The high voltage DC power supply is input by ac or three-phase power supply. The voltage output is up to several thousand volts or tens of thousands of volts, and the power is up to several hundred watts to several kilowatts. It has the function of stabilizing voltage and current.

100KW battery discharger

 

The early high voltage DC power supply will ac or three-phase power by the power frequency high voltage transformer boost to generate AC high voltage, and then through the rectification filter to get dc high voltage, but it has low frequency, large volume, large weight, poor stability, low conversion efficiency. With the continuous development of power supply technology, the DC high voltage power supply developed by using high frequency switching technology combined with the characteristics of high voltage power supply has become the mainstream.

High voltage DC power supply has the advantages of small volume, light weight, high efficiency, large power, small ripple, low energy storage, high stability and high reliability. In order to meet the needs of different customers, some manufacturers of high voltage DC power supply is composed of stable voltage and current automatic conversion form.

So what is the classification of high voltage DC power supply?

1, high voltage distributed DC power supply: it is a new type of DC power supply equipment, mainly used for small switch stations and user terminals, to provide reliable uninterrupted power supply for the secondary control line, so as to avoid the microcomputer protection in the ac power failure lose protection effect.

2. Wall-mounted DC power supply: it is mainly used in small switch stations, small user substations and small 10KV substations. The system is composed of rectifier module, monitoring module, step-down unit, power distribution unit and battery installation box. It has the characteristics of small volume, simple structure and independent system.

3, micro DC operating power supply: it is mainly used in substation, switching station, ring cabinet and box substation and other places. Reliable DC power supply for primary switching equipment and secondary control, protection and signal loops.