Specifications

2033D Specification
4
3.2 Input (Converter)
3.2.1 Nominal input voltage: 480V, 3 phase, 3 wire.
3.2.2 Input voltage range: +10%, -15% at 100% load. –15% to –30% at derating load.
3.2.3 Input frequency and range: 45.4 Hz to 65Hz.
3.2.4 Input power factor: .98 lagging typical at 100% load; 0.97 lagging typical at
50 % load.
3.2.5 Converter input current THD: 4% typical at 100% load. 7% typical at 50%
load.
3.2.6 Converter walk-in time: 10 seconds.
3.3 Input (Bypass)
3.3.1 Nominal input voltage: 480V, 3 phase, 3 wire.
3.3.2 Input synchronization voltage range: r 10% of nominal.
3.3.3 Input frequency tracking range: 60 Hz r 5% maximum.
The synchronous range shall be selectable 1% to 5% in increments of 1%.
3.3.4 Magnetized sub-cycle inrush current: typically 9 times normal full load current.
3.4 Output
3.4.1 Nominal output voltage: 480, 208 V, 3 phase, 4 wire.
3.4.2 Nominal dynamic voltage regulation:
a. r 1% for balanced loads.
b. r 2% for 100% unbalanced loads.
3.4.3 Manually adjustable output voltage: r 5% range.
3.4.4 Voltage transient response: Voltage transient response shall not exceed the
following, and shall recover to within nominal voltage regulation limits within
16.6 msec:
a. r 3% for a 100% load step.
b. r 1% (loss or return of AC input).
c. r 3% (inverter  bypass).