CN108988359A - Non-linear automatic power generation control method, device, equipment and medium - Google Patents
Non-linear automatic power generation control method, device, equipment and medium Download PDFInfo
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- CN108988359A CN108988359A CN201810864133.1A CN201810864133A CN108988359A CN 108988359 A CN108988359 A CN 108988359A CN 201810864133 A CN201810864133 A CN 201810864133A CN 108988359 A CN108988359 A CN 108988359A
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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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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Abstract
The invention discloses a kind of non-linear automatic power generation control methods, the mains frequency including obtaining control terminal；Wherein, the control terminal includes any one in sending end or receiving end；The frequency bias coefficient B of burden with power variable quantity ratio adjusting electric system different from frequency variation according to electric system actual measurement；Generation Control is carried out to the control terminal power grid according to the frequency bias coefficient B of the electric system.The frequency bias coefficient B of the electric system is surveyed and adjusted according to the electric system of specific scale, it is avoided that under larger burden with power changed power, the generating set active power regulation amount under larger burden with power changed power is calculated according to the B parameter that smaller burden with power changed power situation is adjusted, it will overshoot or the problem of toning, more accurate Generation Control is realized, ensure that the stabilization of mains frequency.
Description
Technical field
The present invention relates to the automatic control technology fields of power system frequency and active power more particularly to non-linear automatic
Electricity-generating control method, device, equipment and medium.
Background technique
With the asynchronous operation of sending end power grid and major network, the frequency stabilization problem of sending end power grid is more prominent, and system is to frequency
The requirement of rate stability is higher and higher, and Automatic Generation Control becomes the weight for maintaining power system frequency stable with its unique advantage
Want tool.Automatic Generation Control abbreviation AGC (Automatic Generation Control), it is Energy Management System
(EMS) important component, its working principle is that sending an instruction to related power generation by the control target at grid height center
Factory or unit realize the automatic control to generator power by power plant or the automatic control and adjustment device of unit.
Corresponding to the different frequency deviation of system, automatic electricity generation control system (AGC) should provide different power regulations
Amount so that frequency stabilization be restored to rated value.In order to determine the AGC power adjustment requirements amount under different frequency deflection condition,
It only needs to find out the frequency response of system, that is, seeks the frequency response characteristic β of electric system.
Existing Automatic Generation Control is modeled as fixed numbers B to power system frequency response characteristic, as B=β, according to B
Parameter calculated ACE (district control deviation) size illustrates the profit and loss actual numerical value of one's respective area power.As B > β, ACE is big
In one's respective area actual power profit and loss amount, thus carrying out control will lead to system overshoot；As B < β, ACE is less than the practical function in one's respective area
Rate profit and loss amount, thus carrying out control will lead to system less stress, and the B value setting method of existing Automatic Generation Control pair is not fine enough,
Only according to the ratio measurement of the lesser burden with power power variation of system and frequency variation under specific run mode, and
This parameter does not characterize the relationship of the larger burden with power power variation of system and frequency variation, therefore, larger active negative
Under lotus changed power, larger burden with power function is calculated according to the B parameter that smaller burden with power changed power situation is adjusted
Generating set active power regulation amount under rate variation, will overshoot or toning, and then affect unit generation control device
Accuracy, therefore, it is necessary to a kind of novel non-linearity automatic power generation control methods, to guarantee the frequency stabilization of power grid.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of non-linear automatic power generation control method, it can be to speed regulation
Device pid parameter optimizes adjustment, and the convergence rate of population and the optimization efficiency of algorithm can be improved.
In a first aspect, the present invention provides a kind of non-linear automatic power generation control methods, comprising: obtain the power grid of control terminal
Frequency；Wherein, the control terminal includes any one in sending end or receiving end；
Burden with power variable quantity ratio different from frequency variation according to electric system actual measurement adjusts electric system
Frequency bias coefficient B；Wherein,Δ f is the difference of real system frequency Yu modular system frequency, f1
And f2Respectively real system frequency, B1、B2And B3For mutually different value.
Generation Control is carried out to the control terminal power grid according to the frequency bias coefficient B of the electric system.
In the first possible implementation of first aspect, the mains frequency for obtaining control terminal；Include:
Obtain the mains frequency that the control terminal is monitored by synchronized phasor monitoring unit.
