Designed for use with 4160 V induction or synchronous motors up 2500 hp, the SC9000 CI medium-voltage variable frequency drive delivers the reliable performance and energy savings you expect from an SC9000 VFD but in up to 40% less floorspace! The SC9000 CI drive positions the optional output filter above the inverter, delivering a small footprint especially when long cable lengths are required. The SC9000 CI medium-voltage drive is a fully integrated drive with main bus, isolation switch, power fuses and vacuum contactor.
The SC9000 CI drive incorporates the same highly reliable neutral-point clamp topology as the SC9000 EP drive in addition to:
SC9000 family of medium-voltage VFDs utilize a “Soft-mag” pre-charge system which:
| POWER RATING | 100-1250 hp |
| INPUT VOLTAGE RATING | 2400-4160 V |
| OUTPUT VOLTAGE RATING |
0-2400 V 0-3300 V 0-4160 V Contact Eaton if higher output voltage is required |
| BASIC IMPULSE LEVEL (BIL) |
60 kv BIL |
| INTERRUPTING RATING | 50 kA rms symmetrical |
| AMBIENT TEMPERATURE (WITHOUT DERATING) |
0 to 40 degrees C |
| STANDARD OVERLOAD RATING (VARIABLE TORQUE) |
110% for 1 minute out of 10 minutes |
| OPTIONAL OVERLOAD RATING (CONSTANT TORQUE) |
150% for 1 minute out of 10 minutes |
| OUTPUT FREQUENCY |
1-120 Hz |
| UL | 347A |
| NEMA | ICS6/ICS7 |
| CSA | C22.2 |
| THIRD PARTY RECOGNITION/APPROVAL | UL/cUL available for most configurations |
| SEISMIC QUALIFICATION | IBC |
| ENCLOSURE TYPE |
Indoor with gaskets and filters |
| ACCESSIBILITY |
Front |
| INDOOR SECTION DIMENSIONS (TYPICAL) |
65" w x 50" d x 92" h Consult factory for applications above 1250 hp |
| BUS INSULATION | Heat shrink sleeve |
| BUS SUPPORTS | Glass polyester |
| COOLING | Forced air |
| SWITCHING DEVICE |
Medium voltage IGBT |
| DEVICE MOUNTING |
Draw-out inverter |
| ISOLATION TRANSFORMER | 24-pulse |
| INPUT POWER CIRCUIT PROTECTION | Vacuum contactor with current limiting fuses |
| HEAT LOSS | 23 Watts/horsepower (typical) |
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