风电场单相接地引起全场停电的原因分析  

Cause Analysis of Power Outage Caused by Single-Phase Grounding of Wind Farm

作　　者：柴海超 郑祥云 CHAI Haichao;ZHENG Xiangyun(Huadian Weifang Power Generation Co. ,Ltd. ,Weifang 261204,China)

机构地区：[1]华电潍坊发电有限公司,山东潍坊261204

出　　处：《电工技术》2019年第3期61-63,共3页Electric Engineering

摘　　要：针对某风电场集电线路CT下口单相接地故障造成的全风场停电事故,通过分析故障过程、故障历史记录、现场保护装置及设备情况等,找出故障原因,并为继电保护整定计算提供依据,最后结合规程规范要求采取相应防范措施,使风电场运行更可靠。For the full wind farm power outage due to single-phase ground fault at the lower entrance of the collector line CT of a womd farm, the fault process, fault history records, field protection devices and equipment conditions were analyzed accordingly to find out the causes of the fault, and some basis was provided for the calculation of relay protection adjustment. Finally, the corresponding preventive measures were taken in accordance with the requirements of the rules and regulations to make the operation of the wind farm more reliable.

关 键 词：风电场 单相接地 相间故障 

分 类 号：TM507[电气工程—电器]