GZDW series microcomputer type high frequency switching DC power supply cabinet is in accordance with the technical conditions of "DC Power Ministry order DL/T459-2000" and "JB/T5777.4-2000" electric power system power equipment general specification and safety requirements for DC switch technology and computer technology combined with the development and manufacturing experience in DC system for years and development, rectifying part adopts the modular redundancy (N+1) design, with electric plug, the monitoring unit adopts high performance high speed PLC or industrial computer.12 inch touch screen operation, graphical user interface, with remote control and telemetry, remote signaling, remote regulating function, is the high quality of the DC operation power supply model. Suitable for 500KV and below substations, unattended locations in power plants.

System parameters:

AC input voltage (five -10%~+15%) AC380V

Frequency 50HZ + 2%

Working environment temperature -5 -45

The noise is less than 45DB

Current unbalanced degree more than 5%.

Output voltage range DC198-286V/99-143V

Output current 5A-200A (N+1)

The ripple coefficient is less than 0.5%

The precision less than 0.5%

The steady precision is less than 1%