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Forced Commutated Circuits

Forced Commutated Circuits

Product Code : JL-PET-1438

Forced Commutated Circuits

  • Power Electronic Training Board has been designed specifically for to study the forced commutated circuits.
  • Practical experience on this board carries great educative value for Science and Engineering Students.


  • To study the forced commutated circuits
  • Class - A or self commutation by resonating the load
  • Class - B or self commutation by an LC circuit
  • Class - C or commutation through charged capacitor switched by another load carrying SCR
  • Class - D or commutation through charged capacitor switched by an auxiliary SCR
  • Class - E or an External pulse source commutation


The board consists of the following built-in parts :

  • 30V D.C. at 150mA Fixed Power Supply
  • 5V D.C. at 50mA Fixed Power Supply
  • 5Hz Square wave Oscillator
  • UJT Triggering Circuit for SCR’s
  • Two PUSH-TO-ON switch
  • NPN Transistor
  • Inductor
  • Diode & LED
  • Capacitor Bank
  • Adequate no. of other Electronic Components
  • Mains ON/OFF switch, Fuse and Jewel light
  • The unit is operative on 230V ±10% at 50Hz A.C. Mains
  • Adequate no. of patch cords stackable 4 mm spring loaded plug length ½ metre
  • Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms
  • Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References


  • 3 Kg. (Approx.)


  • W 340 x H 110 x D 210

Other Apparatus Required:

  • Dual Trace Cathode Ray Oscilloscope 20MHz (Unearthed)

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Office Address

Jain Laboratory Instruments Pvt. Ltd.
Hargolal Road, Ambala Cantt,
Haryana India



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