c) The HVDC bridge rectifier is designed to produce 300kV output voltage from 33 kV/250 kV, 50 Hz of the transmission tr

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C The Hvdc Bridge Rectifier Is Designed To Produce 300kv Output Voltage From 33 Kv 250 Kv 50 Hz Of The Transmission Tr 1 (23.43 KiB) Viewed 23 times

c) The HVDC bridge rectifier is designed to produce 300kV output voltage from 33 kV/250 kV, 50 Hz of the transmission transformer. Thus determine. i. The firing angle a required for the rectifier's valve if no commutation angle is involved. ii. The new necessary phase secondary voltage of the transformer, if a = 12° and μ = 5° are being applied. If the new transformer reactance is 100 mH and 615 A of constant de load current is required, then determine a new output voltage of rectifier and the active power at DC link (consider firing angle as in Q2 c) (i)). iii. [8 Marks] [CO3, PO4, C4]