Specifications
98AEtypSMSspec_RevC.doc
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Copyright © 2007, Mitsubishi Electric Power Products, Inc.
SP-0012 Rev. C 09/05/09
2.1.3 AC Input
A. Nominal input voltage: 480V.
B. Number of phase: 3 phase, 3 wire, plus ground.
C. Voltage range: +15%, -15%.
D. Frequency and range: 60Hz +/-5%.
E. Power walk-in time: 10 seconds (0% to 100% load).
F. Power factor:
1. 0.98 leading typical at 100% load.
2. 0.90 leading typical at 50% load.
G. Reflected input current total harmonic distortion (THD):
1. 6% typical at 100% load.
2. 9% typical at 50% load.
2.1.4 Bypass Input
A. Nominal input voltage: 480V, 600V.
B. Number of phase: 3 phase, 4 wire.
C. Synchronization voltage range: +/-10% of nominal.
D. Frequency tracking range: 60Hz +/-5% Maximum.
(Bypass synchronous range shall be selectable from 1% to 5% in 1% increment)
2.1.5 AC output
A. Nominal output voltage: 480V/277V, 600V/346V.
B. Number of phase: 3 phase, 4 wire, plus ground.
C. Nominal dynamic Voltage regulation: +/-1% for unbalanced load.
D. Manually adjustable output voltage: +/-5% range.
E. Voltage transient response:
1. 100% step load: +/-2%.
2. Loss or return of AC input: +/-1%.
3. Retransfer from bypass to inverter: +/-5%
(Voltage transient response shall not exceed the above and shall recover to within
nominal voltage regulation tolerance within 16.7 msec.)
F. Frequency (inverter synchronous): 60 Hz (tracks frequency of static bypass source).
G. Free running output frequency (on battery or asynchronous): 60 Hz +/- 0.05%.
H. Frequency slew rate (inverter synchronized to static bypass): 1Hz to 10Hz/second
(selectable).
I. Output voltage harmonic distortion:
1. 2% maximum at 100% linear load.
2. 5 % maximum at 100% non-linear load.
(Load power factor range of 0.7 lagging to 1.0 within kW rating of UPS.)
J. Voltage phase angle displacement:
1. +/-1 degree for 100% balanced load.
2. +/-3 degree for 100% unbalanced load.
K. Overload capability:
1. 105% to 125% for 10 minutes (Voltage regulation maintained).
2. 125% to 150% for 1 minute (Voltage regulation maintained).
L. Fault clearing: Typically 500% for 1 cycle (utilizing bypass source).
1. Typically 1000% for 1 cycle (utilizing bypass source) (100kVA to 225kVA)
2. Typically 500% for 1 cycle (utilizing bypass source) (300kVA to 750kVA)