基于电流补偿法的矿井高压电网漏电保护系统  

The Selective Leakage Protection System of High-voltage Distribution Network for Mine Based on Current Compensation Method

作　　者：于群[1] 刘兴邦 曹娜[1] 

机构地区：[1]山东科技大学信电学院,山东济南250031 [2]山东田庄煤矿,山东兖州272003

出　　处：《煤矿机电》2004年第3期31-33,共3页Colliery Mechanical & Electrical Technology

摘　　要：本文提出了在中性点对地绝缘方式的矿井高压电网中采用零序电流补偿法实现选择性漏电保护新方法。理论分析和实验表明,该方法简单可靠、灵敏度高。A new method for the selective leakage protection system of high-voltage distribution network for mine using isolated neutral-point to ground — zero sequence current compensation method is presented in this paper. The theoretical analysis and experiments show that the method is easily implemented in the protection of a microprocessor based on simple, reliable operation and high sensitivity.

关 键 词：电流补偿法 漏电保护 矿井高压电网 中性点对地绝缘 单相接地 故障选线 

分 类 号：TM714.3[电气工程—电力系统及自动化] TD611.5[矿业工程—矿山机电]