CN103187806B - Battery energy storage power station power control method used for frequency modulation and system thereof - Google Patents
Battery energy storage power station power control method used for frequency modulation and system thereof Download PDFInfo
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Abstract
The invention provides a battery energy storage power station power control method used for frequency modulation and a battery energy storage power station power control system used for the frequency modulation. The battery energy storage power station power control method used for the frequency modulation comprises the steps of (A) reading a frequency-modulation active power required value of a battery energy storage power station and relative data during working of the battery energy storage power station in a real-time mode, storing and managing the active power required value and the data, (B) calculating power command values to be assigned to various battery energy storage units in the battery energy storage power station, (C) summarizing the power command values of the various battery energy storage units, and outputting the power command values to the battery energy storage power station. The battery energy storage power station power control system used for the frequency modulation comprises a communication module, a data storage and management module and a frequency-modulation power assignment control module. The battery energy storage power station power control method used for the frequency modulation is achieved through an industrial personal computer and a communication platform. According to the battery energy storage power station power control method used for the frequency modulation and the battery energy storage power station power control system used for the frequency modulation, not only can the function that frequency-modulation corresponding to an automatic generation control (AGC) system is supported by the battery energy storage power station be achieved, but also the aim that real-time power of a megawatt level lithium ion battery energy storage power station is effectively controlled and assigned is achieved.
Description
Technical field
The invention belongs to intelligent grid and stored energy and switch technology field, be specifically related to a kind of realtime power control method based on high-power large capacity MW class lithium ion battery energy-accumulating power station, while being particularly useful for MW class battery energy storage power station participation system AGC frequency modulation, the energy storage unit realtime power in energy-accumulating power station distributes and energy-accumulating power station energy management.
Background technology
Along with the development of battery and integrated technology thereof, application battery energy storage power station participates in automatic electricity generation control system frequency modulation (hereinafter to be referred as AGC frequency modulation) becomes a kind of feasible program gradually.The advantages such as the battery energy storage unit in battery energy storage power station has fast response time compared with traditional generating set, and the start-stop time is short will play a significant role in the frequency modulation control of distribution network system and intelligent grid.Several large capacity energy-storage battery of commonly using at present in battery energy storage system has sodium-sulphur battery, the types such as flow battery and lithium ion battery.
From the angle of battery energy storage, excessive charging and excessive electric discharge all can impact the life-span of battery.Therefore, monitored battery charge state, in the good AGC frequency modulation active power demand of the inner reasonable distribution of energy-accumulating power station, and be necessary within the specific limits by the state-of-charge control of battery.
The current patent about the AGC frequency modulation control aspect based on the extensive battery energy storage power station of MW class, document, technical report etc. are considerably less, energy-accumulating power station application technology when needing further investigation and exploring extensive polymorphic type battery energy storage power station Comprehensive Control and participate in ACG frequency modulation, solves extensive battery energy storage power station and coordinates the key issue of controlling and being incorporated into the power networks.
Summary of the invention
For the problems referred to above, realtime power control method when main purpose of the present invention is to provide a kind of MW class lithium ion battery energy-accumulating power station that is easy to realize and grasp in practical engineering application to participate in system frequency modulation can meet the AGC frequency modulation active power demand of energy-accumulating power station and the real-time monitoring requirement of high capacity cell energy-accumulating power station stored energy simultaneously.
Control method of the present invention is achieved through the following technical solutions:
For a battery energy storage power station Poewr control method for frequency modulation, the method comprises the following steps:
Steps A, the frequency modulation active power requirements that reads in real time battery energy storage power station and the relevant service data in this power station, and need summed data to carry out store and management to above-mentioned active power;
Step B, judge the state of battery energy storage power station with active power requirements according to frequency modulation, and by the corresponding preset rules calculating power command value to each battery energy storage unit in battery energy storage power station to be allocated;
Step C, export battery energy storage power station by be allocated to after gathering to the power command value of each battery energy storage unit.
Further, in steps A, the relevant service data of described battery energy storage power station comprises: the controllable state value of each battery energy storage unit, state-of-charge value (being called for short SOC value), maximum discharge power and maximum charge power etc. that allows of allowing in battery energy storage power station.
Further, described step B comprises the steps:
Judge the state of battery energy storage power station;
When the frequency modulation of battery energy storage power station with active power requirements be on the occasion of time, represent that this battery energy storage power station will, in discharge condition, obtain the power command value of each battery energy storage unit according to the first preset rules;
In the time that the frequency modulation of battery energy storage power station is negative value by diligent power demand value, represent that this battery energy storage power station will, in charged state, obtain the initial power bid value of each battery energy storage unit according to the second preset rules; Described discharge condition value equals 1 and deducts state-of-charge value;
In the time that the frequency modulation of battery energy storage power station is zero with active power requirements, represent that this lithium battery energy storage battery substation will, in zero power phase, be made as zero by the active power bid value of each battery energy storage unit.
Described the first preset rules comprises:
B10) judge whether frequency modulation active power demand meets the maximum permission discharge power constraints of current battery energy storage power station, if violate this constraints, directly allow discharge power to be made as the power command value of corresponding unit the maximum of all battery energy storage units; Otherwise execution step B11;
B11) in setting battery energy storage power station, being limited in the maximum battery energy storage unit quantity that allows discharge power is M, and this variable M is carried out to initialization, by controlled battery energy storage machine group state-of-charge value account for all controlled battery energy storage machine group state-of-charge value summations in battery energy storage power station ratio value, be multiplied by again the frequency modulation active power requirements of battery energy storage power station, calculate the power command value of all battery energy storage units; The state-of-charge value that described controlled battery energy storage machine group state-of-charge value is this unit and the product of its controllable state value;
Whether the power command value that B12) judges all battery energy storage units meets the maximum discharge power constraints that allows of battery energy storage unit, if while having battery energy storage unit to violate this constraints, carries out M=M+1, and performs step B13; Otherwise jump to step B15;
B13) violate the maximum battery energy storage power of the assembling unit bid value that allows discharge power constraints of battery energy storage unit by calculating and account for the maximum ratio value that allows discharge power of this unit, try to achieve respectively the discharge power characteristic value of violating the maximum each battery energy storage unit that allows discharge power constraints of battery energy storage unit;
B14) from violate the maximum each battery energy storage unit that allows discharge power constraints of battery energy storage unit, select a battery energy storage unit based on greedy algorithm, allow discharge power to be made as its power command value the maximum of this unit, recalculate after all the other power command values that are not limited in the maximum each battery energy storage unit that allows discharge power, jump to step B12;
Whether the power command value sum that B15) judges each battery energy storage unit of above-mentioned steps gained meets active power equilibrium of supply and demand constraints, if do not meet this constraints, recalculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows discharge power; Otherwise, finish judgement.
