An overview of the

GZDW series dc power supply system to the enclosed cabinet put oneself in another's position structure, device adopts the advanced high frequency switch power supply module and the microcomputer monitor. Making a complete set of dc power supply device has the full automation, the characteristics of high reliability, small volume, large capacity. GZDW series dc power supply device with a variety of main wiring scheme to meet the accessory requirements of various kinds of dc system. Suitable for small and medium-sized power stations, substations, industrial and mining enterprises operating power supply in transformer room and hotel tower. Can meet the normal operation of equipment and the accident situation of relay protection, signal system, high voltage circuit breaker closing and accident load requirements.

The main technical parameters

1. The ac power source rated voltage: 380 v + / - 20%

2. The rated frequency ac power: 50 hz plus or minus 10%

3. The rated voltage dc systems: 48 v / 110 v / 220 v

4. The output voltage range: + 90% to + 145% for the Un

5. Storage battery capacity: 10-300 ah

6. Voltage accuracy: + / - 0.5% or less

7. Steady flow accuracy: + / - 0.5% or less

8. Ripple factor: plus or minus 0.1% or less