CN102479350B - A kind of electric power analysis processing system based on new forms of energy large-scale grid connection and method - Google Patents
A kind of electric power analysis processing system based on new forms of energy large-scale grid connection and method Download PDFInfo
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Abstract
The present invention discloses a kind of electric power analysis processing system based on new forms of energy large-scale grid connection and method, including input module, power source planning module, local and transregional peak modulation capacity configuration module, frequency modulation correction verification module, it is judged that processing module and output module.It includes generation of electricity by new energy planning the power planning of normal power supplies in, formed and consider that the power planning of new forms of energy large-scale grid connection analyzes system, anti-peak-shaving capability, randomness and the intermittence of new forms of energy are taken into full account, with the minimum target of overall society cost, obtain the power supply architecture including new forms of energy and transregional flow of power, effectively prevent the grid-connected and difficult problem of dissolving after new forms of energy large-scale development.
Description
Technical field
The present invention relates to a kind of energy technology field, particularly relate to a kind of electric power based on new forms of energy large-scale grid connection and divide
Analysis processing system and method.
Background technology
Development new forms of energy to increase China energy supply, readjust the energy structure, reduce environmental pollution, reply climate change and
Realize sustainable development etc. significant, be the inevitable choice solving China's energy supply problem, be also practicable simultaneously
The Scientific Outlook on Development, promotes the Important Action of pro-environmental society.
Each place government, when tissue establishment new energy development planning, determines new energy mainly in accordance with local new forms of energy resource situation
The design size of source generating and construction sequential, cause lacking power system during local plan generation of electricity by new energy installation scale overall
Consider that new forms of energy large-scale grid connection and the series of problems such as difficulty of dissolving easily occur.Such as, the generation of electricity by new energy one such as wind-powered electricity generation
As there is randomness, intermittent and anti-peak-shaving capability, and restricted by power supply regulating power and transregional ability to transmit electricity deficiency,
When new forms of energy large-scale grid connection, new forms of energy will be caused to be difficult to effectively and to dissolve.
Summary of the invention
It is an object of the invention to provide a kind of electric power analysis processing system based on new forms of energy large-scale grid connection and method, its
Effectively various generations of electricity by new energy are processed with other power supply, electrical network unified Analysis, significantly solve disappearing of new-energy grid-connected
Receive difficult problem.
A kind of based on new forms of energy large-scale grid connection the electric power analysis processing system provided for realizing the object of the invention, including
Input module, power source planning module, local and transregional peak modulation capacity configuration module, frequency modulation correction verification module, it is judged that process mould
Block and output module；
Wherein:
Described input module, is used for inputting analysis desired parameters；
Described normal power supplies planning module, for the data inputted according to described input module, estimates and meets constraints
Under, power source planning tentative programme during whole society's totle drilling cost minimum；
Described local and transregional peak modulation capacity configuration module, for the power supply rule be given according to described normal power supplies planning module
Draw tentative programme, in conjunction with generation of electricity by new energy power producing characteristics, adjust transregional transmission curve shape, reasonable disposition transregional peak regulation energy
Power, analyzes and obtains new forms of energy and dissolve direction and scale；
Described frequency modulation correction verification module, for according to the described local and transregional peak modulation capacity configuration unit commitment that is given of module and
Repair schedule, new forms of energy are dissolved layout and scale, by frequency modulation analysis and other operating analysis, check and revise new forms of energy and disappear
Naboo office and scale；
Described judging treatmenting module, dissolves layout and rule for checking revised new forms of energy according to described frequency modulation correction verification module
Mould, adjusts electrical network new energy development scale, and judges its convergence error, if more than a pre-set value, then updating new forms of energy
Exploitation scale sequential, proceeds to described normal power supplies planning module, continues to optimize and analyzes, otherwise proceeds to described output module；
Described output module, is used for exporting final results needed.
More preferably, the parameter that described input module is inputted includes that generation of electricity by new energy is initially installed scale capacity X0, and
Temporal development, layout, planning area, planning horizon, all kinds of normal power supplies power plant, power transmission line and fuel parameter；
Described fuel parameter includes phosphorus content, sulfur content, dust burdening, fuel price and supply.
