• What is the working principle of the power regulator thyristor regulator

    What is the working principle of the power regulator thyristor regulator

    The power regulator thyristor regulator is the abbreviation of thyristor rectifier element. It is a four-layer structure high-power semiconductor device with three PN junctions, also known as thyristor. It has the characteristics of small size, relatively simple structure and strong functions, and i... read more

    18-11-2020 News
  • What are the functions of the power regulator

    What are the functions of the power regulator

    1. Electronic over-current protection function: Cut off the over-current measured by the load current detection CT to protect the thyristor components.Maintain constant voltage characteristics through voltage feedback: The voltage control function provides a stable output and achieves linear charac... read more

    18-11-2020 News
  • What is the role of electromagnetic relay

    What is the role of electromagnetic relay

    Commonly used electromagnetic relays include current relays, voltage relays, intermediate relays and time relays. The intermediate relay is actually a kind of voltage relay, but it has a large number of contacts with large capacity, which plays the role of intermediate amplification. Commonly used e... read more

    18-11-2020 News
  • Classification of low-voltage electrical appliances

    Classification of low-voltage electrical appliances

    Low-voltage electrical appliances are conventionally divided into the following two categories according to the relationship between the systems used:   1. Low-voltage distribution appliances Low-voltage distribution appliances are mainly used in low-voltage power supply systems. When the circuit ha... read more

    18-11-2020 News
  • What are the categories of electromagnetic contactors?

    What are the categories of electromagnetic contactors?

    1. DC contactor It is generally used to control DC electrical equipment. DC current is applied in the coil. The operation principle and structure of DC contactor are basically the same as that of AC contactor. Because it can quickly cut off the AC and DC main circuits and can be frequently connected... read more

    18-11-2020 News
  • What are the characteristics and selection methods of DC contactors

    What are the characteristics and selection methods of DC contactors

    The DC contactor adopts a modular design, which can assemble the number of contact paths required by the customer and the form of contacts required by the customer (normally open, normally closed and converted) with the fewest parts; the contact breaking voltage of this series of products is high ,... read more

    18-11-2020 News
  • What are the methods of debugging the relay?

    What are the methods of debugging the relay?

    1. Before using the relay, check whether there is any damage during transportation, that is, set it at the first setting point, turn the movable system in the direction of the magnetic pole by hand, and then release it, the movable system should be turned back to the original position Until it stop... read more

    18-11-2020 News
  • Will there be a sound during the operation of the time relay

    Will there be a sound during the operation of the time relay

    The function of the time relay is very wide and wide, and there are many types, mainly used for circuit control, which can also be called a circuit switch, then, will the time relay work make a sound, the following is Explain this problem to everyone. There are many types of relays.Generally, mechan... read more

    18-11-2020 News
  • The purpose and classification of control relay

    The purpose and classification of control relay

    The purpose and classification of the control relay is an automatic electrical appliance. It is suitable for long-distance connection and disconnection of AC and DC small-capacity control circuits and is used for control, protection, and signal conversion in electric drive systems. The input quantit... read more

    18-11-2020 News