Guide Specification – 3-Phase Static Uninterruptible Power Supply
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Current THD : <3% THD at 60%–100% load
<6% THD at 25%–59% load
(No input harmonic filter required)
4.1.3 Charging Function:
DC Nominal Voltage : 480 V
AC Ripple on DC Bus : < 0.2% of DC Voltage
DC Voltage Range : 400 V to 545 V
DC Float Charging Voltage : 545 V
Maximum charging current:
80 kVA : 20 A
100 kVA : 25 A
160 kVA : 40 A
225 kVA : 56 A
AC Ripple on DC Charging Circuit :
80 kVA : 0.23%
100 kVA : 0.23%
160 kVA : 0.23%
225 kVA : 0.29%
4.1.4 Bypass Input:
Configuration : 3-Phase/3-Wire + Ground
Rated Voltage : 480 V
Input voltage synchronous range : +/-10%
Rated frequency : 60 Hz
Frequency Variation : +/-5%
Frequency synchronous range : +/-1.0 Hz
Bypass overload capacity : 1000% for 1 cycle
4.1.5 AC Output:
Configuration : 3-Phase/3-Wire + Ground
Rated Capacity :80/100/160/225 kVA (72/90/144/202.5 kW)
Rated Voltage : 480 V
Efficiency at % Full Load : 20% 40% 60% 80% 100%
80 kVA 92.5% 95.6% 95.6% 95.6% 95.6%
100 kVA 92.5% 95.6% 95.6% 95.6% 95.6%
150 kVA 94.6% 96.2% 96.2% 96.2% 96.5%
225 kVA 94.7% 96.2% 96.2% 96.2% 96.5%
Voltage Regulation : +/-1% (0-100% Unbalanced Load)
: +/-1% (0-100% Balanced Load)
Voltage Adjustment Range : +/-3%
Rated Frequency : 60 Hz
Frequency Regulation : +/-0.01% (Free-Running Mode)
Frequency Synchronous Range : +/-0.5 Hz or +/-1.0 Hz (Selectable)
Rated Load Power Factor : 0.9 PF lagging
Overload Capacity : 125% for 2 min., 150% for 1 min.
