CN110134996A - Dynamic regulating method, device and the storage medium of speed change pump-storage generator - Google Patents

Dynamic regulating method, device and the storage medium of speed change pump-storage generator Download PDF

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Publication number
CN110134996A
CN110134996A CN201910289361.5A CN201910289361A CN110134996A CN 110134996 A CN110134996 A CN 110134996A CN 201910289361 A CN201910289361 A CN 201910289361A CN 110134996 A CN110134996 A CN 110134996A
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unit
speed
power
revolving speed
target value
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CN110134996B (en
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邹金
朱继忠
谢平平
禤培正
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China Southern Power Grid Co Ltd
Research Institute of Southern Power Grid Co Ltd
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China Southern Power Grid Co Ltd
Research Institute of Southern Power Grid Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16Mechanical energy storage, e.g. flywheels or pressurised fluids

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Water Turbines (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

The invention discloses a kind of dynamic regulating methods of speed change pump-storage generator, are related to the control field of speed change pump-storage generator, the method comprising the steps of: obtaining the characteristic curve of pump turbine;The characteristic curve is unit speed-specific torque characteristic curve of the pump turbine;Relationship according to the characteristic curve, between unit of account power and unit speed;Based on the relationship, the transformational relation between target unit power and target unit revolving speed is obtained;According to the transformational relation and power target value, revolving speed target value corresponding with the power target value is determined;Wherein, according to the measurement to wind-powered electricity generation fluctuation signal to obtain the power target value;According to the revolving speed target value, the speed change pump-storage generator revolving speed is adjusted.The embodiment of the invention also provides the dynamic regulation devices and storage medium of speed change pump-storage generator, can effectively reduce influence of the wind-powered electricity generation fluctuation to system, can effectively reduce wind-powered electricity generation fluctuation frequency departure caused by system.

Description

Dynamic regulating method, device and the storage medium of speed change pump-storage generator
Technical field
The present invention relates to the dynamic of the control field of speed change pump-storage generator more particularly to a kind of speed change pump-storage generator State adjusting method, device and storage medium.
Background technique
The dynamic regulation effect of pump-storage generator highlights under large-scale wind power integration.What speed change pump-storage generator used Pump turbine runner and conventional reversible formula pump turbine runner and indistinction, generator motor then use doubly-fed control skill Art, motor electromagnetic power and pump turbine mechanical output decouple, to realize the variable-speed operation of unit.According to reversible water For pump turbine in the operation characteristic in water pump area, the variation of generating unit speed will also cause unit to draw water the variation of power, so that Unit obtains power regulation ability under pumping operation mode.
During embodiment, inventors have found that being limited by the intrinsic operation characteristic of pump turbine, conventional reversible Power of the formula unit under pumping operation mode is not adjustable, and system frequency regulating power is limited, and system is caused to be fluctuated by wind-powered electricity generation It is affected.
Summary of the invention
The embodiment of the present invention provides dynamic regulating method, device and the storage medium of a kind of speed change pump-storage generator, energy Influence of the wind-powered electricity generation fluctuation to system is effectively reduced, wind-powered electricity generation fluctuation frequency departure caused by system can be effectively reduced.
The embodiment of the present invention provides a kind of dynamic regulating method of speed change pump-storage generator, comprising steps of
Obtain the characteristic curve of pump turbine;Wherein, the characteristic curve is the unit speed-of the pump turbine Specific torque characteristic curve;
According to the characteristic curve, the relationship between the unit power and unit speed of the pump turbine is calculated;
Based on the relationship between the unit power and unit speed, obtain target unit power and target unit revolving speed it Between transformational relation;
According to the transformational relation and power target value, revolving speed target value corresponding with the power target value is determined;Its In, the power target value is obtained according to the measurement to wind-powered electricity generation fluctuation signal;
According to the revolving speed target value, the speed change pump-storage generator revolving speed is adjusted.
