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Wel -come

Wel -come. SWAMI SACHCHIDANAND POLYTECHNIC COLLEGE , VISNAGAR. Prepaid by :- Oza Akshay V. Modi Vishal J. Panchal Rajesh P. Mansuri Sohil I. Patel Dhruv A. Guided by:- Miss.H.V.Momin. Half-Wave & full wave Rectifier with filter circuit. Group Members.

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Wel -come

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  1. Wel-come

  2. SWAMISACHCHIDANANDPOLYTECHNICCOLLEGE, VISNAGAR Prepaid by :- OzaAkshay V. ModiVishal J. Panchal Rajesh P. MansuriSohil I. Patel Dhruv A. Guided by:- Miss.H.V.Momin

  3. Half-Wave & full wave Rectifier with filter circuit

  4. Group Members • OzaAkshay 106500309046 • Modivishal 106500309047 • Panchal Rajesh 106500309063 • MansuriSohil 106500309049 • Patel Dhruv 106500309071

  5. Rectifier The rectifier converts the ac input voltage to a pulsating dc voltage There are two types of rectifier. • Half-wave rectifier • Full-wave rectifier .

  6. Half-Wave Rectifier • When a diode is connected to a source alternating voltage, it will be of alternately forward-biased, and then reverse-biased, during each cycle of the AC sine-wave. • When a single diode is used in a rectifier circuit, current will flow through the circuit only during one-half of the input voltage cycle. • For this reason, this rectifier circuit is called a half-wave rectifier. The output of a half-wave rectifier circuit is pulsating DC.

  7. Half wave rectifier

  8. Wave form of Half wave rectifier

  9. Full-wave Rectifier • The output of a full-wave rectifier is driven by both the positive and negative cycles of the sinusoidal input, unlike the half-wave rectifier which uses only one cycle.

  10. Full wave rectifier

  11. Wave form of full wave rectifier

  12. Power Supplies • Consist of: • Transformer – steps ac voltage up or down. • Rectifier Diodes – change ac to “bumpy” dc. • Filter Network – includes capacitors and inductors, smooths out the bumps. • Voltage Regulator – keeps the voltage constant. • Protection – usually a crowbar circuit.

  13. Types of filter circuits:- 1. Shunt capacitor filter 2. Series inductor filter 3. Choke input LC filter 4. Capacitor input LC filter and 5. Π filter

  14. Shunt capacitor filter

  15. Series inductor filter

  16. Choke input LC filter

  17. Capacitor input LC filter

  18. Π filter

  19. Important Concepts • Half Wave Rectifier: • Simplest. • Hard to filter well. • Full Wave Rectifier: • Easier to filter. • Requires transformer with center-tap. • Transformer secondary must be twice intended voltage.

  20. thank you…………….

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