Described the second preset rules comprises:
B20) judge whether frequency modulation active power requirements meets the maximum permission charge power constraints of current battery energy storage power station, if violate this constraints, directly allow charge power to be made as the power command value of corresponding unit the maximum of all battery energy storage units; Otherwise execution step B21;
B21) in setting battery energy storage power station, being limited in the maximum battery energy storage unit quantity that allows charge power is N, and this variable N is carried out to initialization, by controlled battery energy storage machine group discharge condition value account for the discharge condition value summation of all controlled battery energy storage machine groups in battery energy storage power station ratio value, be multiplied by again the frequency modulation active power requirements of battery energy storage power station, calculate all battery energy storage power of the assembling unit bid values; The discharge condition value that described controlled battery energy storage machine group discharge condition value is this unit and the product of its controllable state value;
Whether the power command value that B22) judges all battery energy storage units meets the maximum charge power constraints that allows of battery energy storage unit, if while having battery energy storage unit to violate this constraints, carries out N=N+1, and performs step B23; Otherwise jump to step B25;
B23) violate the maximum battery energy storage power of the assembling unit bid value that allows charge power constraints of battery energy storage unit by calculating and account for the maximum ratio value that allows charge power of this unit, try to achieve respectively the charge power characteristic value of violating the maximum each battery energy storage unit that allows charge power constraints of battery energy storage unit;
B24) from violate the maximum each battery energy storage unit that allows charge power constraints of battery energy storage unit, select a battery energy storage unit based on greedy algorithm, allow charge power value to be made as its power command value the maximum of this unit, recalculate after all the other power command values that are not limited in the maximum each battery energy storage unit that allows charge power, jump to step B22;
Whether the power command value sum that B25) judges each battery energy storage unit of above-mentioned steps gained meets active power equilibrium of supply and demand constraints, if do not meet this constraints, recalculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows charge power.
Further, in described step B10, the maximum of current battery energy storage power station allows discharge power constraints to be: the maximum that the frequency modulation of battery energy storage power station active power requirements is less than or equal to each battery energy storage unit allows discharge power summation; In described step B12, the maximum of battery energy storage unit allows discharge power constraints to be: the maximum that battery energy storage power of the assembling unit bid value is less than or equal to this unit allows discharge power; In described step B20, the maximum of current battery energy storage power station allows charge power constraints to be: the absolute value of the frequency modulation of battery energy storage power station active power demand is less than or equal to the maximum absolute value that allows charge power summation of each battery energy storage unit; In described step B22, the maximum of battery energy storage unit allows charge power constraints to be: the absolute value of battery energy storage power of the assembling unit bid value is less than or equal to the maximum absolute value that allows charge power of this unit; In described step B15 and B25, active power equilibrium of supply and demand constraints is: the power command value summation of each battery energy storage unit equals the frequency modulation active power requirements of current battery energy storage power station.
Further, the concrete grammar of described step B14 comprises:
From violate the maximum each battery energy storage unit that allows discharge power constraints of battery energy storage unit, select the battery energy storage unit of discharge power characteristic value maximum, if while having more than one energy storage unit to satisfy condition, therefrom choose again the battery energy storage unit of a state-of-charge value maximum, then allow discharge power to be made as its power command value the maximum of this unit; And recalculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows discharge power by following formula:
The concrete grammar of described step B15 comprises:
If judge each battery energy storage unit power command value and while not meeting the constraints of the active power equilibrium of supply and demand, by the following power command value that recalculates all the other and be not limited in the maximum each battery energy storage unit that allows discharge power:
The concrete grammar of described step B24 comprises:
From violate the maximum each battery energy storage unit that allows charge power constraints of battery energy storage unit, select the battery energy storage unit of charge power characteristic value maximum, if while having more than one energy storage unit to satisfy condition, therefrom choose again the battery energy storage unit of a state-of-charge value minimum, then allow charge power to be made as its power command value the maximum of this unit; And recalculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows charge power by following formula:
The concrete grammar of described step B25 comprises:
If judge each battery energy storage unit power command value and while not meeting the constraints of the active power equilibrium of supply and demand, recalculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows charge power by following formula:
Above-mentioned various in, u
jfor the controllable state value of j battery energy storage unit, in the time that this battery energy storage unit can participate in frequency modulation, this state value is 1, otherwise is 0; SOC
j, SOD
jbe respectively charged, the discharge condition value of j battery energy storage unit, SOD
j=1-SOC
j; L is all battery energy storage unit numbers in battery energy storage power station, and M, N are respectively and violate the maximum battery energy storage unit number that allows electric discharge, charge power constraints;
the maximum that is respectively i battery energy storage unit allows electric discharge, charge power;
the maximum that is respectively j battery energy storage unit allows electric discharge, charge power
for the frequency modulation of battery energy storage power station active power requirements.
In described step C, the power command value to each battery energy storage unit to be allocated calculating in step B is gathered, and export battery energy storage power station to, to carry out the power division to each battery energy storage unit in battery energy storage power station, realize realtime power control function when battery energy storage power station is participated in to automatic electricity generation control system (AGC system) frequency modulation simultaneously.
