CN110190635A - More power dispatching station AGC of frequency modulation assisted hatching are supported to unify frequency modulation control methods, devices and systems - Google Patents

More power dispatching station AGC of frequency modulation assisted hatching are supported to unify frequency modulation control methods, devices and systems Download PDF

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Publication number
CN110190635A
CN110190635A CN201910576118.1A CN201910576118A CN110190635A CN 110190635 A CN110190635 A CN 110190635A CN 201910576118 A CN201910576118 A CN 201910576118A CN 110190635 A CN110190635 A CN 110190635A
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China
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frequency modulation
dispatching station
power dispatching
agc
control
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CN201910576118.1A
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CN110190635B (en
Inventor
胡亚平
刘映尚
周华锋
张昆
刘起兴
辛阔
金朝意
顾慧杰
高红亮
聂涌泉
彭超逸
陈根军
刘恺
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China Southern Power Grid Co Ltd
NR Engineering Co Ltd
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China Southern Power Grid Co Ltd
NR Engineering Co Ltd
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Priority to CN201910576118.1A priority Critical patent/CN110190635B/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

This application involves a kind of more power dispatching station AGC for supporting frequency modulation assisted hatching to unify frequency modulation control method, apparatus, system, computer equipment and storage medium.The described method includes: obtaining power grid real-time frequency, and the frequency regulatory demand of power grid is determined according to power grid real-time frequency；Obtain the operation information for settling accounts fruit and each power dispatching station AGC out of unified frequency modulation assisted hatching, according to frequency regulatory demand, the frequcny modulation data for each power dispatching station AGC for going out to settle accounts fruit and participating in unified frequency modulation control, the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control is obtained；District control deviation is sent to the corresponding power dispatching station AGC for participating in unified frequency modulation control, by the corresponding power dispatching station AGC for participating in unified frequency modulation control, region is obtained according to district control deviation and increases frequency modulation demand newly, and gives subordinate's generator unit according to going out to settle accounts fruit and increase region newly frequency modulation demand assignment.It can quick calling the whole network frequency modulation resource using this method.

Description

More power dispatching station AGC of frequency modulation assisted hatching are supported to unify frequency modulation control Methods, devices and systems
Technical field
This application involves technical field of electric power system control, support the more of frequency modulation assisted hatching more particularly to a kind of Power dispatching station AGC unifies frequency modulation control method, apparatus, system, computer equipment and storage medium.
Background technique
In modern power systems, multiple regions power grid interconnects to form a large-scale power system by interconnection.Although straight Stream transmission of electricity is gradually being applied, but the electric system for exchanging interconnection is still extremely common.In large size exchange interconnected electric power system, by Big in power grid coverage area, substation and power plant's quantity are more, it is wide to be distributed, and can generally be divided into multiple regions power grid, such as China Electric system, power grid is adjusted according to state's tune, net, save adjust, adjust or according to it is total adjust, save adjust, the different brackets adjusted and area, Multiple power dispatching stations are set and are scheduled operation control.
AC network have the consistent mains frequency of the whole network, and large size exchange interconnected electric power system in, often there is Multiple power dispatching stations control electric network active, frequency, and it is soft that these scheduling institutions are equipped with Automatic Generation Control (AGC) Part carries out active power controller by the power plants generating electricity unit or energy storage device administered to the scheduling institution, influence entirely be The mains frequency of system.In order to guarantee that system frequency is stablized in rated frequency specified range, frequency quality is improved, ensures power grid Safe operation exchanges each scheduling institution AGC in interconnected electric power system and needs coordinated control, and accurately insure that electric system has Function balance, avoids overshoot, less stress etc. from adjusting extremely.
Currently, the coordinated control of the more power dispatching station AGC of interconnected network, generally using different parameters, different mode into Row cooperates, i.e. part AGC uses FFC (constant frequency control) scheme control frequency, other AGC as homophony frequency domain Using FTC (constant Tie line Power Control) mode or TBC (interconnection and frequency bias control) mode, pass through consideration Interregional dominant eigenvalues variation to cooperate with homophony frequency domain AGC, the common frequency modulation task for completing system.This control model In each AGC function is opposite opposes, implement and be relatively easy to, but have following defects that and join between the AGC using different mode Number etc. is difficult to accurately adjust, and causes each region when system frequency disturbs that can adjust back and forth, system frequency occurs longer The fluctuation of time；Since each region frequency modulation maldistribution of the resources is even, when frequency disturbance source is in the less region of frequency modulation resource, Frequency modulation demand needs to be transmitted to other regions by dominant eigenvalues variation, is unable to the high-quality frequency modulation in other regions of quick calling Resource；When multiple AGC need to carry out frequency modulation according to the requirement of unified frequency modulation assisted hatching, it is difficult to coordinate each region The frequency modulation amount of subordinate's generator unit.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide a kind of more electric power tune for supporting frequency modulation assisted hatching Degree mechanism AGC unifies frequency modulation control method, apparatus, system, computer equipment and storage medium.
A kind of more power dispatching station AGC supporting frequency modulation assisted hatching unify frequency modulation control method, the method Include:
Power grid real-time frequency is obtained, and determines the frequency regulatory demand of power grid according to the power grid real-time frequency；
The operation information for settling accounts fruit and each power dispatching station AGC out for obtaining unified frequency modulation assisted hatching, Based on the operation information, determines that corresponding power dispatching station AGC is under coordinated control mode and participate in unified frequency modulation control When, according to the frequency regulatory demand, described go out to settle accounts fruit and each power dispatching station AGC for participating in unified frequency modulation control Frequcny modulation data obtains the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control；
The district control deviation is sent to the corresponding power dispatching station AGC for participating in unified frequency modulation control, by institute The corresponding power dispatching station AGC for participating in unified frequency modulation control is stated, according to the district control deviation, obtains the newly-increased tune in region Frequency demand, and according to described clear out as a result, increasing the region newly frequency modulation demand assignment gives subordinate's generator unit.
A kind of more power dispatching station AGC supporting frequency modulation assisted hatching unify frequency modulation control device, described device Include:
Frequency regulatory demand determining module is determined for obtaining power grid real-time frequency, and according to the power grid real-time frequency The frequency regulatory demand of power grid；
District control deviation determining module goes out to settle accounts fruit and each electric power for obtaining unified frequency modulation assisted hatching The operation information of scheduling institution AGC is being based on the operation information, determines that corresponding power dispatching station AGC is in and coordinates control When participating in unified frequency modulation control under molding formula, according to the frequency regulatory demand, described go out to settle accounts fruit and participate in unified frequency modulation The frequcny modulation data of each power dispatching station AGC of control obtains the area for participating in each power dispatching station AGC of unified frequency modulation control Domain control deviation；
District control deviation sending module, for the district control deviation to be sent to the unified frequency modulation control of corresponding participation The power dispatching station AGC of system, by the corresponding power dispatching station AGC for participating in unified frequency modulation control, according to the area Domain control deviation obtains region and increases frequency modulation demand newly, and according to described clear out as a result, increasing the region newly frequency modulation demand assignment Give subordinate's generator unit.
