风电系统故障特征分析

WANG Chenqing

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风电系统故障特征分析

更新时间：2025-08-13

- 风电系统故障特征分析
- Automation of Electric Power Systems Vol. 39, Issue 21, Pages: 52-58(2015)
- 作者机构：
  
  西安交通大学电气工程学院,陕西省,西安市,710049
- 作者简介：
- 基金信息：
- DOI：
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- Published：2015
- 稿件说明：
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WANG Chenqing. [J]. Automation of electric power systems, 2015, 39(21): 52-58.
DOI：

WANG Chenqing. [J]. Automation of electric power systems, 2015, 39(21): 52-58. DOI：

摘要

故障特征分析是继电保护研究的基础

文中旨在通过风电机组的受控特性并结合电力电子器件的特点

揭示风电电源对电网故障响应的电气量特征

为现阶段研究含风电系统的继电保护奠定基础。文中首先从风电机组的结构出发

分析了影响风电电源故障特征的因素;然后通过对风电机组受控特性分析

并结合单台风电机组低电压穿越测试数据

给出风电电源受控下的故障特征;最后通过风电场电磁暂态仿真模型下的故障数据和现场故障录波数据

验证了所给出的一般故障特征。研究结果表明

风电电源在控制作用下和在电力电子自身特点限制下

具有弱馈、谐波、频率偏移和电源阻抗不稳定等特征。

Abstract

In order to lay the research foundation for the protection relay in the wind power integration

this paper analyzes general fault characteristics of wind power system based on the controlled characteristics of wind turbine generators and the features of power electronic devices. The fault characteristics of wind power system are determined by the source and the network topology. The influence factors of wind power source are first analyzed based on the structure of wind turbine generator. Then

depending on the control theory of wind power

the general fault characteristics of wind power source are studied with the test data of a single wind turbine generator in the low-voltage ride through (LVRT) process. Finally the general fault characteristics are verified by wind power system simulation and field fault record data. The research results reveal that under the control effect and the limit of power electronics

the wind power source has the fault characteristics of weak feedback

high harmonics

frequency deviated

and unstable source impedance. This work is supported by National Basic Research Program of China (973 Program) (No. 2012CB215105).

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