OPTI-UPS SS45K33 - Manual (Page 12)

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12. Technical specifications
Input Characteristics
Capacity:
Voltage Range:
Phases:
Frequency Range:
Termination terminal block
45 KVA
380Y/220 Volt, +15% to ‐ 15% at 50 Hz for regulation.
Three phases‐4 wire ,Wye connection(R,S,T,N,G)
47‐53Hz for 50Hz models +/‐3Hz
terminal board
Output Characteristics
Voltage:
Phases:
Voltage Range:
Frequency Range:
Load Regulation:
Harmonic Distortion:
Efficiency:
Overload:
Wav e form:
Insulation Resistance:
Technology:
By‐pass Switch
Cooling:
Termination
380Y/220 Volt
Three phases‐4 wire ,Wye connection(U,V,W,N,G)
Regulated to ±1~2% of nominal voltage with an input voltage range of +15
to –15%
50Hz, for every 1% change in input frequency the output voltage will change by
1% in the same direction.
5%, no load to full load
non
97% at full load.
For 1 minutes 100%,for 30 minutes 125%,for 60 minutes 100%.
Sinewave
5 megaohms from winding to core measured at 500Vdc
This technique usesthe combination of a motor driven variable transformer with
buck‐boost transformer technology.
input power directly to load, bypassing the voltage regulator.
fan assisted
terminal board
Environmental
Audible Noise:
Ambient Temperature:
Operating Altitude:
Operating Humidity:
Heat Rejection:
Less than 65 dBA at 1.5 metre
0° to 40 °C Operating,
10° to 90 °C Storage
3,000 metre without derating
90% relative (non‐condensing)
At full load, 10% of VA rating x 3.41.
13‐ Machine schematic view/outline