A kind of more power dispatching station AGC supporting frequency modulation assisted hatching unify frequency-modulation control system, the system It include: unified frequency modulation control center, the multiple power dispatching station AGC communicated with the unified frequency modulation control center cluster, with And the generator unit that each power dispatching station AGC is controlled；
The unified frequency modulation control center goes out clearly according to what mains frequency and unified frequency modulation assisted hatching provided As a result, calculating the district control deviation of each power dispatching station AGC；
The frequency modulation control mode of each power dispatching station AGC is one in coordinated control mode and independent control mode Kind；Power dispatching station AGC in coordinated control mode is controlled inclined according to the region that the unified frequency modulation control center issues Difference calculates its region regulatory demand, and is gone out based on what the region regulatory demand and unified frequency modulation assisted hatching provided Clearly as a result, controlling the generator unit that it is managed；Power dispatching station AGC in independent control mode, according to power grid Frequency voluntarily zoning regulatory demand, and the generator unit that it is managed is controlled based on the region regulatory demand.
A kind of computer equipment, including memory and processor, the memory are stored with computer program, the processing Device performs the steps of when executing the computer program
Power grid real-time frequency is obtained, and determines the frequency regulatory demand of power grid according to the power grid real-time frequency；
The operation information for settling accounts fruit and each power dispatching station AGC out for obtaining unified frequency modulation assisted hatching, Based on the operation information, determines that corresponding power dispatching station AGC is under coordinated control mode and participate in unified frequency modulation control When, according to the frequency regulatory demand, described go out to settle accounts fruit and each power dispatching station AGC for participating in unified frequency modulation control Frequcny modulation data obtains the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control；
The district control deviation is sent to the corresponding power dispatching station AGC for participating in unified frequency modulation control, by institute The corresponding power dispatching station AGC for participating in unified frequency modulation control is stated, according to the district control deviation, obtains the newly-increased tune in region Frequency demand, and according to described clear out as a result, increasing the region newly frequency modulation demand assignment gives subordinate's generator unit.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor It is performed the steps of when row
Power grid real-time frequency is obtained, and determines the frequency regulatory demand of power grid according to the power grid real-time frequency；
The operation information for settling accounts fruit and each power dispatching station AGC out for obtaining unified frequency modulation assisted hatching, Based on the operation information, determines that corresponding power dispatching station AGC is under coordinated control mode and participate in unified frequency modulation control When, according to the frequency regulatory demand, described go out to settle accounts fruit and each power dispatching station AGC for participating in unified frequency modulation control Frequcny modulation data obtains the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control；
The district control deviation is sent to the corresponding power dispatching station AGC for participating in unified frequency modulation control, by institute The corresponding power dispatching station AGC for participating in unified frequency modulation control is stated, according to the district control deviation, obtains the newly-increased tune in region Frequency demand, and according to described clear out as a result, increasing the region newly frequency modulation demand assignment gives subordinate's generator unit.
More power dispatching station AGC of above-mentioned support frequency modulation assisted hatching unify frequency modulation control method, apparatus, are System, computer equipment and storage medium, each power dispatching station AGC participate in unified frequency modulation control under coordinated control mode, make Each power dispatching station AGC is obtained according to unified coordination strategy, preferably mutually coordinated, shared frequency modulation task, Ke Yi When power grid occurrence frequency disturbs, quick calling the whole network frequency modulation resource reduces the reciprocal adjusting of each AGC, accelerates system frequency and adjusts Process, and the power generation of each power dispatching station AGC subordinate can be made according to the requirement of unified frequency modulation assisted hatching Unit is according to settling accounts the acceptance of the bid situation in fruit undertakes frequency modulation task out.
Detailed description of the invention
Fig. 1 is to support more power dispatching station AGC of frequency modulation assisted hatching to unify frequency modulation control in one embodiment The structural block diagram of system；
Fig. 2 is to support more power dispatching station AGC of frequency modulation assisted hatching to unify frequency modulation control in one embodiment The flow diagram of method；
Fig. 3 is to support more power dispatching station AGC of frequency modulation assisted hatching to unify frequency modulation control in one embodiment Method is applied to the flow diagram at unified frequency modulation control center；
Fig. 4 is to support more power dispatching station AGC of frequency modulation assisted hatching to unify frequency modulation control in one embodiment Method is applied to the flow diagram of power dispatching station AGC；
Fig. 5 is to support more power dispatching station AGC of frequency modulation assisted hatching to unify frequency modulation control in one embodiment The structural block diagram of device；
Fig. 6 is the internal structure chart of computer equipment in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not For limiting the application.
In one embodiment, it is unified that a kind of more power dispatching station AGC for supporting frequency modulation assisted hatching are provided Frequency-modulation control system, the system include unified frequency modulation control center, and are communicated with unified frequency modulation control center cluster multiple Power dispatching station AGC；Unified frequency modulation control center is provided according to mains frequency and unified frequency modulation assisted hatching It is clear as a result, calculating the district control deviation of each power dispatching station AGC out；The frequency modulation control mode of each power dispatching station AGC For one of coordinated control mode and independent control mode；Power dispatching station AGC in coordinated control mode, according to system The district control deviation that one frequency modulation control center issues calculates its region regulatory demand, and based on region regulatory demand and uniformly Going out of providing of frequency modulation assisted hatching it is clear as a result, controlling the generator unit that it is managed；In independent control mode Power dispatching station AGC, it is managed according to mains frequency voluntarily zoning regulatory demand, and based on region regulatory demand Generator unit controlled.
In one embodiment, as shown in Figure 1, providing a kind of more power scheduling machines for supporting frequency modulation assisted hatching Structure AGC unifies frequency-modulation control system, which includes one unified frequency modulation control center (hereinafter referred to as UFC) and multiple electric power tune Mechanism AGC (AGC number is n in figure, and n is the integer more than or equal to 2) is spent, a unified frequency modulation auxiliary clothes are furthermore additionally added Business market.
It, can be in the operation always adjusted by taking one always reconciles more scheduling institutions exchange interconnected network that multiple province's tune form as an example Increase unified frequency modulation control software in monitoring system (OCS), to establish the unified frequency modulation control center of power grid.Unified frequency modulation control The function of software processed can establish on the basis of the acquisition of the data of OCS system is with monitoring control (SCADA) function, thus with each AGC and the networking of frequency modulation assisted hatching carry out data interaction.Unified frequency modulation control center can obtain electricity by SCADA function The metric data sent in the real-time frequency of net, each AGC calculates and participates in the region control that each AGC of unified frequency modulation needs to undertake Deviation (ACE), and corresponding scheduling institution is transmitted in the form of SCACA analog quantity.
