Page 12 - Power Quality in Electrical Systems

x Contents

Correction measures 164
AC Contactors and relays 165
Operation 165
The Impact of Voltage Disturbance 168
Correction methods 169
Summary 170
References 170

Chapter 12. Electric Motor Drive Equipment 173
Electric Motors 173
Induction Motors 173
Operation 174
Hazards 174
Phenomena 175
Protection 176
Adjustable Speed Drives 177
Application 178
Voltage disturbances 180
Voltage unbalance 181
Protective measures 183
Summary 188
References 188

Chapter 13. Standby Power Systems 189
Principles: Standby Power System Design 189
Components to Assemble Standby
Power Systems 190
Sample Standby Power Systems 191
Engine-Generator Sets 194
Standards 195
Component parts of an E/G set installation 196
Transfer switches 198
Summary 200
References 200

Chapter 14. Power Quality Measurements 201
Multimeters 201
Oscilloscopes 202
Current Probes 203
Search Coils 204
Power-Quality Meters and Analyzers 205
Current Transformer Analysis in Detail 205
Summary 213
References 213

Index 215