A thyristor has its gate current zero. To start conduction the forward voltage must exceed

Related MCQs

• In a full wave converter (M - 2 connection) feeding an RLE load, the peak thyristor current is 15 A. For fully controlled bridge circuit and same load current, the peak thyristor current will be
• A thyristor is reverse biased. A positive gate pulse is applied. The thyristor
• A single phase half wave converter is used to charge a battery of 50 V. The thyristor is continuously fired by dc signal. Input voltage is v = Vm sin ωt. The thyristor will conduct
• In a thyristor, the forward breakover voltage
• In a thyristor the gate current is increased, then
• Once SCR starts conducting a forward current, its gate losses control over:
• In a thyristor, ratio of latching current to holding current is:
• The rated current of a thyristor is 40 A. The holding current will be about :
• In a 3 phase full converter the average load current is 150 A. The average thyristor current is
• The GTO (gate turn-off thyristor) is a