More preferably, output module, according to network load characteristic, power supply architecture, transregional transmission curve shape, calculates each new energy
Dissolving scale and transregional scale of dissolving in base, source, and exports various analysis result, including new energy development and rule of dissolving
Mould, direction, sequential, mode, electric network source structure, layout, scale, sequential, and various technical-economic index,
Obtain final result and export.
Also provide for a kind of electric power analysis processing method based on new forms of energy large-scale grid connection for realizing the object of the invention, including under
Row step:
Step A, desired parameters is analyzed in input；
Step B, according to the data of input, estimates and meets under constraints, power source planning during whole society's totle drilling cost minimum
Tentative programme；
Step C, according to power source planning, in conjunction with generation of electricity by new energy power producing characteristics, adjusts transregional transmission curve shape, rationally
Configure transregional peak modulation capacity, analyze and obtain new forms of energy and dissolve direction and scale；
Step D, dissolves direction and scale according to new forms of energy, by frequency modulation analysis and other operating analysis, check revise new
Energy consumption layout and scale；
Step E, checks revised new forms of energy according to frequency modulation correction verification module and dissolves layout and scale, adjust electrical network new forms of energy
Exploitation scale, and judge its convergence error, if more than a pre-set value, then update new energy development scale sequential, proceed to
Step B continues to optimize to be analyzed, and otherwise enters step F；
Step F, exports final results needed.
The invention has the beneficial effects as follows: the electric power analysis processing system based on new forms of energy large-scale grid connection of the present invention and side
Method, in conjunction with the peak-frequency regulation ability practical situation of generation of electricity by new energy power producing characteristics and existing electrical network, obtains the dress of new forms of energy
Machine layout and scale and matching relationship rational with Transmission Corridor capacity so that new forms of energy can be the most grid-connected, aobvious
Write the problem of dissolving solving new-energy grid-connected so that the totle drilling cost of supply of electric power minimizes.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention electric power analysis based on new forms of energy large-scale grid connection processing system structural representation；
Fig. 2 is embodiment of the present invention electric power analysis based on new forms of energy large-scale grid connection process flow figure.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The electric power analysis processing system based on new forms of energy large-scale grid connection of the present invention and method are further elaborated.Should
Understanding, specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As it is shown in figure 1, as a kind of embodiment, the electric power based on new forms of energy large-scale grid connection of the embodiment of the present invention
Analysis process system, including input module, power source planning module, local and transregional peak modulation capacity configuration module, frequency modulation school
Test module, it is judged that processing module and output module；
Wherein, input module 1, it is used for inputting analysis desired parameters；
Input module 1 inputs new forms of energy and initially installs scale capacity X0And the various data that analyzing and processing needs, including new
The energy (such as wind energy) generating initial installation scale capacity X0, and sequential, layout, planning area, planning horizon,
The parameters such as all kinds of normal power supplies, power transmission line and fuel.
Wherein, the parameter that all kinds of new forms of energy relate to is except initial installation scale capacity X0Outward, the throwing of generation of electricity by new energy is also included
Produce the parameters such as year, investment, fuel, expense and generation of electricity by new energy efficiency.
Wherein, the detail parameters that fuel parameter relates to includes phosphorus content, sulfur content, dust burdening, fuel price and supply
Etc. parameter.
Normal power supplies planning module 2, for the data according to input module 1 input, estimates and meets under constraints,
Power source planning tentative programme during whole society's totle drilling cost minimum；
The various data that normal power supplies planning module 2 inputs according to input module, with whole society's totle drilling cost (refer to generating with across
The transmission of electricity whole society of district totle drilling cost) minimum target, estimate and optimize normal power supplies structure, layout, scale, sequential, giving
Go out various technical-economic index and object of planning value.