It may be described according to burden with power variable quantity and frequency variation in implementation at second of first aspect
The frequency bias coefficient B of different ratios adjusting electric system includes:
The different degrees of burden with power variable quantity and frequency variation of electric system actual measurement is calculated according to simulation software
Ratio acquires different ratio；
According to the frequency bias coefficient B of the different ratio adjusting electric system.
It is described according to burden with power variable quantity and frequency variation in the third possible implementation of first aspect
The frequency bias coefficient B of different ratio adjusting electric system further include:
Nonlinear fitting is carried out to frequency response characteristic β according to the frequency bias coefficient B of the electric system.
Second aspect, the embodiment of the invention provides a kind of non-linear automatic power-generating controller for use, comprising:
Frequency acquisition module, for obtaining the mains frequency of control terminal；Wherein, the control terminal includes in sending end or receiving end
Any one；；
Module is adjusted, for the frequency according to the ratio adjusting electric system different from frequency variation of burden with power variable quantity
Rate deviation factor B；Wherein,Δ f is the difference of real system frequency Yu modular system frequency, f1With
f2Respectively real system frequency, B1、B2And B3For mutually different value.
Generation Control module, for being carried out according to the frequency bias coefficient B of the electric system to the control terminal power grid
Generation Control.
In the first possible implementation of second aspect, the frequency acquisition module includes: to obtain by synchronized phasor
Monitoring unit monitors the mains frequency of the control terminal.
In second of possible implementation of second aspect, the adjusting module includes:
The ratio that different degrees of burden with power variable quantity and frequency variation are calculated according to simulation software, acquires not
Same ratio；
According to the frequency bias coefficient B of the different ratio adjusting electric system.
In the third possible implementation of second aspect, the adjusting module further include:
Nonlinear fitting is carried out to frequency response characteristic β according to the frequency bias coefficient B of the electric system.
The third aspect, the embodiment of the invention provides a kind of non-linear Automatic Generation Control equipment, including processor, storage
Device and storage in the memory and are configured as the computer program executed by the processor, and the processor executes
Non-linear automatic power generation control method as described above is realized when the computer program.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage mediums, which is characterized in that the calculating
Machine readable storage medium storing program for executing includes the computer program of storage, wherein controls the computer in computer program operation
Equipment where readable storage medium storing program for executing executes non-linear automatic power generation control method as described above.
One technical solution of above-mentioned technical proposal has the advantages that the mains frequency for obtaining control terminal；Wherein, described
Control terminal includes any one in sending end or receiving end；Burden with power variable quantity and frequency variation according to electric system actual measurement
Different ratios adjusting electric system frequency bias coefficient B；Wherein,Δ f is real system frequency
The difference of rate and modular system frequency, f1And f2Respectively real system frequency, B1、B2And B3For mutually different value.According to
The frequency bias coefficient B of the electric system carries out Generation Control to the control terminal power grid.According to the power train of specific scale
System actual measurement and adjust the frequency bias coefficient B of the electric system, be avoided that under larger burden with power changed power, according to compared with
The B parameter that small burden with power changed power situation is adjusted has to calculate the generating set under larger burden with power changed power
Function power regulation, will overshoot or the problem of toning, realize more accurate Generation Control, ensure that mains frequency
Stablize.
Detailed description of the invention
Fig. 1 is the schematic diagram for the non-linear Automatic Generation Control equipment that first embodiment of the invention provides；
Fig. 2 is the relation schematic diagram of B and β；
Fig. 3 is the non-linear automatic power generation control method flow diagram that second embodiment of the invention provides；
Fig. 4 be second embodiment of the invention provide nonlinear fitting schematic diagram has been carried out to B curve and beta curve；
The frequency response contrast schematic diagram of system after the existing AGC of Fig. 5 and after AGC of the embodiment of the present invention；
Fig. 6 is the frequency response schematic diagram of system after second embodiment of the invention AGC；
Fig. 7 is the structural schematic diagram for the non-linear automatic power-generating controller for use that third embodiment of the invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Those skilled in the art will appreciate that the present invention can be implemented as equipment, method or computer program product.
