Outline
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
| Sr. | Content | Unit | Value |
| 1 | Rated Input Voltage | V | 380±15% |
| 2 | Rated Frequency | Hz | 50/60±5 |
| 3 | Rated Output Voltage | V | DC220、DC110 |
| 4 | Output Voltage Adjustable Range | V | 180~286、90~143 |
| 5 | Rated Output Current | A | 6、10、20、30、40、50、60、80、100 |
| 6 | Battery Capacity | Ah | 10、20、38、50、65、80、100、150 |
| 7 | Stabilized Voltage Precision | 一 | ≤±0.5% |
| 8 | Stabilized Current Precision | 一 | ≤*0.5% |
| 9 | Ripple Factor | 一 | ≤±0.1% |
| 10 | Cooling Mode | 一 | Forced air cooling for intelligent temperature control type |
| 11 | Noise Level | dB | ≤50 |
Schematic diagram of structure