Local and transregional peak modulation capacity configuration module 3, at the beginning of the power source planning be given according to normal power supplies planning module 2
Step scheme, in conjunction with generation of electricity by new energy power producing characteristics, adjusts transregional transmission curve shape, the transregional peak modulation capacity of reasonable disposition,
Analysis obtains new forms of energy and dissolves layout and scale
Local and transregional peak modulation capacity configuration module 3 combines unit maintenance scheduling, unit commitment, peak load regulation network constraint and each
Plant and run constraints, in conjunction with generation of electricity by new energy power producing characteristics, analyze the peak load regulation network balance under various typical operation modes
With typical case's analytical data such as day 24 hours power balances etc., and by adjusting transregional transmission curve shape, reasonable disposition is transregional
Peak modulation capacity, estimates following each forcasted years typical case of each moon day electrical network new forms of energy and dissolves layout and scale
Frequency modulation correction verification module 4, for dissolving direction according to the local and transregional peak modulation capacity configuration new forms of energy that are given of module 3
And scale
By frequency modulation analysis and other operating analysis, check and revise new forms of energy and dissolve scale
Frequency modulation correction verification module 4, according to multiple typical load curve, maintenance scheduling for power systems and unit commitment, selects power grid frequency modulation
The difficulty period, analyze electrical network continuous steady-state operation situation, coupling frequency regulation capacity demand and fm capacity, from frequency modulation and other
Operating analysis angle verifies following each forcasted years typical case of each moon day electrical network new forms of energy and dissolves layout and scale
Judging treatmenting module 5, dissolves layout and scale for checking revised new forms of energy according to frequency modulation correction verification module 4
Adjust electrical network new energy development layout and scale X, and judge its convergence error, if more than a pre-set value, then update new
Energy development layout and scale sequential X0, proceed to normal power supplies planning module 2, continue to optimize and analyze, otherwise proceed to output
Module 6.
Judging treatmenting module 5 is dissolved layout and scale according to each forcasted years typical case of each moon day electrical network new forms of energy
Revise each water
Non-leap year, electrical network new energy development layout and scale X, and judged the convergence error of new energy development scale, total including project period
Amount error and Ge Nian maximum error.
Output module 6, is used for exporting final results needed.
Output module 6, according to network load characteristic, power supply architecture, transregional transmission curve shape, calculates each new forms of energy base
Dissolving scale and transregional scale of dissolving in this locality, and exports various analysis result, including new energy development and dissolve scale, side
To, sequential, mode, electric network source structure, layout, scale, sequential, and various technical-economic index, obtain
Termination fruit also exports.
As a kind of embodiment, the electric power analysis based on new forms of energy large-scale grid connection of the embodiment of the present invention processes system
System, desired parameters is analyzed in input module 1 input；The data that normal power supplies planning module 2 inputs according to input module, estimate
Calculate and meet under constraints, power source planning tentative programme during whole society's totle drilling cost minimum；Local and transregional peak modulation capacity is joined
Put the power source planning tentative programme that module 3 provides according to normal power supplies planning module, in conjunction with generation of electricity by new energy power producing characteristics,
Adjust transregional transmission curve shape, the transregional peak modulation capacity of reasonable disposition, provide new forms of energy and dissolve direction and scale
Frequency modulation
Correction verification module 4 is dissolved direction and scale according to the local and transregional peak modulation capacity configuration new forms of energy that are given of module 3
Pass through
Frequency modulation is analyzed and other operating analysis, checks and revises new forms of energy and dissolve layout and scale
Judging treatmenting module 5 is according to tune
Frequently correction verification module 4 is checked revised new forms of energy and is dissolved layout and scale
Adjust electrical network new energy development layout and scale
X, and judge its convergence error, if more than a pre-set value, then update new energy development layout and scale sequential X0,
Proceed to normal power supplies planning module 2, continue to optimize and analyze, otherwise proceed to output module 6；Output module 6 exports finally
Results needed.
Below as a example by wind-power electricity generation is connected to the grid, the power planning of the new forms of energy large-scale grid connection describing the present invention in detail is excellent
Change processing method, as in figure 2 it is shown, comprise the following steps:
Step S100, desired parameters is analyzed in input；
In the embodiment of the present invention, as a kind of embodiment, according to wind-powered electricity generation initial layout and installation scale capacity X0,
The various data that input analyzing and processing needs, with the target that configuration optimization is to be reached；
Step S200, according to the data of input, estimates and meets under constraints, power supply rule during whole society's totle drilling cost minimum
Draw tentative programme；
According to object function and the various data of input, the electric network source structure after being optimized, layout, scale, sequential
With various technical-economic indexes；
As a kind of embodiment, minimum with social total cost (referring to generate electricity and transregional transmission of electricity whole society totle drilling cost)
Principle, with formula (1) object function, according to inputting various data, under meeting constraints, obtains desired value optimum
Time electric network source structure, layout, scale, sequential and various technical-economic index:
Wherein, Type represents power supply type.
