ELECTRICA!. MOTOR CONTROLS AMERICAN TECHNICAL PUBLISHERS, INC. HOMEWOOD, ILLINOIS 60430 Gary Rockis Glen A. Mazur
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