All inverters use forced commutation.

More Questions from Power Electronics

• Assertion (A): A dual converter may be circulating current type or non circulating current type. Reason (R): In circulating current dual converter only one converter can be operated at one time.
• The two modes of operation of three phase bridge inverters are known as
• A single phase step up cycloconverter changes 50 Hz to 100 Hz. Then one half wave of input will give rise to
• The number of doped regions in a SCR is
• A dc circuit breaker must use
• 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
• If ton and toff are the turn on and turn off times of a thyristor, then
• In 180° mode of operation of a 3 phase bridge inverter, two thyristors conduct at one time.
• Which of these commutation methods uses an auxiliary SCR?
• In an SCR, the anode current is controlled by

Discussion & Comments