R represents sum planning horizon, i.e. carries out the time interval of balance of electric power and ener analysis.
COld, t, i, zFor in subregion z on i at the beginning of project period, the installed capacity of the actual t type of power gone into operation.
COut, t, i, zFor in subregion z, on the 1 period planning year compared with at the beginning of project period, retired t type of power general assembly
Machine.
CNew, t, i, zFor in subregion z, plan and gone into operation before the 1 period planning year but not yet actual at the beginning of project period
The total installed capacity of the i type of power gone into operation.
HT, i, zFor in subregion z, the installation of t type of power utilizes hourage on the 1 period planning year, and this value is through producing
Obtain after simulation.
PT, i, zFor t type of power in subregion z at the unit quantity of electricity whole society cost of 1 year, (examine including average rate for incorporation into the power network
Consider fuel used to generate electricity and the change of cost of transportation, start and stop operating cost), the external cost etc. of power generation settings pollutant emission.
This value obtains after producing simulation.
γ is discount rate, generally about 8%.
yiRepresent the i-th cycle First Year and at the beginning of project period between time gap.
TI, zRepresent subregion z i-th cycle and the set of interconnection circuit outside district.
CK, i, zFor the circuit k of subregion z and the outskirt interconnection maximum transfer capacity on the 1 period planning year, if CK, i, z
By delivering to outside district then for negative value in district, be otherwise on the occasion of.
HK, i, zUtilize hour for the circuit k of subregion z and the outskirt interconnection maximum transfer capacity on the 1 period planning year
Number.
PK, i, zRepresent that subregion z carried whole society's cost of unit quantity of electricity by circuit k in 1 year, i.e. rate for incorporation into the power network (is sent
Go out end) or land electricity price (receiving terminal), wherein considering to meet the cost that environmental standard brings during the measuring and calculating of transmission of electricity valency increases.
ΦI, ZRepresent subregion z electrical network not delivery loss on the 1 period planning year.
Constraints includes:
1) power balance constraint
Local maximum load (containing spare capacity)=local installed capacity+only entered electric power (electric power outside Ji Shouru district-to district
Send outward electric power).
2) electric quantity balancing constraint
Local electrical demand=this locality generates electricity electricity+only entered electricity (outside Ji Shouru district electricity-send electricity outside district).
3) coal Constraints of Equilibrium
Coal-carry coal-this locality other industry use outside district is sent into outside local coal for power generation≤this locality coal production+district
Coal-this locality coal stock's increment.
4) environmental constraints
Each department generating discharges pollutants total amount≤locality allowable emission.
Step S300, according to power source planning tentative programme, in conjunction with generation of electricity by new energy power producing characteristics, adjusts transregional transmission curve
Shape, the transregional peak modulation capacity of reasonable disposition, analyze and obtain new forms of energy and dissolve direction and scale
Structure according to normal power supplies, layout, scale, sequential, analyze and meet peak load regulation network surplus TFUnder wind electricity digestion
Direction and scale
It is preferred that as a kind of embodiment, step S300 comprises the following steps:
Step S310, initializes the newly-increased wind-powered electricity generation layout being added in electrical network and installed capacity X=0；
Step S320, according to analytical data such as repair schedule, each typical case's day unit commitment, 24 hours pointwise power balances,
Calculating meets under constraints, peak load regulation network surplus TF；
Local peak surplus TFThe peak modulation capacity (without wind-powered electricity generation) of (containing spare capacity)=local installation+entered district
Peak regulation demand-anti-the peak of this locality wind-powered electricity generation of the peak modulation capacity of outer electric power-send outside district electric power；
Constraints includes:
1) unit maintenance constraint
Retrain including Hydro-Unit Maintenance Cycle and service ability；Fired power generating unit service ability and the continuity constraint of maintenance；
Upper and lower limit constraint of electrical network and each subregion thermoelectricity maintenance capacity etc..
