Eaton’s SC9000 Encapsulated Powerpole (EP) variable frequency drive (VFD), available up to 12000 hp, is an award-winning medium-voltage drive combining innovation and dependability to deliver power, control and energy efficiency in a compact footprint. The SC9000 EP medium-voltage VFD is designed for reliability even in harsh industrial environments including oil and gas, utility, mining, and water and wastewater.
Energy efficiency is a powerful incentive to incorporate variable frequency drives but there is another major benefit to applying drives in medium-voltage applications: do more with less equipment. Learn 5 ways synchronous transfer VFDs reduce equipment costs and improve system reliability.
| POWER RATING | 300-6000 hp, 6500-12000 hp |
| INPUT VOLTAGE RATING | 2400-13800 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 °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 to 218" w x 50" d x 92" h Consult factory for applications above 6,000 hp |
| BUS INSULATION | Heat shrink sleeve |
| BUS SUPPORTS | Glass polyester |
| COOLING | Air cooled with heat pipes |
| 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 W/hp (typical) Consult factory for applications above 6,000 hp |
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