Industry News

       
  • What is the development prospect of the relay industry

    2021-01-23

    With the gradual implementation of the ten major industry revitalization policies, the demand and application fields of relays in my country will continue to grow. Traditional electromechanical relays...

  • What is the function of the relay coil?

    2021-01-16

    A relay (English name: relay) is an electrical control device. It is an electrical appliance that causes the controlled quantity to undergo a predetermined step change in the electrical output circuit...

  • What are the structure and characteristics of a magnetic latching relay

    2021-01-09

    Divided into two layers, the upper layer is the electromagnetic system, and the lower layer is the contact system. The magnetic latching relay system adopts a flat direct-acting magnetic holding magne...

  • How to calibrate the setting voltage of AC variable frequency power supply

    2020-12-31

      1. Calibration method. The insulation resistance test of the safety energy meter shunt comprehensive tester is to add a certain DC voltage (generally 200V to 1000V) for testing. When calibrating, fi...

  • How to confirm the saturation of current transformer

    2020-12-26

      In order to study the operating characteristics of the current transformer, and confirm whether it will be full and affect the correctness of the maintenance operation when maintaining external faul...

  • How to treat the future development of magnetic latching relay technology

    2020-12-18

      The rapid development of computer technology, modern communication technology, optoelectronic technology and space technology has put forward new requirements for relay technology. The development o...

  • What is the purpose of the resistance box?

    2020-12-12

    What is the purpose of the resistance box? The resistance box is a box type resistor. It is formed by several fixed-value resistors with different resistances connected in a certain way. Next, the ed...

  • What is the principle of the shunt

    2020-12-04

    What is the principle of the shunt The shunt is used to measure DC current, and is mainly made based on the principle that a voltage will be generated across the resistor when the DC current passes th...

  • Do you know the basic working principle of signal relay

    2020-11-28

    Do you know the basic working principle of signal relay The basic working principle of the signal relay, the single phase meter shunt is a commonly used device in the automatic control system. It is g...

  • What are the common problems of relays

    2020-11-14

    What are the common problems of relays 1. The relay is not disconnected 1) The load current is greater than the rated switching current of the SSR, which will permanently short-circuit the relay. At t...

  • What is the definition of relay and its important role

    2020-11-06

     A relay is a component that produces a predetermined jump in one or more of its output when the input reaches the specified conditions. The electromagnetic relay can be simply understood as a switch ...

  • What is the purpose of current transformer

    2020-10-30

    What is the purpose of current transformer Current transformers are very similar to transformers. Transformers are mainly used to change the voltage of the line on the line, while current transformers...