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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