Three Phase AC Voltage Controller

Three Phase AC Voltage Controller

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Overall rating

To Construct Three Phase AC Voltage Controller.

Apparatus required

  • Three Phase AC Voltage Controller kit.
  • Patch chords.
  • Power chord.
  • Lamp Load or AC motor.
  • CRO

Circuit Diagram


Mimic Diagram



  • Connections are made as shown in circuit diagram.
  • First turn on SW2 (triggering pulse supply).
  • Turn on SW1 (input power supply).
  • By varying ?, observe corresponding Output voltage at load terminal.
  • To verify the motor speed and direction.

Output Waveform



Above experiment for Three Phase AC voltage controller was done and the result was verified with Output wave form.

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