Emerson 400V, 50 and 60 Hz, 30-200kVA Inverter output to critical load, Technical Specifications

Technical Specifications

Table 38 Inverter output to critical load

Rated Power	kVA	30	40	60		80		100	120	140	160	200
(load pf 0.8 lag)
(load pf unity)	kW	24	32	48		64		80	96	112	128	160
(load pf 0.9 lead)	kVA	24	32	48		64		80	96	112	128	160
Rated AC Voltage 1	V (ac)							380/400/415 V
		(three-phase, four-wire with neutral referenced to the bypass neutral)
Frequency 2	Hz						50 / 60
							110% for 60 min
Overload	% rated						125% for 10 min
								150% for 1 min
							225% for 200 msec
Fault Current	% rated			320% current limitation for 200 msec
Non linear load capability 4	% rated						100%
Neutral current capability	% rated				170%					152%		135%
Steady state voltage stability 5	%						± 1 (balanced load),
						± 2 (100% unbalanced load),
Transient voltage response 6	%						± 5
							< 1 (linear load)
Total Harmonic Voltage Distortion	%					<3.5 (non linear load, 380V)
(THDV) 4						<4.0 (non linear load, 400V
						< 4.5 (non linear load, 415V)
Synchronisation - Window	Hz		Rated frequency ± 2 Hz (selectable ± 0.5 to ± 3Hz)
- Slew Rate (Max change rate of	Hz/sec							1 Hz/sec
synch frequency)		selectable 0.1 to 3Hz/s (single UPS), 0.2Hz/sec (paralleled.UPS)
Inverter Voltage Tolerance	%V						± 5
	(AC)

1.Factory set to 400V – 380 or 415V selectable by commissioning engineer.

2.Factory set to 50Hz; 60 Hz selectable by commissioning engineer. Frequency converter operation also selectable.

3.EN 50091-3 (1.4.50).

4.Crest factor > 3:1 limited by IEC 62040-3 definition of non linear load.

5.EN 50091-3 (4.3.4).

6.EN 50091-3 (4.3.7) also for 0-100-0% load transient. Transient recovery time: return to within 5% of steady state output voltage within half a cycle.

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