双馈风力发电系统故障特性及保护方案构建

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Abstract This paper discusses how the fault locations, action of crowbar protection and the proportional and integral coefficient of rotor side inverter affect the magnitude and decay time of doubly-fed induction generator(DFIG)’s short-circuit current. The simulation indicates the “multi-waveform” fault characteristics of DFIG current fed into the grid, which is due to the multi rotor exciting models. Based on this, a grid connecting-point protection scheme for wind farm is proposed. The scheme is composed of advanced current protection and low voltage protections, which can not only reliably remove the fault happened on the tie line, but also ensure the wind farm to operate under fault condition. The proposed protection scheme is of great significance to realizing the reliable operation and fast fault restoration of the grid with high penetration wind generators.

Key words： DFIG fault characteristic low voltage ride-through grid connecting-point protection

Received: 23 March 2010 Published: 20 March 2014

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	Articles by authors
	Han Aoyang
	Zhang Zhe
	Yin Xianggen
	Zhang Jian
	Liang Minghui

Cite this article:

Han Aoyang,Zhang Zhe,Yin Xianggen等. Research on Fault Characteristic and Grid Connecting-Point Protection Scheme for Wind Power Generation With Doubly-Fed Induction Generator[J]. Transactions of China Electrotechnical Society, 2012, 27(4): 233-239.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I4/233

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作者简介:撖奥洋男, 1980年生, 博士研究生, 主要研究方向为风力发电系统的保护与控制, 含分布式电源的电网系统安全稳定运行等。张哲男, 1962年生, 教授, 博士生导师。主要研究方向为电力系统继电保护, 安全稳定控制, FACTS技术, 电力电子技术及其在电力工程中的应用。