GZDW series microcomputer control high frequency DC power supply cabinet
GZDW series of microcomputer-controlled high-frequency DC power supply cabinets are suitable for small and medium-sized power plants and substations as the operating power supply for high-voltage switching and closing, relay protection automatic devices, signaling devices, etc., as well as the DC power supply for accident lighting and control.
Description
Overview
GZDW series of microcomputer-controlled high-frequency DC power supply cabinets are suitable for small and medium-sized power plants and substations as the operating power supply for high-voltage switching and closing, relay protection automatic devices, signaling devices, etc., as well as the DC power supply for accident lighting and control.
Product features
● Adopting the unique modularized design of switching power supply, N+1 backup.
● Ultra-wide voltage input range, strong grid applicability, and can be used in places with relatively harsh environments.
● Charging module can be plugged and unplugged with electricity, online maintenance, convenient and quick.
● Adopting the latest international soft-switching technology, the maximum output current imbalance between modules is <3%.
● Monitoring module adopts large touch screen display with Chinese characters and sound and light alarms.
● Parameter setting of each part of the system can be carried out through the monitoring module, with friendly interface and convenient operation.
● Advanced functions such as smooth adjustment of output voltage and current, automatic battery compensation and so on.
● Open interface design, with powerful communication function, it is easy to realize the connection with RT device of substation or DCS of computer monitoring system of power plant.
● Three-level centralized monitoring system, realizing “telemetry, remote control, telecommunication, remote adjustment” and unmanned guarding of power supply system.
● Automatic battery management and protection, real-time automatic detection of battery terminal voltage, charging and discharging current, and control of battery equalization and float charging.
● Battery over/under voltage and charging overcurrent sound and light alarms.
Technical Parameters
Input power supply voltage: three-phase 380V, 15%, 50HZ
Output DC voltage: 220VDC, 110VDC
Output DC current: 5-200A
Rated capacity of battery: 10-1000AH
Float charge voltage stabilization range: 198-260VDC, 99-130VDC
Equalizing voltage range:198-280VDC,99-140VDC
Main charging voltage range:198-300VDC,99-150VDC
Current regulating range:0-100%
Voltage stabilization accuracy:≤Sg0.5%
Accuracy of current stabilization:≤Sg0.5%
Ripple coefficient:0.1%
Noise:≤55dB
Overall Dimension:2260*800*600mm(H*W*D)
Product Installation Diagram
Electrical sets
Contact
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No.12, Sanwing Road, Zhangdian District, Zibo City, Shandong Province, China
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