Use of a reverse conducting thyristor in place of antiparallel combination of thyristor and feedback diode in a inverter

Causes deteriorationin the commutation performance

Effectively minimises the peak commutating current

Decreases the operating frequency of operation

Minimises the effects of load inductance on the commutation performance

In an inverter with fundamental output frequency of 50 Hz if third harmonic is eliminated then frequencies of other components in the output voltage wave in Hz would be

50, 250, 350, 500, high frequencies

rated voltage at rated frequency

low voltage keeping the VI ratio constant

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