CN109508891A - A kind of energy-accumulating power station synthetic performance evaluation method and apparatus - Google Patents
A kind of energy-accumulating power station synthetic performance evaluation method and apparatus Download PDFInfo
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Abstract
The present invention provides a kind of energy-accumulating power station synthetic performance evaluation method and apparatus, each evaluation index value in the energy-accumulating power station is calculated；The comprehensive score of energy-accumulating power station is determined based on index value and each index weights；Energy-accumulating power station comprehensive performance is assessed based on comprehensive score；Present invention incorporates be lost brought by energy-accumulating power station actual motion, state characteristic, operation characteristic and the economic performance of energy-accumulating power station are comprehensively considered, evaluation structure is accurate, it can reliably reflect power station practical operation situation, and can be used in the energy-accumulating power station of multiple-working mode or different type energy-storage battery, there is general applicability.Technical solution provided by the invention realizes the assessment to energy-accumulating power station comprehensive performance, guarantee the safe and efficient operation of energy-accumulating power station, and promote the security and stability and power quality level of bulk power grid, improves power transmission and transformation ability, increase power supply reliability, renewable energy is promoted to access power grid on a large scale.
Description
Technical field
The present invention relates to technical field of energy storage, and in particular to a kind of energy-accumulating power station synthetic performance evaluation method and apparatus.
Background technique
Since electric energy is not easy the characteristic stored, electric system will face more complicated equilibrium of supply and demand challenge.In addition, with
The phenomenon that rise of generation of electricity by new energy, the Generation Side of electric system will will appear a variety of generation technologies and deposit.Generation of electricity by new energy is general
All over the features such as existing intermittence, unstability the power supply reliability of power grid is reduced.Equally, in the user side of electric system
Load condition becomes increasingly complex, and the probability for the accidents such as unexpected power failure occur is gradually increased.Energy-accumulating power station technology is that solution is above-mentioned
One of effective measures of problem.Traditional water-storage energy-accumulating power station has had decades history, more to its research
Deeply.With the development of the novel energy-storings technology such as battery energy storage, flywheel energy storage, distributed energy storage power station is becoming traditional concentration
Effective supplement of formula energy-storage system.Energy-accumulating power station comprehensive assessment in the prior art only considers that single grid side or user side are answered
With situation, performance evaluation is carried out only for certain a kind of energy-storage battery, assesses the economic performance in power station and the unbonded practical fortune in power station
Brought by row the problems such as loss.Although the prior art is carried out for the energy-accumulating power station under certain AD HOC or application scenarios
Performance Evaluation, but due to only considering to cause assessment result not accurate enough in a certain respect, it not can accurately reflect power station actual motion feelings
Condition.As energy-accumulating power station operating mode in electric power networks and scene are more diversified, above method can not also be applied simultaneously
In multiple-working mode or the energy-accumulating power station of different type energy-storage battery, do not have universality.
Summary of the invention
In order to overcome the shortcomings of that above-mentioned assessment result in the prior art is not accurate enough and not have universality, the present invention is provided
A kind of energy-accumulating power station synthetic performance evaluation method and apparatus calculate each evaluation index value in the energy-accumulating power station；Based on index value
The comprehensive score of energy-accumulating power station is determined with each index weights；Energy-accumulating power station comprehensive performance is assessed based on comprehensive score, is stored up
State characteristic, operation characteristic and economic performance layering building of the energy power station evaluation index system based on each energy-storage units, every layer of packet
It containing multiple evaluation indexes, and is evaluation index setup algorithm formula, the assessment result that the present invention obtains is accurate, and the present invention has
General applicability.
In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme that:
On the one hand, the present invention provides a kind of energy-accumulating power station synthetic performance evaluation method, comprising:
Each energy-storage units numerical value in evaluated energy-accumulating power station based on evaluation index system and acquisition, by preset
Each evaluation index calculation formula calculates each evaluation index value in the energy-accumulating power station in the evaluation system；
The comprehensive score of energy-accumulating power station is determined based on the index value and each index weights；
Energy-accumulating power station comprehensive performance is assessed based on the comprehensive score；
State characteristic, operation characteristic and economic performance of the energy-accumulating power station evaluation index system based on each energy-storage units point
Layer building, every layer includes multiple evaluation indexes, and is evaluation index setup algorithm formula.
The building of the energy-accumulating power station evaluation index system includes:
State characteristic, operation characteristic and economic performance are set as first layer evaluation index, and referred to based on the first layer
Mark building lower layer's index；For lower layer's target setting calculation formula.
It is described that lower layer's index is constructed based on the first layer index, comprising:
Based on the state characteristic, the corresponding two layers of assessment of the state characteristic is constructed as evaluation index using real-time characteristic and is referred to
Mark；Based on the operation characteristic, to operate normally loss objective, different energy-storage battery difference indexes and different working modes difference
Index is that evaluation index constructs the corresponding two layers of evaluation index of the operation characteristic；Based on the economic performance, with energy-accumulating power station
Income, benefit and rate of return on investment be that evaluation index constructs the corresponding two layers of evaluation index of the economic performance.
It is that assessment refers to energy-storage units consistency, maximum power capability and maximum capacity ability based on the real-time characteristic
Mark constructs the corresponding three layers of evaluation index of the real-time characteristic；Based on the normal operation loss objective, decayed with consistency fast
Rate, power attenuation rate, energy attenuation rate, energy-accumulating power station failure rate and efficiency are that evaluation index constructs the normal operation damage
Consume the corresponding three layers of evaluation index of index；Based on different energy-storage battery difference indexes, with plumbic acid and charging and discharging lithium battery efficiency, complete
Vanadium flow battery efficiency for charge-discharge and sodium-sulphur battery efficiency for charge-discharge are that the evaluation index building different energy-storage battery differences refer to
Mark corresponding three layers of evaluation index；It is to comment with relative depature standard error and response rate based on different working modes difference index
Estimate index and constructs the corresponding three layers of evaluation index of the different working modes difference index；Benefit based on energy-accumulating power station, to subtract
It the benefit of few network loss and reduces the benefit of network capacity and constructs the corresponding three layers of assessment of the benefit of the energy-accumulating power station for evaluation index and refer to
Mark.
It is described that lower layer's index is constructed based on the first layer index, comprising:
Based on energy-storage units consistency, constructed using the temperature consistency after full charge pressure consistency and circulation as evaluation index
The corresponding four layers of evaluation index of the energy-storage units consistency；Based on maximum power capability, put with maximum charge power and maximum
Electrical power is that evaluation index constructs the corresponding four layers of evaluation index of the maximum power capability；Based on ceiling capacity ability, with most
Big discharge energy and maximum charge energy are that evaluation index constructs the corresponding four layers of evaluation index of the ceiling capacity ability；It is based on
Consistency rate of decay, using the temperature consistency rate of decay after full charge pressure consistency rate of decay and circulation as evaluation index
Construct the corresponding four layers of evaluation index of the consistency rate of decay；Based on power attenuation rate, decayed with maximum charge power
Rate and maximum discharge power rate of decay are that evaluation index constructs the corresponding four layers of evaluation index of the power attenuation rate；Base
In energy attenuation rate, using maximum charge energy attenuation rate and maximum discharge energy rate of decay as described in evaluation index building
The corresponding four layers of evaluation index of energy attenuation rate；Efficiency based on energy-accumulating power station, using energy-accumulating power station power consumption rate as evaluation index
Construct the corresponding four layers of evaluation index of efficiency of the energy-accumulating power station；Based on relative depature standard error, with the deviation of peak regulation mode
Standard error, new energy receive mode to deviate standard error and peak load shifting mode deviation standard error for evaluation index building institute
State the corresponding four layers of evaluation index of relative depature standard error；Based on response rate, mould is received with peak regulation mode response rate, new energy
Formula response rate and peak load shifting mode response rate are that evaluation index constructs the corresponding four layers of evaluation index of the response rate.
The full charge pressure consistency determines as the following formula:In formula, RSDUCompletely to fill
Voltage consistency, L are the quantity of energy-storage units in energy-accumulating power station, and J is the quantity of battery pack in energy-storage units；Vi,jFor energy-storage units i
In j-th of battery pack full charge pressure, λiFor the weight of energy-storage units i, the λiIt determines as the following formula:Formula
In,For the specified charge power of energy-accumulating power station,For the nominal discharge power of energy-accumulating power station,For energy-storage units i's
Specified charge power,For the nominal discharge power of energy-storage units i；
Temperature consistency after the circulation determines as the following formula:In formula, RSDTFor
Temperature consistency after circulation, Ti,jFor the temperature of j-th of battery pack in energy-storage units i.
The full charge pressure consistency rate of decay determines as the following formula:In formula, RODRSD,U
Consistency rate of decay, RSD ' are pressed for full chargeUConsistency nominal value is pressed for full charge, t is energy-accumulating power station synthetic performance evaluation
Period；
Temperature consistency rate of decay after the circulation determines as the following formula:In formula,
RODRSD,TFor the temperature consistency rate of decay after circulation, RSDT' for circulation after temperature consistency nominal value；
The maximum charge power rate of decay determines as the following formula:In formula, RODP,chgFor most
Big charge power rate of decay, Pchg,maxFor the maximum charge power of energy-accumulating power station；
The maximum discharge power rate of decay determines as the following formula:In formula, RODP,disFor maximum
Discharge power rate of decay, Pdis,maxFor the maximum discharge power of energy-accumulating power station；
The maximum charge energy attenuation rate determines as the following formula:In formula, RODE,chgFor most
Big rechargeable energy rate of decay, Echg,maxFor the maximum charge energy of energy-accumulating power station,For the specified charging energy of energy-accumulating power station
Amount；
The maximum discharge energy rate of decay determines as the following formula:In formula, RODE,disFor maximum
Discharge energy rate of decay, Edis,maxFor the maximum discharge energy of energy-accumulating power station,For the nominal discharge energy of energy-accumulating power station.
The plumbic acid determines as the following formula with charging and discharging lithium battery efficiency:In formula, ηbat1For lead
Acid and charging and discharging lithium battery efficiency, Ebat,disFor total discharge capacity of energy-accumulating power station in assessment cycle, Ebat,chgTo be stored up in assessment cycle
Total charge volume in energy power station；
The all-vanadium flow battery efficiency for charge-discharge determines as the following formula:In formula,
ηbat2For all-vanadium flow battery efficiency for charge-discharge, Wbat,disFor in assessment cycle in energy-accumulating power station discharge process ancillary equipment damage
Consumption, Wbat,chgFor in assessment cycle in energy-accumulating power station charging process ancillary equipment loss；
The sodium-sulphur battery efficiency for charge-discharge determines as the following formula:In formula, ηbat3For
Sodium-sulphur battery efficiency for charge-discharge, Hbat,disBy energy-accumulating power station in assessment cycle, heating equipment consumes electricity during discharge,
Hbat,chgBy energy-accumulating power station in assessment cycle, heating equipment consumes electricity during the charging process.