As an improvement of the above scheme, the unit power, the unit and the specific torque revolving speed meet relationship:
P11=N11·M11
Wherein, P11For the unit power;N11For the unit speed;M11For the specific torque;N is the unit Revolving speed;mtFor the mechanical force moment of unit;H is the water inlet hydraulic pressure;P is the power that draws water;DrefFor runner diameter.
As an improvement of the above scheme, the relationship based between the unit power and the unit speed, obtains Transformational relation between target unit power and target unit revolving speed, comprising steps of
According to the unit power and the unit speed, the relationship for obtaining the unit power and the unit speed is bent Line;
Relation curve based on the unit power and unit speed obtains the target unit power and the target list The relation curve of position revolving speed, using as the transformational relation between the target unit power and target unit revolving speed.
As an improvement of the above scheme, the power target value and the revolving speed target value meet relationship:
Wherein, P*For the power target value;n*For the revolving speed target value;For the target unit power; For the target unit revolving speed;H is the water inlet hydraulic pressure;P is the power that draws water;DrefFor runner diameter.
As an improvement of the above scheme, described according to the revolving speed target value, it adjusts the speed change pump-storage generator and turns Speed, comprising steps of
According to the revolving speed target value, the speed change pump-storage generator revolving speed current value and the revolving speed target value are determined Difference, to obtain corresponding deviation signal;
According to the deviation signal, the electromagnetic torque of the double feedback electric engine of the speed change pump-storage generator is adjusted by PI.
The embodiment of the invention also provides a kind of dynamic regulation devices of speed change pump-storage generator, comprising:
Data acquisition module, for obtaining the characteristic curve of pump turbine;Wherein, the characteristic curve is the water pump The unit speed of the hydraulic turbine-specific torque characteristic curve;
First computing module, for calculating the unit power and unit of the pump turbine according to the characteristic curve Relationship between revolving speed;
Second computing module, for obtaining target unit function based on the relationship between the unit power and unit speed Transformational relation between rate and target unit revolving speed;
Third computing module is used for according to the transformational relation and power target value, the determining and power target value phase The revolving speed target value answered;
Control module, for adjusting the speed change pump-storage generator revolving speed according to the revolving speed target value.
The embodiment of the invention also provides a kind of dynamic regulation device of speed change pump-storage generator, including processor, deposit Reservoir and storage in the memory and are configured as the computer program executed by the processor, and the processor is held Dynamic regulating method described in any one as above is realized when the row computer program.
The embodiment of the invention also provides a kind of computer readable storage medium, the computer readable storage medium includes The computer program of storage, wherein control in computer program operation and set where the computer readable storage medium It is standby to execute dynamic regulating method described in any one as above.
Compared with prior art, a kind of dynamic regulating method of speed change pump-storage generator provided in an embodiment of the present invention, Device and storage medium obtain target unit power by the relationship between the unit power and unit speed of pump turbine With the transformational relation between target unit revolving speed, to determine corresponding revolving speed mesh according to the transformational relation and power target value Scale value is simultaneously adjusted the speed change pump-storage generator revolving speed.It is adjusted since the revolving speed to variable units carries out dynamic in real time Section, changes the power that draws water of unit, is fluctuated with the wind-powered electricity generation of matching system, and realization puts down wind power fluctuation under pumping operation mode Suppression solves the problems, such as that water-storage can not fluctuate wind-powered electricity generation under pumping operation mode and is adjusted, to reduce wind-powered electricity generation fluctuation pair The influence of system can effectively reduce wind-powered electricity generation fluctuation frequency departure caused by system.
Detailed description of the invention
Fig. 1 is a kind of process signal of the dynamic regulating method for speed change pump-storage generator that the embodiment of the present invention 1 provides Figure.
Fig. 2 is the preferred flow schematic diagram of the step S150 of dynamic regulating method as shown in Figure 1.
Fig. 3 is the preferred control block diagram of dynamic regulating method as shown in Figure 1.
Fig. 4 is a kind of step S130 of the dynamic regulating method for speed change pump-storage generator that the embodiment of the present invention 3 provides Flow diagram.
Fig. 5 is a kind of structural representation of the dynamic regulation device for speed change pump-storage generator that the embodiment of the present invention 4 provides Figure.
