CN102427230B - Wind-light storage combined dispatching method and system used for distributed microgrid island operation - Google Patents

Wind-light storage combined dispatching method and system used for distributed microgrid island operation Download PDF

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Publication number
CN102427230B
CN102427230B CN2011104263074A CN201110426307A CN102427230B CN 102427230 B CN102427230 B CN 102427230B CN 2011104263074 A CN2011104263074 A CN 2011104263074A CN 201110426307 A CN201110426307 A CN 201110426307A CN 102427230 B CN102427230 B CN 102427230B
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photovoltaic generating
wind generator
grid
micro
load
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CN2011104263074A
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Chinese (zh)
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CN102427230A (en
Inventor
杨宇全
葛荣刚
张建海
黎鹏
林昌年
潘正魁
徐际强
迟福建
Original Assignee
天津市电力公司
中国电力科学研究院
北京科东电力控制系统有限责任公司
国家电网公司
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Priority to CN2011104263074A priority Critical patent/CN102427230B/en
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    • 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
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects

Abstract

The invention belongs to the field of distribution network dispatching and managing, which provides a wind-light storage combined dispatching method and system used for distributed microgrid island operation. According to collected real-time data as well as photovoltaics and fan power generation and power load prediction data obtained by calculation, the total output power of photovoltaics and fan and a load and energy storage inverter system are coordinated and controlled to satisfy the requirement of system power balancing; the energy storage and the load of the photovoltaics, a fan and a storage cell are considered in a coordinating mode; a control signal is emitted to cause each inverter to output active power required by a microgrid system to achieve the optimal energy use ratio; therefore, the microgrid system can integrate the power generation and power consumption situations between three systems of a fan system, a photovoltaic system and an energy storage system and load so as to coordinate each subsystem to effectively operate; when an external grid is detected to restore to be normal, the microgrid system is switched to a grid-connected operation mode according to a grid-connected and island mode switching control strategy, and the economy and the stability of the microgrid system in the island mode can be improved.

Description

The method and system that are used for the scheduling of distributed micro-grid islet operation wind-solar-storage joint
Technical field
The invention belongs to power distribution network scheduling and management domain, relate in particular to a kind of method and system for the scheduling of distributed micro-grid islet operation wind-solar-storage joint.
Background technology
By the micro-grid system that photovoltaic generating system, wind generator system, batteries to store energy and load form, the generated output of photovoltaic generating system and wind generator system is subjected to the impact of weather very large, can cause the power supply of micro-grid system and the imbalance of power load.Be under the islet operation pattern at microgrid, voltage reference source when energy-storage system of accumulator is operation, control microgrid frequency and voltage and keep constant, if generated output is greater than load power, can cause the energy-storage system of accumulator inverse probability, affect the stable operation of micro-grid system, if generated output is too less than load power, can cause the batteries discharging current to be far longer than optimum discharging current, thereby greatly shortened the time of piconet island operation, and the useful life that can reduce batteries, increase the maintenance investment of system.
The existing control device of micro-grid system under the islet operation pattern is relatively simple, has only considered the active power balance of microgrid, does not further investigate micro-grid system optimal control and economic dispatch, is difficult to meet the needs of microgrid operation under the islet operation pattern.
Summary of the invention
The invention provides a kind of method and system for the scheduling of distributed micro-grid islet operation wind-solar-storage joint, be intended to solve the existing control device of micro-grid system under the islet operation pattern relatively simple, only considered the active power balance of microgrid, do not further investigate micro-grid system optimal control and economic dispatch, be difficult to meet the needs of microgrid operation under the islet operation pattern, the larger problem of maintenance investment of system.
The object of the present invention is to provide a kind of method for the scheduling of distributed micro-grid islet operation wind-solar-storage joint, the method comprises the following steps:
Real-time data collection information, calculate photovoltaic generating system and wind generator system generating and electro-load forecast data;
Coordinate, control the operation of photovoltaic generating system, wind generator system, energy storage inversion system and load.