The peak regulation mode deviates standard error and determines as the following formula:Formula
In, RSDpeakDeviate standard error, N for peak regulation modepeakThe total degree of peak regulation mode is participated in for energy-accumulating power station in assessment cycle,
Epeak,nFor the actual discharge electricity of energy-accumulating power station under n-th peak regulation mode,For the reality of energy-accumulating power station under all peak regulation modes
Border discharge electricity amount mean value；
The new energy receives mode deviation standard error to determine as the following formula:
In formula, RSDvallMode is received to deviate standard error, N for new energyvallNew energy is participated in for energy-accumulating power station in assessment cycle to receive
The total degree of mode, Evall,kThe practical charge capacity of energy-accumulating power station under mode is received for kth time new energy,It is all new
The energy receives the practical charge capacity mean value of energy-accumulating power station under mode；
The peak load shifting mode deviates standard error and determines as the following formula:
In formula, RSDwaveDeviate standard error, N for peak load shifting modewavePeak load shifting mode is participated in for energy-accumulating power station in assessment cycle
Total degree, twave,mFor the running time of energy-accumulating power station under the m times peak load shifting mode,For all peak load shifting moulds
The running time mean value of energy-accumulating power station under formula；
The peak regulation mode response rate determines as the following formula:In formula, θpeakFor peak regulation mode
Response rate, Nplan,peakFor peak regulation task total degree；
The new energy receives mode response rate to determine as the following formula:In formula, θvollFor new energy
Receive mode response rate, N in sourceplan,vallTask total degree is received for new energy；
The peak load shifting mode response rate determines as the following formula:In formula, θwaveFor peak clipping
Valley-fill mode response rate, Nplan,waveFor peak load shifting task total degree.
The benefit for reducing network loss determines as the following formula: Bloss=Δ Ploss,chg∑tLVlow+ΔPloss,dis∑tHVhigh；Formula
In, BlossFor the benefit for reducing network loss, tHFor the discharge time of peak of power consumption stage energy-accumulating power station, tLFor the storage of low power consumption stage
The charging time in energy power station, VhighFor the electricity price in peak of power consumption stage, VlowFor the electricity price in low power consumption stage, Δ Ploss,chgFor
The network loss of power grid reduction, Δ P when energy-accumulating power station chargesloss,disThe network loss of power grid reduction when discharging for energy-accumulating power station；
The benefit for reducing network capacity determines as the following formula: Bcap=Ccus×max{Pplan}；In formula, BcapTo reduce network capacity
Benefit, CcusFor the unit price of region distribution system, PplanFor the planned dispatching load maximum value for dispatching system.
The comprehensive score that energy-accumulating power station is determined based on the index value and each index weights, comprising: determine as the following formula
The comprehensive score of energy-accumulating power station:In formula, S is the comprehensive score of energy-accumulating power station；khFor h-th evaluation index
Weight uses analytic hierarchy process (AHP) to determine；FhFor the score of h-th of evaluation index.The FhIt is determined by following procedure:
1) temperature consistency after evaluation index is full charge pressure consistency, circulation, full charge press consistency decaying speed
Temperature consistency rate of decay, maximum charge power rate of decay, maximum discharge power rate of decay, maximum are filled after rate, circulation
Electric flux rate of decay, maximum discharge energy rate of decay, energy-accumulating power station failure rate, energy-accumulating power station power consumption rate, peak regulation mode are inclined
When receiving mode to deviate standard error or peak load shifting mode deviation standard error from standard error, new energy, Fh=100-x, x
For the index value of evaluation index；
2) when evaluation index is maximum charge power, maximum discharge power, maximum charge energy, maximum discharge energy, lead
Acid and charging and discharging lithium battery efficiency, all-vanadium flow battery efficiency for charge-discharge, sodium-sulphur battery efficiency for charge-discharge, peak regulation mode response
When rate, new energy receive mode response rate or peak load shifting mode response rate, Fh=x；
3) when evaluation index is the income of energy-accumulating power station,
4) when evaluation index is the benefit of energy-accumulating power station,Wherein B is energy storage electricity
The benefit stood, and B=Bloss+Bcap；
5) when evaluation index is the rate of return on investment of energy-accumulating power station,
It is described that energy-accumulating power station comprehensive performance is assessed based on the comprehensive score, comprising:
As S >=f1When, the energy-accumulating power station comprehensive performance is excellent；Work as f2≤ S < f1When, the energy-accumulating power station comprehensive performance
It is good；Work as f3≤ S < f2When, the energy-accumulating power station comprehensive performance is medium；As S < f3When, the energy-accumulating power station comprehensive performance is
Difference；Wherein, f1、f2、f3For comprehensive score threshold value, and f1> f2> f3。
On the other hand, the present invention also provides a kind of energy-accumulating power station synthetic performance evaluation devices, comprising:
Index value determining module, for each energy storage list in the evaluated energy-accumulating power station based on evaluation index system and acquisition
First numerical value, by respectively assessment refers in evaluation index calculation formula each in the preset evaluation system calculating energy-accumulating power station
Scale value；
Comprehensive score determining module, for determining the comprehensive of energy-accumulating power station based on the index value and each index weights
Point；
Evaluation module, for being assessed based on the comprehensive score energy-accumulating power station comprehensive performance；
State characteristic, operation characteristic and economic performance of the energy-accumulating power station evaluation index system based on each energy-storage units point
Layer building, every layer includes multiple evaluation indexes, and is evaluation index setup algorithm formula.
Compared with the immediate prior art, technical solution provided by the invention is had the advantages that
In energy-accumulating power station synthetic performance evaluation method provided by the invention, based on evaluation index system and acquire evaluated
Each energy-storage units numerical value in energy-accumulating power station calculates institute by evaluation index calculation formula each in the preset evaluation system
State each evaluation index value in energy-accumulating power station；The comprehensive score of energy-accumulating power station is determined based on the index value and each index weights；Base
Energy-accumulating power station comprehensive performance is assessed in the comprehensive score；The energy-accumulating power station evaluation index system is based on each energy storage list
State characteristic, operation characteristic and the economic performance layering building of member, every layer includes multiple evaluation indexes, and sets for evaluation index
Calculation formula, the present invention have comprehensively considered state characteristic, operation characteristic and the economic performance of energy-accumulating power station, can reliably reflect electricity
It stands practical operation situation, and can be used in the energy-accumulating power station of multiple types energy-storage battery, and obtained assessment result is accurate；
Energy-accumulating power station synthetic performance evaluation device provided by the invention includes that index value determining module, comprehensive score determine mould
Block and evaluation module, index value determining module, for each in the evaluated energy-accumulating power station based on evaluation index system and acquisition
Energy-storage units numerical value is calculated each in the energy-accumulating power station by evaluation index calculation formula each in the preset evaluation system
Evaluation index value；
Comprehensive score determining module, for determining the comprehensive of energy-accumulating power station based on the index value and each index weights
Point；Evaluation module, for being assessed based on the comprehensive score energy-accumulating power station comprehensive performance；The energy-accumulating power station assessment refers to
State characteristic, operation characteristic and economic performance layering building of the mark system based on each energy-storage units, every layer refers to comprising multiple assessments
Mark, and be evaluation index setup algorithm formula；Obtained assessment result is accurate, and the present invention has general applicability；
Present invention incorporates being lost brought by energy-accumulating power station actual motion, the shape of energy-accumulating power station has been comprehensively considered
Step response, operation characteristic and economic performance can reliably reflect power station practical operation situation, and can be used in multiple-working mode
Or the energy-accumulating power station of different type energy-storage battery；
Technical solution provided by the invention realizes the assessment to energy-accumulating power station comprehensive performance, has general applicability；It can protect
The safe and efficient operation of energy-accumulating power station is demonstrate,proved, and promotes the security and stability and power quality level of bulk power grid, improves power transmission and transformation energy
Power increases power supply reliability, and renewable energy is promoted to access power grid on a large scale.
Detailed description of the invention
Fig. 1 is energy-accumulating power station synthetic performance evaluation method flow diagram in the embodiment of the present invention；
Fig. 2 is energy-accumulating power station evaluation index system structure chart in the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
The embodiment of the present invention 1 provides a kind of energy-accumulating power station synthetic performance evaluation method, specific flow chart as shown in Figure 1,
Detailed process is as follows:
S101: each energy-storage units numerical value in the evaluated energy-accumulating power station based on evaluation index system and acquisition, by preparatory
Each evaluation index calculation formula calculates each evaluation index value in energy-accumulating power station in the evaluation system of setting；
S102: the comprehensive score of energy-accumulating power station is determined based on index value and each index weights；
S103: energy-accumulating power station comprehensive performance is assessed based on comprehensive score；
In view of to power station integrality efficiency, needing two aspects of real-time capacity and accumulation working condition to power station
The ability to work in power station is evaluated, and wherein each aspect will cover charging and discharging capabilities, practical work including power station
Make multiple sub- examination angles such as time.Secondly, the assessment for energy-accumulating power station comprehensive performance, not only needs to consider the current of power station
State status, it is also necessary to the interim service ability in the period be evaluated at one to it and analyzed and considered.Its range of value
Comprising the versatility index being made of items such as performance degradation rate, system failure rate and efficiency, while also will be comprising by inhomogeneity
The battery otherness index that type battery behavior is determined, it is different from lead-acid battery and lithium ion battery, calculating efficiency for charge-discharge
When due to all-vanadium flow battery and sodium-sulphur battery operation characteristic, need to consider mechanical pump and heating device bring energy
Loss.Again, the column of evaluation should be also included in by the determined pattern differentials index of different working modes.It is common for energy-accumulating power station
Operating mode: peak load shifting, peak regulation, new energy consumption, Three models have nothing in common with each other for the demand of energy-accumulating power station, peak load shifting
Mode lays particular emphasis on energy-accumulating power station running time, and new energy consumption mode lays particular emphasis on the practical charging electricity received of energy-accumulating power station
Amount, peak regulation mode lay particular emphasis on energy-accumulating power station actual discharge electricity.In order to measure the working condition of different mode, propose relatively partially
Task performance from two kinds of indexs of standard error and response rate to evaluate different working modes.Relative depature standard error
Index can reflect various operating modes and respond performance to the task amount of single scheduler task.Response rate then can be preferably
Reflect energy-accumulating power station in evaluation cycle to the response situation of scheduler task.In addition, the economic index of power station operation is also one
In terms of a important evaluation, economy brought by rate of return on investment situation and power station including power station, it is social also all will be by
It is included in energy-accumulating power station evaluation index system.
The building of energy-accumulating power station evaluation index system includes:
State characteristic, operation characteristic and economic performance are set as first layer evaluation index, and are based on first layer index structure
Build lower layer's index；It and is lower layer's target setting calculation formula.
Energy-accumulating power station evaluation index system is as shown in Fig. 2, construct lower layer's index based on first layer index, comprising:
Based on state characteristic, the corresponding two layers of evaluation index of state characteristic is constructed by evaluation index of real-time characteristic；
It is poor to operate normally loss objective, different energy-storage battery difference indexes and different working modes based on operation characteristic
Different index is that evaluation index constructs the corresponding two layers of evaluation index of operation characteristic；
Based on economic performance, economic performance is constructed by evaluation index of the income of energy-accumulating power station, benefit and rate of return on investment
Corresponding two layers of evaluation index.
