5:28 PM Expert Help EikKTO#1996 16:58 Question a. The core of a three phase, 50 Hz, 11000/550 V delta/star, 300 kVA, core-type transformer operates with a flux of 0.05 Wb. Find (i) number of H.V and L.V turns per phase, (ii) e.m.f per turn (iii) full load H.V and L.V turns per phase. Cleon 16:58 ANSWER See details in the solution a. The core of a three phase, 50 Hz, 11000/550 V delta/star, 300 kVA, core-type transformer operates with a flux of 0.05 Wb. Find (i) number of H.V and L.V turns per phase, (ii) e.m.f per turn (iii) full load H.V and L.V turns per phase. 1. Number of turns per phase: V N = 4.44-1-4 where: N = number of turns per phase V = = voltage per phase f frequency (50 Hz) Φ += maximum flux (0.05 Wb) 2. E.M.F per turn: V E₁ = X Et where: N Et = e.m.f per turn
5:28 PM Expert Help EikKTO#1996 16:58 Question a. The core of a three phase, 50 Hz, 11000/550 V delta/star, 300 kVA, core-type transformer operates with a flux of 0.05 Wb. Find (i) number of H.V and L.V turns per phase, (ii) e.m.f per turn (iii) full load H.V and L.V turns per phase. Cleon 16:58 ANSWER See details in the solution a. The core of a three phase, 50 Hz, 11000/550 V delta/star, 300 kVA, core-type transformer operates with a flux of 0.05 Wb. Find (i) number of H.V and L.V turns per phase, (ii) e.m.f per turn (iii) full load H.V and L.V turns per phase. 1. Number of turns per phase: V N = 4.44-1-4 where: N = number of turns per phase V = = voltage per phase f frequency (50 Hz) Φ += maximum flux (0.05 Wb) 2. E.M.F per turn: V E₁ = X Et where: N Et = e.m.f per turn
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter7: Symmetrical Faults
Section: Chapter Questions
Problem 7.21MCQ
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