Electrical_Power_Drivers-_ET3026WB-Chapt21_example_questions

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Unformatted text preview: t not off using its gate. c) A thyristor can be switched off when current is flowing through it. d) One cannot switch on a thyristor if it is not forward biased. 21‐3 The three phase transformer shown in the figure below produces a secondary line voltage of 2.4kV. What is the dc voltage across the load? a) 935.31V b) 1620V c) 540V d) 2291V 21‐3 (diode current) The three phase transformer shown in the figure below produces a secondary line voltage of 2.4kV. The dc load current Id is 600A. What is the average current carried by each diode? a) 600A b) 346.4A c) 200A d) 300A 21‐7 The 3‐phase transformer shown below produces a secondary line voltage of 2.4kV. What is the dc voltage across the load? a) 1870.6V b) 3240V c) 1080V d) 4582.1V 21‐7 (diode current) The 3‐p...
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