Specifications

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3.4.6. Output frequency slew rate (inverter synchronized to static bypass): 1 Hz, 2 Hz
or 3 Hz/second (selectable).
3.4.7. Free running output frequency (on battery or asynchronous): 60 Hz +/- 0.05%.
3.4.8. Output voltage harmonic distortion:
a. 2% THD maximum with 100% linear load.
b. 5 % THD maximum with 100% non-linear load. Load power factor
range of 0.7 lagging to 1.0 within kW rating of UPS.
3.4.9. Output overload capability:
a. 105% to 125% for 10 minutes. (voltage regulation maintained).
b. 126% to 150% for 1 minute (voltage regulation maintained).
3.4.10. Output fault clearing:
Typically 1000% for 1 cycle (utilizing bypass source): 100 kVA ~ 225 kVA
Typically 500% for 1 cycle (utilizing bypass source): 300 kVA ~ 500 kVA
3.5. Environment
The UPS shall be capable of withstanding any combination of the following external
environment conditions without mechanical damage, electrical failure or
degradation of operating characteristics.
3.5.1. Efficiency:
a. DC to AC (emergency mode, 100% load): XX %
b. AC to AC (normal mode, 100% load): XX %
3.5.2. Ambient operating temperature range: 0 to +40 degrees °C (no derating
required).
3.5.3. Recommended operating temperature range: +20 to +30 degrees °C.
3.5.4. Storage temperature (non-operating): -20 to +70 degrees °C.
3.5.5. Relative humidity
a. Maximum operating range: 5% to 95% (non-condensing).