| AC Supply Voltage |
2300, 3300, 4160, 6000/7200V, 11-15kV VAC +10% to -15%, 50/60 Hz line voltages |
| HP Ratings |
Up to 10,000HP @ 7.2kV (800 Amps max)
Up to 20,000HP @ 15kV (800 Amps max)
Contact factory for higher rating requirements |
| SCR Overload Ratings |
500% - 60 seconds, 600% - 30 seconds |
| Power Circuits |
Series strings of SCR powermodules (1, 2 or 3matched pairs of SCRs per phase depending on voltage rating) |
| SCR Peak Inverse Voltage |
Line Voltage 2,300V, PIV Rating 6,500V
Line Voltage 3,300V - 4,160V, PIV Rating 13,000V
Line Voltage 6,000V - 7,200V, PIV Rating 19,500V
Line Voltage 11,000V - 15,000V, PIV Rating 39,000V |
| BIL Rating |
2,300V - 7,200V: 60kV
11,000 - 15,000V: 110kV |
| Transient Voltage Protection |
dv/dt circuits (1 per SCR pair) |
| Vacuum Bypass Contactor |
Standard on allmodels, line start rated |
| Ambient Operating Conditions |
0 - 50°C (82° F to 122° F) (Optional -20° to 50° C with heaters)
5 - 95% relative humidity
0 - 3300 ft (1000m above sea level without derating) |
| Digital Control Unit (DCU) |
Programmable keypad/operator with 2 lines x 20 character backlit LCD display. Status/Alarm LEDs (indicate: Power, Run,
Alarm, Trip, Aux 1 - 8) |
| Auxiliary Contacts |
Multiple FormC contacts rated 5A @ 250VACmax. 6 fully programmable relays (including fail-safe operation) 5 dedicated
relays (fault, at-speed, etc. ) |