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In case of TRC (Time Ratio Control), _________ is varied

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In case of TRC (Time Ratio Control), _________ is varied

(a) duty cycle

(b) firing angle

(c) supply frequency

(d) supply voltage magnitude

The question was asked during an interview for a job.

Question is from Chopper Control Strategies topic in chapter Choppers of Power Electronics

1 Answer

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by (45.1k points)
Right choice is (a) duty cycle

The best explanation: In case of TRC, α (Duty cycle) is varied to change the average value of output voltage.

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