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Powerware
®
9155 UPS (8–15 kVA) User’s Guide S 164201553 Rev D www.powerware.com
Table 19. Technical Specifications
Technology
Online, double-conversion, split-phase topology with Static Bypass switch and
optional 3-position Maintenance Bypass switch.
Frequency independent operation.
Input Voltage Range
75–144 Vac per phase
Input Isolation
Transformer Input
Voltage Range
208V or 240V ±20%
Input Power Factor
>0.99 at full load nominal line conditions
Input Rated Voltage
100/200, 110/220, or 120/240 Vac with 180° phase displacement
120/208 or 127/220 Vac with 120° phase displacement
Input Frequency Range
45–65 Hz
Input Rated Frequency
50/60-Hz selectable, auto-configuring
Output Voltage
Regulation
±1% static, Phase to Neutral
±2% static, Phase to Phase
±5% dynamic at 100% resistive load change
Response time <1 ms
Output Voltage
Distortion
<2% T HD linear load
<5% THD non-linear load
Output Frequency
50/60-Hz selectable or auto-configuring
Output Frequency
Regulation
Synchronization to line
Output Frequency
Conversion
Frequency/phase-converter operation with derated output load capacity to 80%;
Frequency Conversion mode can be configured through the front panel or
through XCP commands.
Bypass is not available in Frequency Conversion mode.
Output Overload
101–110% for 10 minutes
111–125% for 60 seconds
126–149% for 5 seconds
>150% for 300 milliseconds