WO2024002387A1 - Procédé de débogage de commande pour système de production d'énergie de charge de stockage éolien hors réseau - Google Patents

Procédé de débogage de commande pour système de production d'énergie de charge de stockage éolien hors réseau Download PDF

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Publication number
WO2024002387A1
WO2024002387A1 PCT/CN2023/111740 CN2023111740W WO2024002387A1 WO 2024002387 A1 WO2024002387 A1 WO 2024002387A1 CN 2023111740 W CN2023111740 W CN 2023111740W WO 2024002387 A1 WO2024002387 A1 WO 2024002387A1
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Prior art keywords
energy storage
storage system
voltage
control
load
Prior art date
Application number
PCT/CN2023/111740
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English (en)
Chinese (zh)
Inventor
李相俊
李焓宁
董立志
贾学翠
王上行
惠东
刘家亮
Original Assignee
中国电力科学研究院有限公司
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Priority to AU2023296594A priority Critical patent/AU2023296594A1/en
Publication of WO2024002387A1 publication Critical patent/WO2024002387A1/fr

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Classifications

    • 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
    • H02J3/381—Dispersed generators
    • 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
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • 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
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
    • 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
    • H02J3/241—The oscillation concerning frequency
    • 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
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • 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
    • H02J3/388—Islanding, i.e. disconnection of local power supply from the network
    • 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
    • H02J3/48—Controlling the sharing of the in-phase component
    • 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
    • H02J3/50—Controlling the sharing of the out-of-phase component
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
    • H02J2310/58—The condition being electrical
    • H02J2310/60—Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects

