3-PHASE AC SQUIRREL CAGE INDUCTION MOTOR (DAHLANDER TYPE)





Description:

 

3-PHASE AC SQUIRREL CAGE INDUCTION MOTOR (DAHLANDER TYPE):

 

Introduction:

  • With the availability of 3Phase power becoming common, the use of 3Phase AC Squirrel cage motor became very common & today it holds 90% of the total market share. The simplicity in operation with the 3phase voltages & immediate torque made it a very common motor. Dahlander motor is just an extension with the flexibility that from 1 motor you can get 2 different fixed rpm, this is basically by changing the coil connections inside the motor.
  • This Model is the Industrial/Educational model suitable for demonstrating to students the complete know of the Basics, Components, Starting methods, Wear & Tear & Maintenance of these motors packaged in small rating.
  • Students can make connections of their own with the help of the terminations provided for study of features viz Starting methods, Speed control, Speed-Torque, Effect of Phase angle, Study of Cogging/Crawling, Effects of Single phasing, Effect of voltage imbalance operation, Blocked rotor test

 

Technical Specifications:

  • Power ratings available     : 350W / 750W / 1KW /2 KW / 3KW/ 5KW
  • Voltage Input                   : 440V AC 50 Hz
  • RPM                                 : 2pole & 4pole, (1400/2880), other options are (6pole/4pole)
  • Single / Double shaft extension, TEFC, IP44, IC01, B3, Class-B, S1, Casting body.

 

 

LIST OF EXPERIMENTS POSSIBLE

  • Starting by DOL Starter
  • Starting by Star-Delta Starter
  • Starting by reduced voltage starter.
  • Speed Control by VVVF method
  • Load test & No load test of machine
  • Speed-Torque Analysis
  • Voltage-Speed Analysis
  • Speed reversal
  • Efficiency Analysis
  • Blocked rotor test
  • Cold Resistance & Hot Resistance
  • Motor Operation parameters
  • Basic Overhauling Know how.

 

 

 

 

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