In each power dispatching station AGC, establish the corresponding control zone of scheduling institution, under include this scheduling institution All generator units for calling of administration, generator unit can be generating set or energy storage device.Each AGC being capable of basis What the data and frequency modulation assisted hatching that UFC is issued provided goes out clear as a result, controlling its subordinate's generator unit.
In frequency modulation assisted hatching, each power dispatching station AGC subordinate in interconnected network is added and is ready that addition mentions For the generator unit of frequency modulation ancillary service, frequency modulation assisted hatching receives the frequency modulation statistical data of each AGC, including each hair The quotation information of electric unit can provide it unified information publication, price is declared, it is clear to go out in advance a few days ago, it is clear in a few days to go out, is examined The functions such as core, clearing, before each clear period out starts, frequency modulation assisted hatching goes out to settle accounts fruit for the whole network to specify title UFC and each AGC are exported and sent to the document form of format.It is settled accounts in fruit out comprising each power dispatching station AGC subordinate The information such as the acceptance of the bid capacity of the acceptance of the bid situation of each generator unit and generator unit of getting the bid.
More power dispatching station AGC of above-mentioned support frequency modulation assisted hatching unify frequency-modulation control system, can make to hand over Flow that multiple power dispatching station AGC in interconnected electric power system are mutually coordinated, common frequency modulation, and can be auxiliary according to unified frequency modulation The requirement for helping service market makes the generator unit of multiple power dispatching station AGC subordinaties undertake frequency modulation according to its situation of getting the bid and appoints Business.
The more power dispatching station AGC provided by the present application for supporting frequency modulation assisted hatching unify frequency modulation control method, The more power dispatching station AGC that can be applied to support frequency modulation assisted hatching as shown in Figure 1 unify frequency-modulation control system In.In one embodiment, as shown in Fig. 2, providing a kind of more power dispatching station AGC for supporting frequency modulation assisted hatching Unified frequency modulation control method is applied to be illustrated for the UFC in Fig. 1 in this way, includes the following steps S202 to step S206。
S202 obtains power grid real-time frequency, and the frequency regulatory demand of power grid is determined according to power grid real-time frequency；
S204, obtain unified frequency modulation assisted hatching goes out to settle accounts fruit and the operation letter of each power dispatching station AGC Breath is being based on operation information, determines that corresponding power dispatching station AGC is under coordinated control mode and participates in unified frequency modulation control When, according to frequency regulatory demand, the frequency modulation number for each power dispatching station AGC for going out to settle accounts fruit and participating in unified frequency modulation control According to acquisition participates in the district control deviation of each power dispatching station AGC of unified frequency modulation control；
District control deviation is sent to the corresponding power dispatching station AGC for participating in unified frequency modulation control, by right by S206 The power dispatching station AGC of the unified frequency modulation control of the participation answered obtains region and increases frequency modulation demand newly according to district control deviation, And it is clear as a result, increasing region newly frequency modulation demand assignment gives subordinate's generator unit according to going out.
More power dispatching station AGC of above-mentioned support frequency modulation assisted hatching unify frequency modulation control method, each electric power tune Degree mechanism AGC participates in unified frequency modulation control under coordinated control mode, so that each power dispatching station AGC is according to unified coordination Strategy, preferably mutually coordinated, shared frequency modulation task can be when power grid occurrence frequency disturbs, quick calling the whole network tune Frequency resource reduces the reciprocal adjusting of each AGC, accelerates system frequency adjustment process, and can assist taking according to unified frequency modulation It is engaged in the requirement in market, makes the generator unit of each power dispatching station AGC subordinate according to settling accounts the acceptance of the bid situation in fruit out and undertake Frequency modulation task.
In one embodiment, UFC converts the day internal clock of its local zone time for number of seconds, refreshes moment as it, real When be handed down to each power dispatching station AGC.In one embodiment, UFC also gives its operating status real time down to each electric power tune Mechanism AGC is spent, when being abnormal or artificially exiting, each power dispatching station AGC is informed by the operating status that this is issued.
In one embodiment, AGC can be unified frequency modulation state, refresh the moment and non-regulated quantity it is real-time on be sent to UFC.When AGC is in coordinated control mode, determine that the unified frequency modulation state of the AGC is controllable state, when AGC is in independent control When molding formula, determine that the unified frequency modulation state of the AGC is uncontrollable state.AGC can roll over the day internal clock of its local time Calculating is number of seconds, refreshes the moment as it.AGC can also count it according to the control instruction performance of its subordinate's generator unit Non- regulated quantity, non-regulated quantity refer to the active power that each generator unit the last time response region frequency modulation demand of AGC subordinate issues The total amount that control instruction is not yet completed to current time can specifically refer to non-regulation power.
In one embodiment, it is transferred to pause or halted state when AGC is abnormal, or the fortune that the UFC received is issued Row state be exception or when exiting or refreshing moment that the refreshings moment of AGC and UFC are issued by deviation more than or equal to setting When value, AGC is transferred to independent control mode automatically and carries out frequency modulation.To when AGC is abnormal in system or UFC is abnormal When, AGC can be transferred to independent control mode automatically, continue to participate in frequency according to the chirp parameter under the independent control mode pre-established Rate is adjusted, and guarantees that system frequency is continual and steady, has good safety and reliability.Local user can also be according to the above item Part is manually arranged this AGC investment or exits coordinated control mode, exits coordinated control mode and put into independent control mode.
In one embodiment, UFC obtains the operation information of each power dispatching station AGC, including obtains each power scheduling The unified frequency modulation state and day internal clock of mechanism AGC, AGC unified frequency modulation state be controllable state, and the AGC in a few days when Mark and UFC day internal clock deviation when being less than setting value, determine that the AGC be under coordinated control mode participation uniformly frequency modulation control System.
In one embodiment, UFC obtains power grid real-time frequency, and the frequency tune of power grid is determined according to power grid real-time frequency The frequency regulatory demand of section demand, power grid can be calculated according to following formula:
ACEf=10B (f-f0)
Wherein, ACEfIndicate the frequency regulatory demand of power grid, f indicates the real-time measurement data of mains frequency, f0Indicate specified Frequency, B indicate frequency bias coefficient.
It in one embodiment, can go out clear as a result, determining each electric power tune based on unified frequency modulation assisted hatching Spend the Split Factor of mechanism AGC.Frequency modulation assisted hatching goes out to settle accounts in fruit comprising each power dispatching station AGC subordinate Ge Fa The acceptance of the bid capacity of the acceptance of the bid situation of electric unit and generator unit of getting the bid, can also further include each power dispatching station Total acceptance of the bid capacity of total acceptance of the bid capacity and each power dispatching station accounts for the whole network and always gets the bid the ratio of capacity.
