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Renesas Electronics America - Knowledgebase

Which method to control AC (50 Hz/60 Hz) is preferable?

Latest Updated:08/01/2005


Which method to control AC (50 Hz/60 Hz) by controlling phases is preferable, the method of using two thyristors connected in reverse series, or the method using only one TRIAC?


The method using one TRIAC is recommended.
TRIACs were developed for controlling AC circuits.
An AC circuit using a TRIAC can be simplified in configuration and its cost can be lowered, as compared with a circuit using thyristors.
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