Based on real-time characteristic, using energy-storage units consistency, maximum power capability and maximum capacity ability as evaluation index structure
Build the corresponding three layers of evaluation index of real-time characteristic；
Based on loss objective is operated normally, with consistency rate of decay, power attenuation rate, energy attenuation rate, energy storage
Power failure rate and efficiency are that evaluation index building operates normally the corresponding three layers of evaluation index of loss objective；
Based on different energy-storage battery difference indexes, with plumbic acid and charging and discharging lithium battery efficiency, all-vanadium flow battery charge and discharge
Efficiency and sodium-sulphur battery efficiency for charge-discharge are the corresponding three layers of evaluation index of the different energy-storage battery difference indexes of evaluation index building；
Based on different working modes difference index, constructed using relative depature standard error and response rate as evaluation index different
The corresponding three layers of evaluation index of operating mode difference index；
Benefit based on energy-accumulating power station constructs energy storage as evaluation index using the benefit for reducing network loss and the benefit for reducing network capacity
The corresponding three layers of evaluation index of the benefit in power station.
Based on energy-storage units consistency, constructed using the temperature consistency after full charge pressure consistency and circulation as evaluation index
The corresponding four layers of evaluation index of energy-storage units consistency；
Based on maximum power capability, maximum power energy is constructed using maximum charge power and maximum discharge power as evaluation index
The corresponding four layers of evaluation index of power；
Based on ceiling capacity ability, ceiling capacity energy is constructed using maximum discharge energy and maximum charge energy as evaluation index
The corresponding four layers of evaluation index of power；
Based on consistency rate of decay, decayed with the temperature consistency after full charge pressure consistency rate of decay and circulation fast
Rate is that evaluation index constructs the corresponding four layers of evaluation index of consistency rate of decay；
It is that assessment refers to maximum charge power rate of decay and maximum discharge power rate of decay based on power attenuation rate
The corresponding four layers of evaluation index of mark building power attenuation rate；
It is that assessment refers to maximum charge energy attenuation rate and maximum discharge energy rate of decay based on energy attenuation rate
The corresponding four layers of evaluation index of mark building energy attenuation rate；
Efficiency based on energy-accumulating power station, it is corresponding as the efficiency of evaluation index building energy-accumulating power station using energy-accumulating power station power consumption rate
Four layers of evaluation index；
Based on relative depature standard error, standard error is deviateed with peak regulation mode, new energy receives mode to deviate standard error
It is the corresponding four layers of evaluation index of evaluation index building relative depature standard error that difference and peak load shifting mode, which deviate standard error,；
Based on response rate, mode response rate and peak load shifting mode response rate are received with peak regulation mode response rate, new energy
The corresponding four layers of evaluation index of response rate is constructed for evaluation index.
The determination process of evaluation index in above-mentioned evaluation index system is specific as follows:
Full charge pressure consistency determines as the following formula:In formula, RSDUFor full charge pressure
Consistency, L are the quantity of energy-storage units in energy-accumulating power station, and J is the quantity of battery pack in energy-storage units；Vi,jFor in energy-storage units i
The full charge pressure of j-th of battery pack, λiFor the weight of energy-storage units i, λiIt determines as the following formula:In formula,
For the specified charge power of energy-accumulating power station,The nominal discharge power of energy-accumulating power station,For the specified charging of energy-storage units i
Power,For the nominal discharge power of energy-storage units i；
Temperature consistency after circulation determines as the following formula:In formula, RSDTFor circulation
Temperature consistency afterwards, Ti,jFor the temperature of j-th of battery pack in energy-storage units i；
Maximum charge power, maximum discharge power, maximum discharge energy, maximum charge energy pass through the electricity in energy-accumulating power station
The battery management system or monitoring system stood obtain.
Full charge pressure consistency rate of decay determines as the following formula:In formula, RODRSD,UIt is full
Charging voltage consistency rate of decay, RSD 'UConsistency nominal value is pressed for full charge, t is the energy-accumulating power station synthetic performance evaluation period；
Temperature consistency rate of decay after circulation determines as the following formula:In formula, RODRSD,TFor
Temperature consistency rate of decay after circulation, RSDT' for circulation after temperature consistency nominal value；
Maximum charge power rate of decay determines as the following formula:In formula, RODP,chgIt is filled for maximum
Electrical power rate of decay, Pchg,maxFor the maximum charge power of energy-accumulating power station；
Maximum discharge power rate of decay determines as the following formula:In formula, RODP,disFor maximum electric discharge
Power attenuation rate, Pdis,maxFor the maximum discharge power of energy-accumulating power station；
Maximum charge energy attenuation rate determines as the following formula:In formula, RODE,chgIt is filled for maximum
Electric flux rate of decay, Echg,maxFor the maximum charge energy of energy-accumulating power station,For the specified rechargeable energy of energy-accumulating power station；
Maximum discharge energy rate of decay determines as the following formula:In formula, RODE,disIt is put for maximum
Electric flux rate of decay, Edis,maxFor the maximum discharge energy of energy-accumulating power station,For the nominal discharge energy of energy-accumulating power station；
Energy-accumulating power station failure rate determines as the following formula:In formula, θerrFor energy-accumulating power station failure rate, NerrFor
The number of stoppages of energy-accumulating power station in assessment cycle, N are the real work number of energy-accumulating power station in assessment cycle；
Energy-accumulating power station power consumption rate determines as the following formula:In formula, ηsttFor energy-accumulating power station power consumption rate, Estt
For the station electricity consumption of energy-accumulating power station in assessment cycle, EoffFor the off line electricity of energy-accumulating power station in assessment cycle.
Plumbic acid determines as the following formula with charging and discharging lithium battery efficiency:In formula, ηbat1For plumbic acid and lithium
Battery efficiency, Ebat,disFor total discharge capacity of energy-accumulating power station in assessment cycle, Ebat,chgFor energy-accumulating power station in assessment cycle
Total charge volume；
All-vanadium flow battery efficiency for charge-discharge determines as the following formula:In formula, ηbat2For
All-vanadium flow battery efficiency for charge-discharge, Wbat,disFor in assessment cycle in energy-accumulating power station discharge process ancillary equipment loss,
Wbat,chgFor in assessment cycle in energy-accumulating power station charging process ancillary equipment loss；
Sodium-sulphur battery efficiency for charge-discharge determines as the following formula:In formula, ηbat3For sodium sulphur
Battery efficiency, Hbat,disBy energy-accumulating power station in assessment cycle, heating equipment consumes electricity, H during dischargebat,chg
By energy-accumulating power station in assessment cycle, heating equipment consumes electricity during the charging process.
Peak regulation mode deviates standard error and determines as the following formula:In formula,
RSDpeakDeviate standard error, N for peak regulation modepeakThe total degree of peak regulation mode is participated in for energy-accumulating power station in assessment cycle,
Epeak,nFor the actual discharge electricity of energy-accumulating power station under n-th peak regulation mode,For the reality of energy-accumulating power station under all peak regulation modes
Border discharge electricity amount mean value；
New energy receives mode deviation standard error to determine as the following formula:Formula
In, RSDvallMode is received to deviate standard error, N for new energyvallNew energy, which is participated in, for energy-accumulating power station in assessment cycle receives mould
The total degree of formula, Evall,kThe practical charge capacity of energy-accumulating power station under mode is received for kth time new energy,For all new energy
Receive the practical charge capacity mean value of energy-accumulating power station under mode in source；
Peak load shifting mode deviates standard error and determines as the following formula:Formula
In, RSDwaveDeviate standard error, N for peak load shifting modewavePeak load shifting mode is participated in for energy-accumulating power station in assessment cycle
Total degree, twave,mFor the running time of energy-accumulating power station under the m times peak load shifting mode,For all peak load shifting modes
The running time mean value of lower energy-accumulating power station；
Peak regulation mode response rate determines as the following formula:In formula, θpeakFor peak regulation mode response
Rate, Nplan,peakFor peak regulation task total degree；
New energy receives mode response rate to determine as the following formula:In formula, θvollFor new energy suction
Receive mode response rate, Nplan,vallTask total degree is received for new energy；
Peak load shifting mode response rate determines as the following formula:In formula, θwaveFor peak load shifting
Mode response rate, Nplan,waveFor peak load shifting task total degree.
The income of energy-accumulating power station determines as the following formula:In formula, RoprEnergy-accumulating power station
Income, tHFor the discharge time of peak of power consumption stage energy-accumulating power station, tLFor the charging time of low power consumption stage energy-accumulating power station,
VhighFor the electricity price in peak of power consumption stage, VlowFor the electricity price in low power consumption stage；
The benefit for reducing network loss determines as the following formula: Bloss=Δ Ploss,chg∑tLVlow+ΔPloss,dis∑tHVhigh；In formula,
BlossFor the benefit for reducing network loss, Δ Ploss,chgThe network loss of power grid reduction, Δ P when charging for energy-accumulating power stationloss,disFor energy storage electricity
Stand electric discharge when power grid reduction network loss；
The benefit for reducing network capacity determines as the following formula: Bcap=Ccus×max{Pplan}；In formula, BcapFor the effect for reducing network capacity
Benefit, CcusFor the unit price of region distribution system, PplanFor the planned dispatching load maximum value for dispatching system；
Rate of return on investment determines as the following formula:In formula, ROI is energy-accumulating power station
Rate of return on investment, ClabFor cost of labor, CEFor the cost of energy of energy-accumulating power station, CPFor the power cost of energy-accumulating power station, CauxFor storage
The cost of mating power equipment, C in energy power stationfixFor the operation expense of energy-accumulating power station；CE、CP、Caux、CfixAs the following formula really
It is fixed:In formula, KEFor energy-accumulating power station
Unit capacity cost,For the storage total capacity of energy-accumulating power station, η is the overall efficiency of energy-accumulating power station, KPFor the list of energy-accumulating power station
Position power cost, KauxFor the unit energy cost of power equipment mating in energy-accumulating power station, KiIt is transported for the unit power of energy-accumulating power station
Row maintenance cost.
In above-mentioned S102, the comprehensive score of energy-accumulating power station is determined based on index value and index weights, is specifically determined as the following formula
The comprehensive score of energy-accumulating power station:In formula, S is the comprehensive score of energy-accumulating power station；khFor h-th evaluation index
Weight uses analytic hierarchy process (AHP) to determine；FhFor the score of h-th of evaluation index, FhIt is determined by following procedure:
1) temperature consistency after evaluation index is full charge pressure consistency, circulation, full charge press consistency decaying speed
Temperature consistency rate of decay, maximum charge power rate of decay, maximum discharge power rate of decay, maximum are filled after rate, circulation
Electric flux rate of decay, maximum discharge energy rate of decay, energy-accumulating power station failure rate, energy-accumulating power station power consumption rate, peak regulation mode are inclined
When receiving mode to deviate standard error or peak load shifting mode deviation standard error from standard error, new energy, Fh=100-x, x
For the index value of evaluation index；
2) when evaluation index is maximum charge power, maximum discharge power, maximum charge energy, maximum discharge energy, lead
Acid and charging and discharging lithium battery efficiency, all-vanadium flow battery efficiency for charge-discharge, sodium-sulphur battery efficiency for charge-discharge, peak regulation mode response
When rate, new energy receive mode response rate or peak load shifting mode response rate, Fh=x；
3) when evaluation index is the income of energy-accumulating power station,
4) when evaluation index is the benefit of energy-accumulating power station,Wherein B is energy storage electricity
The benefit stood, and B=Bloss+Bcap；
5) when evaluation index is the rate of return on investment of energy-accumulating power station,
In above-mentioned S103, energy-accumulating power station comprehensive performance is assessed based on comprehensive score, detailed process is as follows:
As S >=f1When, energy-accumulating power station comprehensive performance is excellent；
Work as f2≤ S < f1When, energy-accumulating power station comprehensive performance is good；
Work as f3≤ S < f2When, energy-accumulating power station comprehensive performance is medium；
As S < f3When, energy-accumulating power station comprehensive performance is poor；
Wherein, f1、f2、f3For comprehensive score threshold value, and f1> f2> f3。
Embodiment 2
Based on the same inventive concept, the embodiment of the present invention 2 also provides a kind of energy-accumulating power station synthetic performance evaluation device, including
Index value determining module, comprehensive score determining module and evaluation module below carry out specifically the function of above-mentioned several modules
It is bright:
Index value determining module, for each energy storage list in the evaluated energy-accumulating power station based on evaluation index system and acquisition
First numerical value calculates each evaluation index in energy-accumulating power station by evaluation index calculation formula each in the preset evaluation system
Value；
Comprehensive score determining module, for determining the comprehensive score of energy-accumulating power station based on index value and each index weights；
Evaluation module, for being assessed based on comprehensive score energy-accumulating power station comprehensive performance；
State characteristic, operation characteristic and economic performance of the energy-accumulating power station evaluation index system based on each energy-storage units are layered structure
It builds, every layer includes multiple evaluation indexes, and is evaluation index setup algorithm formula.
