Alpha Technologies AMPS80 HP - Manual (Page 98)

Doc. #: 026-069-B0 Rev F 96
9. System Specifications
Model AMPS80-3-75 AMPS80-3-30 AMPS80-2-40 AMPS80-2-20
Input & Output Phase 120/208 V 3-ph 120/208 V 3-ph
120/240 V or
120/208 V 2-pole
120/240 V or
120/208 V 2-pole
Nominal Output Power (max) 7,500 to 75,000 VA 7,500 to 30,000 VA 5,000 to 40,000 VA 5,000 to 20,000 VA
Output Power (resistive load) 6,000 to 60,000 W 6,000 to 24,000 W 4,000 to 32,000 W 4,000 to 16,000 W
Maximum Output Current 208 Arms / phase 83 Arms / phase 167 Arms / phase 83 Arms / phase
Max. no. of 2,500 VA/2,000 W
inverter modules
30 12 16 8
Min. no. of 2,500 VA/2,000 W
inverter modules
3 3 2 2
Technology Twin Sine Inverter (TSI); each module has DC input & AC input
Static Switch Not required; each module has own static switch
Efficiency 94% AC-to-AC; 90% DC-to-AC (from 50% to 100% full load resistive)
Waveform Pure sine wave
Output Power Factor 0.8
Transfer time 0 ms
Warranty 2 years
Inverter Module AC Output
Nominal Voltage (AC) 120 V
Voltage Accuracy ± 2%
Frequency 60 Hz, Same as input frequency
Inverter frequency accuracy 0.03%
THD (resistive load) <1.5%
Transient load recovery time 0.4 ms
Soft start time 20 s
Max. crest factor at nominal
power
3.5
Short circuit overload capacity 10 x In for 20 msec in EPC mode (AC input)
Short term overload capacity 150% for 5 seconds
Permanent overload capacity 110%