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What is the difference between thyristor soft starters and FCMA?

April 26, 2017difference fcma soft starters thyristor

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What is the difference between thyristor soft starters and FCMA?

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A – Thyristor soft starters are phase angle controlled reduced voltage starters. The rms value of the voltage is controlled by passing a part of sinusoid waveform set by the firing angle of thyristor. FCMA essentially reduces the amplitude of the supply waveform without changing the sinusoid wave shape.