Xtreme Power Conversion Corporation
M90 User’s Manual
Page 67
Uninterruptible Power Supply
Ripple voltage
% V float ≤1
Ripple current
% C10
≤5
Boost voltage
VRLA
2.35V/cell
Constant current and constant voltage charge mode
EOD voltage
V/cell
1.67V/cell
Battery charge
V/cell
Limit current and constant voltage charge mode
Floating Voltage 2.3V/cell
Boost charging 2.35V/cell
Battery charging power
1
max current
A
8 / per power module (adjustable)
Note:
At low input voltage the UPS recharge capability increases with load decrease (up to the maximum ca
-
pacity indicated).
Electrical Characteristics (Inverter Output)
Rated power (kVA)
Unit
20 ~ 60
Rated AC voltage1
Vac
208/220 (three-phase four-wire, with neutral reference to
the bypass neutral)
Frequency
Hz
50/60 Auto Selectable
Overload
%
105%~110% for 60min; 110%~125% for 10min; 126%~150%
for 1min; >150% for 200ms
Neutral current capability
%
170%
Steady state voltage stability
%
±1 (balanced load), ±2 (100% unbalanced load)
Total harmonic voltage
%
<2 (linear load), <4 (non-linear load)
Synchronization window
+/- 1Hz, +/- 2Hz, +/- 4Hz (default: 4Hz)
Note:
Factory setting is 208V. 220V is selected by commissioning engineer.
Electrical Characteristics (Bypass Mains Input)
Rated power (kVA)
Unit
20 ~ 60
Rated AC voltage
1
Vac
208/220 (Three-phase four-wire, sharing neutral with the rec
-
tifier input and providing neutral reference to the output)
Rated current
A
60KVA -> 167
Overload
%
105%~110% for 60min; 110%~125% for 10min; 126%~150%
for 1min; >150% for 200ms
Upstream protection, bypass line
N/A
Circuit breaker, rated up to 100% of nominal output current.
Current rating of neutral cable
A
1.7 × In
Frequency
Hz
50/60 Auto Selectable
Transfer time (between bypass and
inverter)
ms
Synchronous transfer: ≤20ms
Bypass voltage tolerance
%Va c
Upper limit: +10, +15 or +20, default: +15
Lower limit: -10, -20, default: -20
(delay time to accept steady bypass voltage: 10s)
Frequency Range
Hz
+/- 1Hz, +/- 2Hz, +/- 4Hz (default: 4Hz)
Note:
Factory setting is 208V. 220V is selected by commissioning engineer.
Summary of Contents for M90
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Page 76: ...Xtreme Power Conversion Corporation M90 User s Manual Page 76 Uninterruptible Power Supply ...
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