Another object of the present invention is to provide a kind of system for the scheduling of distributed micro-grid islet operation wind-solar-storage joint, described system comprises:
The working method setting module, be used for the working method of photovoltaic generating system, wind generator system is set as permanent power;
The frequency monitoring module, for the frequency of monitoring micro-grid system;
The power regulation module, be used for the frequency according to the micro-grid system that monitors, and controls the operation conditions of photovoltaic generating system, wind generator system, energy storage inversion system and load.
method and system for the scheduling of distributed micro-grid islet operation wind-solar-storage joint provided by the invention, according to the various real time datas that collect, and according to the photovoltaic generating system that calculates and wind generator system generating and electro-load forecast data, output gross power and load to photovoltaic generating system and wind generator system, coordinate to control to meet the requirement of system power balance between the energy storage inversion system, coordinate to consider photovoltaic generating system, wind generator system, batteries to store energy and load, sending control signal makes each inverter output meet the required active power of micro-grid system, reach best energy utilization rate and economy, make comprehensively wind generator system of micro-grid system, generating and electricity consumption situation between photovoltaic generating system and the large system of energy storage three and load, coordinating each subsystem effectively moves, under the piconet island operational mode, the energy storage inversion system of using keeps constant as frequency and the voltage that main power source supports microgrid, after external electrical network recovery normally being detected, micro-grid system is switched to the island mode switching control strategy pattern of being incorporated into the power networks according to being incorporated into the power networks, improved economy and the stability of micro-grid system under island mode.
Description of drawings
Fig. 1 is the realization flow figure of the method that is used for the scheduling of distributed micro-grid islet operation wind-solar-storage joint that provides of the embodiment of the present invention;
Fig. 2 is the flow chart of the implementation method of the coordination that provides of the embodiment of the present invention, the operation of controlling photovoltaic generating system, wind generator system, energy storage inversion system and load;
Fig. 3 is the frequency of the micro-grid system that monitors of basis that the embodiment of the present invention provides, controls the flow chart of implementation method of the operation conditions of photovoltaic generating system, wind generator system, energy storage inversion system and load;
Fig. 4 shows the structured flowchart of the system that is used for the scheduling of distributed micro-grid islet operation wind-solar-storage joint that the embodiment of the present invention provides.
Embodiment
, in order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and be not used in the restriction invention.
Fig. 1 shows the realization flow of the method that is used for the scheduling of distributed micro-grid islet operation wind-solar-storage joint that the embodiment of the present invention provides.
The method comprises the following steps:
In step S101, real-time data collection information, calculate photovoltaic generating system and wind generator system generating and electro-load forecast data;
In step S102, coordinate, control the operation of photovoltaic generating system, wind generator system, energy storage inversion system and load.
As shown in Figure 2, in embodiments of the present invention, the implementation method of the operation of coordination, control photovoltaic generating system, wind generator system, energy storage inversion system and load is:
In step S201, the working method of photovoltaic generating system, wind generator system is set as permanent power;
In step S202, the frequency f of monitoring micro-grid system;
In step S203,, according to the frequency f of the micro-grid system that monitors, control the operation conditions of photovoltaic generating system, wind generator system, energy storage inversion system and load.
As shown in Figure 3, in embodiments of the present invention, according to the frequency f of the micro-grid system that monitors, the implementation method of controlling the operation conditions of photovoltaic generating system, wind generator system, energy storage inversion system and load is:
, photovoltaic generating system, wind generator system, storage battery and load operation situation are coordinated accordingly, controlled during lower than 49.9HZ when the frequency f that monitors micro-grid system;
, the working condition of photovoltaic generating system, wind generator system, storage battery and load is coordinated accordingly, controlled during higher than 50.1HZ when the frequency f that monitors micro-grid system.
In embodiments of the present invention, the method provide when the frequency f that monitors micro-grid system during lower than 49.9HZ, to the coordination of storage battery, control and comprise the following steps:
, according to the Real-time Monitoring Data to storage battery, obtain the power sagging curve of storage battery;
Set voltage atdischarge end and the maximum discharge current of storage battery, the actual terminal voltage of Real-Time Monitoring storage battery;
, the power output of wind generator system and photovoltaic generating system is monitored, controlled during less than the voltage atdischarge end set when the actual terminal voltage that monitors storage battery;
When the actual terminal voltage that monitors storage battery during greater than the voltage atdischarge end set, according to the actual discharge electric current of the power sagging curve calculating accumulator of storage battery;
, continue the frequency f of micro-grid system is monitored during less than maximum discharge current when the actual discharge electric current of storage battery;
, control storage battery and discharge with maximum discharge current during greater than maximum discharge current when the actual discharge electric current, simultaneously the power output of wind generator system and photovoltaic generating system is monitored, controlled.
