Emerson 208V Inverter Output, Inverter output, Bypass Input Bypass input, UPS Specifications

Models: 10-30kVA 208V

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6.4.4 Inverter Output

UPS Specifications

6.4.4 Inverter Output

 

 

 

 

 

 

Table 14 Inverter output

 

 

 

 

 

 

 

 

 

 

 

 

 

Rated Power

10kVA

15kVA

 

20kVA

 

30kVA

 

 

 

 

 

 

 

Rated voltage, VAC

 

 

120/208

 

 

 

 

 

 

Supply

 

3-phase, 4-wire plus ground

 

 

 

 

 

 

 

Frequency, Hz

 

 

50 / 60

 

 

 

 

 

 

 

 

 

Rated Power, kW

8

12

 

16

 

24

 

 

 

 

 

 

Three -phase transient overload,

 

10 minutes - 105-125% load

 

min. load

 

1 minute - 126-150% load

 

 

 

 

Voltage Regulation %

±1.0% three-phase RMS average for a balanced three-phase load

 

 

±2.0% three-phase RMS average for a 100% unbalanced load

 

Frequency Regulation %

Nominal frequency regulation is ±0.05% in single module mode,

 

 

and+/- 0.25% in parallel mode.

 

 

 

 

Maximum rate of change of

For single mode, the slew rate is adjustable from 0.1Hz/s to 3Hz/s

 

frequency, Hz/sec

 

 

 

 

 

 

Current rating of neutral cable, A

 

1.5 x input current

 

 

 

 

 

 

 

 

6.4.5 Bypass Input Table 15 Bypass input

Rated Power

10kVA

 

15kVA

20kVA

 

30kVA

 

 

 

 

 

 

 

Rated voltage, VAC

 

120/208

 

 

 

 

 

 

 

Supply

 

 

Three-phase, 4-wire plus ground

 

 

 

 

 

 

 

 

Rated Current, A

 

 

 

 

 

 

208VAC

28

 

42

56

 

83

 

 

 

 

 

 

Bypass voltage tolerance %

Upper limit: +10%, +15% or +20%

Upper limit default: +15%

 

Lower limit: -10%, -20%, -30% or -40%

Lower limit default: -20%

 

 

 

Frequency, Hz

 

50 / 60

 

 

 

 

 

 

 

Input frequency tolerance %

 

 

± 10 or ± 20%; default ±10%

 

 

 

 

 

 

Current rating of neutral cable, A

 

 

1.5 x input current

 

 

 

 

Time

Load

 

Bypass overload capacity

 

Long-term operation:

<135% load

 

(all ratings)

 

 

10 minutes:

135% - 170% load

 

 

 

 

100milliseconds:

1000% full UPS rated output current

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Emerson 208V, 10-30kVA installation manual Inverter Output, Inverter output, Bypass Input Bypass input, UPS Specifications