Traction Motor Technical Details
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Questions and Answers

How many traction motors are provided in one motor coach?

  • Two
  • Six
  • Eight
  • Four (correct)

    • What is the type designation of the traction motor?

  • 1TB2022-0TA04
  • 1TB2022-0TA02
  • 1TB2022-0TA03 (correct)
  • 1TB2022-0TA01

    • What is the flux density in the air gap of the traction motor?

  • 1.0 T
  • 0.6 T
  • 0.8 T (correct)
  • 0.5 T

    • What is the maximum motor speed when the wheel is fully worn?

    <p>3452 rpm</p> Signup and view all the answers

    What is the thermal class of the traction motor?

    <p>200</p> Signup and view all the answers

    What is the specific electric loading of the traction motor?

    <p>476 A/cm</p> Signup and view all the answers

    What is the diameter of the stator bore?

    <p>325 mm</p> Signup and view all the answers

    How many poles does the traction motor have?

    <p>6</p> Signup and view all the answers

    What type of connection is used for the traction motor?

    <p>Star</p> Signup and view all the answers

    What is the maximum torque for a new wheel of the traction motor?

    <p>2903 Nm</p> Signup and view all the answers

    What is the torque specified for both DC and AC modes?

    <p>1147 Nm</p> Signup and view all the answers

    What is the maximum starting current of a new wheel?

    <p>276 A</p> Signup and view all the answers

    Which material is used for the gear wheel and pinion?

    <p>17rNiMo6</p> Signup and view all the answers

    What is the power factor during continuous operation?

    <p>0.79</p> Signup and view all the answers

    What type of bearing is used for the NDE motor bearing?

    <p>Deep Groove Ball Bearing</p> Signup and view all the answers

    Which oil is recommended for the motor NDE bearing?

    <p>Shell Retinax LX2</p> Signup and view all the answers

    What is the refilling quantity of gear oil in liters?

    <p>2.5 liters</p> Signup and view all the answers

    What is the rated frequency for the one hour operation?

    <p>101.5 Hz</p> Signup and view all the answers

    Which component has a maintenance checklist that includes stator resistance?

    <p>Motor</p> Signup and view all the answers

    What is the gear ratio specified for the system?

    <p>5.71</p> Signup and view all the answers

    What is the flux density in the rotor yoke of the traction motor?

    <p>0.75 T</p> Signup and view all the answers

    What is the air gap measurement specified for the traction motor?

    <p>1.5 mm</p> Signup and view all the answers

    What is the maximum rating for motor speed when the wheel is fully worn?

    <p>3452 rpm</p> Signup and view all the answers

    What is the diameter of the rotor in the traction motor?

    <p>322 mm</p> Signup and view all the answers

    What is the thermal class rating of the traction motor?

    <p>200</p> Signup and view all the answers

    What type of connection is employed in the traction motor?

    <p>Star</p> Signup and view all the answers

    What is the specific air ventilation rate for the traction motor?

    <p>0.25 m2/s</p> Signup and view all the answers

    What is the continuous operation rating for current in the AC-DC EMU?

    <p>200 A</p> Signup and view all the answers

    Which power output can be achieved according to the two-minute rating?

    <p>300 kW</p> Signup and view all the answers

    What is the efficiency percentage during DC mode operation?

    <p>95%</p> Signup and view all the answers

    What is the initial quantity of gear oil required for the motor according to the manual?

    <p>2.8 liters</p> Signup and view all the answers

    Which type of bearing is used for the motor's DE bearing?

    <p>Cylindrical-Roller Bearing</p> Signup and view all the answers

    What is the make of the gear and pinion used in the system?

    <p>Flender</p> Signup and view all the answers

    What is the one-hour voltage rating for the AC-DC EMU motor?

    <p>993 V</p> Signup and view all the answers

    What is the type of lubrication used for the NDE bearing?

    <p>Grease Lubrication</p> Signup and view all the answers

    What is the refilling quantity of oil for the motor's NDE bearing?

    <p>26 g/Bearing</p> Signup and view all the answers

    What is the power factor specified for the continuous operation of the motor?

    <p>0.79</p> Signup and view all the answers

    What is the air gap specified for the traction motor?

    <p>1.5 mm</p> Signup and view all the answers

    What is the mechanical air ventilation rate for the traction motor?

    <p>0.25 m2/s</p> Signup and view all the answers

    What is the torque specified for continuous operation of the AC-DC EMU motor?

    <p>1147 Nm</p> Signup and view all the answers

    What is the efficiency percentage during continuous operation of the AC-DC EMU motor?

    <p>94 %</p> Signup and view all the answers

    What is the maximum starting current of a half-worn wheel?

    <p>267A</p> Signup and view all the answers

    What type of lubrication is used for the DE bearings?

    <p>Oil Lubricated</p> Signup and view all the answers

    What is the continuous operation voltage rating for the AC-DC EMU motor?

    <p>932 V</p> Signup and view all the answers

    What is the required insulation resistance during commissioning?

    <p>10 MΩ</p> Signup and view all the answers

    Which component does the maintenance checklist include regarding resistance?

    <p>Stator Resistance</p> Signup and view all the answers

    What is the frequency rating during continuous operation?

    <p>101.5 Hz</p> Signup and view all the answers

    What type of bearing is specified for the NDE in the motor?

    <p>Deep Groove Ball Bearing</p> Signup and view all the answers

    Study Notes

    Traction Motor Technical Details

    • Four traction motors per motor coach
    • Two pairs connected to different PWM inverters

    Type Designation

    • 1TB2022-0TA03

    Electrical Data

    • Manufacturer: Siemens
    • Number of Poles: 6
    • Specific Electric Loading: 476 A/cm2
    • Air Gap Flux Density: 0.8 T
    • Stator Yoke Flux Density: 1.0 T
    • Rotor Yoke Flux Density: 0.75 T
    • Thermal Class: 200
    • Connection: Star
    • Supply Cable: 1 x 35 mm2 per phase

    Mechanical Data

    • Air gap: 1.5 mm
    • Air ventilation: 0.25 m2/s
    • Stator bore diameter: 325 mm
    • Rotor diameter: 322 mm
    • Core length: 350 mm

    Maximum Ratings

    • Maximum Motor Speed (fully worn wheel): 3452 rpm
    • Maximum Torque (new wheel): 2903 Nm
    • Maximum Power (at tractive effort curve): 84 kW

    Ratings

    • DC-Mode: Voltage 932 V, Current 200 A, Power 240 kW, Power Factor 0.81, Frequency 101.5 Hz, Speed 2000 rpm, Torque 1147 Nm, Efficiency 95%
    • AC-Mode: Voltage 993 V, Current 211 A, Power 270 kW, Power Factor 0.79, Frequency 101.5 Hz, Speed 2000 rpm, Torque 1290 Nm, Efficiency 93.5%
    • Two Minute Rating: Voltage 1043 V, Current 223 A, Power 300 kW, Power Factor 0.79, Frequency 101.5 Hz, Speed 2000 rpm, Torque 1434 Nm, Efficiency 93.5%

    Maximum Starting Current

    • New wheel: 276 A
    • Half worn wheel: 267 A

    Gear Ratio

    • 5.71 (97 teeth gear wheel / 17 teeth pinion)

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    Related Documents

    AC-DC EMU Maintenance Manual PDF

    Description

    Explore the technical specifications of traction motors used in motor coaches, including electrical and mechanical data, maximum ratings, and gear ratio. This quiz will help you understand the essential aspects of traction motor design and efficiency.

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