Go out clear as a result, determining each power dispatching station AGC Split Factor based on unified frequency modulation assisted hatching, tool Body the following steps are included: each acceptance of the bid generator unit based on each power dispatching station AGC subordinate acceptance of the bid capacity, calculate each electric power The acceptance of the bid capacity summation of all acceptance of the bid generator units of scheduling institution AGC subordinate and all power dispatching station AGC subordinaties The acceptance of the bid capacity summation of all acceptance of the bid generator units；It will be in all acceptance of the bid generator units of each power dispatching station AGC subordinate Capacity summation is marked, the ratio with the acceptance of the bid capacity summation of all acceptance of the bid generator units of all power dispatching station AGC subordinaties, really It is set to the Split Factor of corresponding each power dispatching station AGC.
Specifically, the acceptance of the bid capacity summation of all acceptance of the bid generator units of each power dispatching station AGC subordinate, can according to Lower formula calculates:
Wherein, j indicates the serial number of power dispatching station AGC, CjIndicate that j-th of power dispatching station AGC (is denoted as AGCj) under Belong to the acceptance of the bid capacity summation of all acceptance of the bid generator units, k indicates AGCjThe serial number of subordinate's acceptance of the bid generator unit,Indicate AGCjUnder Belong to the acceptance of the bid capacity of k-th of acceptance of the bid generator unit in acceptance of the bid generator unit.
AGCjSplit Factor βjIt can be calculated according to following formula:
Wherein, ∑jCjIndicate the acceptance of the bid capacity summation of all acceptance of the bid generator units of all power dispatching station AGC subordinaties.
In one embodiment, the frequcny modulation data of each power dispatching station AGC includes non-regulated quantity.UFC can be according to frequency The Split Factor of each power dispatching station AGC of rate regulatory demand, the unified frequency modulation control of participation and non-regulated quantity, are participated in The district control deviation of each power dispatching station AGC of unified frequency modulation control participates in unified adjust specifically includes the following steps: calculating The non-regulated quantity summation of all power dispatching station AGC of frequency control；The non-regulated quantity summation of calculating is total with frequency regulatory demand With the first summation of acquisition；It calculates the first summation and participates in the Split Factor of each power dispatching station AGC of unified frequency modulation control Product obtains the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control.
Specifically, district control deviation can be calculated according to following formula:
Wherein, i indicates to participate in the serial number of the power dispatching station AGC of unified frequency modulation control,Indicate i-th of participation The power dispatching station AGC of unified frequency modulation control (is denoted as AGCi) district control deviation, βiIndicate AGCiSplit Factor, Indicate AGCiNon- regulated quantity,Indicate that the non-regulated quantity for participating in all power dispatching station AGC of unified frequency modulation control is total With.
In one embodiment, district control deviation is handed down to the corresponding electric power tune for participating in unified frequency modulation control by UFC After spending mechanism AGC, AGC is new according to the district control deviation and its non-regulated quantity and coordinated control mode parameter, zoning Increase frequency modulation demand.Specifically includes the following steps: the difference of zoning control deviation and non-regulated quantity, carries out ratio to the difference Operation and integral control action, and result and non-regulated quantity based on ratio control operation and integral control action are controlled, is obtained The region for obtaining power dispatching station AGC increases frequency modulation demand newly.
Specifically, the region for participating in each power dispatching station AGC of unified frequency modulation control increase frequency modulation demand newly can be according to Following formula calculates:
Wherein, ARRiIndicate AGCiRegion increase newly frequency modulation demand, KpIndicate AGCiIn the gain of ratio controlling unit, KiTable Show AGCiIn the gain of integration control link.When the frequency departure of power grid is in different range, different K can be usedpAnd Ki, Kp It is generally near 1.After obtaining the newly-increased frequency modulation demand in region, AGCiPeriod is controlled by ARR at itiIt is handed down to according to certain allocation strategy Existing AGC allocation strategy can be selected in subordinate's generator unit, allocation strategy.
In one embodiment, what each AGC can also be provided according to frequency modulation assisted hatching goes out clear as a result, sending out its subordinate Electric unit is controlled.Specifically, go out settle accounts specified in fruit go out the clear period start when, will acceptance of the bid generator unit be set as silent Recognize hopping pattern, the generator unit that will not get the bid is set as defaulting non-hopping pattern.Go out the acceptance of the bid generator unit of clear period for this, During controlling it, limit deviation between its active power and real-time unscheduled power no more than go out to settle accounts fruit to The acceptance of the bid capacity of the acceptance of the bid generator unit out.
To which each power dispatching station AGC can be carried out according to the fruit that goes out to settle accounts of unified frequency modulation assisted hatching Frequency is adjusted, the generator unit of each power dispatching station AGC subordinate can according to its frequency modulation assisted hatching acceptance of the bid Situation liberally undertakes frequency modulation task.
It in one embodiment, can be according to the mains frequency meter of itself real-time monitoring when AGC is in independent control mode Region regulatory demand is calculated, and is handed down to its lower generator unit and is controlled.This time domain regulatory demand calculation method and distribution plan Summary can continue to use existing AGC strategy.
In one embodiment, the control method of UFC includes the following steps S301 to step S307.
S301 parses clear file.
Before each clear period out starts, UFC needs to read the text clear out that frequency modulation assisted hatching is sent in advance Part, reading at the time of, can be according to the preset periods.When the filename of clear file can be comprising going out clear with unified standard out The character string of segment information.Out in clear file, usually give out the clear period, total acceptance of the bid capacity of each power dispatching station, with And total acceptance of the bid capacity accounts for the whole network and always gets the bid the ratio of capacity, each power dispatching station AGC subordinate generator unit whether in Situation and acceptance of the bid capacity are marked, the Split Factor of each power dispatching station AGC can also be provided.UFC is read from clear file out After information above, goes out to settle accounts fruit to these and carry out plausibility check, if there is exception, alarm notification correlation operations staff.
S302, confirms whether clear file meets service condition.
After UFC completes out clear document analysis, confirmation interface can be provided, reminds total allocation and transportation administrative staff to carry out with alarm true Recognize, settle accounts acceptance of the bid situation that the information for needing to confirm in fruit includes generator unit and the total acceptance of the bid situation of power dispatching station out, Operations staff can judge to settle accounts whether fruit meets service condition according to the operation needs of power grid at that time, if conditions are not met, can It is fed back to frequency modulation assisted hatching, it is desirable that go out again clear and provide and new go out to settle accounts fruit.
S303 judges whether UFC state is operating status.
The cycle of operation of UFC can be set as it is per second, when UFC monitoring frequency measure there are numberical range etc. exception when, UFC automatically exits from operating status, adjusts to avoid mistake.When UFC state out of service, pass through the UFC issued to each AGC Each AGC is informed in state remote signalling, and each AGC will judge in remote signalling accordingly, be transferred to independent frequency modulation control mode.When UFC is in When operating status, into S304, this cycle of operation is otherwise exited.
S304 obtains power grid real-time frequency, and calculates real-time frequency regulatory demand according to power grid real-time frequency.It is specific to calculate Method may refer to previous embodiment, and details are not described herein.
