1 point a 3 phase full converter bridge is connected to supply voltage of 230v per phase and a frequency of 50hz. The source inductance is 4mh.The load current on dc side is constant at 20a. If the load consists of a dc source of internal emf 400v with internal resistance of 1 ohm, then calculate the overlap angle in degrees.
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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
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