基于耗能型Crowbar的风电机组低电压穿越能力研究

牛进才; 王正创; 唐瑞华; 丁为民

doi:10.12152/j.issn.1672-2868.2019.03.012

巢湖学院学报 >

2019 , Vol. 21 >Issue 3: 89 - 92

DOI: https://doi.org/10.12152/j.issn.1672-2868.2019.03.012

工程与技术

基于耗能型Crowbar的风电机组低电压穿越能力研究

牛进才 ,
王正创 ,
唐瑞华 ,
丁为民

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1. 巢湖学院电子工程学院袁安徽巢湖238000；2. 巢湖学院信息工程学院，安徽巢湖238000

牛进才（1985-），男，河南周口人，巢湖学院电子工程学院助教，主要从事人工智能及电机控制技术研究。

收稿日期: 2018-10-30

网络出版日期: 2019-05-25

基金资助

巢湖学院科学研究项目（项目编号：XLY-201704、XLZ-201804、XLZ-201808）

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Research on Low Voltage Ride Through of Wind Turbine Based on Energy Dissipation Crowbar Circuit

NIU Jin-cai ,
WANG Zheng-chuang ,
TANG Rui-hua ,
DING Wei-min

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1. School of Electronic Engineering, Chaohu University, Chaohu Anhui 238000;
2. School of Information Engineering, Chaohu University, Chaohu Anhui 238000

Received date: 2018-10-30

Online published: 2019-05-25

Supported by

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摘要

摘要：风电机组的低电压穿越（LVRT）能力是风电大规模并网运行的必要条件，是电网故障情况下风电机组具有不间断并网运行能力的保证。采用耗能型Crowbar 电路对风电机组的低电压穿越能力进行研究，运用Matlab/Simulink 工具箱对其进行仿真分析。结果表明，耗能型Crowbar 电路能够对直流母线的过电压进行有效保护，实现了低电压穿越的要求，且该方案的电路拓扑结构简单，可靠性较高。

关键词： 风力发电; 电压跌落; 低电压穿越; 撬棒电路

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牛进才 , 王正创 , 唐瑞华 , 丁为民 . 基于耗能型Crowbar的风电机组低电压穿越能力研究[J]. 巢湖学院学报, 2019 , 21(3) : 89 -92 . DOI: 10.12152/j.issn.1672-2868.2019.03.012

Abstract

Abstract: Low voltage ride through capability of wind turbine is a necessary condition for large-scale grid connected operation. It is the guarantee that the wind turbine has the capability of continuous operation. In this paper, the energy dissipation Crowbar circuit is used to study the low voltage ride through capacity of wind turbine, and the simulation analysis is carried out by using the MATLAB/Simulink toolbox. The simulation results show that the energy-dissipating Crowbar circuit can effectively protect the over-voltage of DC-link and realize the requirement of LVRT. The scheme has simple circuit topology and high reliability.

Key words： wind power; voltage dip; low voltage ride through; Crowbar circuit

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