2) conventional operation constraint
The typical case's 24 hours days power balance constraint month by month of electrical network and each subregion.By stages interconnection maximum delivery capacity-constrained.
The work of each power station is exerted oneself less than the constraint of its upper and lower limit, and the minimum technology such as thermoelectricity, nuclear power and peak load stations is exerted oneself about
Bundle and installed capacity retrain, and power station anticipation is exerted oneself and forces units limits, hydroenergy storage station installed capacity constraint and
Retrain for unit water-storage with unit, draw water hydroenergy storage station day, generate electricity Constraints of Equilibrium etc..
Step S330, it is judged that whether peak regulation surplus is less than 0；If it is, enter step S370；Otherwise, step is entered
S340；
Step S340, increases wind-powered electricity generation layout and installed capacity Δ X so that wind-powered electricity generation layout and installed capacity X=former X+ Δ X；
Step S350, reduces firepower power capacity W in electrical network1× Δ X, wherein W1For wind-powered electricity generation available capacity coefficient, the most negative
Wind power output coefficient during lotus peak, statistical value is about 5%；
Step S360, reanalyses the peak regulation surplus T calculating electrical networkF=former TF-CF*W1*ΔX-(W2-W1) * Δ X, its
In, CFFor coal electricity peak modulation capacity coefficient, statistical value about 50%, W2For wind power output coefficient during load valley,
Statistical value, about 70%, returns step S330.
Step S370, it is judged that transregional transmission of electricity offside peak load regulation network whether surplus；If it is, keep transregional trnamission capacity constant,
Adjust transregional transmission curve, return step S310；Otherwise, then S400 is gone to step.
Step S400, dissolves direction and scale according to new forms of energy
By frequency modulation analysis and other operating analysis, check
Revise new forms of energy to dissolve layout and scale
According to analytical data such as the repair schedule being incorporated into the power networks, each typical case's day unit commitments, carry out continuous Analysis of Steady Operating,
Check and revise the wind electricity digestion capability of whole electrical network after wind-electricity integration runs.
Step S500, checks revised new forms of energy according to frequency modulation correction verification module and dissolves layout and scale
Adjust electrical network
New energy development layout and scale X, and judge its convergence error, if more than a pre-set value, then updating new energy development
Layout and scale sequential X0, proceed to step S200 and continue to optimize analysis, otherwise enter step S600；
New energy development layout and the scale of revised optimization is checked, it is judged that the new energy newly increased according to frequency modulation correction verification module
Whether source Development allocation and scale meet the various service requirement of electrical network, and carry out the new energy development cloth processed after being optimized
Office and scale.
Described step S500 comprises the following steps:
Judge new wind-powered electricity generation layout and installed capacity X and initial layout and installed capacity X0Vector distance whether less than ginseng
Number ε, i.e. judges | X-X0| ＜ ε；If it is not, then using initial as wind-powered electricity generation to new wind-powered electricity generation layout and installed capacity X
Layout and installed capacity X0, returning step S200, re-optimization processes；Otherwise, wind-powered electricity generation installation layout and scale X are obtained
And local and transregional wind electricity digestion scale, enter step S600.
Step S600, exports final results needed.
According to network load characteristic, power supply architecture, transregional transmission curve shape, calculate each new forms of energy base and dissolve rule
Mould and transregional scale of dissolving, and export various analysis result, including new energy development and scale of dissolving, direction, sequential,
Mode, electric network source structure, layout, scale, sequential, and various technical-economic index, obtain final result defeated
Go out.
It should be noted that, the embodiment of the present invention is equally applicable to other different types of new forms of energy, such as solar energy, tide
The power planning analysis of the large-scale grid connection such as energy, process such as step S100～S600 that its optimization processes are identical, therefore,
Describe in detail the most one by one.
The present invention includes generation of electricity by new energy planning the power planning system of normal power supplies in, is formed and considers that new forms of energy are extensive also
The power planning of net analyzes system, has taken into full account anti-peak-shaving capability, randomness and the intermittence of new forms of energy, total with society
Cost minimization is target, obtains the power generation configuration structure including new forms of energy and transregional flow of power, effectively prevent new energy
Grid-connected and difficult problem of dissolving after the large-scale development of source.
