A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ?

Power Electronics
A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ?

0.3 ohm

3.0 ohm

0.3 ohm

0.03 ohm

0.3 ohm

3.0 ohm

0.3 ohm

0.03 ohm

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Power Electronics
When the temperature increases, the intrinsic stand off ratio ___________.

None of these

Increases

Essentially remains the same

Decreases

None of these

Increases

Essentially remains the same

Decreases

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Power Electronics
If holding current of a thyristor is 2 mA then latching current should be

0.002 A.

0.004 A.

0.009 A.

0.01 A.

0.002 A.

0.004 A.

0.009 A.

0.01 A.

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Power Electronics
Rise time is defined by the interval when

anode voltage drops from 90 % to 10 % of its initial value.

gate current rises from 90 % to 100 % of it final value.

anode current rises 10 % to 90 % of its final value.

both B and C.

anode voltage drops from 90 % to 10 % of its initial value.

gate current rises from 90 % to 100 % of it final value.

anode current rises 10 % to 90 % of its final value.

both B and C.

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Power Electronics
Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA?

2 KV.

8 KV.

6 KV.

10 KV.

2 KV.

8 KV.

6 KV.

10 KV.

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Power Electronics
Power transistor are type of

MOSFETs.

BJTs.

IGBTs.

All of above.

MOSFETs.

BJTs.

IGBTs.

All of above.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics

Power Electronics When the temperature increases, the intrinsic stand off ratio ___________.

Power Electronics If holding current of a thyristor is 2 mA then latching current should be

Power Electronics Rise time is defined by the interval when

Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA?

Power Electronics Power transistor are type of

Power Electronics
When the temperature increases, the intrinsic stand off ratio ___________.

Power Electronics
If holding current of a thyristor is 2 mA then latching current should be

Power Electronics
Rise time is defined by the interval when

Power Electronics
Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA?

Power Electronics
Power transistor are type of