In embodiments of the present invention, the method provide when the frequency f that monitors micro-grid system during lower than 49.9HZ, to the coordination of wind generator system, control and comprise the following steps:
Set the peak power output W1 of wind generator system, the real output W2 of Real-Time Monitoring wind generator system;
When the real output W2 of wind generator system equals peak power output W1, the power output of photovoltaic generating system is monitored, controlled;
During less than peak power output W1, increase the real output W2 of wind generator system as the real output W2 of wind generator system;
When the power output of storage battery and wind generator system meets requiring of total load, continue the frequency f of micro-grid system is monitored;
When the power output of storage battery and wind generator system can not meet requiring of total load, the power output of photovoltaic generating system is monitored, controlled.
In embodiments of the present invention, the method provide when the frequency f that monitors micro-grid system during lower than 49.9HZ, to the coordination of photovoltaic generating system, control and comprise the following steps:
Set the peak power output W3 of photovoltaic generating system, the real output W4 of Real-Time Monitoring photovoltaic generating system;
When the real output W4 of photovoltaic generating system equaled peak power output W3, excision is corresponding loaded;
During less than peak power output W3, increase the real output W4 of photovoltaic generating system as the real output W4 of photovoltaic generating system;
When the power output of storage battery, wind generator system and photovoltaic generating system meets requiring of total load, continue the frequency f of micro-grid system is monitored;
When the power output of storage battery, wind generator system and photovoltaic generating system can not meet requiring of total load, excision is corresponding loaded.
In embodiments of the present invention, the method provide when the frequency f that monitors micro-grid system during higher than 50.1HZ, the working condition of photovoltaic generating system, wind generator system, storage battery and load is coordinated accordingly, is controlled and comprise the following steps:
When overload is excised, recover the load of corresponding power, and continue the frequency f of micro-grid system is monitored;
When not excising overload, the storage battery for being full of electricity is charged, reduce simultaneously the power output of wind generator system and photovoltaic generating system.
Fig. 4 shows the structure of the system that is used for the scheduling of distributed micro-grid islet operation wind-solar-storage joint that the embodiment of the present invention provides.For convenience of explanation, only show part related to the present invention.
This system comprises:
Working method setting module 41, be used for the working method of photovoltaic generating system, wind generator system is set as permanent power;
Frequency monitoring module 42, for the frequency f of monitoring micro-grid system;
Power regulation module 43, be used for the frequency f according to the micro-grid system that monitors, and controls the operation conditions of photovoltaic generating system, wind generator system, energy storage inversion system and load.
In embodiments of the present invention, power regulation module 43 further comprises:
The first power regulation module 431, be used for, photovoltaic generating system, wind generator system, storage battery and load operation situation being coordinated accordingly, controlling during lower than 49.9HZ when the frequency f that monitors micro-grid system;
The second power regulation module 432, be used for, the working condition of photovoltaic generating system, wind generator system, storage battery and load being coordinated accordingly, controlling during higher than 50.1HZ when the frequency f that monitors micro-grid system.