S305, judges whether each AGC participates in unified frequency modulation control.
For each AGC, when the unified frequency modulation state sent thereon is controllable state, and on the markers sent and UFC local day When internal clock deviation is less than setting value, it is believed that the AGC participates in unified frequency modulation control, otherwise it is assumed that the AGC is not involved in unified frequency modulation Control.
S306 calculates the district control deviation for participating in each AGC of unified frequency modulation control.Circular may refer to Previous embodiment, details are not described herein.
Calculated district control deviation is handed down to corresponding AGC by S307.The mode of issuing can be, and region is controlled Deviation is output in SCADA system as an analog quantity, then by dispatch data net, is transmitted to correspondence according to 104 specifications Power dispatching station AGC.
In one embodiment, AGC includes the following steps S401 to step S410 in each execution period.
S401, judges whether AGC is in coordinated control mode.When AGC is arranged to coordinated control mode, enter step S402；Otherwise S408 is entered step.
S402 judges whether UFC is operating status.If the UFC state received is operating status, S403 is entered step； Otherwise it is transferred to and sets independent control mode for AGC automatically, be then return to step S401；
S403 judges AGC whether normal operation.If AGC is in normal operating condition, S404 is entered step；If AGC because It is more than that the reasons such as limit value then issue announcement into abnormal operational conditions for the crucial measurement exception such as frequency, district control deviation It is alert, it is out of service.
S404 counts the non-regulated quantity summation of each generator unit of subordinate, above send to UFC.
S405, the district control deviation issued using coordinated control mode parameter and UFC (ACE), zoning is newly-increased to adjust Frequency demand (ARR).Circular may refer to previous embodiment, and details are not described herein.
S406 judges whether it is clear start time period out.In clear start time period out, S407 is entered step, then Enter step S409；Otherwise S408 is entered step, S409 is then entered step.
S407 carries out the conversion of PLC mode and bandwidth control.
When current time is clear start time period, to subordinate's generator unit PLC according to the acceptance of the bid settled accounts in fruit out Situation carries out mode conversion and control bandwidth setting.For generator unit of getting the bid, default frequency modulation mould is set by corresponding PLC Formula is allowed to go out clear period offer frequency modulation service at this, meanwhile, it is set and adjusts bandwidth as acceptance of the bid capacity.For not middle target hair Electric unit sets corresponding PLC to not default non-hopping pattern, be allowed to this go out the clear period frequency modulation service is not provided, only with It is run with planned value.Adjustment band-width tactics herein are, AGC when controlling PLC, make the real-time active power of PLC with Deviation between plan power output is no more than the adjustment bandwidth being arranged.
S408 increases frequency modulation demand newly using independent control mode parameter zoning control deviation and region.Meter herein Calculation method can continue to use AGC Existing policies.
S409, judges whether current time enters the control period.If so, entering step S410；Otherwise terminate to execute the period.
S410 increases frequency modulation demand and unit planned value newly according to region, calculates generator unit control instruction, and as needed Issue control instruction.AGC Existing policies can also be used in this step.Hereafter, terminate this execution period.
It should be understood that although each step in the flow chart of Fig. 2-4 is successively shown according to the instruction of arrow, These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, at least one in Fig. 2-4 Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively It carries out, but can be at least part of the sub-step or stage of other steps or other steps in turn or alternately It executes.
In one embodiment, as shown in figure 5, providing a kind of more power scheduling machines for supporting frequency modulation assisted hatching Structure AGC unifies frequency modulation control device, comprising: frequency regulatory demand determining module 510,520 and of district control deviation determining module District control deviation sending module 530, in which:
Frequency regulatory demand determining module 510 determines electricity for obtaining power grid real-time frequency, and according to power grid real-time frequency The frequency regulatory demand of net.
District control deviation determining module 520 goes out to settle accounts fruit and each for obtain unified frequency modulation assisted hatching The operation information of power dispatching station AGC is being based on operation information, determines that corresponding power dispatching station AGC is in and coordinates control When participating in unified frequency modulation control under molding formula, according to frequency regulatory demand, goes out to settle accounts fruit and participate in each of unified frequency modulation control The frequcny modulation data of power dispatching station AGC, the region control for obtaining each power dispatching station AGC of the unified frequency modulation control of participation are inclined Difference.
District control deviation sending module 530, for district control deviation to be sent to the unified frequency modulation control of corresponding participation The power dispatching station AGC of system is controlled inclined by the corresponding power dispatching station AGC for participating in unified frequency modulation control according to region Difference obtains region and increases frequency modulation demand newly, and clear as a result, increasing region newly frequency modulation demand assignment gives subordinate's generator unit according to going out.
In one embodiment, the operation information of power dispatching station AGC includes: unified frequency modulation state and refreshes the moment, It is controllable state, and the refreshing moment of power dispatching station AGC and local in the unified frequency modulation state of power dispatching station AGC When refreshing the deviation at moment less than setting value, determines that power dispatching station AGC is under coordinated control mode and participate in unified adjust Frequency controls；At power dispatching station AGC operation exception or the refreshing moment of local runtime exception or power dispatching station AGC And when the local deviation for refreshing the moment is greater than or equal to setting value, determine that power dispatching station AGC is in independent control mode Under be not involved in unified frequency modulation control.
In one embodiment, the frequcny modulation data of each power dispatching station AGC includes non-regulated quantity, and non-regulated quantity is electric power The active power controller that each generator unit the last time response region frequency modulation demand of scheduling institution AGC subordinate issues is instructed to current The total amount that moment not yet completes, district control deviation determining module 520 are also used to: being adjusted based on going out clear as a result, determining and participating in unification The Split Factor of each power dispatching station AGC of frequency control；According to each electric power of frequency regulatory demand, the unified frequency modulation control of participation The Split Factor of scheduling institution AGC and non-regulated quantity obtain the area for participating in each power dispatching station AGC of unified frequency modulation control Domain control deviation.
In one embodiment, the acceptance of the bid feelings that fruit includes: each each generator unit of power dispatching station AGC subordinate are settled accounts out The acceptance of the bid capacity of condition and generator unit of getting the bid, district control deviation determining module 520 are also used to: based on each power scheduling machine The acceptance of the bid capacity of each acceptance of the bid generator unit of structure AGC subordinate, all acceptances of the bid power generation for calculating each power dispatching station AGC subordinate are single The acceptance of the bid capacity summation of all acceptance of the bid generator units of the acceptance of the bid capacity summation and all power dispatching station AGC subordinaties of member； The acceptance of the bid capacity summation that will participate in all acceptance of the bid generator units of each power dispatching station AGC subordinate of unified frequency modulation control, with The ratio of the acceptance of the bid capacity summation of all acceptance of the bid generator units of all power dispatching station AGC subordinaties, is determined to participate in unification The Split Factor of each power dispatching station AGC of frequency modulation control.
