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DC Traction Motor

DC Traction Motor ( DR46/09AZ replaceable with GE*761A23 )

 

Traction Motor DR46/09AZ is a series wound, four pole, forced ventilated DC motor, suitable for Standard Guage and Metre Gauge Diesel Electric Locomotives. This motor can also be used on Medium Power, BG Diesel Electric Locomotives. Some of the salient features are:

Fully fabricated magnet frame.

Arch bound commutator, dynamically seasoned, with L-shaped Teflon ring protection.

Heat sealed Kapton film insulated armature conductors

TIG welded armature.

Polyimide film (kapton), mica paper and PTFE tape based insulation for armature and field
coils.

Main field and compole coils bonded with poles for improved heat dissipation.

VPI of armature and field coils in solventless polyesterimide resin (Class 200) to obtain void free insulation.

Armature assembly with sealed bearing arrangement.

Sleeve type axle bearings, lubricated with spring loaded felt wick lubricator.

 

Technical Details

DR PART NO.

46/09AZ

Technical
Details

Continuous Rating

One Hour Rating

Maximum Rating

Power (kW)

279

278

-

Voltage (V)

575

570

1000

Current (A)

551

555

720

Speed (rpm)

970

951

3100

 

Insulation Class

Modified Class 200

Ventilation

Forced

Air Quantity

57 cu.m/min

Gear Ratio

18:94

Standard Applicable

IEC 60349

Weight with Accessories:

1961 kg

 
 

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