Therefore, the present disclosure may be embodied in the following forms, it may be assumed that can be complete hardware, be also possible to complete software (including
Firmware, resident software, microcode etc.), it can also be the form that hardware and software combines, referred to generally herein as " circuit ", " mould
Block " or " system ".In addition, in some embodiments, the present invention is also implemented as in one or more computer-readable mediums
In computer program product form, include computer-readable program code in the computer-readable medium.
It can be using any combination of one or more computer-readable media.Computer-readable medium can be calculating
Machine readable signal medium or computer readable storage medium.Computer readable storage medium for example can be --- but it is unlimited
In system, device or the device of --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, or any above combination.It calculates
The more specific example (non exhaustive list) of machine readable storage medium storing program for executing includes: electrical connection with one or more conducting wires, just
Taking formula computer disk, hard disk, random access memory (RAM), read-only memory (ROM), erasable type may be programmed read-only storage
Device (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory device,
Or above-mentioned any appropriate combination.In this document, computer readable storage medium can be it is any include or storage journey
The tangible medium of sequence, the program can be commanded execution system, device or device use or in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including --- but
It is not limited to --- electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be
Any computer-readable medium other than computer readable storage medium, which can send, propagate or
Transmission is for by the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In --- wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
It further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion
Divide and partially executes or executed on a remote computer or server completely on the remote computer on the user computer.?
Be related in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (LAN) or
Wide area network (WAN)-be connected to subscriber computer, or, it may be connected to outer computer (such as mentioned using Internet service
It is connected for quotient by internet).
Below with reference to the method for the embodiment of the present invention, the flow chart of equipment (system) and computer program product and/or
The block diagram description present invention.It should be appreciated that each box in each box and flowchart and or block diagram of flowchart and or block diagram
Combination, can be realized by computer program instructions.These computer program instructions can be supplied to general purpose computer, dedicated
The processor of computer or other programmable data processing units, to produce a kind of virtual machine, these computer programs refer to
It enables and being executed by computer or other programmable data processing units, produced in the box in implementation flow chart and/or block diagram
The device of defined function/operation.
These computer program instructions can also be stored in can make computer or other programmable data processing units
In computer-readable medium operate in a specific manner, in this way, the instruction of storage in computer-readable medium just produces one
Function/operation command device specified in a box including in implementation flow chart and/or block diagram
(instructionmeans) manufacture (manufacture).
Computer program instructions can also be loaded into computer, other programmable data processing units or other equipment
On, so that series of operation steps are executed in computer, other programmable data processing units or other equipment, in terms of generating
The process that calculation machine is realized, so that the instruction executed on a computer or other programmable device is capable of providing implementation flow chart
And/or function/operation process specified in the box in block diagram.
Embodiment one
Referring to Figure 1, Fig. 1 is the schematic diagram for the non-linear Automatic Generation Control equipment that the embodiment of the present invention one provides, and is used
In executing non-linear automatic power generation control method provided in an embodiment of the present invention, as shown in Figure 1, the non-linear Automatic Generation Control
Equipment includes: at least one processor 11, such as CPU, at least one network interface 14 or other users interface 13, memory
15, at least one communication bus 12, communication bus 12 is for realizing the connection communication between these components.Wherein, user interface
13 may include optionally USB interface and other standards interface, wireline interface.Network interface 14 optionally may include Wi-
Fi interface and other wireless interfaces.Memory 15 may include high speed RAM memory, it is also possible to further include non-labile deposit
Reservoir (non-volatilememory), for example, at least a magnetic disk storage.Memory 15 optionally may include at least one
A storage device for being located remotely from aforementioned processor 11.
In some embodiments, memory 15 stores following element, executable modules or data structures, or
Their subset or their superset:
Operating system 151 includes various system programs, for realizing various basic businesses and hardware based of processing
Business；
Program 152.
Specifically, processing 11 executes non-thread described in above-described embodiment for calling the program 152 stored in memory 15
Property automatic power generation control method.
Alleged processor can be central processing unit (Central Processing Unit, CPU), can also be it
His general processor, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng the processor is the control centre of the non-linear automatic power generation control method, whole using various interfaces and connection
The various pieces of a non-linear automatic power generation control method.
