AC-AC Converters
GATE Electrical Engineering · 4 questions across 4 years (1994-2024) · 10% recurrence rate
Recurrence sparkline
1994–2024Difficulty mix
Question types
All 4 questions on AC-AC Converters
A single-phase triac based AC voltage controller feeds a series RL load. The input AC supply is 230 V, 50 Hz. The values of R and L are 10 Ω and 18.37 mH, respectively. The minimum triggering angle of the triac to obtain...
A single-phase $$SCR$$ based $$ac$$ regulator is feeding power to a load consisting of $$5\,\,\Omega $$ resistance and $$16$$ $$mH$$ inductance. The input supply is $$230$$ $$V,$$ $$50$$ $$Hz$$ $$ac.$$ The maximum firing...
A single phase voltage source of magnitude $${V_s}$$ and frequency $$\omega \,\,\left( {rad\,/\,\sec } \right)$$ is connected to an inductance $$L$$ through an antiparallel back-to-back pair of thyristors. The forward an...
Thysistor circuits that directly convert poly phase $$ac$$ voltage from one frequency to another frequency are called _______.