A three phase, 12 pulse rectifier is fed from a transformer with effective turns ratio of 0.5, the primary L-L voltage of the supply is 400kV, ignition delay angle is 30 degree, overlap angle is 15 degree, and the dc link current is 2kA, find the values of all the quantities in relation to this question Q1) the DC link voltage at no load (Vdo) at rectifier end is (kv) 560 540 500 468 Q2) the value of Vdc at the rectifier terminals is close to (kV) 560 540 424 464 Q3) the total reactive power that needs to be supplied at rectifier end is close to................... MVAR 667 356 456 978 Q4) the fundamental component of ac current is......... (kA) 2.1 2.89 1.98 1.56

Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
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A three phase, 12 pulse rectifier is fed from a transformer with effective turns ratio of 0.5, the primary L-L voltage of the supply is 400kV, ignition delay angle is 30 degree, overlap angle is 15 degree, and the dc link current is 2kA, find the values of all the quantities in relation to this question

Q1) the DC link voltage at no load (Vdo) at rectifier end is (kv)

560

540

500

468

Q2) the value of Vdc at the rectifier terminals is close to (kV)

560

540

424

464

Q3) the total reactive power that needs to be supplied at rectifier end is close to................... MVAR

667

356

456

978

Q4) the fundamental component of ac current is......... (kA)

2.1

2.89

1.98

1.56

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