The electric power analysis processing system based on new forms of energy large-scale grid connection of the embodiment of the present invention and method, send out in conjunction with new forms of energy
The power producing characteristics of electricity and the peak-frequency regulation ability practical situation of existing electrical network, obtain the installation layout of new forms of energy and scale and
Matching relationship rational with Transmission Corridor capacity so that various generations of electricity by new energy can be the most grid-connected, significantly solves new energy
What source was grid-connected dissolve difficult problem so that the totle drilling cost of supply of electric power minimizes.
It is last it should be noted that, it will be apparent that those skilled in the art can carry out various change and modification to the present invention
Without departing from the spirit and scope of the present invention.So, if these amendments of the present invention and modification belong to right of the present invention and want
Ask and within the scope of equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an electric power analysis processing system based on new forms of energy large-scale grid connection, it is characterised in that include input module,
Normal power supplies planning module, local and transregional peak modulation capacity configuration module, frequency modulation correction verification module, it is judged that processing module and defeated
Go out module；
Wherein:
Described input module, is used for inputting analysis desired parameters；
Described normal power supplies planning module, for the data inputted according to described input module, estimates and meets constraints
Under, power source planning tentative programme during whole society's totle drilling cost minimum；
Described local and transregional peak modulation capacity configuration module, for the power supply rule be given according to described normal power supplies planning module
Draw tentative programme, in conjunction with generation of electricity by new energy power producing characteristics, adjust transregional transmission curve shape, reasonable disposition transregional peak regulation energy
Power, analyzes and obtains new forms of energy and dissolve direction and scale；
Described frequency modulation correction verification module, for joining according to described normal power supplies planning module and described local and transregional peak modulation capacity
Put power source planning tentative programme that module provides and new forms of energy dissolved direction and scale, by frequency modulation analysis and other run point
Analysis, checks and revises new forms of energy and dissolve direction and scale；
Described judging treatmenting module, dissolves direction and rule for checking revised new forms of energy according to described frequency modulation correction verification module
Mould, adjusts electrical network new energy development layout and scale, and judges its convergence error, if more than a pre-set value, then updating
New energy development locational scale sequential, proceeds to described normal power supplies planning module, continues to optimize and analyzes, and otherwise proceeds to described
Output module；
Described output module, is used for exporting final results needed；
Wherein, described normal power supplies planning module, for social total cost minimization as principle, with following formula for target letter
Number, according to inputting various data, under meeting constraints, electric network source structure when obtaining desired value optimum, layout,
Scale, sequential and various technical-economic index:
Wherein, Type represents power supply type；
R represents sum planning horizon, i.e. carries out the time interval of balance of electric power and ener analysis；
Cold,t,i,zFor in subregion z on i at the beginning of project period, the installed capacity of the actual t type of power gone into operation；
Cout,t,i,zFor in subregion z, on the 1 period planning year compared with at the beginning of project period, retired t type of power general assembly
Machine；
Cnew,t,i,zFor in subregion z, plan and gone into operation before the 1 period planning year but not yet actual at the beginning of project period
The total installed capacity of the t type of power gone into operation；
Ht,i,zFor in subregion z, the installation of t type of power utilizes hourage on the 1 period planning year；
Pt,i,zFor t type of power in subregion z at the unit quantity of electricity whole society cost of 1 year, including average rate for incorporation into the power network,
The external cost of power generation settings pollutant emission；
γ is discount rate；
yiRepresent the i-th cycle First Year and at the beginning of project period between time gap；
Ti,zRepresent subregion z i-th cycle and the set of interconnection circuit outside district；
Ck,i,zFor the circuit k of subregion z and the outskirt interconnection maximum transfer capacity on the 1 period planning year, if Ck,i,z
By delivering to outside district then for negative value in district, be otherwise on the occasion of；
Hk,i,zUtilize hour for the circuit k of subregion z and the outskirt interconnection maximum transfer capacity on the 1 period planning year
Number；
Pk,i,zRepresent subregion z by circuit k in whole society's cost of 1 year conveying unit quantity of electricity, i.e. rate for incorporation into the power network or fall
Ground electricity price；
Φi,ZRepresent subregion z electrical network not delivery loss on the 1 period planning year.