Fig. 6 is a kind of structural representation of the dynamic regulation device for speed change pump-storage generator that the embodiment of the present invention 5 provides Figure.
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.
The embodiment of the present invention 1 provides a kind of dynamic regulating method of speed change pump-storage generator.It is described referring to Fig. 1 Dynamic regulating method includes step S110 to step S150.
S110, the characteristic curve for obtaining pump turbine;Wherein, the characteristic curve is the unit of the pump turbine Revolving speed-specific torque characteristic curve.
Wherein, the characteristic curve, which can be, in advance calculates the relevant parameter of the pump turbine, thus The unit speed-specific torque the characteristic curve arrived.Or the relevant parameter of the pump turbine is directly acquired, thus To the characteristic curve.For example, the characteristic that pump turbine manufacturer often provides the pump turbine of respective model is bent Line.It is to be appreciated that the characteristic approach of the above-mentioned acquisition pump turbine is only for example, do not constitute to we The limitation of case.
S120, according to the characteristic curve, calculate the pass between the unit power and unit speed of the pump turbine System.
For example, it may be handling the characteristic curve, so that the unit power-for obtaining the pump turbine is mono- Position rotation speed relation curve, is embodied between the unit power and unit speed with the unit power-unit speed relation curve Relationship.It is to be appreciated that can also be in the form of the relation function between the unit power and the unit speed, body Relationship between the existing unit power and unit speed does not influence the obtainable beneficial effect of the present invention.
S130, based on the relationship between the unit power and unit speed, obtain target unit power and target unit Transformational relation between revolving speed.
According to the unit power and the unit speed obtained, the unit power and the unit can be determined Relationship between revolving speed, so according to the relationship can further obtain the target unit power and target unit revolving speed it Between transformational relation.
For example, it may be being fitted according to the unit power and the unit speed, the relation curve obtained from Relation curve as the transformational relation.It can also be by obtaining the feelings different in the guide vane opening of the pump turbine The data of unit power and the unit described in multiple groups are obtained under condition, so that a plurality of relationship for obtaining corresponding to different guide vane openings is bent Line is fitted a plurality of relation curve, to obtain the relation curve of the transformational relation, not influencing the present invention can The beneficial effect of acquirement.
S140, according to the transformational relation and power target value, determine revolving speed target corresponding with the power target value Value;Wherein, according to the measurement to wind-powered electricity generation fluctuation signal to obtain the power target value.
According to the measurement to the wind-powered electricity generation fluctuation signal, the power target value is obtained.To with the power target value As the input of the transformational relation, revolving speed target value corresponding with the power target value is obtained.
S150, according to the revolving speed target value, adjust the speed change pump-storage generator revolving speed.
Adjustment to the revolving speed can be the revolving speed current value according to the speed change pump-storage generator revolving speed, with institute It states revolving speed target value to be compared, to obtain the adjustable strategies to the speed change pump-storage generator revolving speed.
Preferably, referring to fig. 2, step S150 may include step S151 to step S152.
S151, according to the revolving speed target value, determine the speed change pump-storage generator revolving speed current value and the revolving speed The difference of target value, to obtain corresponding deviation signal.
S152, according to the deviation signal, the electromagnetism of the double feedback electric engine of the speed change pump-storage generator is adjusted by PI Torque.
Negative feedback closed loop is formed by the speed feedback of the pump turbine, generating unit speed is made to follow the revolving speed target Value.
Further, the control block diagram of the dynamic regulating method is referring also to Fig. 3.According to transformational relation f1=(P*, n*) and power target value P*, obtain corresponding revolving speed target value n*.According to the deviation signal (n*- n), carry out PI adjustingThe work of the double-fed unit is adjusted, obtains the electromagnetic torque m of the double-fed unite, thus It is applied to the influence to revolving speed current value n.Revolving speed current value n by with electromagnetic torque value of feedback mgBetween relationship f2=(mg, N), in feedback to the adjustment to the pump turbine;Revolving speed current value n is also fed back to deviation signal (n*- n) with effect and institute Double feedback electric engine is stated, to form negative feedback closed loop.
