Electronics and Communication Engineering - Power Electronics - Discussion

Discussion Forum : Power Electronics - Section 1 (Q.No. 20)

Power Electronics

20.

An electric heater is controlled by thyristors through on-off control. If a = 0.4, the heating is

16% maximum

40% of maximum

60% of maximum

84% of maximum

Answer: Option

Explanation:

V_l = V a. Therefore V_l² - V² (a). Heating is proportional to a.

Discussion:

5 comments Page 1 of 1.

Deepak kumar said: 9 years ago

Please anyone explain in detail.

Ananya said: 9 years ago

Please tell what is "a" in this explanation.

Thanks.

Anjali vasisth said: 7 years ago

Please explain this.

Jotaro Kujo said: 6 years ago

I believe "A" here would be the duty cycle of buck converter, where Vo =(√(a))Vs.

Tushar said: 6 years ago

Explain the answer clearly.

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