Definitions

  • This application relates to but is not limited to the technical fields of wind power generation and energy storage, and in particular, to a control and debugging method for an off-grid wind load storage power generation system.
  • the purpose of the embodiments of this application is to provide a control and debugging method for an off-grid wind load storage power generation system to solve the problem that the existing off-grid wind load storage system is prone to overvoltage at the wind turbine end due to the existence of long-distance power cables, causing Technical problems causing unstable system operation.
  • the embodiment of the present application provides an off-grid wind load storage power generation system, including: a wind power generation branch, an energy storage branch, an active load and a circuit breaker K2;
  • the wind power generation branch and circuit breaker K2 are connected in series and then connected in parallel with the energy storage branch and active load, and then connected to the high-voltage bus 200; the wind power generation branch includes a wind generator.
  • the wind power generation branch also includes a circuit breaker K1, a converter, a box transformer T1 and a wind turbine grid-connected cable;
  • the circuit breaker K1 and the converter are connected in parallel to form a parallel branch;
  • the output end of the wind turbine is connected to the low-voltage side of the box-type transformer T1 through a parallel branch; the high-voltage side of the box-type transformer T1 is connected to the circuit breaker K2 through the wind turbine grid connection cable.
  • the energy storage branch includes a voltage source energy storage system 300, a current source energy storage system 400, and a box-type transformer T2;
  • the voltage source energy storage system and the current source energy storage system are connected in parallel and connected to the high-voltage bus through the box-type transformer T2.
  • the voltage source energy storage system includes several voltage source energy storage devices connected in parallel; the current source energy storage system includes several current source energy storage devices connected in parallel.
  • the voltage source energy storage system adopts a virtual synchronous control mode.
  • the current source energy storage system adopts PQ control mode.
  • the wind turbine is a doubly fed asynchronous wind turbine.
  • the wind and load storage coordination control device is used to collect the voltage u 0 and current i 0 on the low-voltage side of the box-type transformer T2; and Decouple the voltage u 0 and current i 0 and calculate the reactive power Q A generated by the low-voltage side of the header transformer T2; control the current source energy storage system and set the reactive power of the current source energy storage system
  • the power reference value is the inverse of the reactive power at the low-voltage side of transformer T2, forming a closed-loop control.
  • embodiments of the present application also provide a method for controlling and debugging an off-grid wind load storage power generation system.
  • the off-grid wind load storage power generation system is an off-grid wind storage power generation system provided by embodiments of the present application.
  • Charge generation system, the control and debugging method includes:
  • the circuit breaker K2 is controlled to open, the energy storage branch is put in, and part of the active load is put in. At this time, an off-grid load storage system is formed;
  • the circuit breaker K2 is controlled to close and the wind turbine starts to work; the output power of the energy storage branch is controlled with the reactive power at the output end of the energy storage branch as a command.
  • the stator voltage of the wind turbine begins to synchronize with the external voltage of the wind turbine, and reaches
  • the grid-connected conditions are preset, and an off-grid wind load storage system is formed at this time;
  • the wind turbine outputs active power according to a given power ramp. During the active power ramping process of the wind turbine, the active load is gradually put into it.
  • the control circuit breaker K2 is opened, the energy storage branch is put in, and a part of the active load is put in.
  • the off-grid load storage system includes:
  • the starting voltage source energy storage system and the current source energy storage system convert the active load into In the step of constructing an off-grid load storage system, the active load Less than or equal to the total capacity of the voltage source energy storage system.
  • the starting voltage source energy storage system and the current source energy storage system convert the active load into In the step of constructing an off-grid load storage system, the output active power of the voltage source energy storage system is equal to the input active load.
  • control circuit breaker K2 is closed and the wind turbine starts to work; the reactive power at the output end of the energy storage branch is used as a command to control the output power of the energy storage branch, and the stator voltage of the wind turbine is equal to The external voltage of the wind turbine begins to synchronize and reaches the preset grid connection conditions.
  • the off-grid wind load storage system includes:
  • the stator voltage of the wind turbine starts to synchronize with the external voltage of the wind turbine. After reaching the preset grid connection conditions, the circuit breaker K1 is closed to form an off-grid wind load storage system.
  • the preset grid connection condition is specifically: the stator voltage of the wind turbine is completely consistent with the frequency, phase, and amplitude of the external voltage.
  • the step of measuring the reactive power at the low-voltage side of the box-type transformer T2 and using its inverse as the reactive power input command of the current source energy storage system specifically includes: measuring the reactive power at the low-voltage side of the box-type transformer T2;
  • the reactive power reference value of the current source energy storage system is set to the opposite number of the reactive power on the low-voltage side of the transformer T2 to form a closed-loop control.
  • the step of gradually putting in active load during the active power ramping process of the wind turbine specifically includes:
  • the power of the wind turbine begins to climb, and the active load is dynamically put into operation in batches at this time; after the output power of the wind turbine stabilizes at time t 2 , the active power and reactive power output by the wind turbine stabilize to the set values respectively; this The active load input at the time is the same as the set value of the wind turbine.
  • the reactive power of the current source energy storage system is continuously reduced until time t2 is completely switched out.
  • the embodiment of the present application provides a control and debugging method for an off-grid wind load storage power generation system.
  • the multiple types of hybrid energy storage systems used can achieve accurate output of voltage, frequency and active power; avoiding the need to only use a voltage source type Energy storage causes overvoltage problems caused by reactive power deviation caused by long cables.
  • Energy storage causes overvoltage problems caused by reactive power deviation caused by long cables.
  • black starts of fans can be achieved on different lines, which is of great significance for the start-up of off-grid remote fans and the stable operation of the system. .
  • the embodiment of this application first establishes stable voltage and frequency through energy storage black start, then starts the wind turbine, and performs dynamic equipment switching and real-time power optimization control on the wind turbine, energy storage, and load operating in the isolated grid according to the power coordinated control debugging method. .
