Electric motor maintenance and troubleshooting / Augie Hand

Includes index.

Introduction Chapter 1: The DC Machine Basic Electricity as It Applies to Motors Magnets and the Magnetic Circuits Ampere Turns Circuits of the DC Machine Rules for Generating DC The Shunt Generator The Series Generator The Compound Generator The DC Arc Welder Interpoles Operation of a DC Motor The Shunt Motor The Permanent Magnet DC Motor The Series Motor The Compound DC Motor The Armature and Interpoles The Stabilized Shunt Motor Speed Control for a Compound DC Motor Armature Components Armature Problems Brush Problems Neutral Location inthe Stator Armature Field Testing of the DC Machine Locating Problems in the DC Machine Locating Problems in the Shunt Field Drawing Simple Schematics of a Shunt Field Locating Problems in the Series Field Identifying Leads of a Component DC Motor with an Ohmmeter Chapter 2: AC Electric Motor Theory Basic Terminology Inductive Reactance Capacitance and Capacitive Reactance Oil-Filled Capacitors Electrolytic Capacitors Capacitor Test Formula The Squirrel Cage Rotor Chapter 3: The Single-Phase Motor Shaded-Pole Motor Split-Phase Motor Capacitor Motors Chapter 4: Three-Phase Induction Motor Components of the Three-Phase Motor Operation of the Three-Phase Motor Amperes and Rotor Bar Design Introduction to Three-Phase Motor Types Multispeed Motors Multimode Nine-Lead Three-Phase Motors Identifying the Triple-Mode, Nine-Lead Three-Phase Motor Synchronous Motor Identifying the Three-Phase Induction Motor Chapter 5: Troubleshooting Three-Phase Motors Dual-Voltage, Nine-Lead Motor's Internal Connections Identifying Unmarked Leads in a Nine-Lead Three-Phase Motor Typical Winding Problems When Motors Overheat Troubleshooting Less Common Motors Troubleshooting the Synchronous Motor Troubleshooting the Two-Speed One-Winding Motor Troubleshooting Multispeed Multiwinding Motors Testing Motors in Place Locating Motor Faults Bearing Maintenance Sleeve Bearings Chapter 6: Test Instruments and Services Instruments for Initial Testing Instruments for In-Depth Testing and Scheduled Maintenance Study Questions Index

The ideal resource for anyone who has to purchase, teach, install, troubleshoot, perform limited repairs on, or maintain industrial-size electric motors.