Wind storage isolated network system experiment method

An experimental method and technology of wind storage and isolation network, applied in the field of experiments, can solve the problems limited by experimental conditions and equipment, and achieve the effect of being convenient for commercial development, easy to implement, and good for commercial development prospects.

Active Publication Date: 2019-03-01
SHENYANG INST OF ENG
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Problems solved by technology

Some literatures study the operation mode and planning configuration of isolated microgrids such as wind storage, and propose the configuration scheme and typical network topology of isolated microgrids; some literatures apply the control methods of traditional power grids to isolated microgrids, and propose The master-slave control method and peer-to-peer control strategy of the power grid, and then conduct experimental analysis of different operating states; some research institutions have established experimental systems for isolated micro-grids, and verified wind power from multiple perspectives such as physical simulation and computer simulation. The feasibility of the isolated grid storage system is limited by the experimental conditions and equipment, and needs to be

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  • Wind storage isolated network system experiment method

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Embodiment Construction

[0071] figure 1 It is a schematic diagram of the wind storage isolated grid system. The system composition of the wind storage isolated grid system mainly includes: wind power generation system, energy storage unit and load.

[0072] The wind storage isolated grid system is mainly composed of wind turbines, rectification and inverter control systems, energy storage systems and AC loads; the energy storage system is connected to the AC bus as an energy conversion device, which can store the excess power generated by the wind turbines and stabilize System power fluctuations and improved power quality can also supply power to loads under extreme weather conditions, maintain the stability of system voltage and frequency, and ensure the power supply quality of the wind storage isolated grid system to meet the power requirements of the loads.

[0073] The working process of the wind storage isolated grid system is as follows: the wind turbine captures the maximum mechanical power fr...

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Abstract

The present invention relates to an experiment method, especially to a wind storage isolated network system experiment method. The method performs experiment research for a whole established wind storage isolated network system in a series of experiment conditions with different states and different capacities so as to comprehensively understand the operation features of the wind storage isolatednetwork system and perform deep analysis. The method comprises the following steps of: the step 1, constructing a wind storage isolated network system experiment platform; the step 2, performing experiment for different capacity configurations of energy storage units of the wind storage isolated network system; and the step 3, performing experiment for different operation condition states of the wind storage isolated network system.

Description

technical field [0001] The invention relates to an experimental method, in particular to an experimental method based on a wind storage isolated grid system. Background technique [0002] In distributed energy generation, wind power generation is the project with the most mature technology, the most development conditions and good development prospects. However, limited by the acceptance capacity of large power grids, problems such as "difficulty in grid connection" and "abandonment of wind" in the process of large-scale integration of wind power into the power grid have become major problems restricting the development of wind power. In view of the above-mentioned problems of wind power grid connection, experts at home and abroad have proposed wind-storage combined power generation technology. With the reduction of the cost of energy storage devices and the maturity of technology, wind storage isolated grid power generation technology, as an effective form of wind storage ...

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Application Information

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IPC IPC(8): G01R31/08
CPCG01R31/086
Inventor 叶鹏赵思雯姚天昊赵叙龙牛潇何金松安宁崔成双顾盈之
Owner SHENYANG INST OF ENG
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