Analysis process system the most according to claim 1, it is characterised in that the ginseng that described input module is inputted
Number includes that generation of electricity by new energy is initially installed scale capacity X0, and sequential, layout, planning area, planning horizon, each
Class normal power supplies power plant, power transmission line and fuel parameter；
Described fuel parameter includes phosphorus content, sulfur content, dust burdening, fuel price and supply.
Analysis process system the most according to claim 1 and 2, it is characterised in that output module is born according to electrical network
Lotus characteristic, power supply architecture, transregional transmission curve shape calculate each new forms of energy base and dissolve scale and transregional scale of dissolving,
And export various analysis result, including new energy development and dissolve scale, direction, sequential, mode, electric network source structure,
Layout, scale, sequential, and various technical-economic index, obtain final result and export.
4. an electric power analysis processing method based on new forms of energy large-scale grid connection, it is characterised in that comprise the following steps:
Step A, desired parameters is analyzed in input；
Step B, according to the data of input, estimates and meets under constraints, power source planning during whole society's totle drilling cost minimum
Tentative programme；
Step C, according to power source planning tentative programme, in conjunction with generation of electricity by new energy power producing characteristics, adjusts transregional transmission curve shape
Shape, the transregional peak modulation capacity of reasonable disposition, analyze and obtain new forms of energy and dissolve direction and scale；
Step D, is dissolved direction and scale according to power source planning tentative programme and new forms of energy, is analyzed by frequency modulation, and check is repaiied
Positive new forms of energy are dissolved direction and scale；
Step E, checks revised new forms of energy according to frequency modulation correction verification module and dissolves direction and scale, adjust electrical network new forms of energy
Development allocation and scale, and judge its convergence error, if more than a pre-set value, then update new energy development layout and rule
Mould sequential, proceeds to step B and continues to optimize analysis, otherwise enter step F；
Step F, exports final results needed；
Wherein, described step B comprises the following steps:
With social total cost minimization as principle, with following formula as object function, according to inputting various data, in satisfied constraint
Under the conditions of, obtain electric network source structure, layout, scale, sequential and various technical-economic index during desired value optimum:
Wherein, Type represents power supply type；
R represents sum planning horizon, i.e. carries out the time interval of balance of electric power and ener analysis；
Cold,t,i,zFor in subregion z on i at the beginning of project period, the installed capacity of the actual t type of power gone into operation；
Cout,t,i,zFor in subregion z, on the 1 period planning year compared with at the beginning of project period, retired t type of power general assembly
Machine；
Cnew,t,i,zFor in subregion z, plan and gone into operation before the 1 period planning year but not yet actual at the beginning of project period
The total installed capacity of the t type of power gone into operation；
Ht,i,zFor in subregion z, the installation of t type of power utilizes hourage on the 1 period planning year；
Pt,i,zFor t type of power in subregion z at the unit quantity of electricity whole society cost of 1 year, including average rate for incorporation into the power network,
The external cost of power generation settings pollutant emission；
γ is discount rate；
yiRepresent the i-th cycle First Year and at the beginning of project period between time gap；
Ti,zRepresent subregion z i-th cycle and the set of interconnection circuit outside district；
Ck,i,zFor the circuit k of subregion z and the outskirt interconnection maximum transfer capacity on the 1 period planning year, if Ck,i,z
By delivering to outside district then for negative value in district, be otherwise on the occasion of；
Hk,i,zUtilize hour for the circuit k of subregion z and the outskirt interconnection maximum transfer capacity on the 1 period planning year
Number；
Pk,i,zRepresent subregion z by circuit k in whole society's cost of 1 year conveying unit quantity of electricity, i.e. rate for incorporation into the power network or fall
Ground electricity price；
Φi,ZRepresent subregion z electrical network not delivery loss on the 1 period planning year.
Analysis and processing method the most according to claim 4, it is characterised in that described constraints includes:
1) power balance constraint
Local maximum load=this locality installed capacity+only entered electric power；
2) electric quantity balancing constraint
Local electrical demand=this locality generating electricity+only entered electricity；
3) coal Constraints of Equilibrium
Coal-carry coal-this locality other industry use outside district is sent into outside local coal for power generation≤this locality coal production+district
Coal-this locality coal stock's increment；
4) environmental constraints
Each department generating discharges pollutants total amount≤locality allowable emission.