In one embodiment, district control deviation determining module 520 is also used to: calculating the institute for participating in unified frequency modulation control There is the non-regulated quantity summation of power dispatching station AGC；It calculates the summation of non-the regulated quantity summation and frequency regulatory demand, obtains the One summation；It calculates first summation and participates in the product of the Split Factor of each power dispatching station AGC of unified frequency modulation control, obtain It must participate in the district control deviation of each power dispatching station AGC of unified frequency modulation control.
In one embodiment, district control deviation sending module 530 is also used to: district control deviation is sent to correspondence The unified frequency modulation control of participation power dispatching station AGC, by the corresponding power dispatching station for participating in unified frequency modulation control AGC calculates the difference of its district control deviation and non-regulated quantity, carries out ratio control operation to the difference and integration control is transported It calculates, and result and non-regulated quantity based on ratio control operation and integral control action, obtains power dispatching station AGC Region increase frequency modulation demand newly, and according to going out clear as a result, increasing the region newly frequency modulation demand assignment gives subordinate's generator unit.Its In, according to going out clear as a result, giving the newly-increased frequency modulation demand assignment in the region to subordinate's generator unit, it specifically may is that and settling accounts fruit It is defined go out clear period when starting, set hopping pattern for acceptance of the bid generator unit, the generator unit that will not get the bid is set as non-tune Frequency mode；It increases region newly frequency modulation demand assignment and gives acceptance of the bid generator unit, the active power and plan of limitation acceptance of the bid generator unit Deviation between value is less than or equal to the acceptance of the bid capacity of acceptance of the bid generator unit.
More power dispatching station AGC about support frequency modulation assisted hatching unify the specific restriction of frequency modulation control device It may refer to the limit for unifying frequency modulation control method above for more power dispatching station AGC of support frequency modulation assisted hatching Fixed, details are not described herein.More power dispatching station AGC of above-mentioned support frequency modulation assisted hatching unify in frequency modulation control device Modules can be realized fully or partially through software, hardware and combinations thereof.Above-mentioned each module can embed in the form of hardware In processor in computer equipment, the memory that can also be stored in a software form in computer equipment In, the corresponding operation of the above modules is executed in order to which processor calls.
In one embodiment, a kind of computer equipment is provided, which can be server, internal junction Composition can be as shown in Figure 6.The computer equipment includes processor, memory and the network interface connected by system bus. Wherein, the processor of the computer equipment is for providing calculating and control ability.The memory of the computer equipment includes non-easy The property lost storage medium, built-in storage.The non-volatile memory medium is stored with operating system and computer program.The built-in storage Operation for operating system and computer program in non-volatile memory medium provides environment.The network of the computer equipment connects Mouth with external terminal by network connection for being communicated.To realize that a kind of support is adjusted when the computer program is executed by processor More power dispatching station AGC of frequency assisted hatching unify frequency modulation control method.
It will be understood by those skilled in the art that structure shown in Fig. 6, only part relevant to application scheme is tied The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
In one embodiment, a kind of computer equipment, including memory and processor are provided, is stored in memory Computer program, the processor perform the steps of when executing computer program
Power grid real-time frequency is obtained, and determines the frequency regulatory demand of power grid according to power grid real-time frequency；
The operation information for settling accounts fruit and each power dispatching station AGC out for obtaining unified frequency modulation assisted hatching, Based on operation information, when determining that corresponding power dispatching station AGC is in participation unification frequency modulation control under coordinated control mode, root According to frequency regulatory demand, the frequcny modulation data for each power dispatching station AGC for going out to settle accounts fruit and participating in unified frequency modulation control, obtain Participate in the district control deviation of each power dispatching station AGC of unified frequency modulation control；
District control deviation is sent to the corresponding power dispatching station AGC for participating in unified frequency modulation control, by corresponding The power dispatching station AGC for participating in unified frequency modulation control obtains region and increases frequency modulation demand, and root newly according to district control deviation It is clear as a result, increasing region newly frequency modulation demand assignment gives subordinate's generator unit according to going out.
In one embodiment, the operation information of power dispatching station AGC includes: unified frequency modulation state and refreshes the moment, Processor execute computer program when also perform the steps of power dispatching station AGC unified frequency modulation state be controllable shape State, and when refreshing moment and the local deviation for refreshing the moment less than setting value of power dispatching station AGC, determine the electric power tune Degree mechanism AGC, which is under coordinated control mode, participates in unified frequency modulation control；In power dispatching station AGC operation exception or locally Operation exception or when refreshing moment and the local deviation for refreshing the moment more than or equal to setting value of power dispatching station AGC, It determines that power dispatching station AGC is under independent control mode and is not involved in unified frequency modulation control.
In one embodiment, the frequcny modulation data of each power dispatching station AGC includes non-regulated quantity, and non-regulated quantity is electric power The active power controller that each generator unit the last time response region frequency modulation demand of scheduling institution AGC subordinate issues is instructed to current The total amount that moment not yet completes, processor also perform the steps of when executing computer program
Based on clear out as a result, determining the Split Factor for participating in each power dispatching station AGC of unified frequency modulation control；
According to the Split Factor of each power dispatching station AGC of frequency regulatory demand, the unified frequency modulation control of participation and not Regulated quantity obtains the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control.
In one embodiment, the acceptance of the bid feelings that fruit includes: each each generator unit of power dispatching station AGC subordinate are settled accounts out The acceptance of the bid capacity of condition and generator unit of getting the bid, processor also perform the steps of when executing computer program
The acceptance of the bid capacity of each acceptance of the bid generator unit based on each power dispatching station AGC subordinate, calculates each power scheduling machine All acceptance of the bid generator units of structure AGC subordinate acceptance of the bid capacity summation and all power dispatching station AGC subordinaties it is all in Mark the acceptance of the bid capacity summation of generator unit；
It will participate in the acceptance of the bid capacity of all acceptance of the bid generator units of each power dispatching station AGC subordinate of unified frequency modulation control Summation, the ratio with the acceptance of the bid capacity summation of all acceptance of the bid generator units of all power dispatching station AGC subordinaties, is determined as joining With the Split Factor of each power dispatching station AGC of unified frequency modulation control.
In one embodiment, calculating is also performed the steps of when processor executes computer program participates in unified frequency modulation The non-regulated quantity summation of all power dispatching station AGC of control；The summation of non-regulated quantity summation and frequency regulatory demand is calculated, Obtain the first summation；Calculate multiplying for the first summation and the Split Factor for each power dispatching station AGC for participating in unified frequency modulation control Product obtains the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control.
