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.