The memory can be used for storing the computer program and/or module, and the processor is by operation or executes
Computer program in the memory and/or module are stored, and calls the data being stored in memory, is realized non-thread
The various functions of the electronic device of property Automatic Generation Control.The memory can mainly include storing program area and storing data
Area, wherein storing program area can application program needed for storage program area, at least one function (such as sound-playing function,
Text conversion function etc.) etc.；Storage data area, which can be stored, uses created data (such as audio data, text according to mobile phone
Word message data etc.) etc..In addition, memory may include high-speed random access memory, it can also include non-volatile memories
Device, such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other volatibility are solid
State memory device.
Wherein, if the module that the non-linear Automatic Generation Control integrates is realized in the form of SFU software functional unit and makees
It is independent product when selling or using, can store in a computer readable storage medium.Based on this understanding,
The present invention realizes all or part of the process in above-described embodiment method, can also be instructed by computer program relevant hard
Part is completed, and the computer program can be stored in a computer readable storage medium, which is being located
It manages when device executes, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program generation
Code, the computer program code can be source code form, object identification code form, executable file or certain intermediate forms
Deng.The computer-readable medium may include: any entity or device, record that can carry the computer program code
Medium, USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), with
Machine access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..
It should be noted that the content that the computer-readable medium includes can be according to legislation and patent practice in jurisdiction
It is required that carrying out increase and decrease appropriate, such as in certain jurisdictions, do not wrapped according to legislation and patent practice, computer-readable medium
Include electric carrier signal and telecommunication signal.
Method to describe non-linear Automatic Generation Control according to an embodiment of the present invention below with reference to accompanying drawings.
Embodiment two
It should be noted that β reflects the static change relationship of power and frequency in system, it is had the property that
1) the frequency response characteristic β of electric system is changed over time.β is electric system internal loading and generating set frequency
The summation of rate characteristic, and load and running generating set change over time in electric system.
2) the frequency response characteristic β of electric system is nonlinear.Due to the relationship of power system load power and frequency
It is a polynomial relationship, is nonlinear；And generating set generates electricity due to being influenced by speed-regulating system dead band
The relationship of power and system frequency is also nonlinear.Therefore, their summation β is nonlinear.
In power system computation and control, need to set one and the approximate constant B of β, B is referred to as the frequency of electric system
Rate deviation factor.The relationship of B and β is as shown in Figure 2.The nonlinear characteristic of β can simply be described as close with the increase of Δ f
Like the increase for being in step evolution.
Adjusting based on the existing frequency bias coefficient B to the electric system is set to a certain fixed numbers, power generation
Control will lead to system less stress, and then affect the accuracy of unit generation control device.Referring to Fig. 3, the present invention second is implemented
The non-linear automatic power generation control method flow diagram that example provides；
S11, the mains frequency for obtaining control terminal；Wherein, the control terminal includes any one in sending end or receiving end；
It should be noted that the frequency of monitoring can be receiving end mains frequency, it is also possible to sending end mains frequency.It is controlling
Sending end mains frequency just monitors the frequency of sending end power grid；In control sending end mains frequency, the frequency of sending end power grid is just monitored.
Preferably, the mains frequency for obtaining control terminal includes:
Obtain the mains frequency that the control terminal is monitored by synchronized phasor monitoring unit.
It should be noted that the synchronized phasor monitoring unit PMU be used for synchronize phasor measurement and output and
Carry out the device of dynamically recording.When the core feature of PMU includes synchronous phasor measurement based on standard clock signal, loses standard
Real time communication and related communication protocol can be followed between the punctual ability of clock signal, PMU and main website.Existing PMU is relied on mostly
The GPS system in the U.S. carries out time service, and equipment component has begun using GPS and the double clock synchronizations of dipper system.
S12, the burden with power variable quantity ratio adjusting power train different from frequency variation according to electric system actual measurement
The frequency bias coefficient B of system；Wherein,Δ f is the difference of real system frequency Yu modular system frequency
Value, f1And f2Respectively real system frequency, B1、B2And B3For mutually different value.
Preferably, the frequency according to the ratio adjusting electric system different from frequency variation of burden with power variable quantity
Deviation factor B includes:
The different degrees of burden with power variable quantity and frequency variation of electric system actual measurement is calculated according to simulation software
Ratio acquires different ratio；
According to the frequency bias coefficient B of the different ratio adjusting electric system.
Preferably, the frequency according to the ratio adjusting electric system different from frequency variation of burden with power variable quantity
Deviation factor B further include:
Nonlinear fitting is carried out to frequency response characteristic β according to the frequency bias coefficient B of the electric system.
