Why step down transformer is used in half wave rectifier

Asked by admin @ 03/08/2021 in Physics viewed by 294 People

Why step down transformer is used in half waverectifier?

Answered by admin @ 03/08/2021

Transformer is a device which reduces or increases the AC voltage.

The step-down transformer reduces the AC voltage from high to low whereas the step-up transformer increases the AC voltage from low to high. In half wave rectifier, we generally use a step-down transformer because the voltage needed for the diode is very small. Applying a large AC voltage without using transformer will permanently destroy the diode. So we use step-down transformer in half wave rectifier. However, in some cases, we use a step-up transformer.

In the step-down transformer, the primary winding has more turns than the secondary winding. So the step-down transformer reduces the voltage from primary winding to secondary winding.

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Why step down transformer is used in half wave rectifier

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