On which of the following factors the number of phases for which a rectifier should be designed depend ?

Rectifiers and Converters 28/03/2020

A. The voltage regulation of the rec¬tifier should be low
B. In the output circuit there should be no harmonics
C. The power factor of the system should be high
D. The rectifier supply transformer should be utilized to the best ad-vantage
E. all of the above

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