CN3586 Electric Motor for Gas Compression

Specifications

Full Specifications

Electric Motor Specifications

Type of EX-Protection
Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC)

Mounting Designation
F1 or F2

Voltage/Frequency
4000V & 4160V ± 10%/60 Hz

Full Load Speed
894 rpm

Electric Motor Type
Squirrel Cage Induction Motor

Number of Poles
8

Maximum Ambient Temperature
104 °F

Full Load Current
458 Amps

Shaft
8.5 in

Rated Torque
20555 lb/ft

Maximum Altitude - Before Derate
3300 ft

Locked Rotor Amps
540% Code E

Connection of Stator Winding
Star

Standards
NEMA MG1

Duty
Continuous

Enclosure Type/Method of Cooling
WP-II

Locked Rotor Torque
60%

Service Factor
1.15 SF (1.0 VFD)

No Load Current
137 Amps

Insulation
Class F

Temperature Rise
Class B at rated load

Equipment

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
• 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

Resources

Cat Electric Motors for Gas Compression