over voltage protection and over current protection
Overvoltage Protection ❖ It is the most important protection scheme w. r. t. others as thyristors are very sensitive to over voltages.❖ Maximum time thyristor failures happen due to over-voltage transients.❖ A thyristor may be subjected to internal or external over-voltages.❖ Internal Over-Voltages : After commutation of a thyristor reverse recovery current decays abruptly with …
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