Electric Motor free essay sample

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Imprinted in the United States of America 1 2 3 4 5 XX 11 10 09 Contents Preface vi Section 1 Introduction 1 UNIT 1 General Principles of Electric Motor Control 3 UNIT 2 Fractional and Integral Horsepower Manual Motor Starters 17 UNIT 3 Magnetic Line Voltage Starters 23 Section 2 Circuit Layout, Connections, and Symbols UNIT 4 Symbols 51 UNIT 5 49 Interpretation and Application of Simple Wiring and Elementary Diagrams 63 Segment 3 Control Pilot Devices UNIT 6 Push Buttons and Control Stations 81 UNIT 7 Relays 87 UNIT 8 Contactors 95 UNIT 9 Timing Relays 103 UNIT 10 Pressure Switches and Regulators 113 UNIT 11 Float Switches 117 UNIT 12 Flow Switches 123 UNIT 13 Limit Switches and Proximity Control 127 UNIT 14 Phase Failure Relays 135 UNIT 15 Solenoid Valves 139 UNIT 16 79 Temperature Switches 143 Section 4 Basic Control Circuits UNIT 17 Two-Wire Controls 149 UNIT 18 Three-Wire and Separate Controls 153 UNIT 19 Hand-Off Automatic Controls 159 UNIT 20 Multiple Push-Button Stations 163 UNIT 21 Interlocking Methods for Reversing Control 165 UNIT 22 Sequence Control 173 UNIT 23 Jogging (Inching) Control Circuits 181 UNIT 24 147 Time-Delay, Low-Voltage Release Relay 187 v Section 5 AC Reduced Voltage Starters UNIT 25 The Motor and Starting Methods 193 UNIT 26 Primary Resistor-Type Starters 199 UNIT 27 Autotransformer Starters 205 UNIT 28 Part Winding Motor Starters 211 UNIT 29 Automatic Starters for Star-Delta Motors 217 UNIT 30 AC Solid-State Reduced Voltage Controller 223 Section 6 Three-Phase, Multispeed Controllers UNIT 31 Two-Speed, One-Winding (Consequent Pole) Motor Controller 239 UNIT 33 31 Controllers for Two-Speed,Two-Winding (Separate Winding) Motors 233 UNIT 32 Four-Speed,Two-Winding (Consequent Pole) Motor Controller 247 Section 7 Wound Rotor (Slip Ring) Motor Controllers UNIT 34 Push-Button Speed Selection 261 UNIT 36 Automatic Acceleration for Wound Rotor Motors 263 UNIT 37 Automatic Speed Control for Wound Rotor Motors 269 UNIT 38 253 Wound Rotor Motors and Ma nual Speed Control 255 UNIT 35 Solid-State Adjustable Speed Controller for AC Wound Rotor Motors 275 Section 8 Synchronous Motor Controls UNIT 39 Push-Button Synchronizing 287 UNIT 41 Timed Semiautomatic Synchronizing 291 The course book talks about electrical and mechanical segments and how they are associated with control various sorts of engines. A wide range of sorts of control circuit and outlines are examined. The content contains an abundance of viable data that will apply to practically any mechanical application.  The content accept that understudies know about fundamental electrical hypothesis and normal arrangement and equal circuits. Electric Motor Control has been utilized effectively for both proper study hall preparing and self investigation. It is utilized broadly in preapprentice and obligated student preparing projects and n sorted out understudy circuit tester classes. The reasonable way to deal with engine control makes this a helpful handbook at work for introducing, observing, and keeping up control frameworks. Electric Motor Control gives a down to earth way to deal with a to some degree dif? faction subject. The content is written in straightforward language. Every unit of gu idance covers a short, succinct subject. Expected understudy learning is plot in the goals toward the start of every unit. The addendums and glossary give further clarification of terms and overhauling to investigating, which the understudy is urged to utilize. The ninth release contains extended data on over-burden transfers and various refreshed representations. The content utilizes a subsequent shading to feature significant ideas. The ninth version gives an update to a course book that has for quite some time been viewed as a remarkable book regarding the matter of engine control hypothesis and reasonable application. Electric Motor Control delineates control frameworks, beginning with the least difficult of hardware, and expands on it in a bit by bit style to increasingly complex circuits. Understudies figure out how to draw and decipher engine control schematics and wiring charts.