Another object of the present invention is to propose a kind of battery energy storage power station power control system for frequency modulation, this system comprises:
Communication module, for reading in real time the frequency modulation active power requirements of battery energy storage power station and the relevant service data in this power station, and export the power command value of each battery energy storage unit to battery energy storage power station, to realize, the each battery energy storage subelement in battery energy storage power station is carried out to power division;
Data storage and management module, carry out store and management for the frequency modulation active power requirements of battery energy storage power station that communication module is read and the relevant service data in this power station, and the power command value of each battery energy storage unit that frequency modulation power division control module is returned reaches communication module after gathering; With
Frequency modulation power division control module, for judging the state of battery energy storage power station according to frequency modulation with active power requirements, and the power command value of each battery energy storage unit in battery energy storage power station while calculating corresponding state.
Compared with prior art, the beneficial effect that the present invention reaches is:
Battery energy storage power station Poewr control method for frequency modulation of the present invention and system thereof have easy to operate, be easy in actual applications the advantages such as realization and grasp, in conjunction with the permission charging and discharging capabilities that can represent lithium ion battery energy storage unit realtime power characteristic (the method and system are mainly, the maximum discharge power that allows of each lithium battery energy storage battery unit, the maximum charge power etc. that allows of each lithium battery energy storage battery unit) and can represent the state-of-charge SOC of lithium ion battery energy storage unit stored energy characteristic, based on frequency modulation power division controller, the AGC frequency modulation of battery energy storage power station is distributed online with active power requirements, thereby when having realized real-time distribution lithium ion battery energy-accumulating power station AGC frequency modulation active power demand, also energy management and the realtime power control of AGC frequency modulation MW class battery energy storage power station have been realized.
Brief description of the drawings
Fig. 1 is the system configuration schematic diagram of MW class lithium ion battery energy-accumulating power station embodiment;
Fig. 2 is the structural representation that the realtime power in lithium battery energy storage battery of the present invention power station distributes control system embodiment;
Fig. 3 is the structural representation of frequency modulation power division control module embodiment;
Fig. 4 is the FB(flow block) that the present invention participates in the lithium battery energy storage battery power station frequency modulation power distribution control method embodiment of AGC frequency modulation;
Embodiment
Control method of the present invention and system can be applied in lithium ion battery energy-accumulating power station, also can be applied in sodium-sulfur battery energy storage power station, below to be applied in lithium ion battery energy-accumulating power station for the present invention is described in further detail by reference to the accompanying drawings.
As shown in Figure 1, the lithium battery energy storage battery power station in this example comprises two way convertor and multiple lithium ion battery energy storage unit, can be carried out the on off control to lithium ion battery energy storage unit and be discharged and recharged power instruction etc. by two way convertor.
Fig. 2 shows the structured flowchart of the realtime power distribution control system embodiment in lithium battery energy storage battery power station.As shown in Figure 2, this routine system is that communication module 10, data storage and management module 20, frequency modulation power division control module 30 by being arranged in remote server realizes.Communication module 10 in this control system is connected by wired or wireless network with battery energy storage power station, complete data interaction between this control system and battery energy storage power station and communicate by letter, thereby be embodied as each lithium battery energy storage battery unit in battery energy storage power station and carry out power division, and battery energy storage power station is carried out to realtime power monitoring, wherein
Communication module 10, for receiving in real time the AGC frequency modulation active power requirements service data relevant with battery energy storage power station of battery energy storage power station, and exports power command value of giving each lithium ion battery energy storage unit to be allocated to battery energy storage power station.
Data storage and management module 20, for the relevant service data (comprising real time data and historical data) of store and management battery energy storage power station; And be responsible for the each lithium ion battery energy storage unit power command value calculating to gather and by the agreement assignment of prior setting to relevant interface variable, call by communication module for remote server.
Frequency modulation power division control module 30, for calculating in real time the power command value to each lithium ion battery energy storage unit to be allocated.
In addition, the system in this example also can receive by above-mentioned communication module the frequency modulation power instruction of AGC system in real time, and presses in real time the power command value of each lithium ion battery energy storage unit by frequency modulation power division control module; This system is back to AGC system by the power command value of each unit by communication module again and realizes frequency modulation function.Between this system and ACG system, can come transceiving data and instruction by the communication mode of IEC104 stipulations.
As shown in Figure 3, frequency modulation power division control module specifically comprises:
Judge module, for judging the state of current battery energy storage power station: when the AGC of battery energy storage power station frequency modulation active power requirements on the occasion of time, represent that this battery energy storage power station will, in discharge condition, calculate the power command value of each battery energy storage unit by the first Executive Module; In the time that the AGC of battery energy storage power station frequency modulation is negative value with active power requirements, represent that this battery energy storage power station will, in charged state, calculate the power command value of each battery energy storage unit by the second Executive Module; In the time that battery energy storage power station active power demand is zero, represent that this battery energy storage power station will, in zero power phase, arrange the power command value of each battery energy storage unit by the 3rd Executive Module.
The first Executive Module, for when the frequency modulation of battery energy storage power station with active power requirements be on the occasion of time, calculate the power command value of each battery energy storage unit;
The second Executive Module, in the time that the frequency modulation of battery energy storage power station is negative value with active power requirements, calculates the power command value of each battery energy storage unit;
The 3rd Executive Module is zero for the power command value of all battery energy storage units is set.
Wherein, the first Executive Module specifically comprises:
First judges submodule, allow discharge power constraints for the maximum that current battery energy storage power station is set, and according to this constraints, AGC frequency modulation is judged with active power requirements, if violation constraints, calculates the power command value of each battery energy storage unit by the first calculating sub module; Otherwise calculate the power command value of all battery energy storage units in battery energy storage power station by the second calculating sub module;
The first calculating sub module, for allowing discharge power to be made as the power command value of corresponding unit the maximum of battery energy storage unit;
The second calculating sub module, carries out initialization for battery energy storage power station being limited in to the maximum battery energy storage unit quantity that allows discharge power, and calculates the power command value of all battery energy storage units in battery energy storage power station;
Second judges submodule, be used for arranging the maximum discharge power constraints that allows of battery energy storage unit, and according to this constraints, all battery energy storage units in battery energy storage power station are judged, if there is the battery energy storage unit of violating this constraints, first recalculate the power command value of the battery energy storage unit of violating this constraints by the 3rd calculating sub module, then proceed judgement by this submodule; Until the power command value of all battery energy storage units all meets when battery energy storage unit is maximum allows discharge power constraints, judge that by the 3rd submodule judges;
The 3rd calculating sub module, for calculating the discharge power characteristic value of violating the maximum each battery energy storage unit that allows discharge power constraints of battery energy storage unit; And from violate the maximum each battery energy storage unit that allows discharge power constraints of battery energy storage unit, select a battery energy storage unit based on greedy algorithm, allow discharge power as its power command value the maximum of this unit, calculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows discharge power.
