Single Phase PWM modulator



 The following experiments may be performed :

  1. Connect R- load and observe the variation of the output voltage and output current with changes in the pulse width ( duty cycle ) and frequency respectively in both synchronized and variable modes. Observe the input current waveform also. Also see the waveforms across the power transistor.
  2. Repeat the above test for an R-L load.

 The trainer consists of the following :

  1. Diode and power transistor  based module.
  2. Control circuit module.
  3. Loads and associated circuits.

 

 Additional accessory required :

  • Dual channel Oscilloscope


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