A kind of dynamic regulating method for speed change pump-storage generator that the embodiment of the present invention 1 provides, passes through pump turbine Unit power and unit speed between relationship, obtain the transformational relation between target unit power and target unit revolving speed, To determine corresponding revolving speed target value and turn to the speed change pump-storage generator according to the transformational relation and power target value Speed is adjusted.Since the revolving speed to variable units carries out real-time dynamic regulation, change the power that draws water of unit, with matching system Wind-powered electricity generation fluctuation, realization wind power fluctuation is stabilized under pumping operation mode, solve water-storage nothing under pumping operation mode The problem of wind-powered electricity generation fluctuation is adjusted in method can effectively reduce wind-powered electricity generation fluctuation to reduce influence of the wind-powered electricity generation fluctuation to system The frequency departure caused by system.
The embodiment of the present invention 2 provides the dynamic regulating method of another speed change pump-storage generator.The dynamic regulation Method improves step S120 on the basis of such as embodiment 1, unit speed and unit according to involved in characteristic curve Relationship between torque can define unit power and meet relationship:
P11=N11·M11
Wherein, P11For the unit power;N11For the unit speed;M11For the specific torque.
There is unit speed N again11With specific torque M11Meet relationship:
Wherein, n is the generating unit speed;H is the water inlet hydraulic pressure;P is the power that draws water;DrefFor runner diameter.
Thus, the unit power and the unit speed meet relationship:
To obtain the unit power and the unit speed according to the running parameter, institute can also be further obtained State the relation curve of unit power Yu the unit speed.
The embodiment of the present invention 3 additionally provides the dynamic regulating method of another speed change pump-storage generator.Referring to fig. 4, institute Dynamic regulating method is stated on the basis of such as embodiment 1, step S130 is improved, step S130 may further include step Rapid S331 to step S332.
S331, according to the unit power and the unit speed, obtain the unit power and the unit speed Relation curve.
S332, the relation curve based on the unit power and unit speed, obtain the target unit power with it is described The relation curve of target unit revolving speed, using as the transformational relation between the target unit power and target unit revolving speed.
Specifically, the power target value and the revolving speed target value meet relationship:
Wherein, P*For the power target value;n*For the revolving speed target value;For the target unit power; For the target unit revolving speed;H is the water inlet hydraulic pressure;P is the power that draws water;DrefFor runner diameter.
It is to be appreciated that embodiment 3 can be combined with embodiment 2, to obtain more preferred embodiment of the invention.
The embodiment of the present invention 4 additionally provides a kind of dynamic regulation device of speed change pump-storage generator.Referring to Fig. 5, dynamic Regulating device 400 includes data acquisition module 410, the first computing module 420, the second computing module 430, third computing module 440 and control module 450.
The data acquisition module 410, for obtaining the characteristic curve of pump turbine;Wherein, the characteristic curve is The unit speed of the pump turbine-specific torque characteristic curve.
First computing module 420, for calculating the unit power of the pump turbine according to the characteristic curve Relationship between unit speed.
Second computing module 430, for obtaining based on the relationship between the unit power and the unit speed Transformational relation between target unit power and target unit revolving speed.
The third computing module 440, for according to the transformational relation and power target value, the determining and power mesh The corresponding revolving speed target value of scale value.
The control module 450, for adjusting the speed change pump-storage generator revolving speed according to the revolving speed target value.
The dynamic regulation device 400 works according to the dynamic regulating method as provided by above-mentioned any embodiment, Therefore not to repeat here.
A kind of dynamic regulation device for speed change pump-storage generator that the embodiment of the present invention 4 provides, passes through pump turbine Unit power and unit speed between relationship, obtain the transformational relation between target unit power and target unit revolving speed, To determine corresponding revolving speed target value and turn to the speed change pump-storage generator according to the transformational relation and power target value Speed is adjusted.Since the revolving speed to variable units carries out real-time dynamic regulation, change the power that draws water of unit, with matching system Wind-powered electricity generation fluctuation, realization wind power fluctuation is stabilized under pumping operation mode, solve water-storage nothing under pumping operation mode The problem of wind-powered electricity generation fluctuation is adjusted in method can effectively reduce wind-powered electricity generation fluctuation to reduce influence of the wind-powered electricity generation fluctuation to system The frequency departure caused by system.