The 3rd judges submodule, be used for arranging active power equilibrium of supply and demand constraints, and according to this constraints, power command value summation to battery energy storage unit judges, if violation constraints, is redefined all the other and is not limited in the power command value of the maximum each battery energy storage unit that allows discharge power by the 4th calculating sub module; Otherwise, finish judgement; With
The 4th calculating sub module, the power command value that is not limited in the maximum each lithium battery energy storage battery unit that allows discharge power for calculating all the other, thus finally determine the power command value of each lithium battery energy storage battery unit.
Wherein, the second Executive Module specifically comprises:
The 4th judges submodule, allow charge power constraints for the maximum that current battery energy storage power station is set, and according to this constraints, AGC frequency modulation is judged with active power requirements, if violation constraints, calculates the power command value of each battery energy storage unit by the 5th calculating sub module; Otherwise calculate the power command value of all battery energy storage units in battery energy storage power station by the 6th calculating sub module;
The 5th calculating sub module, for allowing charge power to be made as the power command value of corresponding unit the maximum of battery energy storage unit;
The 6th calculating sub module, carries out initialization for battery energy storage power station being limited in to the maximum battery energy storage unit quantity that allows charge power, and calculates the power command value of all battery energy storage units in battery energy storage power station;
The 5th judges submodule, be used for arranging the maximum charge power constraints that allows of battery energy storage unit, and according to this constraints, all battery energy storage units in battery energy storage power station are judged, if there is the battery energy storage unit of violating this constraints, first recalculate the power command value of the battery energy storage unit of violating this constraints by the 7th calculating sub module, proceed judgement by this submodule again, until that the power command value of all battery energy storage units all meets is maximum while allowing charge power constraints, judge that by the 6th submodule judges,
The 7th calculating sub module, for calculating the charge power characteristic value of violating the maximum each battery energy storage unit that allows charge power constraints of battery energy storage unit; And from violate the maximum each battery energy storage unit that allows charge power constraints of battery energy storage unit, select a battery energy storage unit based on greedy algorithm, allow charge power as its power command value the maximum of this unit, calculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows charge power;
The 6th judges submodule, be used for arranging active power equilibrium of supply and demand constraints, and according to this constraints, power command value summation to battery energy storage unit judges, if violation constraints, is redefined all the other and is not limited in the power command value of the maximum each battery energy storage unit that allows charge power by the 8th calculating sub module; Otherwise, finish judgement; With
The 8th calculating sub module, the power command value that is not limited in the maximum each lithium battery energy storage battery unit that allows charge power for calculating all the other, thus finally determine the power command value of each lithium battery energy storage battery unit.
Fig. 4 shows the FB(flow block) of the lithium battery energy storage battery power station frequency modulation power distribution control method that participates in AGC frequency modulation.Below in conjunction with concrete implementation step, its execution mode is elaborated.The battery energy storage power station Poewr control method for frequency modulation providing in this example, the method comprises the steps:
Steps A: the data that read by communication module 10 are to read the AGC frequency modulation active power requirements of the lithium ion battery energy-accumulating power station that host computer issues and the relevant service data of battery energy storage power station system, this relevant service data mainly comprises: the controllable state value of each lithium battery energy storage battery unit, SOC value, maximum discharge power and the maximum charge power etc. that allows of allowing in battery energy storage power station, then reach data data storage and management module 20 and carry out store and management.
Step B: based on frequency modulation power division controller module, calculate in real time to be allocated to each lithium battery energy storage battery power of the assembling unit bid value in battery energy storage power station.
Step C: step B is calculated to be allocated give each lithium battery energy storage battery power of the assembling unit bid value after data storage and management module gathers, export battery energy storage power station to by communication module.
In step B, the computational methods of each lithium ion battery energy storage unit power command value are as follows:
First judge the state in current lithium battery energy storage battery power station, and then calculate respectively the initial power bid value of each lithium ion battery energy storage unit according to the state of each lithium ion battery energy storage unit based on corresponding preset rules:
Step B1, when the AGC in lithium battery energy storage battery power station frequency modulation active power demand
for on the occasion of time, represent that this energy-accumulating power station will be in discharge condition, the state-of-charge value based on each battery energy storage unit (State of Charge:SOC) SOC
iallow discharge power with maximum
calculate the power command value to each battery energy storage unit to be allocated by the first preset rules
B10) judge whether AGC frequency modulation active power demand meets the maximum permission discharge power constraints in the current lithium battery energy storage battery power station shown in following formula (1):
If violate above-mentioned constraints, as shown in the formula shown in (2), directly the maximum of all battery energy storage units allows discharge power to be set to finish this after the power command value of respective battery energy storage unit to calculate, otherwise jumps to step B11;
(i＝1，...，L)(2)
B11) in setting lithium battery energy storage battery power station, being limited in the maximum lithium battery energy storage battery unit quantity that allows discharge power is M=0, and through type (3) calculates the power command value of the each battery energy storage unit i that participates in AGC frequency modulation
B12) the power command value of each lithium battery energy storage battery unit i of determining step B11
whether meet the maximum discharge power constraints that allows of following lithium battery energy storage battery unit;
If there is the energy storage unit of constraints shown in violation formula (4), makes M=M+1, and carry out the following step B13; Until all energy storage units while all meeting the constraints of formula (4), jump to step B15;
B13) calculate the discharge power characteristic value of each lithium battery energy storage battery unit i based on following formula (5)
B14), based on following standard of measurement, application greedy algorithm is selected a battery energy storage unit k from violate the maximum each lithium battery energy storage battery unit that allows discharge power constraints of lithium ion battery energy storage unit.Specific implementation method is as follows: the lithium battery energy storage battery unit k that first picks out discharge power characteristic value maximum from violate the maximum each lithium battery energy storage battery unit that allows discharge power constraints of lithium ion battery energy storage unit, if while having several energy storage units to satisfy condition, more therefrom choose a state-of-charge value SOC
kmaximum lithium battery energy storage battery unit k.