In one embodiment, it is also performed the steps of when processor executes computer program and sends out district control deviation The corresponding power dispatching station AGC for participating in unified frequency modulation control is given, by the corresponding electric power tune for participating in unified frequency modulation control Mechanism AGC is spent, the difference of its district control deviation and non-regulated quantity is calculated, ratio control operation and integration control are carried out to difference Operation, and result and non-regulated quantity based on ratio control operation and integral control action, obtain the power dispatching station The region of AGC increases frequency modulation demand newly, and clear as a result, increasing region newly frequency modulation demand assignment gives subordinate's generator unit according to going out.Its In, according to going out clear as a result, giving the newly-increased frequency modulation demand assignment in the region to subordinate's generator unit, it specifically may is that and settling accounts fruit It is defined go out clear period when starting, set hopping pattern for acceptance of the bid generator unit, the generator unit that will not get the bid is set as non-tune Frequency mode；It increases region newly frequency modulation demand assignment and gives acceptance of the bid generator unit, the active power and plan of limitation acceptance of the bid generator unit Deviation between value is less than or equal to the acceptance of the bid capacity of acceptance of the bid generator unit.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated Machine program performs the steps of when being executed by processor
Power grid real-time frequency is obtained, and determines the frequency regulatory demand of power grid according to power grid real-time frequency；
The operation information for settling accounts fruit and each power dispatching station AGC out for obtaining unified frequency modulation assisted hatching, Based on operation information, when determining that corresponding power dispatching station AGC is in participation unification frequency modulation control under coordinated control mode, root According to frequency regulatory demand, the frequcny modulation data for each power dispatching station AGC for going out to settle accounts fruit and participating in unified frequency modulation control, obtain Participate in the district control deviation of each power dispatching station AGC of unified frequency modulation control；
District control deviation is sent to the corresponding power dispatching station AGC for participating in unified frequency modulation control, by corresponding The power dispatching station AGC for participating in unified frequency modulation control obtains region and increases frequency modulation demand, and root newly according to district control deviation It is clear as a result, increasing region newly frequency modulation demand assignment gives subordinate's generator unit according to going out.
In one embodiment, the operation information of power dispatching station AGC includes: unified frequency modulation state and refreshes the moment, The unified frequency modulation state also performed the steps of when computer program is executed by processor in power dispatching station AGC is controllable State, and when refreshing moment and the local deviation for refreshing the moment less than setting value of power dispatching station AGC, determine the electric power Scheduling institution AGC, which is under coordinated control mode, participates in unified frequency modulation control；In power dispatching station AGC operation exception or originally Ground is operating abnormally or the deviation for refreshing moment and local refreshing moment of power dispatching station AGC is more than or equal to setting value When, it determines that power dispatching station AGC is under independent control mode and is not involved in unified frequency modulation control.
In one embodiment, the frequcny modulation data of each power dispatching station AGC includes non-regulated quantity, and non-regulated quantity is electric power The active power controller that each generator unit the last time response region frequency modulation demand of scheduling institution AGC subordinate issues is instructed to current The total amount that moment not yet completes, also performs the steps of when computer program is executed by processor
Based on clear out as a result, determining the Split Factor for participating in each power dispatching station AGC of unified frequency modulation control；
According to the Split Factor of each power dispatching station AGC of frequency regulatory demand, the unified frequency modulation control of participation and not Regulated quantity obtains the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control.
In one embodiment, the acceptance of the bid feelings that fruit includes: each each generator unit of power dispatching station AGC subordinate are settled accounts out The acceptance of the bid capacity of condition and generator unit of getting the bid, also performs the steps of when computer program is executed by processor
The acceptance of the bid capacity of each acceptance of the bid generator unit based on each power dispatching station AGC subordinate, calculates each power scheduling machine All acceptance of the bid generator units of structure AGC subordinate acceptance of the bid capacity summation and all power dispatching station AGC subordinaties it is all in Mark the acceptance of the bid capacity summation of generator unit；
It will participate in the acceptance of the bid capacity of all acceptance of the bid generator units of each power dispatching station AGC subordinate of unified frequency modulation control Summation, the ratio with the acceptance of the bid capacity summation of all acceptance of the bid generator units of all power dispatching station AGC subordinaties, is determined as joining With the Split Factor of each power dispatching station AGC of unified frequency modulation control.
In one embodiment, calculating is also performed the steps of when processor executes computer program participates in unified frequency modulation The non-regulated quantity summation of all power dispatching station AGC of control；The summation of non-regulated quantity summation and frequency regulatory demand is calculated, Obtain the first summation；Calculate multiplying for the first summation and the Split Factor for each power dispatching station AGC for participating in unified frequency modulation control Product obtains the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control.
In one embodiment, it also performs the steps of when computer program is executed by processor by district control deviation It is sent to the corresponding power dispatching station AGC for participating in unified frequency modulation control, by the corresponding electric power for participating in unified frequency modulation control Scheduling institution AGC calculates the difference of its district control deviation and non-regulated quantity, carries out ratio control operation to difference and integral is controlled Operation processed, and result and non-regulated quantity based on ratio control operation and integral control action, obtain the power dispatching station The region of AGC increases frequency modulation demand newly, and clear as a result, increasing region newly frequency modulation demand assignment gives subordinate's generator unit according to going out.Its In, according to going out clear as a result, giving the newly-increased frequency modulation demand assignment in the region to subordinate's generator unit, it specifically may is that and settling accounts fruit It is defined go out clear period when starting, set hopping pattern for acceptance of the bid generator unit, the generator unit that will not get the bid is set as non-tune Frequency mode；It increases region newly frequency modulation demand assignment and gives acceptance of the bid generator unit, the active power and plan of limitation acceptance of the bid generator unit Deviation between value is less than or equal to the acceptance of the bid capacity of acceptance of the bid generator unit.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, To any reference of memory, storage, database or other media used in each embodiment provided herein, Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM (PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms, Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.

Claims (10)

1. a kind of more power dispatching station AGC for supporting frequency modulation assisted hatching unify frequency modulation control method, the method packet It includes:
Power grid real-time frequency is obtained, and determines the frequency regulatory demand of power grid according to the power grid real-time frequency；
The operation information for settling accounts fruit and each power dispatching station AGC out for obtaining unified frequency modulation assisted hatching, is being based on The operation information, when determining that corresponding power dispatching station AGC is in participation unification frequency modulation control under coordinated control mode, root According to the frequency regulatory demand, the frequency modulation of each power dispatching station AGC for settling accounts fruit out and participating in unified frequency modulation control Data obtain the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control；
The district control deviation is sent to the corresponding power dispatching station AGC for participating in unified frequency modulation control, by described right The power dispatching station AGC of the unified frequency modulation control of the participation answered, according to the district control deviation, obtaining the newly-increased frequency modulation in region is needed It asks, and according to described clear out as a result, increasing the region newly frequency modulation demand assignment gives subordinate's generator unit.
2. the method according to claim 1, wherein the operation information of the power dispatching station AGC includes: system One frequency modulation state and refreshing moment, including any one in following two:
It is controllable state in the unified frequency modulation state, and the deviation for refreshing the moment and locally refreshing the moment is less than setting value When, it determines that corresponding power dispatching station AGC is under coordinated control mode and participates in unified frequency modulation control；
At power dispatching station AGC operation exception or local runtime exception or the refreshing moment and the local refreshing When the deviation at moment is greater than or equal to the setting value, determine that corresponding power dispatching station AGC is under independent control mode It is not involved in unified frequency modulation control.