In embodiments of the present invention, the first power regulation module 431 further comprises:
The first photovoltaic generating system regulation and control unit 4311, be used for, the working condition of photovoltaic generating system being coordinated accordingly, being controlled during lower than 49.9HZ when the frequency f that monitors micro-grid system;
The first wind generator system regulation and control unit 4312, be used for, the working condition of wind generator system being coordinated accordingly, being controlled during lower than 49.9HZ when the frequency f that monitors micro-grid system;
The first storage battery regulation and control unit 4313, be used for, the working condition of storage battery being coordinated accordingly, being controlled during lower than 49.9HZ when the frequency f that monitors micro-grid system;
The first load control unit 4314, be used for, load being coordinated accordingly, controlling during lower than 49.9HZ when the frequency f that monitors micro-grid system;
In embodiments of the present invention, the second power regulation module 432 further comprises:
The second photovoltaic generating system regulation and control unit 4321, be used for, the working condition of photovoltaic generating system being coordinated accordingly, being controlled during higher than 50.1HZ when the frequency f that monitors micro-grid system;
The second wind generator system regulation and control unit 4322, be used for, the working condition of wind generator system being coordinated accordingly, being controlled during higher than 50.1HZ when the frequency f that monitors micro-grid system;
The second storage battery regulation and control unit 4323, be used for, the working condition of storage battery being coordinated accordingly, being controlled during higher than 50.1HZ when the frequency f that monitors micro-grid system;
The second load control unit 4324, be used for, load being coordinated accordingly, controlling during higher than 50.1HZ when the frequency f that monitors micro-grid system.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
The method and system that are used for the scheduling of distributed micro-grid islet operation wind-solar-storage joint that the embodiment of the present invention provides, according to the various real time datas that collect, and according to the generating of the photovoltaic generating system that calculates and wind generator system and electro-load forecast data, to coordinating to control to meet the requirement of system power balance between the output gross power of photovoltaic generating system and wind generator system and load, energy storage inversion system.
As shown in Figure 3, consider the characteristic of distributed power source, control the flexible control that realizes microgrid by many agencies, on the basis of unified control microgrid distributed power source, energy storage and load, guarantee reliable power supply under the islet operation pattern; Guarantee simultaneously the quality of power supply, realize optimized operation, reach the requirement of energy-conserving and environment-protective.
1, distribution power is independently controlled
(1) the photovoltaic generating system generating is independent controls
Photovoltaic generating system battery output volt-ampere characteristic is nonlinear characteristic, and its output power curve is also non-linear.Working point when wherein electric current and voltage product are for maximum is maximum power point.Load characteristic is also generally non-linear, and load should allow load operation point and array maximum power working point be close while using as far as possible, and the photovoltaic generating system array is with Maximum Power Output like this.Photovoltaic generating system battery maximum power working point is departed from load or converter working point will reduce photovoltaic generating system battery delivery efficiency, waste cell panel capacity.
Under photovoltaic generating system generating Autonomy control mode, the output of photovoltaic generating system inverter adopts maximal power tracing to control usually, by input or the excision of controlling the photovoltaic generating system inverter, realizes the adjusting that photovoltaic generating system generates electricity.
(2) the wind generator system generating is independent controls
Under a certain wind speed, the output mechanical power of wind energy conversion system changes with the difference of rotating speed, and the rotating speed an of the best is wherein arranged, under this rotating speed, and wind energy conversion system output maximum machine power, the relation of it and wind speed is the optimum tip-speed ratio relation; Under different wind speed, all there is the rotating speed an of the best to make wind energy conversion system output maximum machine power, these maximum power points are coupled together and can obtain a maximum output mechanical power curve, it is the best power load line, be in any point on this curve, the relation of its rotating speed and wind speed is the optimum tip-speed ratio relation.Therefore controlling the wind energy conversion system rotating speed under different wind speed changes and just can realize maximum power control to optimum speed.
2, islet operation discharges and recharges control algolithm
Micro-grid system and electrical network disconnect, and by the energy storage inversion system, for load, provide electric energy.The normal mode of operation of islet operation pattern is independent inverter mode, it refers to that ac bus and electrical network that two-way inverter is external disconnect, its AC power as constant voltage/constant frequency accesses ac bus outward, needing and the state-of-charge of storage battery according to load, is independently the state of the load supplying that accesses on ac bus according to the instruction of master control.
3, be incorporated into the power networks and islet operation pattern switching controls
Under the piconet island operational mode, the energy storage inversion system of using keeps constant as frequency and the voltage that main power source supports microgrid, and after external electrical network recovery normally being detected, the micro-grid system basis is incorporated into the power networks and the island mode switching control strategy is switched to the pattern of being incorporated into the power networks.
