APC InfraStruXure Power Supply Specifications download pdf (Page 81)

InfraStruXure 20kW System: Installation, Operation, and Maintenance 75

Specifications

InfraStruXure 20kW System

Performance

Efficiency

AC–AC at nominal mains 91.5% Minimum from 75% to full load when

configured as 20kVA n+0

DC–AC at nominal battery voltage 94% Minimum from 75% to full load when

configured as 20kVA n+0

Electrical

Output

Output Power 20kVA / 20kW

Load power factor 0.5 to 1.0

Output Current—normal or battery operation

Full load 55.5A

Overload 1 83.3A 150% for 30 seconds

Crest factor 2.7

Output Current—static bypass

Overload 1 69.4A 125% continuous

Overload 2 555.1A 1000% for 500ms

Output Voltage—normal or battery operation

Nominal 208V

Minimum 205.9V -1%

Maximum 210.1V +1%

Dynamic load response +/- 5% For load step 0% to 100% or 100% to 0%.

Recovery back to steady state: < 60ms.

Total harmonic distortion (THD) < 2% 100% resistive load

< 6% Computer load as defined by EN50091-3/

IEC 62040-3

Output Frequency

Normal operation Synchronized to bypass input

Frequency is synchronized to mains over the range of 57

to 63Hz. Optional +/- 0.1Hz and +/-10Hz setting from

front panel.

Battery operation 60Hz

Slew rate 1 Hz/s

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 91 92

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APC InfraStruXure Power Supply Specifications Page 81