Electric Motor ControlFully updated in this new sixth edition, this text has been a long-standing leader in the area of electric motor controls. Its success is based on clear explanations of motor control circuits, the hardware that makes up these circuits, applications of motor control circuits in industry, and troubleshooting motor controls. It includes strong coverage of relay controls, the backbone of the motor control industry. |
Contents
Introduction | 14 |
Circuit Layout Connections | 39 |
Control Pilot Devices | 61 |
Copyright | |
27 other sections not shown
Common terms and phrases
acceleration Allen-Bradley amperes applications armature automatic autotransformer button is pressed capacitor contactor control circuit control relay Courtesy Square cuit Cutler-Hammer dc motor de-energized direct current disconnect DISCUSSION TEST QUESTIONS drive dynamic braking electronic Elementary diagram enclosure energized equipment float switch flux heater horsepower induction motor input installed interlock jogging limit switch line voltage load machine magnetic starter manual starter mechanical module motor control motor starter normally closed contacts Objectives After studying OL'S operation output overload relay phase pilot devices plugging poles power factor pressure switch push button rated reduced voltage reset resistor reverse rheostat running selector switch selsyn shown in figure shunt field single-phase slip rings solenoid speed control stator stop button STUDY DISCUSSION TEST studying this unit symbols synchronous motor temperature terminal three-phase three-wire control timer tion torque troubleshooting two-wire control voltage starting volts winding wiring diagram wound rotor motors