电光防爆开关P77-172.pdf

Mining explosion-proof and intrinsically safe high-voltage vacuum electromagnetic starter QJGZ- □/10(6、3.3)Y, QJGZ- □/10(6、3.3) 矿用隔爆兼本质安全型高压真空电磁起动器 用途 Purposes 适用于含有甲烷混合气体，具有爆炸危险的煤矿井下，在交流 50Hz，额定电压 10kV、6kV、3.3kV，额定电流至 630A 三相中性点不直接接地的供电系统中，对高压 电动机进行直接起动、停止控制， 同时对电动机及其有关供电电路进行保护。本起动器采用 JCZ5 型高压真空接触器、GWZBQ-10(6)G 型微机综合保护监控装置，性能稳定可靠，抗干扰能力强，配 RS485 标准通讯接口，与 KJ254 矿用电力监控系统连接，可实现远程自动控制及监测监控设备，达到无人值守。 It is applied to mixed gas containing methane, a dangerous coal mine explosion in the exchange of 50Hz, rated voltage of 10kV, 6kV, 3.3kV, rated 630A three-phase current to the neutral point is not directly grounding of the power supply system, to direct high voltage motor starter, and stop control at the same time on the motor and its associated power supply circuit protection The starter used GWZBQ-10(6)G-Computer Integrated protection monitoring devices, performance is stable and reliable, and strong interference capability, with standard RS485 communication interface with the power KJ254 mine monitoring system connectivity, remote control and can be realized monitoring equipment to unmanned. Mining explosion-proof and intrinsically safe high-voltage 77 78 vacuum electromagnetic starter QJGZ- □/10(6、3.3)Y, QJGZ- □/10(6、3.3) 矿用隔爆兼本质安全型高压真空电磁起动器 技术特征 Features ○ 全中文背光液晶显示，实时显示系统电压、三相电流、系统运行状态等重要信息 ; ○ 下拉式菜单设定 ; ○ 具有过载、过流、短路、欠压、过压、绝缘监视、断相、三相不平衡等保护功能 ; ○ 具有选择性接地 ( 漏电 ) 保护 ; ○ 具有电能计量功能 ; ○ 具备故障记忆，故障查询功能； ○ 具有参数设定密码锁定功能 ; ○ 使用智能化全数字测控保护装置，具有兼容的网络通信集成接口 (RS485)。 ○ Full Chinese LCD backlit, solid hour manifestation system electric voltage, three mutually electric current, system circulate appearance etc. importance information; ○ Descend the pull type menu enactment; ○ Once had to carry, lead to flow, short circuit, owe to press, lead press, insulate surveillance, break mutually, threemutually unbalance etc. protection function; ○ With selec