  • the embodiment of this application can avoid overvoltage problems caused by long cables when the inductive load is insufficient during the networking process, which is conducive to stable operation of the system.
  • control and debugging method can be separated from the support of the large power grid to realize power supply to surrounding loads. It is very suitable for areas such as desert areas, forest areas, and islands that cannot be effectively covered by large power grids, and is of great significance for alleviating the tight power supply.
  • Figure 1 is a schematic structural diagram of an off-grid wind load storage power generation system provided by an embodiment of the present application
  • FIG. 2 is a schematic structural diagram of the wind load storage coordination control device provided by the embodiment of the present application.
  • Figure 3 is a schematic diagram of the power coordination control of the off-grid wind load storage system provided in the application embodiment
  • Figure 4 is a coordination control diagram of the power values of each unit of an off-grid wind load storage power generation system provided by the application embodiment
  • Figure 5 is a schematic diagram of the voltage source type energy storage automatic response power provided in the application embodiment.
  • voltage source energy storage uses traditional virtual synchronous control technology
  • when the wind storage system operates independently there are situations such as long cable overvoltage, load fluctuations, and wind turbine power ramping.
  • voltage source energy storage uses active power-frequency control and reactive power-voltage control, the frequency and voltage will deviate from the rated values or even exceed the limits.
  • this application sets the active power and reactive power of the fan according to the system load and line impedance. During the active power climbing process of the wind turbine, the active load is switched on and off, and the reactive power generated by the capacitive line is absorbed through the current source energy storage, and the reactive load is compensated to stabilize the system frequency and voltage.
  • This embodiment of the present application provides an off-grid wind load storage power generation system, including: a wind power generation branch, an energy storage branch, an active load and a circuit breaker K2; the wind power generation branch includes a wind turbine 100; the energy storage branch includes various types of hybrid energy storage systems; the wind power generation branch and circuit breaker K2 are connected in series and then connected in parallel with the energy storage branch and active load, and then connected to the high-voltage bus 200.
  • the hybrid energy storage system includes a voltage source energy storage system 300 and a current source energy storage system 400 .
  • the wind power generation branch also includes a circuit breaker K1, a converter 101, a box transformer T1, and a wind turbine grid-connected cable 500; the circuit breaker K1 and the converter 101 are connected in parallel to form a parallel branch.
  • the energy storage branch also includes a box-type transformer T2.
  • the voltage source energy storage system 300 and the current source energy storage system 400 are connected in parallel and connected to the high-voltage bus 200 through the box-type transformer T2.
  • the voltage source energy storage system 300 is composed of m voltage source energy storage devices 301 connected in parallel; the current source energy storage system 400 is composed of n current source energy storage devices 401 connected in parallel. Both m and n are positive integers greater than or equal to 1.
  • m voltage source energy storage devices 301 constitute a voltage source energy storage system 300
  • n current source energy storage devices 401 constitute a current source energy storage system 400.
  • the output terminals of m voltage source energy storage devices 301 and n current source energy storage devices 401 are connected to the low-voltage side of the box-type transformer T2, and the high-voltage side of the box-type transformer T2 is connected to the high-voltage bus 200.
  • the voltage source energy storage system 300 adopts a virtual synchronous control type, which is divided into active frequency control and reactive voltage control, which simulate the speed regulation and excitation system of the synchronous generator respectively.
  • the current source energy storage system 400 adopts the PQ control mode, which essentially decouples the active power and reactive power and controls them separately.
  • the active load P1 is connected to the high voltage bus 200 .
  • the hybrid energy storage system in which multiple machines of voltage source type and current source type energy storage are connected in parallel in the embodiment of the present application can not only achieve the stability of voltage and frequency and the accurate output of active power through voltage source type energy storage; at the same time, due to the use of transformers and long cables
  • the existence of current source energy storage can provide reactive power closed-loop support, avoiding overvoltage problems caused by reactive power deviation caused by long cables when only voltage source energy storage is used.
  • wind turbine 100 employs a doubly-fed asynchronous wind turbine.
  • an embodiment of the present application provides an off-grid wind load storage power generation system, including a wind load storage coordination control device 20; the wind load storage coordination control device includes a data acquisition module 201 and a power calculation module 202 , execution module 203 and communication management module 204.
  • the data acquisition module 201 is used to collect the voltage u 0 and current i 0 on the low-voltage side of the box-type transformer T2, as well as the operation information of the current source energy storage system 400 and the wind turbine 100.
  • Power calculation module 202 used to calculate the box type The voltage u 0 and current i 0 at the low-voltage side of the transformer T2 are decoupled, and the reactive power Q A generated by the low-voltage side of the header transformer T2 is calculated.
  • the execution module 203 is used to perform power control on the current source energy storage system 400, the active load P1 and the wind turbine 100 through the communication management module 204. When controlling the current source energy storage system 400, set the reactive power reference value of the current source energy storage system 400. Active power reference value Form closed loop control.
  • voltage source energy storage can establish stable voltage and frequency, provide the system with self-starting capability, and automatically respond to fluctuations in fans and active loads.
  • Current source energy storage can compensate the system's reactive power in time.
  • the wind-load storage coordination control device also controls the power of the active load so that the output active power of the voltage source type energy storage is maintained near 0.
  • the embodiment of the present application also provides a control and debugging method for an off-grid wind load storage power generation system.
  • the control and debugging method is implemented through steps S1 to S3:
  • the control circuit breaker K2 is opened, the energy storage branch is put in, and part of the active load is put in. At this time, an off-grid load storage system is formed.
  • the wind turbine 100 outputs active power according to a given power ramp, and gradually puts in the active load during the active power ramping process of the wind turbine.
  • step S1 may include:
