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Cat Electric Drive Motors for Gas Compression
CN1566 Electric Motor
| Electric Motor Specifications | |
|---|---|
| Voltage/Frequency | 4000V u00b1 10%/60 Hz |
| Type of EX-Protection | Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC) |
| Mounting Designation | F1 or F2 |
| Number of Poles | 6 poles (6 poles) |
| Electric Motor Type | Squirrel Cage Induction Motor |
| Full Load Speed | 1189 r/min (1189 r/min) |
| Shaft | 130 mm (5.1 in) |
| Standards | NEMA MG1 |
| Connection of Stator Winding | Star |
| Locked Rotor Torque | 60% |
| No Load Current | 67 Amps |
| Locked Rotor Amps | 500% Code E |
| Service Factor | 1.15 SF (1.0 VFD) |
| Enclosure Type/Method of Cooling | WP-II |
| Duty | Continuous |
| Temperature Rise | Class B at rated load |
| Maximum Ambient Temperature | 40 u00b0C (104 u00b0F) |
| Maximum Altitude - Before Derate | 1000 m (3000 ft) |
| Rated Torque | 8982 N·m (6625 lb/ft) |
| Full Load Current | 202 Amps |
| Insulation | Class F |
Standard Equipment
- Bearings
- Bearing RTDs for temperature monitoring
- Insulated non-drive end bearings to reduce bearing currents
- Anti-friction on 1500 hp (optional)
- Rotors
- Designed for minimal vibration
- Dynamic balancing at full operational speed
- Fabricated copper squirrel cages
- Oversized, forged, keyless shaft
- AISI 4140/DIN42CrMo4 shaft
- Stators
- Radial air ducts ensure uniform and efficient cooling
- Vacuum pressure impregnated with specially formulated epoxy resin
- 2X RTDS per Phase
- Space heater
- Welded and machined stator core retains its rigidity throughout motor life to ensure a sealed and homogeneous insulation system that results in high dielectric strength, excellent heat transfer and the elimination of hazardous internal partial discharges