The embodiment of the present invention 5 provides the dynamic regulation device 50 of another speed change pump-storage generator.Referring to Fig. 6, originally The dynamic regulation device 50 that inventive embodiments 5 provide includes: processor 51, memory 52 and stores in the memory simultaneously The computer program that can be run on the processor, such as dynamic regulation program.The processor 51 executes the computer The step in above-mentioned each test method embodiment, such as step S130 shown in FIG. 1 are realized when program.Alternatively, the processing Device realizes the function of each module in above-mentioned each Installation practice when executing the computer program, such as described in above-described embodiment Dynamic regulation device.
Illustratively, the computer program can be divided into one or more modules, one or more of moulds Block is stored in the memory 52, and is executed by the processor 51, to complete the present invention.One or more of modules It can be the series of computation machine program instruction section that can complete specific function, the instruction segment is for describing the computer program Implementation procedure in the dynamic regulation device 50.For example, the computer program can be divided into data acquisition module, First computing module, the second computing module, third computing module and control module, each module concrete function are as follows: the data Module is obtained, for obtaining the characteristic curve of pump turbine;Wherein, the characteristic curve is the unit of the pump turbine Revolving speed-specific torque characteristic curve;First computing module, for calculating the water pump water wheels according to the characteristic curve Relationship between the unit power and unit speed of machine;Second computing module, for being based on the unit power and unit Relationship between revolving speed obtains the transformational relation between target unit power and target unit revolving speed;The third computing module, For determining revolving speed target value corresponding with the power target value according to the transformational relation and power target value;The control Molding block, for adjusting the speed change pump-storage generator revolving speed according to the revolving speed target value.
The dynamic regulation device 50 can be the meter such as desktop PC, notebook, palm PC and cloud server Calculate equipment.The dynamic regulation device 50 may include, but be not limited only to, processor 51, memory 52.Those skilled in the art can To understand, the schematic diagram is only the example of image-enhancing equipment, does not constitute the restriction to dynamic regulation device 50, can be with Including than illustrating more or fewer components, perhaps combining certain components or different components, such as dynamic regulation dress Setting 50 can also include input-output equipment, network access equipment, bus etc..
Alleged processor 51 can be central processing unit (Central Processing Unit, CPU), can also be Other general processors, 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 51 is the control centre of the dynamic regulation device 50, utilizes various interfaces and the entire dynamic of connection The various pieces of regulating device 50.
The memory 52 can be used for storing the computer program and/or module, the processor 51 by operation or The computer program and/or module being stored in the memory 52 are executed, and calls the data being stored in memory 52, Realize the various functions of the dynamic regulation device 50.The memory 52 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, Image player function etc.) etc.;Storage data area, which can be stored, uses created data (such as audio data, electricity according to mobile phone Script for story-telling etc.) etc..In addition, memory 52 may include high-speed random access memory, it can also include nonvolatile memory, example 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 dynamic regulation device 50 integrates is realized in the form of SFU software functional unit and as only Vertical product when selling or using, can store in a computer readable storage medium.Based on this understanding, this hair All or part of the process in bright realization above-described embodiment method, can also be instructed by computer program relevant hardware come It completes, the computer program can be stored in a computer readable storage medium, which holds by processor When row, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code, institute Stating computer program code can be source code form, object identification code form, executable file or certain intermediate forms etc..It is described Computer-readable medium may include: any entity or device, recording medium, U that can carry the computer program code Disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), arbitrary access Memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..