Make the power command value of selected energy storage unit k
the maximum that equals this unit k allows discharge power
as following formula calculates:
All the other are not limited in the power command value of the maximum each lithium battery energy storage battery unit j that allows discharge power
as shown in the formula calculating:
Jump to step B12;
B15) the power command value of each lithium battery energy storage battery unit i that determining step B11 or B14 calculate
whether summation meets following active power equilibrium of supply and demand constraints;
If do not meet the constraints shown in formula (8), recalculate all the other and be not limited in the power command value of the maximum each lithium battery energy storage battery unit j that allows discharge power based on following formula
Step B2, when AGC frequency modulation active power demand
during for negative value, represent that this battery energy storage power station will be in charged state, the discharge condition SOD based on each battery energy storage unit
iallow charge power value with maximum
calculate the power command value to each battery energy storage unit to be allocated by the second preset rules
B20) judge whether AGC frequency modulation active power requirements meets the maximum permission charge power constraints in the current lithium battery energy storage battery power station shown in following formula (10):
If violate above-mentioned constraints, as shown in the formula shown in (11), directly the maximum of all battery energy storage units allows charge power to be set to finish after the power command value of respective battery energy storage unit, otherwise execution step B21;
(i＝1，...，L)(11)
B21) in setting lithium battery energy storage battery power station, being limited in the maximum lithium battery energy storage battery unit quantity that allows charge power is N=0, and through type (12) calculates the power command value of the each energy storage unit i that participates in AGC frequency modulation
B22) the power command value of each energy storage unit i that determining step B21 draws
the maximum that whether meets following lithium battery energy storage battery unit allows charge power constraints;
If during against the energy storage unit of constraints shown in trans (13), make N=N+1, execution step B23; Until all energy storage units while all meeting the constraints of formula (13), jump to step B25.
B23) calculate the charge power characteristic value of each lithium ion battery energy storage unit i based on following formula
B24), based on following standard of measurement, application greedy algorithm is selected a battery energy storage unit k from violate the maximum each lithium-ion energy storage unit that allows charge power constraints of lithium battery energy storage battery unit.Specific implementation method is as follows: the lithium battery energy storage battery unit k that first selects charge power characteristic value maximum from violate the maximum each lithium battery energy storage battery unit that allows charge power constraints of lithium battery energy storage battery unit, if while having several energy storage units to satisfy condition, more therefrom choose a state-of-charge value SOC
kminimum lithium battery energy storage battery unit k.
Make the power command value of selected energy storage unit k
the maximum that equals this unit k allows discharge power
as following formula calculates:
All the other are not limited in the power command value of the maximum each lithium battery energy storage battery unit j that allows charge power value
as shown in the formula calculating:
SOD
j＝1-SOC
j (17)
Jump to step B22;
B25) the power command value of each lithium battery energy storage battery unit i that determining step B21 or B24 calculate
whether summation meets following constraints:
If do not meet the constraints shown in formula (18), recalculate all the other and be not limited in the power command value of the maximum each lithium battery energy storage battery unit j that allows charge power based on following formula
In formula (1)-(19), u
iand u
jthe controllable state value that is respectively i, j lithium battery energy storage battery unit, this state value reads by steps A (communication module), and in the time that this battery energy storage unit can participate in frequency modulation, this state value is 1, and other values are 0; SOC
i, SOC
jbe respectively the state-of-charge value of i, j battery energy storage unit; SOD
i, SOD
jbe respectively the discharge condition value of i, j lithium battery energy storage battery unit; L is total number of lithium battery energy storage battery unit,
for the maximum of i lithium ion battery energy storage unit allows discharge power;
for the maximum of i lithium ion battery energy storage unit allows charge power;
for the maximum of j lithium ion battery energy storage unit allows discharge power;
for the maximum of j lithium ion battery energy storage unit allows charge power.
Step B3, when the AGC of battery energy storage power station frequency modulation active power requirements
be 1 o'clock, represent that this lithium battery energy storage battery substation will, in zero power phase, need not calculate by preset rules the power command value of each battery energy storage subelement, but be directly 0 by the power command value of all lithium battery energy storage battery units.
In step C, the each battery energy storage power of the assembling unit bid value calculating in step B is gathered, and export battery energy storage power station to, to carry out the power division to each battery energy storage unit in battery energy storage power station, the realtime power control function while simultaneously realizing battery energy storage power station participation AGC frequency modulation.
In this example, adopt technique scheme, the function with the AGC frequency modulation active power demand of real-time distribution lithium ion battery energy-accumulating power station, participates in frequency modulation lithium battery energy storage battery power station realtime power control and energy management functionality thereby realize accurate, convenient, effective realization.The present invention not only can realize with battery energy storage power station and support the system frequency modulation function that AGC is corresponding, has also realized the effective control to MW class lithium ion battery energy-accumulating power station realtime power and has distributed object.
If just directly calculate the power command value of each battery energy storage unit in battery energy storage power station with active power demand and each battery energy storage unit state-of-charge SOC according to the frequency modulation of battery energy storage power station, may occur that battery energy storage power of the assembling unit bid value exceedes it and allows to fill, the situation of discharge power (degree of depth) high-low limit, in the time there is this overrun condition, as carried out not in time adaptive correction and online processing, can exceed Operational capability of plant and cause each battery energy storage unit commitment power error to become large because issuing power command value, and existence is difficult to meet the drawback of battery energy storage power station overall power requirement, just because the present invention has increased " by first judging the state of battery energy storage power station, calculate respectively again the power command value of each battery energy storage unit in battery energy storage power station by corresponding preset rules, the permission charging and discharging capabilities constraints that simultaneously effectively consideration can represent battery energy storage unit realtime power characteristic (, the maximum discharge power that allows of each battery energy storage unit, the maximum constraintss such as charge power that allow of each battery energy storage unit) and greedy algorithm to control strategy and system " etc. step, not only overcome above-mentioned drawback, also make battery energy storage power station can better support the frequency modulation function of AGC system, and each battery energy storage unit is produced to the effect of better energy management and realtime power monitoring, be more convenient for applying and realizing.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; in conjunction with above-described embodiment, the present invention is had been described in detail; those of ordinary skill in the field are to be understood that: those skilled in the art still can modify or be equal to replacement the specific embodiment of the present invention, but among the claim protection range that these amendments or change are all awaited the reply in application.
