electrica!. motor controls - gbv
TRANSCRIPT
ELECTRICA!. MOTOR CONTROLS
AMERICAN TECHNICAL PUBLISHERS, INC. HOMEWOOD, ILLINOIS 60430
Gary Rockis Glen A. Mazur
Electrical Tools, Instruments, and Safety 1
Electrical Symbols and Line Diagrams 29
Logic Applied to Line Diagrams 39
AC Manual Contactors and Motor Starters 55
Magnetism and Magnetic Solenoids 67
AC/DC Magnetic Contactors and Motor Starters . . 85
l ' ' • ! Time Delay and Logic 107
8 Control Devices 123
Reversing Motor Circuits 171
10 Power Distribution Systems 201
Solid-State Electronic Control Devices 225
Electromechanical and Solid-State Relays 261
Photoelectric and Proximity Controls 291
Programmable Controllers 323
Reduced-Voltage Starting 355
Accelerating and Decelerating Methods 385
Preventive Maintenance and Troubleshooting 417
Review Question Answers 441
Appendix 447
Glossary 475
Index 487