  • the wind load storage coordination control device controls the circuit breaker K2 to open, starts the voltage source energy storage system 300 and the current source energy storage system 400, and puts in the active load
  • An off-grid load storage system is composed of mixed energy storage and active loads. Among them, the output active power of the voltage source energy storage system 300 is set to be equal to the input active load.
  • the current source energy storage system 400 outputs active power of 0.
  • step S2 may include:
  • the wind load storage coordination control device controls the circuit breaker K2 to close, completing the wind turbine side line connection.
  • the reactive power at the low-voltage side A of the box-type transformer T2 is measured, and its opposite is used as the reactive power input command of the current source energy storage system 400 to balance the power generated by the wind turbine grid-connected cable 500, box-type transformer T1, and box-type transformer T2. Reactive power.
  • the stator voltage of the wind turbine 100 begins to synchronize with the external voltage of the wind turbine.
  • the wind load storage coordination control device controls the wind turbine grid-connected circuit breaker K1 to close , the wind turbine 100 is fully connected to form an off-grid wind load storage system.
  • step S3 may include:
  • the wind turbine 100 outputs active power according to a given power ramp, and during the active power ramping process of the wind turbine, the active load is gradually put into the wind turbine.
  • the power output of the wind turbine 100 is stable, the wind, storage, and load complete the dynamic networking. This system has strong transient stability and can respond to fan output fluctuations and load switching.
  • the embodiment of this application proposes a control and debugging method for an off-grid wind load storage power generation system, which fully utilizes the advantages of voltage source type and current source type energy storage.
  • voltage source energy storage can establish stable system voltage and frequency, provide system self-starting capability, and quickly respond to active power fluctuations of wind turbines and active loads.
  • the embodiment of this application uses current source energy storage to provide reactive power compensation to maintain the system voltage at the rated value while controlling the dynamics of the active load. switching, reducing the voltage source The active power of the type energy storage regulates the pressure to maintain the system frequency at the rated value.
  • FIG. 3 After closing the circuit breaker K2, by measuring the voltage and current u 0 and i 0 at the low-voltage side A of the box-type transformer T2 and decoupling them, the wireless power emitted at A is calculated. Work power Q A .
  • Reactive power reference value of current source energy storage system 400 Active power reference value Form closed loop control.
  • the current source energy storage system 400 is used to absorb the inductive reactive power emitted from the fan side and the load side.
  • the inductive reactive power absorbed by the voltage source energy storage system 300 is close to 0, which can not only restore the energy storage voltage output to normal, but also respond in time. Changes in reactive load are conducive to black start and smooth operation of the system.
  • the active and reactive power instructions of the wind turbine 100 are as shown in formulas (1) and (2):
  • the wind storage power controlled by the control and debugging method of the off-grid wind load storage power generation system is shown in Figure 4.
  • the circuit breaker K2 is closed at time t 0 , and the power of the wind turbine 100 starts to climb at time t 1.
  • the active load is put in dynamically in batches, each time A total of n times, after the output power of t 2 stabilizes, the active power and reactive power output by the wind turbine 100 stabilize to the set values respectively. and The system black boot is completed.
  • the active load invested at this time is in, Starting from time t1 , the reactive power of the current source energy storage system 400 is continuously reduced until it is completely cut out at time t2 .
  • the reactive power of the current source type energy storage is continuously reduced.
  • the embodiment of this application considers the situation where there is no reactive power backup load.
  • the reactive power load P2 marked on Figure 1 is what will happen after the system black start is completed.
  • the generated reactive load the embodiment of the present application can control the reactive power of the current source type energy storage, and continue to maintain the balance of reactive power and the stability of voltage after the system operates stably.
  • Q1 is the capacitive reactive load generated after the system stabilizes
  • t3 is the time when this load is generated
  • t4 indicates that the capacitive load is cut out.
  • the response power of the voltage source energy storage system 300 is shown in Figure 5. According to the control and debugging method provided by the embodiment of the present application, its reactive power output is 0, and the active power output can be maintained near 0 after the wind turbine 100 climbs the slope. This avoids the problem of excessive system voltage and frequency deviation.
  • the reactive and active power output by the voltage source energy storage is reduced, so that the frequency and voltage of the system are maintained at the rated value; when the wind turbine starts
  • the rear energy storage system can automatically smooth the wind farm output fluctuations and also smooth the load output fluctuations.
  • the control and debugging method of the wind load storage system enables differentiated dynamic network control among the wind power generation system, energy storage system and load under off-grid operation and according to different operating conditions.
  • the energy storage black start is used to establish stable voltage and frequency, and then the wind turbines are started.
  • the power of wind turbines and energy storage operating in the isolated grid is optimized in real time according to the strategy, and the load is dynamically switched and controlled to realize the power supply and consumption of the entire system. Balanced and stable operation Depend on.
  • the embodiment of this application first gradually establishes an off-grid wind load storage system, and then controls the wind turbine, energy storage, and load power, which can solve the problems of long cable overvoltage, load fluctuation, and fan power during the establishment and operation of the wind load storage system.
  • embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment that combines software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
  • computer-usable storage media including, but not limited to, disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions may also be stored in a computer-readable memory that causes a computer or other programmable data processing apparatus to operate in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction means, the instructions
  • the device implements the functions specified in a process or processes of the flowchart and/or a block or blocks of the block diagram.
  • These computer program instructions may also be loaded onto a computer or other programmable data processing device, causing a series of operating steps to be performed on the computer or other programmable device to produce computer-implemented processing, thereby executing on the computer or other programmable device.
  • Instructions provide steps for implementing the functions specified in a process or processes of a flowchart diagram and/or a block or blocks of a block diagram.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Wind Motors (AREA)

