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3 SCRs are connected in series. The string efficiency is 91%. SCRs 1, 2 & 3 have leakage currents 4 mA, 8 mA & 12 mA. Which SCR will block more voltage?

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in Power Electronics by (27.1k points)
3 SCRs are connected in series. The string efficiency is 91%. SCRs 1, 2 & 3 have leakage currents 4 mA, 8 mA & 12 mA. Which SCR will block more voltage?

(a) SCR-1

(b) SCR-2

(c) SCR-3

(d) All the three will block equal voltage

I had been asked this question in a job interview.

I'd like to ask this question from Interconnecting Thyristors topic in chapter Power Electronics Devices of Power Electronics

1 Answer

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by (45.1k points)
The correct choice is (a) SCR-1

The best explanation: The SCR with lower leakage current block more voltage.

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