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IEVref:161-07-11ID:
Language:enStatus: Standard
Term: symmetrical control (single phase)
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Definition: control by a device designed to operate in an identical manner on the positive and negative half cycles of an alternating voltage or current

NOTE – On the basis of identical positive or negative half cycles of the input source:
– generalized phase control is symmetrical if the current waveform is the same for both positive and negative half cycles;
– multicycle control is symmetrical if within each conduction period the number of positive and negative half cycles is equal.


Publication date:1990-08
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