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Average and RMS value of center-tap full wave rectifier


Let

Vm = maximum value of transformer secondary voltage

Vs =rms value of secondary voltage

VLM =maximum value of load voltage = Vsm – diode drop – secondary resistance drop

VL = rms value of load voltage

VL(ac) = rms value of ac component in the output voltage

IL = rms value of load current

VL(dc) =average value of load voltage

IL(dc) = average value of load current

ILM = maximum value of load current

RL = load resistance

RS = transformer secondary resistance

rd = diode forward resistance

VL = VLM/√2 = 0.707 VLM;

VL(dc) = 2VLM/ π = 0.636 V

VL(ac) = √(VL2 – VL(dc)2)

Similarly,

ILM = VLM/RL; IL = ILM/√2 = 0.707 ILM

IL(dc) = 2ILM / π = 0.636 ILM ; IL(ac) = √(IL2 – IL(dc)2)

Incidentally, IL(ac) is the same thing as Ir(rms)

 

 

 

Related topic

  1. Single-phase full-wave rectifier
  2. Efficiency of single-phase center-tap full wave rectifier
  3. Frequency Component of single-phase center-tap full wave rectifier
  4. Ripple Factor of single-phase center-tap full-wave rectifier
  5. Regulation of single-phase full-wave center-tap rectifier
  6. Peak Inverse Voltage of single-phase center-tap full-wave 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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