Electrical_Power_Drivers-_ET3026WB-Chapt21_example_questions

4kvthedcloadcurrentis 600a

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Unformatted text preview: hase transformer shown below produces a secondary line voltage of 2.4kV. The dc load current is 600A. What is the dc voltage across the load? a) 600A b) 100A c) 300A d) 200A 21‐7 (actually 21‐11) (diode power dissipation) The 3‐phase transformer shown below produces a secondary line voltage of 2.4kV. The dc load current is 600A. What is the power dissipated by all six diodes if the average voltage drop of each diode during the conduction period is 0.6V? a) 2.16kW b) 360W c) 1.08kW d) 720W 21‐8 An ac source having an effective voltage of 600V, 60Hz is connected to a single‐phase bridge rectifier as shown below. What is the voltage E34? a) 763.7V b) 540V c) 381.8V d) 600V 21‐8 (load current) An ac source having...
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