Please solve this Problem: The rating of three phases of a 3 winding transformer are:Primary Y-connected: 15MVA,66KVSecondary Y-connected: 10MVA,13.2KVTertiary A-connected: 5MVA,2.3KVNeglecting resistance, The leakage reactance are:Zps = 7% on 15MVA, 66KV baseZpr= 9% on 15MVA, 66KV baseZSTFind the PU impedances of the star connected equivalent circuit for a base of70KV, 30MVA in the primary circuit.8% on 10MVA, 13.2KV base Problem: The rating of three phases of a 3 winding transformer are:Primary Y-connected: 15MVA,66KVSecondary Y-connected: 10MVA,13.2KVTertiary A-connected: 5MVA,2.3KVNeglecting resistance, The leakage reactance are:Zps = 7% on 15MVA, 66KV baseZpr= 9% on 15MVA, 66KV baseZSTFind the PU impedances of the star connected equivalent circuit for a base of70KV, 30MVA in the primary circuit.8% on 10MVA, 13.2KV base

Consider the base values are given as: 30 MVA, 70 kV Since the base voltage for the primary winding…

Problem: The rating of three phases of a 3 winding transformer are: Primary Y-connected: 15MVA,66KV Secondary Y-connected: 10MVA,13.2KV Tertiary A-connected: 5MVA,2.3KV Neglecting resistance, The leakage reactance are: Zps = 7% on 15MVA, 66KV base Zpr = 9% on 15MVA, 66KV base ZST = 8% on 10MVA, 13.2KV base Find the PU impedances of the star connected equivalent circuit for a base of 70KV, 30MVA in the primary circuit.

Problem: The rating of three phases of a 3 winding transformer are: Primary Y-connected: 15MVA,66KV Secondary Y-connected: 10MVA,13.2KV Tertiary A-connected: 5MVA,2.3KV Neglecting resistance, The leakage reactance are: Zps = 7% on 15MVA, 66KV base Zpr = 9% on 15MVA, 66KV base ZST = 8% on 10MVA, 13.2KV base Find the PU impedances of the star connected equivalent circuit for a base of 70KV, 30MVA in the primary circuit.

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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Problem: The rating of three phases of a 3 winding transformer are:
Primary Y-connected: 15MVA,66KV
Secondary Y-connected: 10MVA,13.2KV
Tertiary A-connected: 5MVA,2.3KV
Neglecting resistance, The leakage reactance are:
Zps = 7% on 15MVA, 66KV base
Zpr
= 9% on 15MVA, 66KV base
ZST
Find the PU impedances of the star connected equivalent circuit for a base of
70KV, 30MVA in the primary circuit.
8% on 10MVA, 13.2KV base

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