Power Supply Devices and Systems of Relay Protection

Contents

Preface

The Author

1 Basic Components

1.1 Semiconducting Materials and p–n Junctions

1.2 The Transistor’s Principle

1.3 Some Types of Transistors

1.4 Bipolar Transistor General Modes

1.5 Transistor Devices in Switching Mode

1.6 Thyristors

1.7 Optocouplers

1.8 Electromagnetic Relays

Reference

2 Secondary Power Supplies

2.1 Introduction

2.2 Comparative Characteristics of Linear and Switch-Mode Power Supplies

2.3 Problems with Electrolytic Capacitors

2.3.1 Introduction

2.3.2 Design Features of Aluminum Electrolytic Capacitors

2.3.3 Design Features of Tantalum Electrolytic Capacitors

2.4 Conclusions and Recommendations

Reference

3 Battery Chargers

3.1 Purpose and Modes of Operation of Battery Chargers

3.2 Arrangement and Principle of Operation ...