It should be noted that f is system frequency, B1、B2And B3It can adjust as different value, f1And f2It can adjust as difference
Value.In actually control, the frequency bias coefficient B of the electric system can be three values or more, and the present invention does not make this specifically
It limits, can also include multiple f values, such as f3Deng the present invention is not especially limited this.
In order to simplify the operation difficulty of real system in engineering, it is 3 that the frequency bias coefficient B value of the electric system, which is fixed tentatively,
A, using non-linear line segment come simulation curve, the value of the frequency bias coefficient B value of the electric system must be according to specific
Depending on the electric system actual measurement of scale, as shown in figure 4, to the frequency bias coefficient B value curve and power train of the electric system
The frequency response characteristic beta curve of system has carried out nonlinear fitting, it can thus be appreciated that the frequency bias coefficient B of the electric system can be
Multiple, the frequency bias coefficient B curve of the electric system can form for multistage.
S13, Generation Control is carried out to the control terminal power grid according to the frequency bias coefficient B of the electric system.
Referring to figs. 5 and 6, Fig. 5 is that the frequency response comparison of system is shown after existing AGC and after AGC of the embodiment of the present invention
It is intended to, Fig. 6 is the frequency response schematic diagram of system after second embodiment of the invention AGC.
In Fig. 5, in 17:10:00 between 17:23:20, to be in the prior art that sending end power grid puts into fixed B parameter
The frequency response of system after AGC, it is known that the fluctuation of system frequency is very big, and power quality is caused to be remarkably decreased, and directly affects power supply
Reliability.In Fig. 5, after 17:23:20 and Fig. 6 is the AGC that investment uses net side non-linear frequency deviation factor B parameter
The frequency response of system afterwards, relative to existing, the fluctuation of system frequency is reduced.
Implement the present embodiment to have the following beneficial effects:
Obtain the mains frequency of control terminal；Wherein, the control terminal includes any one in sending end or receiving end；According to electricity
The frequency bias coefficient B of the burden with power variable quantity of Force system actual measurement ratio adjusting electric system different from frequency variation；
Wherein,Δ f is the difference of real system frequency Yu modular system frequency, f1And f2It is respectively practical
System frequency, B1、B2And B3For mutually different value.According to the frequency bias coefficient B of the electric system to the control terminal
Power grid carries out Generation Control.The frequency bias coefficient B of the electric system is surveyed and adjusted according to the electric system of specific scale,
Be avoided that under larger burden with power changed power, according to the B parameter that smaller burden with power changed power situation is adjusted come
Calculate the generating set active power regulation amount under larger burden with power changed power, will overshoot or the problem of toning, it is real
Show more accurate Generation Control, ensure that the stabilization of mains frequency.
It is the structural representation for the non-linear automatic power-generating controller for use that second embodiment of the invention provides referring to Fig. 7, Fig. 7
Figure.Include:
Frequency acquisition module 71, for obtaining the mains frequency of control terminal；Wherein, the control terminal includes sending end or receiving end
In any one；；
Module 72 is adjusted, for according to the ratio adjusting electric system different from frequency variation of burden with power variable quantity
Frequency bias coefficient B；Wherein,Δ f is the difference of real system frequency Yu modular system frequency,
f1And f2Respectively real system frequency, B1、B2And B3For mutually different value.
Generation Control module 73, for according to the frequency bias coefficient B of the electric system to the control terminal power grid into
Row Generation Control.
Preferably, the frequency acquisition module 71 includes: and obtains to monitor the control terminal by synchronized phasor monitoring unit
Mains frequency.
Preferably, the adjusting module 72 includes:
The ratio that different degrees of burden with power variable quantity and frequency variation are calculated according to simulation software, acquires not
Same ratio；
According to the frequency bias coefficient B of the different ratio adjusting electric system.
Preferably, the adjusting module 72 further include:
Nonlinear fitting is carried out to frequency response characteristic β according to the frequency bias coefficient B of the electric system.