The device that the embodiment of the present invention 2 provides further includes building module, and building module includes:
Construction unit for state characteristic, operation characteristic and economic performance to be set as first layer evaluation index, and is based on
First layer index constructs lower layer's index；
Determination unit, for being lower layer's target setting calculation formula.
Construction unit is specifically used for:
Based on state characteristic, the corresponding two layers of evaluation index of state characteristic is constructed by evaluation index of real-time characteristic；
It is poor to operate normally loss objective, different energy-storage battery difference indexes and different working modes based on operation characteristic
Different index is that evaluation index constructs the corresponding two layers of evaluation index of operation characteristic；
Based on economic performance, economic performance is constructed by evaluation index of the income of energy-accumulating power station, benefit and rate of return on investment
Corresponding two layers of evaluation index.
Construction unit is specifically used for:
Based on real-time characteristic, using energy-storage units consistency, maximum power capability and maximum capacity ability as evaluation index structure
Build the corresponding three layers of evaluation index of real-time characteristic；
Based on loss objective is operated normally, with consistency rate of decay, power attenuation rate, energy attenuation rate, energy storage
Power failure rate and efficiency are that evaluation index building operates normally the corresponding three layers of evaluation index of loss objective；
Based on different energy-storage battery difference indexes, with plumbic acid and charging and discharging lithium battery efficiency, all-vanadium flow battery charge and discharge
Efficiency and sodium-sulphur battery efficiency for charge-discharge are the corresponding three layers of evaluation index of the different energy-storage battery difference indexes of evaluation index building；
Based on different working modes difference index, constructed using relative depature standard error and response rate as evaluation index different
The corresponding three layers of evaluation index of operating mode difference index；
Benefit based on energy-accumulating power station constructs energy storage as evaluation index using the benefit for reducing network loss and the benefit for reducing network capacity
The corresponding three layers of evaluation index of the benefit in power station.
Construction unit is specifically used for:
Based on energy-storage units consistency, constructed using the temperature consistency after full charge pressure consistency and circulation as evaluation index
The corresponding four layers of evaluation index of energy-storage units consistency；
Based on maximum power capability, maximum power energy is constructed using maximum charge power and maximum discharge power as evaluation index
The corresponding four layers of evaluation index of power；
Based on ceiling capacity ability, ceiling capacity energy is constructed using maximum discharge energy and maximum charge energy as evaluation index
The corresponding four layers of evaluation index of power；
Based on consistency rate of decay, decayed with the temperature consistency after full charge pressure consistency rate of decay and circulation fast
Rate is that evaluation index constructs the corresponding four layers of evaluation index of consistency rate of decay；
It is that assessment refers to maximum charge power rate of decay and maximum discharge power rate of decay based on power attenuation rate
The corresponding four layers of evaluation index of mark building power attenuation rate；
It is that assessment refers to maximum charge energy attenuation rate and maximum discharge energy rate of decay based on energy attenuation rate
The corresponding four layers of evaluation index of mark building energy attenuation rate；
Efficiency based on energy-accumulating power station, it is corresponding as the efficiency of evaluation index building energy-accumulating power station using energy-accumulating power station power consumption rate
Four layers of evaluation index；
Based on relative depature standard error, standard error is deviateed with peak regulation mode, new energy receives mode to deviate standard error
It is the corresponding four layers of evaluation index of evaluation index building relative depature standard error that difference and peak load shifting mode, which deviate standard error,；
Based on response rate, mode response rate and peak load shifting mode response rate are received with peak regulation mode response rate, new energy
The corresponding four layers of evaluation index of response rate is constructed for evaluation index.
Detailed process is as follows for the index value of These parameters value determining module calculating evaluation index:
Determine that full charge presses consistency as the following formula:In formula, RSDUFor full charge pressure
Consistency, L are the quantity of energy-storage units in energy-accumulating power station, and J is the quantity of battery pack in energy-storage units；Vi,jFor in energy-storage units i
The full charge pressure of j-th of battery pack, λiFor the weight of energy-storage units i, λiIt determines as the following formula:In formula,
For the specified charge power of energy-accumulating power station,For the nominal discharge power of energy-accumulating power station,Specified for energy-storage units i is filled
Electrical power,For the nominal discharge power of energy-storage units i；
The temperature consistency after circulation is determined as the following formula:In formula, RSDTFor circulation
Temperature consistency afterwards, Ti,jFor the temperature of j-th of battery pack in energy-storage units i；
Maximum charge power, maximum electric discharge are obtained by the battery management system or monitoring system in the power station in energy-accumulating power station
Power, maximum discharge energy and maximum charge energy.
Determine that full charge presses consistency rate of decay as the following formula:In formula, RODRSD,UIt is full
Charging voltage consistency rate of decay, RSD 'UConsistency nominal value is pressed for full charge, t is the energy-accumulating power station synthetic performance evaluation period；
The temperature consistency rate of decay after circulation is determined as the following formula:In formula, RODRSD,TFor
Temperature consistency rate of decay after circulation, RSDT' for circulation after temperature consistency nominal value；
Maximum charge power rate of decay is determined as the following formula:In formula, RODP,chgIt is filled for maximum
Electrical power rate of decay, Pchg,maxFor the maximum charge power of energy-accumulating power station；
Maximum discharge power rate of decay is determined as the following formula:In formula, RODP,disFor maximum electric discharge
Power attenuation rate, Pdis,maxFor the maximum discharge power of energy-accumulating power station；
Maximum charge energy attenuation rate is determined as the following formula:In formula, RODE,chgIt is filled for maximum
Electric flux rate of decay, Echg,maxFor the maximum charge energy of energy-accumulating power station,For the specified rechargeable energy of energy-accumulating power station；
Maximum discharge energy rate of decay is determined as the following formula:In formula, RODE,disIt is put for maximum
Electric flux rate of decay, Edis,maxFor the maximum discharge energy of energy-accumulating power station,For the nominal discharge energy of energy-accumulating power station；
Energy-accumulating power station failure rate is determined as the following formula:In formula, θerrFor energy-accumulating power station failure rate, NerrFor
The number of stoppages of energy-accumulating power station in assessment cycle, N are the real work number of energy-accumulating power station in assessment cycle；
Energy-accumulating power station power consumption rate is determined as the following formula:In formula, ηsttFor energy-accumulating power station power consumption rate, Estt
For the station electricity consumption of energy-accumulating power station in assessment cycle, EoffFor the off line electricity of energy-accumulating power station in assessment cycle.
Plumbic acid and charging and discharging lithium battery efficiency are determined as the following formula:In formula, ηbat1For plumbic acid and lithium
Battery efficiency, Ebat,disFor total discharge capacity of energy-accumulating power station in assessment cycle, Ebat,chgFor energy-accumulating power station in assessment cycle
Total charge volume；
All-vanadium flow battery efficiency for charge-discharge is determined as the following formula:In formula, ηbat2For
All-vanadium flow battery efficiency for charge-discharge, Wbat,disFor in assessment cycle in energy-accumulating power station discharge process ancillary equipment loss,
Wbat,chgFor in assessment cycle in energy-accumulating power station charging process ancillary equipment loss；
Sodium-sulphur battery efficiency for charge-discharge is determined as the following formula:In formula, ηbat3For sodium sulphur
Battery efficiency, Hbat,disBy energy-accumulating power station in assessment cycle, heating equipment consumes electricity, H during dischargebat,chg
By energy-accumulating power station in assessment cycle, heating equipment consumes electricity during the charging process.
Determine that peak regulation mode deviates standard error as the following formula:In formula,
RSDpeakDeviate standard error, N for peak regulation modepeakThe total degree of peak regulation mode is participated in for energy-accumulating power station in assessment cycle,
Epeak,nFor the actual discharge electricity of energy-accumulating power station under n-th peak regulation mode,For the reality of energy-accumulating power station under all peak regulation modes
Border discharge electricity amount mean value；
Determine that new energy receives mode to deviate standard error as the following formula:Formula
In, RSDvallMode is received to deviate standard error, N for new energyvallNew energy, which is participated in, for energy-accumulating power station in assessment cycle receives mould
The total degree of formula, Evall,kThe practical charge capacity of energy-accumulating power station under mode is received for kth time new energy,For all new energy
Receive the practical charge capacity mean value of energy-accumulating power station under mode in source；
Determine that peak load shifting mode deviates standard error as the following formula:Formula
In, RSDwaveDeviate standard error, N for peak load shifting modewavePeak load shifting mode is participated in for energy-accumulating power station in assessment cycle
Total degree, twave,mFor the running time of energy-accumulating power station under the m times peak load shifting mode,For all peak load shifting modes
The running time mean value of lower energy-accumulating power station；
Peak regulation mode response rate is determined as the following formula:In formula, θpeakFor peak regulation mode response
Rate, Nplan,peakFor peak regulation task total degree；
Determine that new energy receives mode response rate as the following formula:In formula, θvollFor new energy suction
Receive mode response rate, Nplan,vallTask total degree is received for new energy；
Peak load shifting mode response rate is determined as the following formula:In formula, θwaveFor peak load shifting
Mode response rate, Nplan,waveFor peak load shifting task total degree.
The income of energy-accumulating power station is determined as the following formula:In formula, RoprEnergy-accumulating power station
Income, tHFor the discharge time of peak of power consumption stage energy-accumulating power station, tLFor the charging time of low power consumption stage energy-accumulating power station,
VhighFor the electricity price in peak of power consumption stage, VlowFor the electricity price in low power consumption stage；
The benefit for reducing network loss: B is determined as the following formulaloss=Δ Ploss,chg∑tLVlow+ΔPloss,dis∑tHVhigh；In formula,
BlossFor the benefit for reducing network loss, Δ Ploss,chgThe network loss of power grid reduction, Δ P when charging for energy-accumulating power stationloss,disFor energy storage electricity
Stand electric discharge when power grid reduction network loss；
The benefit for reducing network capacity: B is determined as the following formulacap=Ccus×max{Pplan}；In formula, BcapFor the effect for reducing network capacity
Benefit, CcusFor the unit price of region distribution system, PplanFor the planned dispatching load maximum value for dispatching system；
Rate of return on investment is determined as the following formula:In formula, ROI is energy-accumulating power station
Rate of return on investment, ClabFor cost of labor, CEFor the cost of energy of energy-accumulating power station, CPFor the power cost of energy-accumulating power station, CauxFor storage
The cost of mating power equipment, C in energy power stationfixFor the operation expense of energy-accumulating power station；CE、CP、Caux、CfixAs the following formula really
It is fixed:In formula, KEFor energy-accumulating power station
Unit capacity cost,For the storage total capacity of energy-accumulating power station, η is the overall efficiency of energy-accumulating power station, KPFor the unit of energy-accumulating power station
Power cost, KauxFor the unit energy cost of power equipment mating in energy-accumulating power station, KiIt is run for the unit power of energy-accumulating power station
Maintenance cost.
