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

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

doi:10.12152/j.issn.1672-2868.2019.03.012

Journal of Chaohu University >

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

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

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

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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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NIU Jin-cai , WANG Zheng-chuang , TANG Rui-hua , DING Wei-min . Research on Low Voltage Ride Through of Wind Turbine Based on Energy Dissipation Crowbar Circuit[J]. Journal of Chaohu University, 2019 , 21(3) : 89 -92 . DOI: 10.12152/j.issn.1672-2868.2019.03.012

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