Input Specifications |
Nominal Voltage 3 phase, 3 wire + ground | 380 Vac, 3Φ (operating range 342 - 418 Vac) 415 Vac, 3Φ (operating range 373 - 456 Vac) 440 Vac, 3Φ (operating range 396 - 484 Vac) 480 Vac, 3Φ (operating range 432 - 528 Vac) |
Frequency | 50 Hz (operating range 45 - 55 Hz) 60 Hz (operating range 54 - 66 Hz) |
Power Factor | > 92% at maximum power: 100 kW and 150 kW modules > 96% at maximum power: 250 kW modules |
Output Specifications |
Line Regulation | Voltage Mode: ± 0.004% of full scale Current Mode: ± 0.02% of full scale |
Load Regulation | Voltage Mode: ± 0.01% of full scale Current Mode: ± 0.04% of full scale |
Load Transient Response | 2 ms to recover within ±1% of regulated output, with a 50% to 100% or 100% to 50% step load change |
Efficiency | ≥ 90% at full load |
Stability | ± 0.10% for 8 hrs. after 30 min. warmup |
Isolation | User inputs and outputs: referenced to earth ground Maximum input voltage to ground: ±2500 Vac Maximum output voltage to ground: ±1000 Vdc for models less than or equal to 1000 Vdc ±4000 Vdc for models greater than 1000 Vdc |
Maximum Slew Rate | Standard Models: 100 ms for output voltage change from 0 to 63% 100 ms for output current change from 0 to 63% With High Slew Rate Option (+HS): 4 ms for output voltage change from 0 to 63% 8 ms for output current change from 0 to 63% |
Bandwidth | Standard Models: 3 Hz for remote analog voltage programming 2 Hz for remote analog current programming With High Slew Rate Option (+HS): 60 Hz for remote analog voltage programming 45 Hz for remote analog current programming |