矿用高压防爆开关微机保护装置现状与展望

Status and prospect of microcomputer protection device for mine-used high-voltage explosion-proof switch

从硬件结构、基本功能等方面介绍了矿用高压防爆开关微机保护装置的现状;指出矿用高压防爆开关微机保护装置存在缺乏统一的标准、选择性漏电保护准确率低、防越级跳闸性能不全面、缺乏故障诊断功能、通信可靠性差等问题;提出了矿用高压防爆开关微机保护装置的发展趋势,包括技术标准统一、多判据融合的选择性漏电保护、基于智能变电站的防越级跳闸、矿用高压防爆开关故障诊断、多种通信方式组合等。

Status of microcomputer protection device for mine-used high-voltage explosion-proof switch was introduced from aspects of hardware structure and basic functions.Some problems of the microcomputer protection device for mine-used high-voltage explosion-proof switch were pointed out,such as lack of uniform standards,low accuracy of selective leakage protection,uncomprehensive performance of anti-override trip,lack of fault diagnosis function and poor communication reliability.Development trends of the microcomputer protection device for mine-used high-voltage explosion-proof switch were proposed,which included unified technical standards,selective leakage protection based on multi-criteria fusion,anti-override trip based on intelligent substation,fault diagnosis of mine-used high-voltage explosion-proof switch and combination of multiple communication modes.