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122 Powerware BPIII Harsh Environment UPS 50--75 kV Installation and Operation
164291261 Rev. F 111503
System Output
Rectifier/Charger Capacity 135% + 6 Kw
DC Filtering Ripple voltage less than 0.5% peak to peak
UPS Output Capacity 100% current at 0.8 power factor
Output Voltage Regulation 1% (10% to 100% load)
Output Voltage Adjustment 480 VAC nominal, adjustable from 452 VAC
to 508 VAC (60 Hz only)
Output Voltage Harmonic Content 2 % max THD, 2% max single (for linear load)
Output Voltage Balance 2% for 100% maximum load imbalance
Output Voltage Phase
Displacement
2˚ for 100% maximum load imbalance
Output Transients 5% for 100% load step or removal
Frequency Regulation 0.005 Hz free running
Synchronous to Bypass Bypass within voltage limits of +5%, ---8% of
output setting; bypass within 0.5 Hz
Frequency Slew Rate 1 Hz per second maximum
Overload Capability Up to 125% for 15 minutes
Above125% for 30 seconds
1000% for 10 cycles with bypass
Maximum Output Capability 300% peak for 10 cycles without bypass