The three phase rating of a three winding transformer are: Primary: Y connected 6.6kV, 15.000KVA Secondary: Y connected 33kV, 10,000KVA Tertiary: A connected 2.2kV, 7.500KVA With resistance neglected the following leakage impedances are calculated from the short circuit test: Measured from the primary side: ZPS = j2.472 ZPT = j2.90N Measured from the secondary side: ZST = j8.70N Find the p.u impedance of the star connected equivalent circuit on a base of 6.6kV, 15,000KVA in the primary side. %3D

The three phase rating of a three winding transformer are: Primary: Y connected 6.6kV, 15.000KVA Secondary: Y connected 33kV, 10,000KVA Tertiary: A connected 2.2kV, 7.500KVA With resistance neglected the following leakage impedances are calculated from the short circuit test: Measured from the primary side: ZPS = j2.472 ZPT = j2.90N Measured from the secondary side: ZST = j8.70N Find the p.u impedance of the star connected equivalent circuit on a base of 6.6kV, 15,000KVA in the primary side. %3D

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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