智能微机小电流系统接地选线装置是适用于中性点不接地或经消弧线圈、大电阻接地的运行方式系统,能够迅速准确地查找出系统单相接地线路。装置以16位单片机为采集运算、逻辑判断和控制中心(CPU),以液晶显示器、信号灯指示、轻触式按键为人机接口。具有操作简单,选线准确,速度更快、运行可靠等特点。装置可记忆瞬间接地信息,能够区分母线接地和出线接地,还可配置通信接口将各种故障信息传送至有关部门。为现场运行人员提供了极大的方便。应用范围如下所示:
Intelligent micro-computer grounding line selection device for small current system is suitable for neutral non-grounding or arc suppression coil, large resistance grounding operation mode system, which can quickly and accurately find out the single-phase grounding line of the system. The device uses 16-bit single-chip computer as the acquisition and operation, logic judgment and control center (CPU), and liquid crystal display, signal lamp indication and touch button as the human-machine interface. It has the characteristics of simple operation, accurate route selection, faster speed and reliable operation. The device can memorize instantaneous grounding information, distinguish bus grounding from outgoing grounding, and configure communication interface to transmit various fault information to relevant departments. It provides great convenience for operators on site. The scope of application is as follows:
1.电压等级:0.4KV~66KV;
1. voltage level: 0.4KV~66KV;
2.中性点不接地的小电流系统或中性点经大电阻或消弧线圈接地的小电流系统;
2. Small current system with ungrounded neutral point or small current system with grounded neutral point through large resistance or arc suppression coil;
3.母线段数不大于四段,线路出线回路总数不大于60路;
3. the number of bus segments is not greater than four, and the total number of circuit outgoing loops is no more than 60.
4.广泛应用于电力系统变电站、发电厂以及煤炭、钢铁、冶金、化工等大型厂矿企业的供电系统。
4. Widely used in power system substations, power plants and coal, iron and steel, metallurgy, chemical and other large factories and mining enterprises power supply system.