Question

POWER ELECTRONICS 1.(a).Why the feedback diodes are connected in antiparallel with thyristors in inverter circuits ?how do these diodes come into play? (b).Describe the turn-off process in a GTO with relevant voltage and current Waveforms. Enumerate the advantages and disadvantages of a GTO as compared to a conventional thyristor. (c).Why input power factor of a single-phase half-controlled bridge-rectifier is higher than that for a fully-controlled bridge-rectifier supplying an RL load for the same firing angle?

          POWER ELECTRONICS
1.(a).Why the feedback diodes are connected in antiparallel with thyristors in inverter circuits ?how do these diodes come into play?
(b).Describe the turn-off process in a GTO with relevant voltage and current Waveforms. Enumerate the advantages and disadvantages of a GTO as compared to a conventional thyristor.
(c).Why input power factor of a single-phase half-controlled bridge-rectifier is higher than that for a fully-controlled bridge-rectifier supplying an RL load for the same firing angle?

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POWER ELECTRONICS
1.(a).Why the feedback diodes are connected in antiparallel with thyristors in inverter circuits ?how do these diodes come into play?
(b).Describe the turn-off process in a GTO with relevant voltage and current Waveforms. Enumerate the advantages and disadvantages of a GTO as compared to a conventional thyristor.
(c).Why input power factor of a single-phase half-controlled bridge-rectifier is higher than that for a fully-controlled bridge-rectifier supplying an RL load for the same firing angle?

Added by Manuel B.

University Physics with Modern Physics

Hugh D. Young 14th Edition

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Solved by Expert Adi S

10/14/2023

Step 1

The feedback diodes are connected in antiparallel with thyristors in inverter circuits to provide a path for the reverse current when the thyristors are turned off. When the thyristors are conducting, the feedback diodes are reverse biased and do not conduct. Show more…

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POWER ELECTRONICS 1. Why are the feedback diodes connected in antiparallel with thyristors in inverter circuits? How do these diodes come into play? 2. Describe the turn-off process in a GTO with relevant voltage and current waveforms. Enumerate the advantages and disadvantages of a GTO as compared to a conventional thyristor. 3. Why is the input power factor of a single-phase half-controlled bridge rectifier higher than that for a fully-controlled bridge rectifier supplying an RL load for the same firing angle?

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