One technical solution of above-mentioned technical proposal has the advantages that the mains frequency for obtaining control terminal；Wherein, described
Control terminal includes any one in sending end or receiving end；Burden with power variable quantity and frequency variation according to electric system actual measurement
Different ratios adjusting electric system frequency bias coefficient B；Wherein,Δ f is real system frequency
The difference of rate and modular system frequency, f1And f2Respectively real system frequency, B1、B2And B3For mutually different value.According to
The frequency bias coefficient B of the electric system carries out Generation Control to the control terminal power grid.According to the power train of specific scale
System actual measurement and adjust the frequency bias coefficient B of the electric system, be avoided that under larger burden with power changed power, according to compared with
The B parameter that small burden with power changed power situation is adjusted has to calculate the generating set under larger burden with power changed power
Function power regulation, will overshoot or the problem of toning, realize more accurate Generation Control, ensure that mains frequency
Stablize.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention
In embodiment attached drawing, the connection relationship between module indicate between them have communication connection, specifically can be implemented as one or
A plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, it can understand
And implement.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
It should be noted that in the above-described embodiments, all emphasizing particularly on different fields to the description of each embodiment, in some embodiment
In the part that is not described in, reference can be made to the related descriptions of other embodiments.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related movement and simulation must be that the present invention must
Must.
Claims (10)
1. a kind of non-linear automatic power generation control method characterized by comprising
Obtain the mains frequency of control terminal；Wherein, the control terminal includes any one in sending end or receiving end；
The frequency of burden with power variable quantity ratio adjusting electric system different from frequency variation according to electric system actual measurement
Deviation factor B；Wherein,Δ f is the difference of real system frequency Yu modular system frequency, f1And f2
Respectively real system frequency, B1、B2And B3For mutually different value；
Generation Control is carried out to the control terminal power grid according to the frequency bias coefficient B of the electric system.
2. non-linear automatic power generation control method according to claim 1, which is characterized in that the electricity for obtaining control terminal
Net frequency includes:
Obtain the mains frequency that the control terminal is monitored by synchronized phasor monitoring unit.
3. non-linear automatic power generation control method according to claim 1, which is characterized in that described to become according to burden with power
The frequency bias coefficient B of change amount different from frequency variation ratio adjusting electric system includes:
The ratio of the different degrees of burden with power variable quantity and frequency variation of electric system actual measurement is calculated according to simulation software,
Acquire different ratio；
According to the frequency bias coefficient B of the different ratio adjusting electric system.
4. non-linear automatic power generation control method according to claim 1, which is characterized in that described to become according to burden with power
The frequency bias coefficient B of change amount ratio adjusting electric system different from frequency variation further include:
Nonlinear fitting is carried out to frequency response characteristic β according to the frequency bias coefficient B of the electric system.
5. a kind of non-linear automatic power-generating controller for use characterized by comprising
Frequency acquisition module, for obtaining the mains frequency of control terminal；Wherein, the control terminal includes times in sending end or receiving end
Meaning one；；
Module is adjusted, it is inclined for the frequency according to the ratio adjusting electric system different from frequency variation of burden with power variable quantity
Poor coefficient B；Wherein,Δ f is the difference of real system frequency Yu modular system frequency, f1And f2Point
Not Wei real system frequency, B1、B2And B3For mutually different value.
Generation Control module, for being generated electricity according to the frequency bias coefficient B of the electric system to the control terminal power grid
Control.
6. non-linear automatic power-generating controller for use according to claim 5, which is characterized in that the frequency acquisition module packet
It includes: obtaining the mains frequency for monitoring the control terminal by synchronized phasor monitoring unit.
7. non-linear automatic power generation control method according to claim 1, which is characterized in that the adjusting module includes:
The ratio that different degrees of burden with power variable quantity and frequency variation are calculated according to simulation software, acquires different
Ratio；
According to the frequency bias coefficient B of the different ratio adjusting electric system.
8. non-linear automatic power generation control method according to claim 5, which is characterized in that the adjusting module is also wrapped
It includes:
Nonlinear fitting is carried out to frequency response characteristic β according to the frequency bias coefficient B of the electric system.
9. a kind of non-linear Automatic Generation Control equipment, including processor, memory and storage in the memory and by
It is configured to the computer program executed by the processor, is realized when the processor executes the computer program as right is wanted
Non-linear automatic power generation control method described in asking any one of 1 to 4.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium includes the calculating of storage
Machine program, wherein equipment where controlling the computer readable storage medium in computer program operation is executed as weighed
Benefit require any one of 1 to 4 described in non-linear automatic power generation control method.
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