Above-mentioned comprehensive score determining module determines the comprehensive score of energy-accumulating power station as the following formula:In formula, S is
The comprehensive score of energy-accumulating power station；khFor the weight of h-th of evaluation index, analytic hierarchy process (AHP) is used to determine；FhIt is assessed for h-th
The score of index；FhIt is determined by following procedure:
1) temperature consistency after evaluation index is full charge pressure consistency, circulation, full charge press consistency decaying speed
Temperature consistency rate of decay, maximum charge power rate of decay, maximum discharge power rate of decay, maximum are filled after rate, circulation
Electric flux rate of decay, maximum discharge energy rate of decay, energy-accumulating power station failure rate, energy-accumulating power station power consumption rate, peak regulation mode are inclined
When receiving mode to deviate standard error or peak load shifting mode deviation standard error from standard error, new energy, Fh=100-x, x
For the index value of evaluation index；
2) when evaluation index is maximum charge power, maximum discharge power, maximum charge energy, maximum discharge energy, lead
Acid and charging and discharging lithium battery efficiency, all-vanadium flow battery efficiency for charge-discharge, sodium-sulphur battery efficiency for charge-discharge, peak regulation mode response
When rate, new energy receive mode response rate or peak load shifting mode response rate, Fh=x；
3) when evaluation index is the income of energy-accumulating power station,
4) when evaluation index is the benefit of energy-accumulating power station,Wherein B is energy storage electricity
The benefit stood, and B=Bloss+Bcap；
5) when evaluation index is the rate of return on investment of energy-accumulating power station,
Above-mentioned evaluation module is specifically according to the comprehensive performance of following process assessment energy-accumulating power stations:
As S >=f1When, energy-accumulating power station comprehensive performance is excellent；
Work as f2≤ S < f1When, energy-accumulating power station comprehensive performance is good；
Work as f3≤ S < f2When, energy-accumulating power station comprehensive performance is medium；
As S < f3When, energy-accumulating power station comprehensive performance is poor；
Wherein, f1、f2、f3For comprehensive score threshold value, and f1> f2> f3。
Embodiment 3
The embodiment of the present invention 3 is comprehensive to energy-accumulating power station by taking ferric phosphate lithium cell energy-accumulating power station as an example newly can appraisal procedure progress
It illustrates.
S301: each energy-storage units numerical value in the evaluated energy-accumulating power station based on evaluation index system and acquisition, by preparatory
Each evaluation index calculation formula calculates each evaluation index value in energy-accumulating power station in the evaluation system of setting；
S302: the comprehensive score of energy-accumulating power station is determined based on index value and each index weights；
S303: energy-accumulating power station comprehensive performance is assessed based on comprehensive score；
The building of energy-accumulating power station evaluation index system includes:
State characteristic, operation characteristic and economic performance are set as first layer evaluation index, and are based on first layer index structure
Build lower layer's index；
For lower layer's target setting calculation formula.
Energy-accumulating power station evaluation index system is as shown in Fig. 2, construct lower layer's index based on first layer index, comprising:
Based on state characteristic, the corresponding two layers of evaluation index of state characteristic is constructed by evaluation index of real-time characteristic；
It is poor to operate normally loss objective, different energy-storage battery difference indexes and different working modes based on operation characteristic
Different index is that evaluation index constructs the corresponding two layers of evaluation index of operation characteristic；
Based on economic performance, economic performance is constructed by evaluation index of the income of energy-accumulating power station, benefit and rate of return on investment
Corresponding two layers of evaluation index.
Lower layer's index is constructed based on first layer index, comprising:
Based on real-time characteristic, using energy-storage units consistency, maximum power capability and maximum capacity ability as evaluation index structure
Build the corresponding three layers of evaluation index of real-time characteristic；
Based on loss objective is operated normally, with consistency rate of decay, power attenuation rate, energy attenuation rate, energy storage
Power failure rate and efficiency are that evaluation index building operates normally the corresponding three layers of evaluation index of loss objective；
Based on different energy-storage battery difference indexes, with plumbic acid and charging and discharging lithium battery efficiency, all-vanadium flow battery charge and discharge
Efficiency and sodium-sulphur battery efficiency for charge-discharge are the corresponding three layers of evaluation index of the different energy-storage battery difference indexes of evaluation index building；
Based on different working modes difference index, constructed using relative depature standard error and response rate as evaluation index different
The corresponding three layers of evaluation index of operating mode difference index；
Benefit based on energy-accumulating power station constructs energy storage as evaluation index using the benefit for reducing network loss and the benefit for reducing network capacity
The corresponding three layers of evaluation index of the benefit in power station.
Lower layer's index is constructed based on first layer index, comprising:
Based on energy-storage units consistency, constructed using the temperature consistency after full charge pressure consistency and circulation as evaluation index
The corresponding four layers of evaluation index of energy-storage units consistency；
Based on maximum power capability, maximum power energy is constructed using maximum charge power and maximum discharge power as evaluation index
The corresponding four layers of evaluation index of power；
Based on ceiling capacity ability, ceiling capacity energy is constructed using maximum discharge energy and maximum charge energy as evaluation index
The corresponding four layers of evaluation index of power；
Based on consistency rate of decay, decayed with the temperature consistency after full charge pressure consistency rate of decay and circulation fast
Rate is that evaluation index constructs the corresponding four layers of evaluation index of consistency rate of decay；
It is that assessment refers to maximum charge power rate of decay and maximum discharge power rate of decay based on power attenuation rate
The corresponding four layers of evaluation index of mark building power attenuation rate；
It is that assessment refers to maximum charge energy attenuation rate and maximum discharge energy rate of decay based on energy attenuation rate
The corresponding four layers of evaluation index of mark building energy attenuation rate；
Efficiency based on energy-accumulating power station, it is corresponding as the efficiency of evaluation index building energy-accumulating power station using energy-accumulating power station power consumption rate
Four layers of evaluation index；
Based on relative depature standard error, standard error is deviateed with peak regulation mode, new energy receives mode to deviate standard error
It is the corresponding four layers of evaluation index of evaluation index building relative depature standard error that difference and peak load shifting mode, which deviate standard error,；
Based on response rate, mode response rate and peak load shifting mode response rate are received with peak regulation mode response rate, new energy
The corresponding four layers of evaluation index of response rate is constructed for evaluation index.
The determination process of evaluation index in above-mentioned evaluation index system is specific as follows:
Full charge pressure consistency determines as the following formula:In formula, RSDUFor full charge pressure
Consistency, L are the quantity of energy-storage units in energy-accumulating power station, and J is the quantity of battery pack in energy-storage units；Vi,jFor in energy-storage units i
The full charge pressure of j-th of battery pack, λiFor the weight of energy-storage units i, λiIt determines as the following formula:In formula,
For the specified charge power of energy-accumulating power station,For the nominal discharge power of energy-accumulating power station,Specified for energy-storage units i is filled
Electrical power,For the nominal discharge power of energy-storage units i；
Temperature consistency after circulation determines as the following formula:In formula, RSDTFor circulation
Temperature consistency afterwards, Ti,jFor the temperature of j-th of battery pack in energy-storage units i；
Maximum charge power, maximum discharge power, maximum discharge energy, maximum charge energy pass through the electricity in energy-accumulating power station
The battery management system or monitoring system stood obtain.
Full charge pressure consistency rate of decay determines as the following formula:In formula, RODRSD,UIt is full
Charging voltage consistency rate of decay, RSD 'UConsistency nominal value is pressed for full charge, t is the energy-accumulating power station synthetic performance evaluation period；
Temperature consistency rate of decay after circulation determines as the following formula:In formula, RODRSD,TFor
Temperature consistency rate of decay after circulation, RSDT' for circulation after temperature consistency nominal value；
Maximum charge power rate of decay determines as the following formula:In formula, RODP,chgIt is filled for maximum
Electrical power rate of decay, Pchg,maxFor the maximum charge power of energy-accumulating power station；
Maximum discharge power rate of decay determines as the following formula:In formula, RODP,disFor maximum electric discharge
Power attenuation rate, Pdis,maxFor the maximum discharge power of energy-accumulating power station；
Maximum charge energy attenuation rate determines as the following formula:In formula, RODE,chgIt is filled for maximum
Electric flux rate of decay, Echg,maxFor the maximum charge energy of energy-accumulating power station,For the specified rechargeable energy of energy-accumulating power station；
Maximum discharge energy rate of decay determines as the following formula:In formula, RODE,disIt is put for maximum
Electric flux rate of decay, Edis,maxFor the maximum discharge energy of energy-accumulating power station,For the nominal discharge energy of energy-accumulating power station；
Energy-accumulating power station failure rate determines as the following formula:In formula, θerrFor energy-accumulating power station failure rate, NerrFor
The number of stoppages of energy-accumulating power station in assessment cycle, N are the real work number of energy-accumulating power station in assessment cycle；
Energy-accumulating power station power consumption rate determines as the following formula:In formula, ηsttFor energy-accumulating power station power consumption rate, Estt
For the station electricity consumption of energy-accumulating power station in assessment cycle, EoffFor the off line electricity of energy-accumulating power station in assessment cycle.
Plumbic acid determines as the following formula with charging and discharging lithium battery efficiency:In formula, ηbat1For plumbic acid and lithium
Battery efficiency, Ebat,disFor total discharge capacity of energy-accumulating power station in assessment cycle, Ebat,chgFor energy-accumulating power station in assessment cycle
Total charge volume；
All-vanadium flow battery efficiency for charge-discharge determines as the following formula:In formula, ηbat2For
All-vanadium flow battery efficiency for charge-discharge, Wbat,disFor in assessment cycle in energy-accumulating power station discharge process ancillary equipment loss,
Wbat,chgFor in assessment cycle in energy-accumulating power station charging process ancillary equipment loss；
Sodium-sulphur battery efficiency for charge-discharge determines as the following formula:In formula, ηbat3For sodium sulphur
Battery efficiency, Hbat,disBy energy-accumulating power station in assessment cycle, heating equipment consumes electricity, H during dischargebat,chg
By energy-accumulating power station in assessment cycle, heating equipment consumes electricity during the charging process.
