Once a thyristor begins to conduct, what condition is necessary for conduc-tion to cease?3.4. Indicate if the power thyristor will be on or off under the following conditions:The thyristor was reverse biased, then a current pulse was injected intothe gate.а.The thyristor isb. The thyristor was reverse biased, a current pulse was injected into thegate, then the thyristor was forward biased.The thyristor isThe thyristor was forward biased, then a current pulse was injected intothe gate.с.The thyristor isd. The thyristor was forward biased, a current pulse was injected into thegate, then the thyristor was reverse biased.The thyristor is5. Why are two thyristors required for ac switching?

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3. Once a thyristor begins to conduct, what condition is necessary for conduc- tion to cease?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter8: Combination Circuits

Section: Chapter Questions

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Question

Once a thyristor begins to conduct, what condition is necessary for conduc-
tion to cease?
3.
4. Indicate if the power thyristor will be on or off under the following conditions:
The thyristor was reverse biased, then a current pulse was injected into
the gate.
а.
The thyristor is
b. The thyristor was reverse biased, a current pulse was injected into the
gate, then the thyristor was forward biased.
The thyristor is
The thyristor was forward biased, then a current pulse was injected into
the gate.
с.
The thyristor is
d. The thyristor was forward biased, a current pulse was injected into the
gate, then the thyristor was reverse biased.
The thyristor is
5. Why are two thyristors required for ac switching?

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