Claims (6)
1. for a battery energy storage power station Poewr control method for frequency modulation, it is characterized in that, comprise the following steps:
Steps A, the frequency modulation active power requirements that reads in real time battery energy storage power station and the relevant service data in this power station, and above-mentioned active power requirements and relevant service data are stored;
Step B, judge the state of battery energy storage power station with active power requirements according to frequency modulation, and by the power command value of each battery energy storage unit in corresponding preset rules calculating battery energy storage power station;
Step C, after being gathered, the power command value of each battery energy storage unit exports battery energy storage power station to;
Described step B specifically comprises:
Judge the state of battery energy storage power station;
When the frequency modulation of battery energy storage power station with active power requirements be on the occasion of time, represent that this battery energy storage power station will, in discharge condition, obtain the power command value of each battery energy storage unit according to the first preset rules; Described the first preset rules comprises:
B10) judge whether frequency modulation active power requirements meets the maximum permission discharge power constraints of current battery energy storage power station, if violate this constraints, directly the maximum of all battery energy storage units allows discharge power to be set to the power command value of corresponding unit; Otherwise execution step B11;
B11) in setting battery energy storage power station, being limited in the maximum battery energy storage unit quantity that allows discharge power is M, and variable M is carried out to initialization, by controlled battery energy storage machine group state-of-charge value account for all controlled battery energy storage machine group state-of-charge value summations in battery energy storage power station ratio value, be multiplied by again the frequency modulation active power requirements of battery energy storage power station, calculate the power command value of all battery energy storage units; The state-of-charge value that described controlled battery energy storage machine group state-of-charge value is this unit and the product of its controllable state value;
Whether the power command value that B12) judges all battery energy storage units meets the maximum discharge power constraints that allows of battery energy storage unit, if while having battery energy storage unit to violate this constraints, carries out M=M+1 and performs step B13; Otherwise jump to step B15;
B13) violate the maximum battery energy storage power of the assembling unit bid value that allows discharge power constraints of battery energy storage unit by calculating and account for the maximum ratio value that allows discharge power of this unit, try to achieve respectively the discharge power characteristic value of violating the maximum each battery energy storage unit that allows discharge power constraints of battery energy storage unit;
B14) from violate the maximum each battery energy storage unit that allows discharge power constraints of battery energy storage unit, select a battery energy storage unit based on greedy algorithm, the maximum of this unit allows discharge power to be set to its power command value, calculate after all the other power command values that are not limited in the maximum each battery energy storage unit that allows discharge power, jump to step B12;
Whether the each battery energy storage power of the assembling unit bid value sum that B15) judges above-mentioned steps gained meets active power equilibrium of supply and demand constraints, if do not meet this constraints, recalculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows discharge power; Otherwise finish judgement;
In the time that the frequency modulation of battery energy storage power station is negative value with active power requirements, represent that this battery energy storage power station will, in charged state, obtain the power command value of each battery energy storage unit according to the second preset rules; Described discharge condition value equals 1 and deducts state-of-charge value; Described the second preset rules comprises:
B20) judge whether frequency modulation active power requirements meets the maximum permission charge power constraints of current battery energy storage power station, if violate this constraints, directly the maximum of all battery energy storage units allows charge power to be set to the power command value of corresponding unit; Otherwise execution step B21;
B21) in setting battery energy storage power station, being limited in the maximum battery energy storage unit quantity that allows charge power is N, and variable N is carried out to initialization, by controlled battery energy storage machine group discharge condition value account for all controlled battery energy storage machine group discharge condition value summations in battery energy storage power station ratio value, be multiplied by again the frequency modulation active power requirements of battery energy storage power station, calculate the power command value of all battery energy storage units; The discharge condition value that described controlled battery energy storage machine group discharge condition value is this unit and the product of its controllable state value;
Whether the power command value that B22) judges all battery energy storage units meets the maximum charge power constraints that allows of battery energy storage unit, if while having battery energy storage unit to violate this constraints, carries out N=N+1, and performs step B23; Otherwise jump to step B25;
B23) violate the maximum battery energy storage power of the assembling unit bid value that allows charge power constraints of battery energy storage unit by calculating and account for the maximum ratio value that allows charge power of this unit, try to achieve respectively the charge power characteristic value of violating the maximum each battery energy storage unit that allows charge power constraints of battery energy storage unit;
B24) from violate the maximum each battery energy storage unit that allows charge power constraints of battery energy storage unit, select a battery energy storage unit based on greedy algorithm, the maximum of this unit allows charge power to be set to its power command value, calculate after all the other power command values that are not limited in the maximum each battery energy storage unit that allows charge power, jump to step B22;
Whether the each battery energy storage power of the assembling unit bid value sum that B25) judges above-mentioned steps gained meets active power equilibrium of supply and demand constraints, if do not meet this constraints, recalculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows charge power; Otherwise finish judgement;
In the time that the frequency modulation of battery energy storage power station is zero with active power requirements, represent that this battery energy storage power station will be in zero power phase, the power command value of each battery energy storage unit is set to zero.
2. the method for claim 1, it is characterized in that, in steps A, the relevant service data of described battery energy storage power station comprises: the controllable state value of each battery energy storage unit, state-of-charge value, maximum discharge power and the maximum charge power that allows of allowing in battery energy storage power station.