Peak regulation mode deviates standard error and determines as the following formula:In formula,
RSDpeakDeviate standard error, N for peak regulation modepeakThe total degree of peak regulation mode is participated in for energy-accumulating power station in assessment cycle,
Epeak,nFor the actual discharge electricity of energy-accumulating power station under n-th peak regulation mode,For the reality of energy-accumulating power station under all peak regulation modes
Border discharge electricity amount mean value；
New energy receives mode deviation standard error to determine as the following formula:Formula
In, RSDvallMode is received to deviate standard error, N for new energyvallNew energy, which is participated in, for energy-accumulating power station in assessment cycle receives mould
The total degree of formula, Evall,kThe practical charge capacity of energy-accumulating power station under mode is received for kth time new energy,For all new energy
Receive the practical charge capacity mean value of energy-accumulating power station under mode in source；
Peak load shifting mode deviates standard error and determines as the following formula:Formula
In, RSDwaveDeviate standard error, N for peak load shifting modewavePeak load shifting mode is participated in for energy-accumulating power station in assessment cycle
Total degree, twave,mFor the running time of energy-accumulating power station under the m times peak load shifting mode,For all peak load shifting modes
The running time mean value of lower energy-accumulating power station；
Peak regulation mode response rate determines as the following formula:In formula, θpeakFor peak regulation mode response
Rate, Nplan,peakFor peak regulation task total degree；
New energy receives mode response rate to determine as the following formula:In formula, θvollFor new energy suction
Receive mode response rate, Nplan,vallTask total degree is received for new energy；
Peak load shifting mode response rate determines as the following formula:In formula, θwaveFor peak load shifting
Mode response rate, Nplan,waveFor peak load shifting task total degree.
The income of energy-accumulating power station determines as the following formula:In formula, RoprEnergy-accumulating power station
Income, tHFor the discharge time of peak of power consumption stage energy-accumulating power station, tLFor the charging time of low power consumption stage energy-accumulating power station,
VhighFor the electricity price in peak of power consumption stage, VlowFor the electricity price in low power consumption stage；
The benefit for reducing network loss determines as the following formula: Bloss=Δ Ploss,chg∑tLVlow+ΔPloss,dis∑tHVhigh；In formula,
BlossFor the benefit for reducing network loss, Δ Ploss,chgThe network loss of power grid reduction, Δ P when charging for energy-accumulating power stationloss,disFor energy storage electricity
Stand electric discharge when power grid reduction network loss；
The benefit for reducing network capacity determines as the following formula: Bcap=Ccus×max{Pplan}；In formula, BcapFor the effect for reducing network capacity
Benefit, CcusFor the unit price of region distribution system, PplanFor the planned dispatching load maximum value for dispatching system；
Rate of return on investment determines as the following formula:In formula, ROI is energy-accumulating power station
Rate of return on investment, ClabFor cost of labor, CEFor the cost of energy of energy-accumulating power station, CPFor the power cost of energy-accumulating power station, CauxFor storage
The cost of mating power equipment, C in energy power stationfixFor the operation expense of energy-accumulating power station；CE、CP、Caux、CfixAs the following formula really
It is fixed:In formula, KEFor energy-accumulating power station
Unit capacity cost,For the storage total capacity of energy-accumulating power station, η is the overall efficiency of energy-accumulating power station, KPFor the list of energy-accumulating power station
Position power cost, KauxFor the unit energy cost of power equipment mating in energy-accumulating power station, KiIt is transported for the unit power of energy-accumulating power station
Row maintenance cost.
The index value of finally obtained evaluation index is as shown in table 1:
Table 1
In above-mentioned S102, the comprehensive score of energy-accumulating power station is determined based on index value, specifically determines energy-accumulating power station as the following formula
Comprehensive score:In formula, S is the comprehensive score of energy-accumulating power station；khFor the weight of h-th of evaluation index, adopt
It is determined with analytic hierarchy process (AHP)；FhFor the score of h-th of evaluation index, FhIt is determined by following procedure:
1) temperature consistency after evaluation index is full charge pressure consistency, circulation, full charge press consistency decaying speed
Temperature consistency rate of decay, maximum charge power rate of decay, maximum discharge power rate of decay, maximum are filled after rate, circulation
Electric flux rate of decay, maximum discharge energy rate of decay, energy-accumulating power station failure rate, energy-accumulating power station power consumption rate, peak regulation mode are inclined
When receiving mode to deviate standard error or peak load shifting mode deviation standard error from standard error, new energy, Fh=100-x, x
For the index value of evaluation index；
2) when evaluation index is maximum charge power, maximum discharge power, maximum charge energy, maximum discharge energy, lead
Acid and charging and discharging lithium battery efficiency, all-vanadium flow battery efficiency for charge-discharge, sodium-sulphur battery efficiency for charge-discharge, peak regulation mode response
When rate, new energy receive mode response rate or peak load shifting mode response rate, Fh=x；
3) when evaluation index is the income of energy-accumulating power station,
4) when evaluation index is the benefit of energy-accumulating power station,Wherein B is energy storage electricity
The benefit stood, and B=Bloss+Bcap；
5) when evaluation index is the rate of return on investment of energy-accumulating power station,
The score of finally obtained each evaluation index such as table 2:
Using the weight such as table 3 for the evaluation index that analytic hierarchy process (AHP) determines:
Table 3
By table 2 and table 3, comprehensive score S=70.9 points of obtained energy-accumulating power station.
In above-mentioned S303, energy-accumulating power station comprehensive performance is assessed based on comprehensive score, detailed process is as follows:
As S >=f1When, energy-accumulating power station comprehensive performance is excellent；
Work as f2≤ S < f1When, energy-accumulating power station comprehensive performance is good；
Work as f3≤ S < f2When, energy-accumulating power station comprehensive performance is medium；
As S < f3When, energy-accumulating power station comprehensive performance is poor；
Wherein, f1、f2、f3For comprehensive score threshold value, and f1> f2> f3, take f1=90, f2=80, f3=70, it is known that the storage
The synthetic performance evaluation result in energy power station is medium.
For convenience of description, each section of apparatus described above is divided into various modules with function or unit describes respectively.
Certainly, each module or the function of unit can be realized in same or multiple softwares or hardware when implementing the application.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, institute
The those of ordinary skill in category field can still modify to a specific embodiment of the invention referring to above-described embodiment or
Equivalent replacement, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent replacement
Within bright claims.
Claims (25)
1. a kind of energy-accumulating power station synthetic performance evaluation method characterized by comprising
Each energy-storage units numerical value in evaluated energy-accumulating power station based on evaluation index system and acquisition, by preset described
Each evaluation index calculation formula calculates each evaluation index value in the energy-accumulating power station in evaluation system；
The comprehensive score of energy-accumulating power station is determined based on the index value and each index weights；
Energy-accumulating power station comprehensive performance is assessed based on the comprehensive score；
State characteristic, operation characteristic and economic performance of the energy-accumulating power station evaluation index system based on each energy-storage units are layered structure
It builds, every layer includes multiple evaluation indexes, and is evaluation index setup algorithm formula.
2. energy-accumulating power station synthetic performance evaluation method according to claim 1, which is characterized in that the energy-accumulating power station assessment
The building of index system includes:
State characteristic, operation characteristic and economic performance are set as first layer evaluation index, and are based on the first layer index structure
Build lower layer's index；
For lower layer's target setting calculation formula.
3. energy-accumulating power station synthetic performance evaluation method according to claim 2, which is characterized in that described to be based on described first
Layer index constructs lower layer's index, comprising:
Based on the state characteristic, the corresponding two layers of evaluation index of the state characteristic is constructed by evaluation index of real-time characteristic；
It is poor to operate normally loss objective, different energy-storage battery difference indexes and different working modes based on the operation characteristic
Different index is that evaluation index constructs the corresponding two layers of evaluation index of the operation characteristic；
Based on the economic performance, the economy is constructed by evaluation index of the income of energy-accumulating power station, benefit and rate of return on investment
The corresponding two layers of evaluation index of characteristic.
4. energy-accumulating power station synthetic performance evaluation method according to claim 3, which is characterized in that described to be based on described first
Layer index constructs lower layer's index, comprising:
Based on the real-time characteristic, using energy-storage units consistency, maximum power capability and maximum capacity ability as evaluation index structure
Build the corresponding three layers of evaluation index of the real-time characteristic；
Based on the normal operation loss objective, with consistency rate of decay, power attenuation rate, energy attenuation rate, energy storage
Power failure rate and efficiency are that evaluation index constructs the corresponding three layers of evaluation index of the normal operation loss objective；
Based on different energy-storage battery difference indexes, with plumbic acid and charging and discharging lithium battery efficiency, all-vanadium flow battery efficiency for charge-discharge
It is the corresponding three layers of evaluation index of the evaluation index building different energy-storage battery difference index with sodium-sulphur battery efficiency for charge-discharge；
Based on different working modes difference index, the difference is constructed using relative depature standard error and response rate as evaluation index
The corresponding three layers of evaluation index of operating mode difference index；
Benefit based on energy-accumulating power station constructs the energy storage as evaluation index using the benefit for reducing network loss and the benefit for reducing network capacity
The corresponding three layers of evaluation index of the benefit in power station.
5. energy-accumulating power station synthetic performance evaluation method according to claim 4, which is characterized in that described to be based on described first
Layer index constructs lower layer's index, comprising:
Based on energy-storage units consistency, using the temperature consistency after full charge pressure consistency and circulation as described in evaluation index building
The corresponding four layers of evaluation index of energy-storage units consistency；
Based on maximum power capability, the maximum power energy is constructed using maximum charge power and maximum discharge power as evaluation index
The corresponding four layers of evaluation index of power；
Based on ceiling capacity ability, the ceiling capacity energy is constructed using maximum discharge energy and maximum charge energy as evaluation index
The corresponding four layers of evaluation index of power；
Based on consistency rate of decay, it is with the temperature consistency rate of decay after full charge pressure consistency rate of decay and circulation
Evaluation index constructs the corresponding four layers of evaluation index of the consistency rate of decay；
Based on power attenuation rate, using maximum charge power rate of decay and maximum discharge power rate of decay as evaluation index structure
Build the corresponding four layers of evaluation index of the power attenuation rate；
Based on energy attenuation rate, using maximum charge energy attenuation rate and maximum discharge energy rate of decay as evaluation index structure
Build the corresponding four layers of evaluation index of the energy attenuation rate；
Efficiency based on energy-accumulating power station, the efficiency for constructing the energy-accumulating power station using energy-accumulating power station power consumption rate as evaluation index are corresponding
Four layers of evaluation index；
Based on relative depature standard error, standard error is deviateed with peak regulation mode, new energy receive mode deviate standard error and
It is that evaluation index constructs the corresponding four layers of evaluation index of the relative depature standard error that peak load shifting mode, which deviates standard error,；
Based on response rate, mode response rate is received with peak regulation mode response rate, new energy and peak load shifting mode response rate is to comment
Estimate index and constructs the corresponding four layers of evaluation index of the response rate.
6. energy-accumulating power station synthetic performance evaluation method according to claim 5, which is characterized in that the full charge pressure is consistent
Property determines as the following formula:
In formula, RSDUConsistency is pressed for full charge, L is the quantity of energy-storage units in energy-accumulating power station, and J is battery pack in energy-storage units
Quantity；Vi,jFor the full charge pressure of j-th of battery pack in energy-storage units i, λiFor the weight of energy-storage units i, the λiAs the following formula
It determines:
In formula,For the specified charge power of energy-accumulating power station,For the nominal discharge power of energy-accumulating power station,For energy storage list
The specified charge power of first i,For the nominal discharge power of energy-storage units i；
Temperature consistency after the circulation determines as the following formula:
In formula, RSDTFor the temperature consistency after circulation, Ti,jFor the temperature of j-th of battery pack in energy-storage units i.
