直流母线过压对风电机组高电压穿越影响

doi:10.11930/j.issn.1004-9649.201901035

中国电力 ›› 2020, Vol. 53 ›› Issue (11): 106-110,125.DOI: 10.11930/j.issn.1004-9649.201901035

直流母线过压对风电机组高电压穿越影响

张光儒¹, 拜润卿¹, 朱宏毅¹, 杨勇¹, 徐宏雷², 马喜平¹, 董开松¹

1. 国网甘肃省电力公司电力科学研究院，甘肃兰州 730070;
2. 国网甘肃省电力公司，甘肃兰州 730030

收稿日期:2019-01-19 修回日期:2020-03-24 出版日期:2020-11-05 发布日期:2020-11-05
通讯作者: 国家电网公司科技项目(多直流弱送端电网新能源紧急功率控制技术研究及示范，52272219000S)
作者简介:张光儒(1989—)，男，硕士，工程师，从事主动配电网和新能源调度、运行控制技术研究，E-mail：guangruzhang@163.com
基金资助:
This work is supported by Science and Technology Project of SGCC (Research and Demonstration of New Energy Emergency Power Control for Multi-DC Weak Sending End Power Grid, No.52272219000S)

Influence of Converter DC Bus Overvoltage on Wind Turbine High Voltage Ride Through Capabilities

ZHANG Guangru¹, BAI Runqing¹, ZHU Hongyi¹, YANG Yong¹, XU Honglei², MA Xiping¹, DONG Kaisong¹

1. State Grid Gansu Electric Power Research Institute, Lanzhou 730070, China;
2. State Grid Gansu Electric Power Company, Lanzhou 730030, China

Received:2019-01-19 Revised:2020-03-24 Online:2020-11-05 Published:2020-11-05

摘要/Abstract

摘要： 针对某风电场双馈机组的现场高电压穿越测试中变流器故障导致风电机组脱网的问题，通过对风电机组变流器过压的深入分析，提出了一种风电机组在高电压穿越期间动态调整变流器母线参考电压的方法，解决了现场变流器过压保护导致风电机组脱网的问题。通过现场实测验证了所提策略的有效性，为风电机组的高电压穿越能力改造提供借鉴，为防范直流送端新能源电力系统的震荡提供了有益参考。

关键词: 直流特高压, 风电机组, 高电压穿越, 现场实测

Abstract: Off-grid occurred in a wind farm caused by converter fault during field test of the DFIG (doubly feed induction generator) high voltage ride through (HVRT) capabilities. Through an in-depth analysis of the overvoltage of the wind turbine converter, a method was proposed for dynamic adjustment of converter DC bus reference voltage during wind turbine HVRT, which solved the off-grid problem of wind turbines caused by overvoltage protection of converter. Field test verified the effectiveness of the proposed method, which can provide useful experience for improving the wind turbine HVRT capabilities, and a reference for preventing the oscillation of renewable energy DC sending-end power system.

Key words: UHV DC, wind turbine, high voltage ride through, field test

张光儒, 拜润卿, 朱宏毅, 杨勇, 徐宏雷, 马喜平, 董开松. 直流母线过压对风电机组高电压穿越影响[J]. 中国电力, 2020, 53(11): 106-110,125.

ZHANG Guangru, BAI Runqing, ZHU Hongyi, YANG Yong, XU Honglei, MA Xiping, DONG Kaisong. Influence of Converter DC Bus Overvoltage on Wind Turbine High Voltage Ride Through Capabilities[J]. Electric Power, 2020, 53(11): 106-110,125.

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https://www.electricpower.com.cn/CN/Y2020/V53/I11/106

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直流母线过压对风电机组高电压穿越影响

Influence of Converter DC Bus Overvoltage on Wind Turbine High Voltage Ride Through Capabilities

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直流母线过压对风电机组高电压穿越影响

Influence of Converter DC Bus Overvoltage on Wind Turbine High Voltage Ride Through Capabilities

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