3. the method for claim 1, is characterized in that,
In described step B10, the maximum of current battery energy storage power station allows discharge power constraints to be: the maximum that the frequency modulation of battery energy storage power station active power requirements is less than or equal to each battery energy storage unit allows discharge power summation;
In described step B12, the maximum of battery energy storage unit allows discharge power constraints to be: the maximum that battery energy storage power of the assembling unit bid value is less than or equal to this battery energy storage unit allows discharge power;
In described step B20, the maximum of current battery energy storage power station allows charge power constraints to be: the absolute value of battery energy storage power station frequency modulation active power requirements is less than or equal to the maximum absolute value that allows charge power summation of each battery energy storage unit;
In described step B22, the maximum of battery energy storage unit allows charge power constraints to be: the absolute value of battery energy storage power of the assembling unit bid value is less than or equal to the maximum absolute value that allows charge power of this battery energy storage unit;
In described step B15 and B25, active power equilibrium of supply and demand constraints is: the power command value summation of each battery energy storage unit equals the frequency modulation active power requirements of current battery energy storage power station.
4. the method as described in claim 1 or 3, is characterized in that,
The concrete grammar of described step B14 comprises: the battery energy storage unit of selecting discharge power characteristic value maximum from violate the maximum each battery energy storage unit that allows discharge power constraints of battery energy storage unit, if while having more than one battery energy storage unit to satisfy condition, therefrom choose again the battery energy storage unit of a state-of-charge value maximum, then allow discharge power to be made as its power command value the maximum of this unit; And recalculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows discharge power by following formula:
The concrete grammar of described step B15 comprises: if judge the power command value of each battery energy storage unit total and while not meeting active power equilibrium of supply and demand constraints, recalculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows discharge power by following formula:
The concrete grammar of described step B24 comprises: the battery energy storage unit of selecting charge power characteristic value maximum from violate the maximum each battery energy storage unit that allows charge power constraints of battery energy storage unit, if while having more than one battery energy storage unit to satisfy condition, therefrom choose again the battery energy storage unit of a state-of-charge value minimum, then allow charge power to be made as its power command value the maximum of this unit; And recalculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows charge power by following formula:
The concrete grammar of described step B25 comprises: if when judging the summation of the power command value of each battery energy storage unit and not meeting active power equilibrium of supply and demand constraints, recalculated all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows charge power by following formula:
Above-mentioned various in, u
jfor the controllable state value of j battery energy storage unit, in the time that this battery energy storage unit can participate in frequency modulation, this state value is 1, otherwise is 0; SOC
j, SOD
jbe respectively charged, the discharge condition value of j battery energy storage unit; L is all battery energy storage unit numbers in battery energy storage power station;
the maximum that is respectively i battery energy storage unit allows to put, charge power;
the maximum that is respectively j battery energy storage unit allows to put, charge power;
for the frequency modulation of battery energy storage power station active power requirements.
5. for a battery energy storage power station power control system for frequency modulation, it is characterized in that, this system comprises:
Communication module, for reading in real time the frequency modulation active power requirements of battery energy storage power station and the relevant service data in this power station, and exports the power command value of each battery energy storage unit to battery energy storage power station;
Data storage and management module, relevant service data for the frequency modulation of storage battery energy-accumulating power station with active power requirements and this power station, and the power command value of each battery energy storage unit that frequency modulation power division control module is returned reaches communication module after gathering; With
Frequency modulation power division control module, for judging the state of battery energy storage power station according to frequency modulation with active power requirements, and the power command value of each battery energy storage unit in battery energy storage power station while calculating corresponding state;
Described frequency modulation power division control module comprises:
Judge module, for judging the state of current battery energy storage power station: when the frequency modulation active power requirements of battery energy storage power station on the occasion of time, represent that this battery energy storage power station will, in discharge condition, calculate the power command value of each battery energy storage unit by the first Executive Module; In the time that the frequency modulation of battery energy storage power station is negative value with active power requirements, represent that this battery energy storage power station will, in charged state, calculate the power command value of each battery energy storage unit by the second Executive Module; In the time that the frequency modulation of battery energy storage power station is zero with active power requirements, represent that this battery energy storage power station will, in zero power phase, arrange the power command value of each battery energy storage unit by the 3rd Executive Module;
The first Executive Module, for when the frequency modulation of battery energy storage power station with active power requirements be on the occasion of time, calculate the power command value of each battery energy storage unit;
The second Executive Module, in the time that the frequency modulation of battery energy storage power station is negative value with active power requirements, calculates the power command value of each battery energy storage unit;
The 3rd Executive Module, in the time that the frequency modulation of battery energy storage power station is zero with active power requirements, the power command value that all battery energy storage units are set is zero.