Analysis and processing method the most according to claim 5, it is characterised in that described step C comprises the following steps:
Step A1, initializes the newly-increased wind-powered electricity generation layout being added in electrical network and installed capacity X=0；
Step A2, according to repair schedule, each typical case's day unit commitment, 24 hours pointwise power balance analytical data, meter
Calculation meets under constraints, peak load regulation network surplus TF；
Step A3, it is judged that whether peak regulation surplus is less than 0；If it is, enter step A7；Otherwise, step A4 is entered；
Step A4, increases installed capacity of wind-driven power Δ X so that wind-powered electricity generation layout and installed capacity X=former X+ Δ X；
Step A5, reduces fossil capacity W in electrical network1× Δ X, wherein W1For wind-powered electricity generation available capacity coefficient, i.e. load peak
Time wind power output coefficient；
Step A6, reanalyses the peak regulation surplus T calculating electrical networkF=former TF-CF*W1*ΔX-(W2-W1) * Δ X, wherein,
CFFor coal electricity peak modulation capacity coefficient, W2For wind power output coefficient during load valley, and W2Value be 70%, return
Step A3；
Step A7, it is judged that transregional transmission of electricity offside peak load regulation network whether surplus；If it is, keep transregional trnamission capacity constant,
Adjust transregional transmission curve, return step A1；Otherwise, then D is gone to step.
Analysis and processing method the most according to claim 6, it is characterised in that in described step A2, calculates and meets
Under constraints, peak load regulation network surplus TF, particularly as follows:
Local peak surplus TFThe peak modulation capacity of=local installation+the be subject to peak modulation capacity of electric power outside district-outside district
Send the peak regulation demand-anti-peak of this locality wind-powered electricity generation of electric power；
Wherein, the peak modulation capacity of local installation is not include the part that new forms of energy are installed；
Constraints includes:
1) unit maintenance constraint
Retrain including Hydro-Unit Maintenance Cycle and service ability；Fired power generating unit service ability and the continuity constraint of maintenance；
The upper and lower limit constraint of electrical network and each subregion thermoelectricity maintenance capacity；
2) conventional operation constraint
The typical case's 24 hours days power balance constraint month by month of electrical network and each subregion；By stages interconnection maximum delivery capacity-constrained；
The work of each power station is exerted oneself less than the constraint of its upper and lower limit.
Analysis and processing method the most according to claim 6, it is characterised in that in described step A5, described load
Wind power output coefficients statistics value during peak is 5%；In described step A6, described coal electricity peak modulation capacity coefficients statistics value is
50%, wind power output coefficients statistics value during described load valley is 70%.
Analysis and processing method the most according to claim 8, it is characterised in that described step E comprises the following steps:
Judge new wind-powered electricity generation layout and installed capacity X and initial layout and installed capacity X0Vector distance whether less than ginseng
Number ε, i.e. judges | X-X0| ＜ ε；If it is not, then using initial as wind-powered electricity generation to new wind-powered electricity generation layout and installed capacity X
Layout and installed capacity X0, returning step B, re-optimization processes；Otherwise, obtain wind-powered electricity generation layout and installed capacity X and
Local and transregional wind electricity digestion scale, enters step F.
Analysis and processing method the most according to claim 9, it is characterised in that described step F comprises the following steps:
Calculate each new forms of energy base dissolve scale according to network load characteristic, power supply architecture, transregional transmission curve shape
With transregional scale of dissolving, and export various analysis result, including new energy development and dissolve scale, direction, sequential, side
Formula, electric network source structure, layout, scale, sequential, and various technical-economic index, obtain final result and export.
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| CN101873004A (en) * | 2010-06-13 | 2010-10-27 | 国电南瑞科技股份有限公司 | Unified coordination AGC (Automatic Generation Control) control method of interconnected network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101873004A (en) * | 2010-06-13 | 2010-10-27 | 国电南瑞科技股份有限公司 | Unified coordination AGC (Automatic Generation Control) control method of interconnected network |
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