Gas Compression Electric Motors

CN3086 Electric Motor for Gas Compression

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OVERVIEW

Get power built for your most demanding gas compression applications. Every Cat® electric motor is tested at each stage of production to make sure it performs reliably under load and according to your process requirements. High operating efficiency and low operating costs come with low noise levels and no emissions. Cat electric motors for gas compression are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.

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Full Specifications
Standard Equipment

Voltage/Frequency
4000V & 4160V ± 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
8
Full Load Speed
892 r/min
Electric Motor Type
Squirrel Cage Induction Motor
Enclosure Type/Method of Cooling
WP-II
Rated Torque
17658 lb/ft
Maximum Altitude - Before Derate
3300 ft
Maximum Ambient Temperature
104 °F
Connection of Stator Winding
Star
Shaft
8.5 in
Standards
NEMA MG1
Insulation
Class F
Temperature Rise
Class B at rated load
Duty
Continuous
Locked Rotor Torque
50%
Full Load Current
390 Amps
Service Factor
1.15 SF (1.0 VFD)
Locked Rotor Amps
490% Code E
No Load Current
108 Amps

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