the method and system that are used for the scheduling of distributed micro-grid islet operation wind-solar-storage joint that the embodiment of the present invention provides, according to the various real time datas that collect, and according to the photovoltaic generating system that calculates and wind generator system generating and electro-load forecast data, output gross power and load to photovoltaic generating system and wind generator system, coordinate to control to meet the requirement of system power balance between the energy storage inversion system, coordinate to consider photovoltaic generating system, wind generator system, batteries to store energy and load, sending control signal makes each inverter output meet the required active power of micro-grid system, reach best energy utilization rate and economy, make comprehensively wind generator system of micro-grid system, generating and electricity consumption situation between photovoltaic generating system and the large system of energy storage three and load, coordinating each subsystem effectively moves, under the piconet island operational mode, the energy storage inversion system of using keeps constant as frequency and the voltage that main power source supports microgrid, after external electrical network recovery normally being detected, micro-grid system is switched to the island mode switching control strategy pattern of being incorporated into the power networks according to being incorporated into the power networks, improved economy and the stability of micro-grid system under island mode.
The foregoing is only preferred embodiment of the present invention,, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (1)

1. a method that is used for the scheduling of distributed micro-grid islet operation wind-solar-storage joint, is characterized in that, the method comprises the following steps: real-time data collection information calculates photovoltaic generating system and wind generator system generating and electro-load forecast data; Coordinate, control the operation of photovoltaic generating system, wind generator system, energy-storage system and load;
The implementation method of coordinating, control the operation of photovoltaic generating system, wind generator system, energy-storage system and load is: the working method of photovoltaic generating system, wind generator system is set as permanent power; The frequency of monitoring micro-grid system; , according to the frequency of the micro-grid system that monitors, control the operation conditions of photovoltaic generating system, wind generator system, energy-storage system and load;
Frequency according to the micro-grid system that monitors, the implementation method of controlling the operation conditions of photovoltaic generating system, wind generator system, energy-storage system and load is: when the frequency that monitors micro-grid system, during lower than 49.9HZ, photovoltaic generating system, wind generator system, storage battery and load operation situation are coordinated accordingly, controlled; , the working condition of photovoltaic generating system, wind generator system, storage battery and load is coordinated accordingly, controlled during higher than 50.1HZ when the frequency that monitors micro-grid system; When the frequency that monitors micro-grid system during lower than 49.9HZ, to the coordination of storage battery, control and comprise the following steps:, according to the Real-time Monitoring Data to storage battery, obtain the power sagging curve of storage battery;
Set voltage atdischarge end and the maximum discharge current of storage battery, the actual terminal voltage of Real-Time Monitoring storage battery; , the power output of wind generator system and photovoltaic generating system is monitored, controlled during less than the voltage atdischarge end set when the actual terminal voltage that monitors storage battery; When the actual terminal voltage that monitors storage battery during greater than the voltage atdischarge end set, according to the actual discharge electric current of the power sagging curve calculating accumulator of storage battery; , continue the frequency of micro-grid system is monitored during less than maximum discharge current when the actual discharge electric current of storage battery; , control storage battery and discharge with maximum discharge current during greater than maximum discharge current when the actual discharge electric current, simultaneously the power output of wind generator system and photovoltaic generating system is monitored, controlled;
When the frequency that monitors micro-grid system during lower than 49.9HZ, to the coordination of wind generator system, control and comprise the following steps: set the peak power output W1 of wind generator system, the real output W2 of Real-Time Monitoring wind generator system; When the real output W2 of wind generator system equals peak power output W1, the power output of photovoltaic generating system is monitored, controlled; During less than peak power output W1, increase the real output W2 of wind generator system as the real output W2 of wind generator system; When the power output of storage battery and wind generator system meets requiring of total load, continue the frequency of micro-grid system is monitored; When the power output of storage battery and wind generator system can not meet requiring of total load, the power output of photovoltaic generating system is monitored, controlled;
When the frequency that monitors micro-grid system during lower than 49.9HZ, to the coordination of photovoltaic generating system, control and comprise the following steps: set the peak power output W3 of photovoltaic generating system, the real output W4 of Real-Time Monitoring photovoltaic generating system; When the real output W4 of photovoltaic generating system equaled peak power output W3, excision is corresponding loaded; During less than peak power output W3, increase the real output W4 of photovoltaic generating system as the real output W4 of photovoltaic generating system; When the power output of storage battery, wind generator system and photovoltaic generating system meets requiring of total load, continue the frequency of micro-grid system is monitored; When the power output of storage battery, wind generator system and photovoltaic generating system can not meet requiring of total load, excision is corresponding loaded;
When the frequency that monitors micro-grid system during higher than 50.1HZ, working condition to photovoltaic generating system, wind generator system, storage battery and load coordinates accordingly, control and comprise the following steps: when overload is excised, recover the load of corresponding power, and continue the frequency of micro-grid system is monitored; When not excising overload, the storage battery for being full of electricity is charged, reduce simultaneously the power output of wind generator system and photovoltaic generating system.
