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VAISAKH. G.R 
REG NO: 13975034 
PHYSICAL SCIENCE
RECTIFIERS
INTRODUCTION 
 A rectifier is an electrical device that 
converts alternating current (AC), which 
periodically reverses direction, to direct current (DC), 
which is in only one direction, a process known 
as rectification.
TYPES OF RECTIFIERS 
Half wave Rectifier 
Full wave Rectifier
HALF WAVE RECTIFIER 
 In half wave rectification, either the positive or 
negative half of the AC wave is passed, while 
the other half is blocked. 
 Because only one half of the input waveform 
reaches the output, it is very inefficient if used 
for power transfer.
HALF WAVE RECTIFICATION
FULL WAVE RECTIFIER 
 A full-wave rectifier converts the whole of the input 
waveform to one of constant polarity (positive or 
negative) at its output. 
 Full-wave rectification converts both polarities of the input 
waveform to DC (direct current), and is more efficient.0
FULL WAVE RECTIFICATION 
 In a circuit with a non - centre tapped transformer, 
four diodes are required instead of the one needed for 
half-wave rectification. 
 For single-phase AC, if the transformer is centre-tapped, 
then two diodes back-to-back (i.e. anodes-to-anode 
or cathode-to-cathode) can form a full-wave 
rectifier.
FULL WAVE RECTIFIER USING TRANSFORMER AND 2 
DIODES
THE END 
…… Thank You ……

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Vaisakhppt

  • 1. VAISAKH. G.R REG NO: 13975034 PHYSICAL SCIENCE
  • 3. INTRODUCTION  A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which is in only one direction, a process known as rectification.
  • 4. TYPES OF RECTIFIERS Half wave Rectifier Full wave Rectifier
  • 5. HALF WAVE RECTIFIER  In half wave rectification, either the positive or negative half of the AC wave is passed, while the other half is blocked.  Because only one half of the input waveform reaches the output, it is very inefficient if used for power transfer.
  • 7. FULL WAVE RECTIFIER  A full-wave rectifier converts the whole of the input waveform to one of constant polarity (positive or negative) at its output.  Full-wave rectification converts both polarities of the input waveform to DC (direct current), and is more efficient.0
  • 8. FULL WAVE RECTIFICATION  In a circuit with a non - centre tapped transformer, four diodes are required instead of the one needed for half-wave rectification.  For single-phase AC, if the transformer is centre-tapped, then two diodes back-to-back (i.e. anodes-to-anode or cathode-to-cathode) can form a full-wave rectifier.
  • 9. FULL WAVE RECTIFIER USING TRANSFORMER AND 2 DIODES
  • 10. THE END …… Thank You ……