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Power Electronics

Power Electronics
The latching current of GTO should be of order

 1 A.
 100 mA.
 2 A.
  500 mA.

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Power Electronics
The typical value of SCR for modern alternator is

 1.0.
 0.5.
 1.2.
 1.5.

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Power Electronics
A GTO can be turned on by applying

 Positive source signal.
 Positive drain signal.
  Positive gate signal.
 None of these.

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Power Electronics
A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is

 65.
 3.714.
  37.14.
 60.

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Power Electronics
Which statement is true for latching current ?

  It is related to turn on process of the device.
 It is related to conduction process of device.
 It is related to turn off process of the device.
 Both C and D.

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Power Electronics
BCT is used for

 High power current control.
 Low power current control.
 Low power phase control.
  High power phase control.

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