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Yangzhou Kaihong Power Technology Co., Ltd. (Yangzhou Headquarters)
Sales phone: 0514-87979963
Sales Straight 1: 13773587351
Sales line 2: 18932373905
Sales line 3: 15190420406
Company Fax: 0514-87580922
Sales email: yzkaihong@163.com
Company address: Xi'an Jiaotong University Pioneer Park, East Wuzhou Road, Yangzhou

High-voltage DC power supply
High-voltage DC power supply

High-voltage DC power supply is also called DC high-voltage power supply . It is an AC mains or three-phase power input, a DC voltage output of thousands of volts or more than tens of thousands of volts. The output power is hundreds of watts to several kilowatts. Steady flow. In the earlier DC high-voltage power supply, the AC mains or three-phase power was boosted from a high-frequency power transformer to AC high-voltage power, and then rectified and filtered to obtain DC high-voltage power. Due to the low frequency, the volume and weight of the power supply are relatively large, and the conversion efficiency and stability are poor. With the development and maturity of switching power supply technology, DC high-voltage power supplies developed using high-frequency switching conversion technology combined with the characteristics of high-voltage power supplies have become mainstream.

High-voltage distributed DC power supply


High-voltage distributed DC high-voltage power supply is a new type of DC power supply equipment, mainly used in small switch stations and user terminals, to provide reliable and uninterrupted control for secondary control lines (such as intelligent terminals such as microcomputer protection and indicators, analog indicators, etc.) Working power to avoid the loss of protection of microcomputer protection caused by AC power failure, and solve the problem of microcomputer protection failure caused by UPS failure due to operating overvoltage and harmonics and other factors. At the same time, it can also provide DC operating power for primary switching equipment (spring-type vacuum circuit breaker, permanent magnet mechanism vacuum circuit breaker, electric load switch, etc.) that meets the power requirements of the device.


Wall-mounted DC power supply


Wall-mounted DC power supply is suitable for small switch stations, small user substations and small 10KV substation systems. It adopts an integrated design concept and consists of a rectifier module, a monitoring module, a step-down unit, a power distribution unit, and a battery installation box; it has a small size, simple structure, and independence. Constitute the system and other characteristics; the monitoring module adopts LCD Chinese character menu display, which is perfect for system monitoring and battery automation management. It has four remote interfaces for connection with the automation system. It provides two communication interface options of RS232 and RS485. It provides three types of RTU, CDT, and MODBUS. Communication protocol selection.


Micro DC Power Supply


Miniature DC operating power supplies are mainly used in substations, switchgear, ring network cabinets and box-type substations. They are primary switching equipment (vacuum circuit breakers, vacuum contactors, load switches, etc.) and secondary control, protection and signal circuits ( (Such as microcomputer protection, remote control unit RTU, load control device, indicator lights, analog indicators, smart meters, etc.) to provide reliable DC high-voltage power .


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