self-polarizing relay

Magnetic latching relay is a new kind of relay with pulse drive and function of self-latching.

磁保持继电器是一种脉冲驱动且具有自保持功能的新型继电器.

The application of self-excitation delay relay in the breaker stored energy electromotor control loop

自励式延时继电器在断路器储能电机控制回路中的应用

A Unit with Functions of Spectrum Monitoring, Self-excitation Detection and Isolation Degree Test for Wireless Relay Station

无线通信同频中继站的频谱监测、自激检测与隔离度测试功能单元设计

Built-in AC contactor, thermal relay and universal self-reset converting switch.

内装交流接触器, 热继电器,自复位万能转换开关等.

The main contents include: With combination of Z-N PID self-tuning formula and relay self-adaptation control methods, the PID parameters of weld area of furnace is given automatically.

结合Z&N PID自整定公式和继电自整定控制方法，自动整定加热炉焊接区的PID参数。