Current derating may be necessary when thyristors are operating in

Related MCQs

• When thyristors are connected in series and parallel, it may be necessary to have :
• A 3 kV circuit uses SCR of 800 V rating. If derating is 25%, the number of SCRs in series is
• Latching current for the GTOs is ________ as compared to CTs (Conventional thyristors).
• In 180° mode of operation of a 3 phase bridge inverter, two thyristors conduct at one time.
• Thyristors are not suitable for logic circuits.
• On load tap changer using thyristors can have a maximum of two taps.
• In a 3 phase bridge inverter with 180° mode of operation the numbers of thyristors conducting at one time are
• Thyristors connected in series need :
• A single phase bridge type cycloconverter uses eight thyristors.
• The specified maximum junction temperature of thyristors is about