9.4 UPS system output
Table 31: UPS system output
Number of output phases 3 phases, or 1 phase, N
Rated output voltage 220/380 V; 230/400 V; 240/415 V,
configurable
Rated output frequency 50 or 60 Hz, user configurable
Total voltage harmonic distortion:
100% linear load, 91PS
100% non-linear load, 91PS
100% linear load, 93PS
100% non-linear load, 93PS
< 2%
< 4%
< 1.5%
< 3.5%
Output frequency variation +/- 0.1 Hz (with 1 UPM), +/- 0.15 Hz
(with 2 UPMs)
Slew rate 0.4 Hz/s
Output current See Table
19: 93PS rated and
maximum currents for rated power and
voltage (3–phase input, 3–phase
output models) and
20: 91PS rated
and maximum currents for rated power
and voltage (3-phase input, 1-phase
output models)
Overload capability at ambient 40 °C (in the
double conversion mode)
102-110 % rated power for 10 min
111-125 % rated power for 60 s
126-150 % rated power for 10 s
> 150% rated power for 300 ms
Overload capability at ambient 40 °C (in the
stored energy mode)
102-110 % rated power for 10 min
111-125 % rated power for 60 s
126-150 % rated power for 10 s
> 150% rated power for 300 ms
Overload capability at ambient 40 °C (in the
bypass mode)
Continuous ≤ 125% load
Transient ≤ 1000% RMS current for 20
ms
Note! Bypass fuses may limit the
overload capability
Load power factor (rated) Nominal 1.0
© Eaton Corporation plc 2020. All rights reserved. Revision: 006 Document ID: P-164000493 115
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Eaton 91PS/93PS UPS 8–40 kW User’s and Installation Guide
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