3. the method according to claim 1, wherein the frequcny modulation data include non-regulated quantity, it is described not adjust Amount is the active power control that each generator unit the last time response region frequency modulation demand of the power dispatching station AGC subordinate issues The total amount that system instruction is not yet completed to current time；
According to the frequency regulatory demand, each power dispatching station AGC for settling accounts fruit out and participating in unified frequency modulation control Frequcny modulation data, obtain the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control, comprising:
Based on described clear out as a result, determining the Split Factor for participating in each power dispatching station AGC of unified frequency modulation control；
According to the Split Factor of the frequency regulatory demand, each power dispatching station AGC for participating in unified frequency modulation control with And non-regulated quantity, obtain the district control deviation for participating in each power dispatching station AGC of unified frequency modulation control.
4. according to the method described in claim 3, it is characterized in that, it is described go out to settle accounts fruit include: under each power dispatching station AGC Belong to the acceptance of the bid capacity of the acceptance of the bid situation of each generator unit and generator unit of getting the bid；
Based on described clear out as a result, determining the Split Factor for participating in each power dispatching station AGC of unified frequency modulation control, comprising:
The acceptance of the bid capacity of each acceptance of the bid generator unit based on each power dispatching station AGC subordinate, calculates each power dispatching station AGC The acceptance of the bid capacity summation of all acceptance of the bid generator units of subordinate and all acceptances of the bid hair of all power dispatching station AGC subordinaties The acceptance of the bid capacity summation of electric unit；
The acceptance of the bid capacity that will participate in all acceptance of the bid generator units of each power dispatching station AGC subordinate of unified frequency modulation control is total With, with all acceptance of the bid generator units of all power dispatching station AGC subordinaties acceptance of the bid capacity summation ratio, be determined to participate in The Split Factor of each power dispatching station AGC of unified frequency modulation control.
5. according to the method described in claim 3, it is characterized in that, according to the frequency regulatory demand, the unified tune of the participation The Split Factor of each power dispatching station AGC of frequency control and non-regulated quantity, obtain each electric power for participating in unified frequency modulation control The district control deviation of scheduling institution AGC, comprising:
Calculate the non-regulated quantity summation for participating in all power dispatching station AGC of unified frequency modulation control；
The summation for calculating the non-regulated quantity summation and the frequency regulatory demand, obtains the first summation；
It calculates first summation and participates in the product of the Split Factor of each power dispatching station AGC of unified frequency modulation control, obtain It must participate in the district control deviation of each power dispatching station AGC of unified frequency modulation control.
6. according to the method described in claim 4, uniting it is characterized in that, the district control deviation is sent to corresponding participation The power dispatching station AGC of one frequency modulation control, by the corresponding power dispatching station AGC for participating in unified frequency modulation control, root It according to the district control deviation, obtains region and increases frequency modulation demand newly, and according to described clear out as a result, increasing the region newly frequency modulation Demand assignment gives subordinate's generator unit, comprising:
The district control deviation is sent to the corresponding power dispatching station AGC for participating in unified frequency modulation control, by described right The power dispatching station AGC of the unified frequency modulation control of the participation answered, calculates the difference of its district control deviation and non-regulated quantity, to institute State difference and carry out ratio control operation and integral control action, and based on ratio control operation and integral control action result, And the non-regulated quantity, the region for obtaining power dispatching station AGC increase frequency modulation demand newly, and according to it is described go out it is clear as a result, It increases the region newly frequency modulation demand assignment and gives subordinate's generator unit；
Wherein, according to described clear out as a result, increasing the region newly frequency modulation demand assignment gives subordinate's generator unit, comprising:
It is described go out settle accounts as defined in fruit go out the clear period start when, will acceptance of the bid generator unit be set as hopping pattern, will not get the bid Generator unit is set as non-hopping pattern；
The region is increased newly frequency modulation demand assignment to the acceptance of the bid generator unit, limits the wattful power of the acceptance of the bid generator unit Deviation between rate and planned value is less than or equal to the acceptance of the bid capacity of the acceptance of the bid generator unit.
7. a kind of more power dispatching station AGC for supporting frequency modulation assisted hatching unify frequency modulation control device, which is characterized in that Described device includes:
Frequency regulatory demand determining module determines power grid for obtaining power grid real-time frequency, and according to the power grid real-time frequency Frequency regulatory demand；
District control deviation determining module goes out to settle accounts fruit and each power scheduling for obtaining unified frequency modulation assisted hatching The operation information of mechanism AGC is being based on the operation information, is determining that corresponding power dispatching station AGC is in coordinated control mould When participating in unified frequency modulation control under formula, according to the frequency regulatory demand, described go out to settle accounts fruit and participate in unified frequency modulation control Each power dispatching station AGC frequcny modulation data, obtain the region control for participating in each power dispatching station AGC of unified frequency modulation control Deviation processed；
District control deviation sending module, for the district control deviation to be sent to the corresponding unified frequency modulation control of participation Power dispatching station AGC is controlled by the corresponding power dispatching station AGC for participating in unified frequency modulation control according to the region Deviation processed obtains region and increases frequency modulation demand newly, and goes out to give down as a result, increasing the region newly frequency modulation demand assignment clearly according to described Belong to generator unit.
8. a kind of more power dispatching station AGC for supporting frequency modulation assisted hatching unify frequency-modulation control system, which is characterized in that The system comprises: unified frequency modulation control center, and the multiple electric power tune communicated with the unified frequency modulation control center cluster Spend mechanism AGC；
The unified frequency modulation control center it is clear according to going out of providing of mains frequency and unified frequency modulation assisted hatching as a result, Calculate the district control deviation of each power dispatching station AGC；
The frequency modulation control mode of each power dispatching station AGC is one of coordinated control mode and independent control mode； Power dispatching station AGC in coordinated control mode, the district control deviation issued according to the unified frequency modulation control center Its region regulatory demand is calculated, and is gone out clearly based on what the region regulatory demand and unified frequency modulation assisted hatching provided As a result, controlling the generator unit that it is managed；Power dispatching station AGC in independent control mode, according to power grid frequency Rate voluntarily zoning regulatory demand, and the generator unit that it is managed is controlled based on the region regulatory demand.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists In the step of processor realizes any one of claims 1 to 6 the method when executing the computer program.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program The step of any one of claims 1 to 6 the method is realized when being executed by processor.
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CN112737120B (en) * 2020-12-26 2024-03-22 中国南方电网有限责任公司 Regional power grid control report generation method and device and computer equipment
CN113258617A (en) * 2021-06-16 2021-08-13 南方电网科学研究院有限责任公司 AGC simulation test method, system and related device under UFC mode

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