Abstract

Les modes de réalisation de la présente demande concernent un procédé de débogage de commande pour un système de production d'énergie de charge de stockage éolien hors réseau. Le système comprend une branche de production d'énergie éolienne pourvue d'un générateur d'énergie éolienne, d'une branche de stockage d'énergie, d'une charge active et d'un disjoncteur. La branche de production d'énergie éolienne et le disjoncteur sont connectés en série, puis connectés en parallèle avec la branche de stockage d'énergie et la charge active, puis accèdent à un bus haute tension. La présente demande commande la déconnexion de disjoncteur, l'entrée de branche de stockage d'énergie et l'entrée partielle de charge active, et commande la fermeture du disjoncteur, et le démarrage du fonctionnement du générateur d'énergie éolienne ; une puissance réactive d'une extrémité de sortie de la branche de stockage d'énergie est prise en tant qu'instruction pour commander une puissance de sortie de la branche de stockage d'énergie, la tension de stator du générateur d'énergie éolienne commence à se synchroniser avec la tension externe d'un ventilateur, et une condition de connexion au réseau prédéfinie est remplie ; le générateur d'énergie éolienne monte pour délivrer une puissance active en fonction d'une puissance donnée, et pendant la montée active de ventilateur, la charge active est progressivement entrée. Le ventilateur et la puissance de stockage d'énergie sont contrôlés, et lorsqu'une charge inductive de démarrage pendant la mise en réseau est insuffisante, le problème de surtension provoquée par des câbles longs peut être évité, ce qui contribue à la stabilité du fonctionnement du système.
PCT/CN2023/111740 2022-06-30 2023-08-08 Procédé de débogage de commande pour système de production d'énergie de charge de stockage éolien hors réseau WO2024002387A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2023296594A AU2023296594A1 (en) 2022-06-30 2023-08-08 Control debugging method for off-grid wind storage load power generation system

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Application Number Priority Date Filing Date Title
CN202210754819.1A CN114825487B (zh) 2022-06-30 2022-06-30 一种离网型风储荷发电***及控制调试方法
CN202210754819.1 2022-06-30

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