6. system as claimed in claim 5, is characterized in that, described the first Executive Module comprises:
First judges submodule, allow discharge power constraints for the maximum that current battery energy storage power station is set, and judge whether frequency modulation active power requirements meets this constraints, if violate this constraints, calculate the power command value of all battery energy storage units in battery energy storage power station by the first calculating sub module; Otherwise calculate the power command value of all battery energy storage units in battery energy storage power station by the second calculating sub module;
The first calculating sub module, for allowing discharge power to be made as the power command value of corresponding unit the maximum of battery energy storage unit;
The second calculating sub module, carries out initialization for battery energy storage power station being limited in to the maximum battery energy storage unit quantity that allows discharge power, and calculates the power command value of all battery energy storage units in battery energy storage power station;
Second judges submodule, be used for arranging the maximum discharge power constraints that allows of battery energy storage unit, and according to this constraints, all battery energy storage units in battery energy storage power station are judged, if there is the battery energy storage unit of violating this constraints, first recalculate the power command value of the battery energy storage unit of violating this constraints by the 3rd calculating sub module, proceed judgement by this submodule again, until the power command value of all battery energy storage units all meets when battery energy storage unit is maximum allows discharge power constraints, judge that by the 3rd submodule judges,
The 3rd calculating sub module, for calculating the discharge power characteristic value of violating the maximum each battery energy storage unit that allows discharge power constraints of battery energy storage unit; And from violate the maximum each battery energy storage unit that allows discharge power constraints of battery energy storage unit, select a battery energy storage unit based on greedy algorithm, allow discharge power as its power command value the maximum of this unit, calculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows discharge power;
The 3rd judges submodule, be used for arranging active power equilibrium of supply and demand constraints, and whether the power command value summation that judges each battery energy storage unit meets this constraints, if violation constraints, is redefined all the other and is not limited in the power command value of the maximum each battery energy storage unit that allows discharge power by the 4th calculating sub module; Otherwise, finish judgement; With
The 4th calculating sub module, the power command value that is not limited in the maximum each battery energy storage unit that allows discharge power for calculating all the other, thus finally determine the power command value of each lithium battery energy storage battery unit;
Described the second Executive Module comprises:
The 4th judges submodule, allow charge power constraints for the maximum that current battery energy storage power station is set, and judge whether frequency modulation active power requirements meets this constraints, if violation constraints, calculates the power command value of all battery energy storage units by the 5th calculating sub module; Otherwise calculate the power command value of all battery energy storage units in battery energy storage power station by the 6th calculating sub module;
The 5th calculating sub module, for allowing charge power to be made as the power command value of corresponding unit the maximum of battery energy storage unit;
The 6th calculating sub module, carries out initialization for battery energy storage power station being limited in to the maximum battery energy storage unit quantity that allows charge power, and calculates the power command value of all battery energy storage units in battery energy storage power station;
The 5th judges submodule, be used for arranging the maximum charge power constraints that allows of battery energy storage unit, and according to this constraints, all battery energy storage units in battery energy storage power station are judged, if there is the battery energy storage unit of violating this constraints, first recalculate the power command value of the battery energy storage unit of violating this constraints by the 7th calculating sub module, proceed judgement by this submodule again, until the power command value of all battery energy storage units all meets when battery energy storage unit is maximum allows charge power constraints, judge that by the 6th submodule judges,
The 7th calculating sub module, for calculating the charge power characteristic value of violating the maximum each battery energy storage unit that allows charge power constraints of battery energy storage unit; And from violate the maximum each battery energy storage unit that allows charge power constraints of battery energy storage unit, select a battery energy storage unit based on greedy algorithm, allow charge power as its power command value the maximum of this unit, calculate all the other and be not limited in the power command value of the maximum each battery energy storage unit that allows charge power;
The 7th judges submodule, for the constraints of the active power equilibrium of supply and demand is set, and according to this constraints, power command value to battery energy storage unit and judge, if violation constraints, is redefined all the other and is not limited in the power command value of the maximum each battery energy storage unit that allows charge power by the 8th calculating sub module;
The 8th calculating sub module, the power command value that is not limited in the maximum each lithium battery energy storage battery unit that allows charge power for calculating all the other, finally to determine the power command value of each lithium battery energy storage battery unit.
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| CN104767197B (en) * | 2014-01-06 | 2017-05-03 | 北京源深节能技术有限责任公司 | Primary frequency regulation synchronous response method and device |
| CN104065095B (en) * | 2014-05-26 | 2016-08-17 | 国家电网公司 | A kind of battery energy storage system auxiliary primary frequency regulation optimal control method |
| CN108832646B (en) * | 2018-06-11 | 2019-11-08 | 国网山东省电力公司 | A kind of management system and its method suitable for dynamically reconfigurable battery energy storage system |
| CN109088417B (en) * | 2018-08-07 | 2021-12-17 | 中国电力科学研究院有限公司 | Method and device for enabling energy storage system to participate in regional power grid frequency modulation |
| CN109212420B (en) * | 2018-09-11 | 2024-01-02 | 深圳市科陆电子科技股份有限公司 | SOC correction method based on AGC frequency modulation energy storage system |
| CN109120035A (en) * | 2018-09-11 | 2019-01-01 | 深圳市科陆电子科技股份有限公司 | SOC balance control method in battery box system |
| CN109861238B (en) * | 2019-04-19 | 2020-12-04 | 国网湖南省电力有限公司 | Automatic power generation and voltage coordination control method, system and medium for energy storage power station |
| CN109904867B (en) * | 2019-04-19 | 2020-08-25 | 国网浙江省电力有限公司电力科学研究院 | Energy storage power station adjustable power correction method |
| CN110441594A (en) * | 2019-08-13 | 2019-11-12 | 威胜集团有限公司 | Electric vehicle charging behavior monitoring method, device and computer readable storage medium |
| CN112886714B (en) * | 2021-01-18 | 2022-07-12 | 国网浙江省电力有限公司电力科学研究院 | Power grid side energy storage power station composite function auxiliary decision-making method |
| CN113131502B (en) * | 2021-04-23 | 2022-06-24 | 广东电网有限责任公司电力调度控制中心 | Double-layer power coordination distribution method and device for centralized energy storage power station |
| CN114069676B (en) * | 2021-11-19 | 2023-11-28 | 许继集团有限公司 | Battery energy storage power station AGC control method based on SOC equipartition |
| CN114006442A (en) * | 2021-11-26 | 2022-02-01 | 国网甘肃省电力公司电力科学研究院 | Battery energy storage power station energy management method considering charge state consistency |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157985A (en) * | 2011-04-20 | 2011-08-17 | 中国电力科学研究院 | Battery power control method for types of high-capacity megawatt battery energy storage power stations |
| CN102208818A (en) * | 2011-06-03 | 2011-10-05 | 中国电力科学研究院 | Wavelet-filtering-based output smoothing control method for megawatt wind/solar/battery power generation system |
| CN102214934A (en) * | 2011-06-03 | 2011-10-12 | 中国电力科学研究院 | Smooth wind-optical generated output control method based on megawatt-grade battery energy-storage power station |
-
2011
- 2011-12-31 CN CN201110459445.2A patent/CN103187806B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157985A (en) * | 2011-04-20 | 2011-08-17 | 中国电力科学研究院 | Battery power control method for types of high-capacity megawatt battery energy storage power stations |
| CN102208818A (en) * | 2011-06-03 | 2011-10-05 | 中国电力科学研究院 | Wavelet-filtering-based output smoothing control method for megawatt wind/solar/battery power generation system |
| CN102214934A (en) * | 2011-06-03 | 2011-10-12 | 中国电力科学研究院 | Smooth wind-optical generated output control method based on megawatt-grade battery energy-storage power station |
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