FC回路高压接触器限时电流速断保护定值的选择方法

华电技术 ›› 2008, Vol. 30 ›› Issue (2): 67-69.

FC回路高压接触器限时电流速断保护定值的选择方法

韩令珠

华电国际十里泉发电厂，山东枣庄277103

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-02-25 发布日期:2008-02-25
通讯作者: 韩令珠

Choice of FC circuit high voltage contactor time limit current quick break protection value

HAN Ling-zhu

Shiliquan Power Plant, Huadian Power International Co.,Ltd., Zaozhuang 277103, China

Received:1900-01-01 Revised:1900-01-01 Online:2008-02-25 Published:2008-02-25

摘要/Abstract

摘要： 通过对发电厂6kV厂用系统FC回路短路故障电流的计算和对NT型高压熔断器安-秒特性的分析，结合高压电动机在启动、堵转和轴承机械卡塞时的电流特性，给出了FC回路高压接触器限时电流速断保护定值的选择方法，

关键词: FC回路高压接触器, 限时电流速断保护, 配置方法

Abstract: By calculating the fault current of 6kv system FC circuit in power plant, and analyzing the ampere-second characteristic of NT type high voltage fuse, while considering the current characteristics when the high voltage motor started, stopped because of blockage, and bearing blocked, the choice method of FC circuit high voltage contactor time limit current quick break protection value was supplied.

Key words: FC circuit high voltage contactor, time limit current quick break protection, configuration method

韩令珠. FC回路高压接触器限时电流速断保护定值的选择方法[J]. 华电技术, 2008, 30(2): 67-69.

HAN Ling-zhu. Choice of FC circuit high voltage contactor time limit current quick break protection value [J]. Huadian Technology, 2008, 30(2): 67-69.