The dynamic regulation device and storage medium for a kind of speed change pump-storage generator that the embodiment of the present invention 5 provides, pass through Relationship between the unit power and unit speed of pump turbine obtains between target unit power and target unit revolving speed Transformational relation, to determine corresponding revolving speed target value according to the transformational relation and power target value and draw water to the speed change Accumulation of energy generating unit speed is adjusted.Since the revolving speed to variable units carries out real-time dynamic regulation, change the power that draws water of unit, It is fluctuated with the wind-powered electricity generation of matching system, realization stabilizes wind power fluctuation under pumping operation mode, solves water-storage and is taking out The problem of being adjusted can not be fluctuated to wind-powered electricity generation under water condition, to reduce influence of the wind-powered electricity generation fluctuation to system, can effectively subtract Few wind-powered electricity generation fluctuates the frequency departure caused by system.
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.

Claims (8)

1. a kind of dynamic regulating method of speed change pump-storage generator, which is characterized in that comprising steps of
Obtain the characteristic curve of pump turbine;Wherein, the characteristic curve is unit speed-unit of the pump turbine Torque characteristic;
According to the characteristic curve, the relationship between the unit power and unit speed of the pump turbine is calculated;
Based on the relationship between the unit power and unit speed, obtain between target unit power and target unit revolving speed Transformational relation;
According to the transformational relation and power target value, revolving speed target value corresponding with the power target value is determined;Wherein, root According to the measurement to wind-powered electricity generation fluctuation signal to obtain the power target value;
According to the revolving speed target value, the speed change pump-storage generator revolving speed is adjusted.
2. dynamic regulating method as described in claim 1, which is characterized in that the unit power, the unit speed and institute It states specific torque and meets relationship:
P11=N11·M11
Wherein, P11For the unit power;N11For the unit speed;M11For the specific torque;N is the generating unit speed; mtFor the mechanical force moment of unit;H is the water inlet hydraulic pressure;P is the power that draws water;DrefFor runner diameter.
3. dynamic regulating method as described in claim 1, which is characterized in that described to be based on the unit power and the unit Relationship between revolving speed obtains the transformational relation between target unit power and target unit revolving speed, comprising steps of
According to the unit power and the unit speed, the relation curve of the unit power and the unit speed is obtained;
Relation curve based on the unit power and unit speed, obtains the target unit power and the target unit turns The relation curve of speed, using as the transformational relation between the target unit power and target unit revolving speed.
4. dynamic regulating method as claimed in claim 3, which is characterized in that the power target value and the revolving speed target value Meet relationship:
Wherein, P*For the power target value;n*For the revolving speed target value;For the target unit power;For institute State target unit revolving speed;H is the water inlet hydraulic pressure;P is the power that draws water;DrefFor runner diameter.
5. dynamic regulating method as described in claim 1, which is characterized in that it is described according to the revolving speed target value, adjust institute Speed change pump-storage generator revolving speed is stated, comprising steps of
According to the revolving speed target value, the difference of the speed change pump-storage generator revolving speed current value Yu the revolving speed target value is determined Value, to obtain corresponding deviation signal;
According to the deviation signal, the electromagnetic torque of the double feedback electric engine of the speed change pump-storage generator is adjusted by PI.
6. a kind of dynamic regulation device of speed change pump-storage generator characterized by comprising
Data acquisition module, for obtaining the characteristic curve of pump turbine;Wherein, the characteristic curve is the water pump water wheels The unit speed of machine-specific torque characteristic curve;
First computing module, for calculating the unit power and unit speed of the pump turbine according to the characteristic curve Between relationship;
Second computing module, for based on the relationship between the unit power and unit speed, obtain target unit power with Transformational relation between target unit revolving speed;
Third computing module, for according to the transformational relation and power target value, determination to be corresponding with the power target value Revolving speed target value;
Control module, for adjusting the speed change pump-storage generator revolving speed according to the revolving speed target value.
7. a kind of dynamic regulation device of speed change pump-storage generator, including processor, memory and it is stored in the storage In device and it is configured as the computer program executed by the processor, the processor is realized when executing the computer program Dynamic regulating method as described in any one of claim 1 to 5.
8. 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 5 described in dynamic regulating method.
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