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Peak Inverse Voltage of single-phase center-tap full-wave rectifier

Peak inverse voltage (PIV) is the maximum possible voltage across a diode when it is reversed-biased. During first half-cycle of the supply i.e. when the top of the transformer secondary winding is positive, diode D1 conducts and offers almost zero resistance. So whole of the voltage VS max  of the upper half winding is developed across the load resistance RL. Now voltage across the non-conducting diode D2 is the sum of voltage across the lower half of the transformer secondary and the voltage across the load resistance RL.

Thus PIV of diode, D2 = Vm + Vm = 2 Vm

Similarly, PIV of diode D1 = 2 Vm

 

 

 

Related topic

  1. Single-phase full-wave rectifier
  2. Average and RMS value of center-tap full wave rectifier
  3. Efficiency of single-phase center-tap full wave rectifier
  4. Frequency Component of single-phase center-tap full wave rectifier
  5. Ripple Factor of single-phase center-tap full-wave rectifier
  6. Regulation of single-phase full-wave center-tap rectifier
  7. Peak Current of single-phase center-tap full-wave rectifier
  8. Transformer Utilization Factor (TUF) of single-phase center-tap full-wave rectifier
  9. Advantage of center-tap Full-wave rectifier 

 

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