Power supply system


Input: AC 3Ø 220V or AC 3Ø 380V
Output: 27V, 1200A
Power: 32400W
Efficiency: 90%
Size (W x D x H): 668 x 620 x 1850 mm
Application: Digital cellular system
  / Base station transceiver system

 
Specifications
INPUT

Voltage: AC 3Ø, 220V or AC 3Ø 380V
Frequency: 47 ~ 63 Hz
Efficiency: > 90% at full load
Power factor: 90% at full load

OUTPUT

Floating Voltage: 24V ~ 28V adjustable
Rated Max. Current: 100A/Module, 1200A/Rack
Current Limit: 100 ~ 115%
Regulation: ±0.5%
Noise :< 2mV (psophometric noise)
< 10mV rms
< 250mV p-p (peak to peak)
< 58dBA (acoustic noise)
Load sharing: Forced load sharing within ±10% full load
Protection: Circuit breakers
Over Voltage protection circuit
Under voltage protection circuit
Battery overdischarge protection circuit
Over current limiting circuit
Surge: 6KV (1.2x50), 3KA (8x20)

Special Features
Microprocessor control unit provides excellent control between the rectifier units
Field enhancements are as easy as plugging in another
rectifier unit, maximum of12 rectifier units can be mounted
Automatic battery charge
System status can be reported to remote station through serial terminal port
Alarm automatically sent to operator by pager
Saves operation data automatically
Environment
Forced air convection cooling
Operating Temperature: 0°C ~ 50°C
Switching Humidity: ~90%
Dimensions
Module: 177(W) x 400(D) x 299(H) mm
Rack: 668(W) x 620(D) x 1850(H) mm

 
 
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