In a 3 phase VSI SPWM to use a single carrier signal and preserve the – McqOptions

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1.	In a 3 phase VSI SPWM to use a single carrier signal and preserve the features of PWM technique, the normalized carrier frequency should be
A.	Multiple of two
B.	Odd multiple of three
C.	Odd multiple of five
D.	Odd multiple of seven
Answer» C. Odd multiple of five

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