Transformers

21

Measurement and Prediction of Parameters of High-Frequency Transformers

H. Bülent Ertan, Erdal Bizkevelci, and Levent B. Yalçıner

CONTENTS

21.1    Introduction

21.2    Equivalent Circuit of a High-Voltage/High-Frequency Transformer

21.3    Determination of the Parameters

21.4    Test Transformer

21.5    Equations for Parasitic Parameters

21.5.1    Leakage Inductance

21.5.2    Winding Capacitance

21.5.3    Secondary Winding Capacitance

21.5.4    Primary–Secondary Winding Capacitance

21.6    Discussion

21.7    Measurement of Transformer Parameters

21.8    Method

21.9    Short Circuit Test

21.9.1    Series Resistance

21.9.2    Series Inductance

21.10  Open Circuit Tests

21.10.1  Low-Frequency Measurements

21.10.2  High-Frequency Measurements ...