7. energy-accumulating power station synthetic performance evaluation method according to claim 6, which is characterized in that the full charge pressure is consistent
Property rate of decay determines as the following formula:
In formula, RODRSD,UConsistency rate of decay, RSD ' are pressed for full chargeUConsistency nominal value is pressed for full charge, t is energy storage electricity
It stands the synthetic performance evaluation period；
Temperature consistency rate of decay after the circulation determines as the following formula:
In formula, RODRSD,TFor the temperature consistency rate of decay after circulation, RSD 'TFor the temperature consistency nominal value after circulation；
The maximum charge power rate of decay determines as the following formula:
In formula, RODP,chgFor maximum charge power rate of decay, Pchg,maxFor the maximum charge power of energy-accumulating power station；
The maximum discharge power rate of decay determines as the following formula:
In formula, RODP,disFor maximum discharge power rate of decay, Pdis,maxFor the maximum discharge power of energy-accumulating power station；
The maximum charge energy attenuation rate determines as the following formula:
In formula, RODE,chgFor maximum charge energy attenuation rate, Echg,maxFor the maximum charge energy of energy-accumulating power station,For storage
The specified rechargeable energy in energy power station；
The maximum discharge energy rate of decay determines as the following formula:
In formula, RODE,disFor maximum discharge energy rate of decay, Edis,maxFor the maximum discharge energy of energy-accumulating power station,For energy storage
The nominal discharge energy in power station.
8. energy-accumulating power station synthetic performance evaluation method according to claim 6, which is characterized in that the plumbic acid and lithium battery
Efficiency for charge-discharge determines as the following formula:
In formula, ηbat1For plumbic acid and charging and discharging lithium battery efficiency, Ebat,disFor total discharge capacity of energy-accumulating power station in assessment cycle,
Ebat,chgFor total charge volume of energy-accumulating power station in assessment cycle；
The all-vanadium flow battery efficiency for charge-discharge determines as the following formula:
In formula, ηbat2For all-vanadium flow battery efficiency for charge-discharge, Wbat,disTo be assisted in energy-accumulating power station discharge process in assessment cycle
The loss of equipment, Wbat,chgFor in assessment cycle in energy-accumulating power station charging process ancillary equipment loss；
The sodium-sulphur battery efficiency for charge-discharge determines as the following formula:
In formula, ηbat3For sodium-sulphur battery efficiency for charge-discharge, Hbat,disIt heats and sets during discharge for energy-accumulating power station in assessment cycle
Standby consumed electricity, Hbat,chgBy energy-accumulating power station in assessment cycle, heating equipment consumes electricity during the charging process.
9. energy-accumulating power station synthetic performance evaluation method according to claim 6, which is characterized in that the peak regulation mode deviates
Standard error determines as the following formula:
In formula, RSDpeakDeviate standard error, N for peak regulation modepeakThe total of peak regulation mode is participated in for energy-accumulating power station in assessment cycle
Number, Epeak,nFor the actual discharge electricity of energy-accumulating power station under n-th peak regulation mode,For energy storage electricity under all peak regulation modes
The actual discharge electricity mean value stood；
The new energy receives mode deviation standard error to determine as the following formula:
In formula, RSDvallMode is received to deviate standard error, N for new energyvallNew energy is participated in for energy-accumulating power station in assessment cycle
Receive the total degree of mode, Evall,kThe practical charge capacity of energy-accumulating power station under mode is received for kth time new energy,For institute
There is new energy to receive the practical charge capacity mean value of energy-accumulating power station under mode；
The peak load shifting mode deviates standard error and determines as the following formula:
In formula, RSDwaveDeviate standard error, N for peak load shifting modewavePeak load shifting is participated in for energy-accumulating power station in assessment cycle
The total degree of mode, twave,mFor the running time of energy-accumulating power station under the m times peak load shifting mode,It is filled out for all peak clippings
The running time mean value of energy-accumulating power station under paddy mode；
The peak regulation mode response rate determines as the following formula:
In formula, θpeakFor peak regulation mode response rate, Nplan,peakFor peak regulation task total degree；
The new energy receives mode response rate to determine as the following formula:
In formula, θvollMode response rate, N are received for new energyplan,vallTask total degree is received for new energy；
The peak load shifting mode response rate determines as the following formula:
In formula, θwaveFor peak load shifting mode response rate, Nplan,waveFor peak load shifting task total degree.
10. energy-accumulating power station synthetic performance evaluation method according to claim 6, which is characterized in that the reduction network loss
Benefit determines as the following formula:
Bloss=Δ Ploss,chg∑tLVlow+ΔPloss,dis∑tHVhigh
In formula, BlossFor the benefit for reducing network loss, tHFor the discharge time of peak of power consumption stage energy-accumulating power station, tLFor low power consumption
The charging time of stage energy-accumulating power station, VhighFor the electricity price in peak of power consumption stage, VlowFor the electricity price in low power consumption stage, Δ
Ploss,chgThe network loss of power grid reduction, Δ P when charging for energy-accumulating power stationloss,disThe network loss of power grid reduction when discharging for energy-accumulating power station；
The benefit for reducing network capacity determines as the following formula:
Bcap=Ccus×max{Pplan}
In formula, BcapFor the benefit for reducing network capacity, CcusFor the unit price of region distribution system, PplanFor the plan for dispatching system
Dispatch load maximum value.
11. energy-accumulating power station synthetic performance evaluation method according to claim 10, which is characterized in that described to be based on the finger
Scale value and each index weights determine the comprehensive score of energy-accumulating power station, comprising:
The comprehensive score of energy-accumulating power station is determined as the following formula:
In formula, S is the comprehensive score of energy-accumulating power station；khFor the weight of h-th of evaluation index, analytic hierarchy process (AHP) is used to determine；Fh
For the score of h-th of evaluation index.
12. energy-accumulating power station synthetic performance evaluation method according to claim 11, which is characterized in that the FhBy following mistake
Journey determines:
1) temperature consistency after evaluation index is full charge pressure consistency, circulation, full charge are pressed consistency rate of decay, are followed
Temperature consistency rate of decay, maximum charge power rate of decay, maximum discharge power rate of decay, maximum charge energy after ring
Rate of decay, maximum discharge energy rate of decay, energy-accumulating power station failure rate, energy-accumulating power station power consumption rate, peak regulation mode deviate standard
When error, new energy receive mode to deviate standard error or peak load shifting mode deviation standard error, Fh=100-x, x are assessment
The index value of index；
2) when evaluation index be maximum charge power, maximum discharge power, maximum charge energy, maximum discharge energy, plumbic acid with
It is charging and discharging lithium battery efficiency, all-vanadium flow battery efficiency for charge-discharge, sodium-sulphur battery efficiency for charge-discharge, peak regulation mode response rate, new
When the energy receives mode response rate or peak load shifting mode response rate, Fh=x；
3) when evaluation index is the income of energy-accumulating power station,
4) when evaluation index is the benefit of energy-accumulating power station,Wherein B is energy-accumulating power station
Benefit, and B=Bloss+Bcap；
5) when evaluation index is the rate of return on investment of energy-accumulating power station,
13. energy-accumulating power station synthetic performance evaluation method according to claim 11, which is characterized in that described based on described comprehensive
Score is closed to assess energy-accumulating power station comprehensive performance, comprising:
As S >=f1When, the energy-accumulating power station comprehensive performance is excellent；
Work as f2≤ S < f1When, the energy-accumulating power station comprehensive performance is good；
Work as f3≤ S < f2When, the energy-accumulating power station comprehensive performance is medium；
As S < f3When, the energy-accumulating power station comprehensive performance is poor；
Wherein, f1、f2、f3For comprehensive score threshold value, and f1> f2> f3。
14. a kind of energy-accumulating power station synthetic performance evaluation device characterized by comprising
Index value determining module, for each energy-storage units number in the evaluated energy-accumulating power station based on evaluation index system and acquisition
Value calculates each evaluation index in the energy-accumulating power station by evaluation index calculation formula each in the preset evaluation system
Value；
Comprehensive score determining module, for determining the comprehensive score of energy-accumulating power station based on the index value and each index weights；
Evaluation module, for being assessed based on the comprehensive score energy-accumulating power station comprehensive performance；
State characteristic, operation characteristic and economic performance of the energy-accumulating power station evaluation index system based on each energy-storage units are layered structure
It builds, every layer includes multiple evaluation indexes, and is evaluation index setup algorithm formula.
15. energy-accumulating power station synthetic performance evaluation device according to claim 14, which is characterized in that described device further includes
Module is constructed, the building module includes:
Construction unit, for state characteristic, operation characteristic and economic performance to be set as first layer evaluation index, and based on described
First layer index constructs lower layer's index；
Determination unit, for being lower layer's target setting calculation formula.
16. energy-accumulating power station synthetic performance evaluation device according to claim 15, which is characterized in that the construction unit tool
Body is used for:
Based on the state characteristic, the corresponding two layers of evaluation index of the state characteristic is constructed by evaluation index of real-time characteristic；
It is poor to operate normally loss objective, different energy-storage battery difference indexes and different working modes based on the operation characteristic
Different index is that evaluation index constructs the corresponding two layers of evaluation index of the operation characteristic；
Based on the economic performance, the economy is constructed by evaluation index of the income of energy-accumulating power station, benefit and rate of return on investment
The corresponding two layers of evaluation index of characteristic.
17. energy-accumulating power station synthetic performance evaluation device according to claim 16, which is characterized in that the construction unit tool
Body is used for:
Based on the real-time characteristic, using energy-storage units consistency, maximum power capability and maximum capacity ability as evaluation index structure
Build the corresponding three layers of evaluation index of the real-time characteristic；
Based on the normal operation loss objective, with consistency rate of decay, power attenuation rate, energy attenuation rate, energy storage
Power failure rate and efficiency are that evaluation index constructs the corresponding three layers of evaluation index of the normal operation loss objective；
Based on different energy-storage battery difference indexes, with plumbic acid and charging and discharging lithium battery efficiency, all-vanadium flow battery efficiency for charge-discharge
It is the corresponding three layers of evaluation index of the evaluation index building different energy-storage battery difference index with sodium-sulphur battery efficiency for charge-discharge；
Based on different working modes difference index, the difference is constructed using relative depature standard error and response rate as evaluation index
The corresponding three layers of evaluation index of operating mode difference index；
Benefit based on energy-accumulating power station constructs the energy storage as evaluation index using the benefit for reducing network loss and the benefit for reducing network capacity
The corresponding three layers of evaluation index of the benefit in power station.
18. energy-accumulating power station synthetic performance evaluation device according to claim 17, which is characterized in that the construction unit tool
Body is used for:
Based on energy-storage units consistency, using the temperature consistency after full charge pressure consistency and circulation as described in evaluation index building
The corresponding four layers of evaluation index of energy-storage units consistency；
Based on maximum power capability, the maximum power energy is constructed using maximum charge power and maximum discharge power as evaluation index
The corresponding four layers of evaluation index of power；
Based on ceiling capacity ability, the ceiling capacity energy is constructed using maximum discharge energy and maximum charge energy as evaluation index
The corresponding four layers of evaluation index of power；
Based on consistency rate of decay, it is with the temperature consistency rate of decay after full charge pressure consistency rate of decay and circulation
Evaluation index constructs the corresponding four layers of evaluation index of the consistency rate of decay；
Based on power attenuation rate, using maximum charge power rate of decay and maximum discharge power rate of decay as evaluation index structure
Build the corresponding four layers of evaluation index of the power attenuation rate；
Based on energy attenuation rate, using maximum charge energy attenuation rate and maximum discharge energy rate of decay as evaluation index structure
Build the corresponding four layers of evaluation index of the energy attenuation rate；
Efficiency based on energy-accumulating power station, the efficiency for constructing the energy-accumulating power station using energy-accumulating power station power consumption rate as evaluation index are corresponding
Four layers of evaluation index；
Based on relative depature standard error, standard error is deviateed with peak regulation mode, new energy receive mode deviate standard error and
It is that evaluation index constructs the corresponding four layers of evaluation index of the relative depature standard error that peak load shifting mode, which deviates standard error,；
Based on response rate, mode response rate is received with peak regulation mode response rate, new energy and peak load shifting mode response rate is to comment
Estimate index and constructs the corresponding four layers of evaluation index of the response rate.
