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   Home   Traction Machines AC Traction Motor

 
AC Traction Motor
Traction Alternator
High Adhesion DC Traction Motor
High Power To Weight DC Traction Motor
DC Traction Motor

AC Traction Motor ( DR48/06AZ replaceable with ABB*** Part No. 6FRA6068 )

 

Traction motor type DR48/06AZ is a six pole forced ventilated, 3-phase squirrel-cage induction motor, is capable to deliver adequate starting torque at a low starting current for hauling a 6000 HP AC freight Locomotive, likes of WAG9 of Indian Railways. Some of the special features of the motor are:

Laminated frameless stator construction with no separate housing.

Use of zirconium copper (CDA Alloy No. C15000), a material with high tensile strength at elevated temperature, for rotor bars and short circuit ring, brazed together.

Stator coils with heat sealed, void-free polyimide (KAPTON-CR) covered copper conductors.

Silicone bonded glass backed mica paper for ground insulation with KAPTON film slot liners, on stator winding.

SG Iron cast end brackets for better mechanical strength.

VPI in H62 silicone varnish (Class 220) of M/s Wacker Silicones, for void free insulation, with anti-tracking silicone varnish coating on wound stator for environmental protection.

Halogen-free silicone rubber cables for supply connections.

Plug in pinion at drive end with oil lubrication for smooth transmission of torque to the Loco wheels for higher tractive effort.

 

Technical Details

DR PART NO.

DR48/06AZ

 
Technical Details

Continuous Rating
(Nominal Values)

Maximum Rating

Power (KW)

850

850

Voltage (V)

2180 (L-L)

2180 (L-L)

Current (A)

270

393

Frequency (Hz)

65

132

Connection/Pole

Y/6

 

Insulation Class

200

 

Slip

0.013

0.021

Slip Speed (rpm)

1283

2584

Synchronous Speed (rpm)

1300

2640

Torque (N-m)

6330

9200

Efficiency (%)

95

 

kW / Weight Ratio

0.404

 

Ventilation (forced)

1.35 cu.m/sec at 150 mmWG

 

Gear Ratio

15:77 plug in pinion

 

Standard Applicable

IEC 60349-2:2002

 

Motor weight bare (kg)

2100

 
 
 

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