Main distribution equipment role - Solutions - Huaqiang Electronic Network

Probe current voltage pin 420*4450 head diameter 5.0 over current current and voltage pin

Photocoupler

1. Distribution transformer. It plays the role of transforming voltage in the distribution substation, and is commonly used to convert the voltage of 3~10kV into 380/220V voltage to meet the needs of users.
2. Switching equipment. These include 3 to 10kV high-voltage switchgear and 380/220V low-voltage devices, which function to break or turn on the circuit.
3. Busbar. The busbar is divided into a high voltage busbar of 3~10kV and a low voltage busbar of 380/220V. Its function is to collect and distribute electric energy.
4. Insulators. The role of the insulator is to support and secure the current carrying conductor and to insulate the current carrying conductor from the ground.
5. Arrester. Its role is to protect other electrical equipment from lightning strikes.
6, capacitors. Capacitors in power distribution equipment are mainly used to phase shift and compensate reactive current to provide the power factor of the network.
7, transformers. The transformer includes two types of current transformers and voltage transformers. It is used to change the AC current and voltage. It is used to supply power to the measuring instrument, the voltage coil and the current coil of the relay respectively, so as to correctly reflect the normal operation of the equipment and the network. And fault conditions.
8, fuses. The fuse is a simple and simple manufacturing protection device, which is used in the distribution network to protect the distribution lines and power distribution equipment. That is, when the network is overloaded or short-circuited, the fuse can automatically disconnect the circuit separately, thereby achieving the purpose of protecting the electrical equipment.