19. energy-accumulating power station synthetic performance evaluation device according to claim 18, which is characterized in that the index value determines
Module is specifically used for:
Determine that full charge presses consistency as the following formula:
In formula, RSDUConsistency is pressed for full charge, L is the quantity of energy-storage units in energy-accumulating power station, and J is battery pack in energy-storage units
Quantity；Vi,jFor the full charge pressure of j-th of battery pack in energy-storage units i, λiFor the weight of energy-storage units i, the λiAs the following formula
It determines:
In formula,For the specified charge power of energy-accumulating power station,For the nominal discharge power of energy-accumulating power station,For energy storage list
The specified charge power of first i,For the nominal discharge power of energy-storage units i；
The temperature consistency after circulation is determined as the following formula:
In formula, RSDTFor the temperature consistency after circulation, Ti,jFor the temperature of j-th of battery pack in energy-storage units i.
20. energy-accumulating power station synthetic performance evaluation device according to claim 19, which is characterized in that the index value determines
Module is specifically used for:
Determine that full charge presses consistency rate of decay as the following formula:
In formula, RODRSD,UConsistency rate of decay, RSD ' are pressed for full chargeUConsistency nominal value is pressed for full charge, t is energy storage electricity
It stands the synthetic performance evaluation period；
The temperature consistency rate of decay after circulation is determined as the following formula:
In formula, RODRSD,TFor the temperature consistency rate of decay after circulation, RSD 'TFor the temperature consistency nominal value after circulation；
Maximum charge power rate of decay is determined as the following formula:
In formula, RODP,chgFor maximum charge power rate of decay, Pchg,maxFor the maximum charge power of energy-accumulating power station；
Maximum discharge power rate of decay is determined as the following formula:
In formula, RODP,disFor maximum discharge power rate of decay, Pdis,maxFor the maximum discharge power of energy-accumulating power station；
Maximum charge energy attenuation rate is determined as the following formula:
In formula, RODE,chgFor maximum charge energy attenuation rate, Echg,maxFor the maximum charge energy of energy-accumulating power station,For energy storage
The specified rechargeable energy in power station；
Maximum discharge energy rate of decay is determined as the following formula:
In formula, RODE,disFor maximum discharge energy rate of decay, Edis,maxFor the maximum discharge energy of energy-accumulating power station,For energy storage
The nominal discharge energy in power station.
21. energy-accumulating power station synthetic performance evaluation device according to claim 19, which is characterized in that the index value determines
Module is specifically used for:
Plumbic acid and charging and discharging lithium battery efficiency are determined as the following formula:
In formula, ηbat1For plumbic acid and charging and discharging lithium battery efficiency, Ebat,disFor total discharge capacity of energy-accumulating power station in assessment cycle,
Ebat,chgFor total charge volume of energy-accumulating power station in assessment cycle；
All-vanadium flow battery efficiency for charge-discharge is determined as the following formula:
In formula, ηbat2For all-vanadium flow battery efficiency for charge-discharge, Wbat,disTo be assisted in energy-accumulating power station discharge process in assessment cycle
The loss of equipment, Wbat,chgFor in assessment cycle in energy-accumulating power station charging process ancillary equipment loss；
Sodium-sulphur battery efficiency for charge-discharge is determined as the following formula:
In formula, ηbat3For sodium-sulphur battery efficiency for charge-discharge, Hbat,disIt heats and sets during discharge for energy-accumulating power station in assessment cycle
Standby consumed electricity, Hbat,chgBy energy-accumulating power station in assessment cycle, heating equipment consumes electricity during the charging process.
22. energy-accumulating power station synthetic performance evaluation device according to claim 19, which is characterized in that the index value determines
Module is specifically used for:
Determine that peak regulation mode deviates standard error as the following formula:
In formula, RSDpeakDeviate standard error, N for peak regulation modepeakThe total of peak regulation mode is participated in for energy-accumulating power station in assessment cycle
Number, Epeak,nFor the actual discharge electricity of energy-accumulating power station under n-th peak regulation mode,For energy storage electricity under all peak regulation modes
The actual discharge electricity mean value stood；
Determine that new energy receives mode to deviate standard error as the following formula:
In formula, RSDvallMode is received to deviate standard error, N for new energyvallNew energy is participated in for energy-accumulating power station in assessment cycle
Receive the total degree of mode, Evall,kThe practical charge capacity of energy-accumulating power station under mode is received for kth time new energy,For institute
There is new energy to receive the practical charge capacity mean value of energy-accumulating power station under mode；
Determine that peak load shifting mode deviates standard error as the following formula:
In formula, RSDwaveDeviate standard error, N for peak load shifting modewavePeak load shifting is participated in for energy-accumulating power station in assessment cycle
The total degree of mode, twave,mFor the running time of energy-accumulating power station under the m times peak load shifting mode,For all peak clippings
The running time mean value of energy-accumulating power station under valley-fill mode；
Peak regulation mode response rate is determined as the following formula:
In formula, θpeakFor peak regulation mode response rate, Nplan,peakFor peak regulation task total degree；
Determine that new energy receives mode response rate as the following formula:
In formula, θvollMode response rate, N are received for new energyplan,vallTask total degree is received for new energy；
Peak load shifting mode response rate is determined as the following formula:
In formula, θwaveFor peak load shifting mode response rate, Nplan,waveFor peak load shifting task total degree.
23. energy-accumulating power station synthetic performance evaluation device according to claim 19, which is characterized in that the assessed value determines
Module is specifically used for:
The benefit for reducing network loss is determined as the following formula:
Bloss=Δ Ploss,chg∑tLVlow+ΔPloss,dis∑tHVhigh
In formula, BlossFor the benefit for reducing network loss, tHFor the discharge time of peak of power consumption stage energy-accumulating power station, tLFor low power consumption
The charging time of stage energy-accumulating power station, VhighFor the electricity price in peak of power consumption stage, VlowFor the electricity price in low power consumption stage, Δ
Ploss,chgThe network loss of power grid reduction, Δ P when charging for energy-accumulating power stationloss,disThe network loss of power grid reduction when discharging for energy-accumulating power station；
The benefit for reducing network capacity is determined as the following formula:
Bcap=Ccus×max{Pplan}
In formula, BcapFor the benefit for reducing network capacity, CcusFor the unit price of region distribution system, PplanFor the plan for dispatching system
Dispatch load maximum value.
24. energy-accumulating power station synthetic performance evaluation device according to claim 23, which is characterized in that the comprehensive score is true
Cover half block determines the comprehensive score of energy-accumulating power station as the following formula:
In formula, S is the comprehensive score of energy-accumulating power station；khFor the weight of h-th of evaluation index, analytic hierarchy process (AHP) is used to determine；Fh
For the score of h-th of evaluation index；
FhIt is determined by following procedure:
1) temperature consistency after evaluation index is full charge pressure consistency, circulation, full charge are pressed consistency rate of decay, are followed
Temperature consistency rate of decay, maximum charge power rate of decay, maximum discharge power rate of decay, maximum charge energy after ring
Rate of decay, maximum discharge energy rate of decay, energy-accumulating power station failure rate, energy-accumulating power station power consumption rate, peak regulation mode deviate standard
When error, new energy receive mode to deviate standard error or peak load shifting mode deviation standard error, Fh=100-x, x are assessment
The index value of index；
2) when evaluation index be maximum charge power, maximum discharge power, maximum charge energy, maximum discharge energy, plumbic acid with
It is charging and discharging lithium battery efficiency, all-vanadium flow battery efficiency for charge-discharge, sodium-sulphur battery efficiency for charge-discharge, peak regulation mode response rate, new
When the energy receives mode response rate or peak load shifting mode response rate, Fh=x；
3) when evaluation index is the income of energy-accumulating power station,
4) when evaluation index is the benefit of energy-accumulating power station,Wherein B is energy-accumulating power station
Benefit, and B=Bloss+Bcap；
5) when evaluation index is the rate of return on investment of energy-accumulating power station,
25. energy-accumulating power station synthetic performance evaluation device according to claim 24, which is characterized in that the evaluation module tool
Body is used for:
As S >=f1When, the energy-accumulating power station comprehensive performance is excellent；
Work as f2≤ S < f1When, the energy-accumulating power station comprehensive performance is good；
Work as f3≤ S < f2When, the energy-accumulating power station comprehensive performance is medium；
As S < f3When, the energy-accumulating power station comprehensive performance is poor；
Wherein, f1、f2、f3For comprehensive score threshold value, and f1> f2> f3。
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| CN113036789A (en) * | 2021-05-07 | 2021-06-25 | 重庆大学 | Flywheel energy storage array charging and discharging control method based on distributed cooperation |
| CN113224854A (en) * | 2021-05-19 | 2021-08-06 | 广东电网有限责任公司 | Method and device for evaluating receptivity of distributed energy storage power station |
| CN114024328A (en) * | 2021-10-11 | 2022-02-08 | 上海电气集团股份有限公司 | Comprehensive evaluation method and device for energy storage power station system and readable medium |
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| CN112561254B (en) * | 2020-12-01 | 2023-08-01 | 南方电网调峰调频发电有限公司 | Performance evaluation system for energy storage power station |
| CN113036789A (en) * | 2021-05-07 | 2021-06-25 | 重庆大学 | Flywheel energy storage array charging and discharging control method based on distributed cooperation |
| CN113224854A (en) * | 2021-05-19 | 2021-08-06 | 广东电网有限责任公司 | Method and device for evaluating receptivity of distributed energy storage power station |
| CN114024328A (en) * | 2021-10-11 | 2022-02-08 | 上海电气集团股份有限公司 | Comprehensive evaluation method and device for energy storage power station system and readable medium |
| WO2024120115A1 (en) * | 2022-12-07 | 2024-06-13 | 中国长江三峡集团有限公司 | Comprehensive evaluation method and apparatus for performance of battery energy storage system, and computer device |
| CN117081122A (en) * | 2023-10-16 | 2023-11-17 | 天津市普迅电力信息技术有限公司 | Running state analysis system based on distributed energy storage device |
| CN117081122B (en) * | 2023-10-16 | 2023-12-19 | 天津市普迅电力信息技术有限公司 | Running state analysis system based on distributed energy storage device |
| CN117495177A (en) * | 2023-11-07 | 2024-02-02 | 国网青海省电力公司清洁能源发展研究院 | Energy storage power station operation evaluation method for integrating operation economy and power grid safety |
| CN117495177B (en) * | 2023-11-07 | 2024-04-26 | 国网青海省电力公司清洁能源发展研究院 | Energy storage power station operation evaluation method for integrating operation economy and power grid safety |
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