Power supply system


Input: AC 3Ø 220V or AC 3Ø 380V
Output: 27V, 900A
Power: 24300W
Efficiency: 88%
Size (W x D x H): 880 x 750 x 1880 mm
Application: PCS base station transceiver system
 
Specifications
INPUT

Voltage: 3Ø 220Vac ±10% 3W 3Ø 380Vac ±10% 4W
Frequency: 60 Hz ±5%
Power Factor: 90% (50% ~ 100% typical load)
Efficiency: 88% (50% ~ 100% typical load)
OUTPUT

Floating Voltage: 21V ~ 27V adjustable
Rated Max. Current: 100A /Module x 9, 900A/Rack
Current Limit: 90~105%
Regulation: ±0.5%
Noise: < 2mV (psophometric noise)
< 10mV rms
< 250mV p-p (peak to peak)
< 68 dBA (acoustic noise)
Load Sharing: < 10A
Protection: Over Voltage: only faulty module shut down
Over Current: Short circuit protection
Thermal protection: shut down at abnormally high temperature
Surge: 6KV (1.2x50), 2KA (8x20)
Special Features

Hot pluggable
n+1 redundancy
Automatic battery charge
System status can be reported to remote station through serial terminal
Alarm automatically sent to operator by pager
Saves operation data automatically.
The output can be boosted up to 25V when battery backup is used
Environment
Operation Temperature: 0°C ~ +50°C
Operating Humidity Range: 10 ~ 90%
Cooling: Forced air convection cooling
Dimensions
Module: 177(W) x 400(D) x299(H) mm
Rack: 880(W) x 750(D) x 1880(H) mm
 
 
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