Transformers

15

Applications of Field Analysis during Design Process of Instrument Transformers

Elzbieta Lesniewska

CONTENTS

15.1  Introduction

15.2  Solution of Constructional Problems

15.2.1  Computations of Electromagnetic and Magnetic Field Distributions

15.2.1.1  Determining the Equivalent Circuit Parameters

15.2.1.2  Choosing an Optimal Design Version

15.2.1.3  Selection of Shields

15.2.2  The Characteristics of Current Error and Phase Displacement

15.2.3  The Composite Error

15.2.4  A Break in the Secondary Circuit of a Current Transformer

15.2.5  Transient State

15.2.6  Computing the Electric Field Distributions

15.2.6.1  Choosing of Design Version of Insulation System of HV Voltage Transformer

15.2.6.2  Improvement of the Electric Strength of an ...