Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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基于电池储能的并网变换器在风电系统中应用及其控制

来源:电工电气发布时间:2016-03-11 12:11 浏览次数:10

基于电池储能的并网变换器在风电系统中应用及其控制 

王旻玮1,魏大洋2,刘悦3

1 华中科技大学 电气与电子工程学院,湖北 武汉 430074;
2 国网常州供电公司,江苏 常州 213000;3 重庆大学 电气工程学院,重庆 400044
 
 

摘 要:为解决风力发电直接并网会对电网产生很大冲击的问题,提出了一种基于电池储能的并网变换器,该并网变换器在风电系统应用中能平抑风电功率波动,在电网发生故障时提供无功功率,孤岛运行状态下向当地负荷提供不间断供电,并在电网恢复正常运行后,实现从离网到并网的快速无冲击切换。在MATLAB/SIMULINK中搭建了基于电池储能的并网变换器模型,仿真结果验证了分析的正确性。
关键词:电池储能;并网变换器;风电场;电压源型变流器
中图分类号:TM614 文献标识码:B 文章编号:1007-3175(2015)10-0029-05


Application and Control of Grid Converter Based on Battery Energy Storage in Wind Power System 

WANG Min-wei1, WEI Da-yang2, LIU Yue3 
1 School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;
2 State Grid Changzhou Power Supply Company, Changzhou 213000, China;
3 School of Electrical Engineering, Chongqing University, Chongqing 400044, China
 
 

Abstract: In order to solve the problem that the direct output power of wind power system has great impacts on the power quality and stability of power grid. This paper proposed a grid converter based on battery energy storage. In wind power system the grid converter could smooth the wind power fluctuations, supply the reactive power for the grid when grid faults occurred, and achieve the uninterruptible power supply for local loads under the conditions of grid-isolated operation and the rapid switching from grid-isolated to grid-connected with no impact after the grid resumed normal operation. By using MATLAB/ SIMULINK, this paper established the model of battery energy storage grid-connected system. The simulation results verify the correctness of the analysis. 
Key words: battery storage; grid converter; wind power plant; voltage source converter


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