Question

1 point a 3-phase full converter feeds power to an r load of 10 ω. For a firing angle delay of 30° the load takes 5 kw. An inductor of large value is also connected to the load to make the current ripple free. Find the value of per phase input voltage.

Answer 1

Three- phase AC Regulators

There are many types of circuits used for the three-phase ac regulators (ac to ac voltage converters), unlike single-phase ones. The three-phase loads (balanced) are connected in star or delta. Two thyristors connected back to back, or a triac, is used for each phase in most of the circuits as described. Two circuits are first taken up, both with balanced resistive (R) load

Answer 2

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