This new generation of microcomputer controlled direct-current power supply panel GZDW/GZTW series adopts integrated module structure, is mainly composed of monitoring module, rectifier module, insulated monitoring module, battery inspection module, AC/DC monitoring module, switching value monitoring module, step-down module, distribution unit, storage battery and cabinet body, is featured with flexible configuration, stable performance, friendly interface, simple operation, intellectualized management, etc. The products are widely applied to various power plants, transformer substations, mobile communication station, industrial and mining enterprises, electrified railways, airports, havens, high-rise buildings, residential areas, etc, also can be used as operating and control source of high-voltage switch, electromechanical protection, automatic device, communication equipment, SPC exchange, electric carrier and other equipment.

Model and meaning

Scope of application

The microcomputer-controlled DC power supply screen GZDW is an integrated power supply screen designed for users of different capacities. The system is mainly composed of monitoring module, rectifier module, AC/DC monitoring module, insulation monitoring module, battery inspection module, switch monitoring module and step-down module. It has stable performance, friendly interface, simple operation and intelligent management.

It is suitable for substations, power plants, industrial and mining enterprises, electrified railways and high-rise buildings in different voltage levels. It can be used as operating power and control power for high-voltage switches, relay protection, and automatic devices.

Industry Standard

DL/T459-2000 Specifications of D.C supply cabinet in power system

DL/T637-1997 Specification for order of the valve regulated sealed lead-acid batteries

DL/T724-2000 Specification of operation and maintenance of battery DC wer supply equipment for electric power system

DL/T781-2001 High frequency switching converter module in power system

DL/T856-2004 DC electrical source supervisor for electric power

DL/T857-2004 Specification of rectification inversion equipment for battery of power plant and substation

DL/T5044-2004 Technical code for designing DC system of power projects

DL/T5120-2000 DC System design code for small electric power project

The main technical parameters

Schematic diagram of structure