CN2011104263074A 2011-12-19 2011-12-19 Wind-light storage combined dispatching method and system used for distributed microgrid island operation CN102427230B (en)

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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102931722A (en) * 2012-11-28 2013-02-13 上海师范大学 Distributed power supply management method and system
CN103050993B (en) * 2012-12-11 2014-12-10 广东电网公司电力科学研究院 Intelligent micro-grid scheduling real-time correction method and system
CN103178537B (en) * 2013-02-06 2014-06-18 上海交通大学 Coordinated control system and coordinated control method based on feeder line control error
CN103414206A (en) * 2013-07-12 2013-11-27 国电南瑞科技股份有限公司 Water, fire and light combined optimization power generation scheduling optimization method considering security constraints
CN103559655B (en) * 2013-11-15 2016-05-25 哈尔滨工业大学 The Forecasting Methodology of the novel feeder line load of microgrid based on data mining
US10101786B2 (en) 2014-12-22 2018-10-16 Intel Corporation Holistic global performance and power management
CN105515027B (en) * 2015-08-06 2017-03-29 樊朝晖 A kind of configurable energy storage microgrid control method of load curve
CN105896603B (en) * 2016-05-25 2018-06-15 新疆大学 A kind of wind-solar-storage joint electricity generation system and method
CN105846472B (en) * 2016-06-15 2018-08-28 国网西藏电力有限公司 Mains frequency variation appraisal procedure based on photovoltaic output fluctuation and system
CN106374540B (en) * 2016-11-17 2019-02-15 新智能源系统控制有限责任公司 A kind of grid control method for realizing micro battery power supply and load coulomb balance
CN107827256B (en) * 2017-08-08 2020-06-02 江苏丰海新能源淡化海水发展有限公司 Wind-solar-storage complementary container type intelligent micro-grid seawater desalination system
CN107609712A (en) * 2017-09-30 2018-01-19 新智能源系统控制有限责任公司 A kind of steer method and apparatus based on classification prediction
CN108574289A (en) * 2018-03-13 2018-09-25 浙江大学 A kind of related piconet island operation based on central controlled staged frequency modulation method
CN109687533B (en) * 2018-12-24 2020-11-03 浙江大学 Microgrid active power cascade distribution control method based on wind power generation and photovoltaic power generation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102005771A (en) * 2010-12-23 2011-04-06 天津电力设计院 Energy storage capacity selecting method of wind, photovoltaic and storage micro-grid system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102005771A (en) * 2010-12-23 2011-04-06 天津电力设计院 Energy storage capacity selecting method of wind, photovoltaic and storage micro-grid system

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
储能装置在风光储联合发电系统中的应用;张学庆等;《华东电力》;20101231;第38卷(第12期);1894-1896 *
刘波等.风光储联合发电系统调度策略研究.《华东电力》.2010,第38卷(第12期),第1-3节.
刘静等.基于下垂特性的分布式发电系统的设计.《电子测量与仪器学报》.2011,第25卷(第7期),635-641.
周念成等.风能与光伏混合微电网的建模和仿真.《中国电力》.2010,第43卷(第4期),80-85.
基于下垂特性的分布式发电系统的设计;刘静等;《电子测量与仪器学报》;20110731;第25卷(第7期);635-641 *
张学庆等.储能装置在风光储联合发电系统中的应用.《华东电力》.2010,第38卷(第12期),1894-1896.
风光储联合发电系统调度策略研究;刘波等;《华东电力》;20101231;第38卷(第12期);第1-3节 *
风能与光伏混合微电网的建模和仿真;周念成等;《中国电力》;20100430;第43卷(第4期);80-85 *

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