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Eng: Which benefits has an ac voltage controller?
Est: Nimetav ahelduvpingeregulaatorite eeliseid
Simple construction and cheap / Lihtsa ehitusega ja odavad
Allow easily to change the frequency / Võimaldavad lihtsalt muuta sagedust
reliable converters / Töökindlad muundurid
They produce only few harmonics at the input because the input current is sinusoidal / Tekitavad sisendis vähe harmoonikuid kuna sisendvool on alati siinuseline
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