Power Electronics A to Z Blog

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How Crowbar Protection Circuit (Over Voltage Protection) Works?

Over Voltage Protection - How Crowbar Circuit Works?  The Crowbar protection circuit is a fail-safe protection circuit. It protects the load against overvoltages. It is placed across the power supply output terminals.  The crowbar circuit mechanism...

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How to provide reverse voltage protection?

How to protect Circuit against applying reverse voltage? OR How to provide reverse voltage protection? Consider the below example circuit. If we apply proper voltage (connecting properly to the supply/battery) to the electrical circuit,...

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Diode Power Loss Calculation

How to Calculate Power Dissipation of Diode? Introduction: Before proceeding further just remember the following points about the diode: When the diode is forward biased ( Anode is positive with respective to cathode), it...

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Thyristor Turn OFF Methods in Chopper Circuits

Chopper Circuit SCR Turn OFF Methods In this short post, let us discuss about various methods to turn OFF/openning the conducting thyristors in the DC chopper circuits. Before proceeding further is recommened to refresh...