Part 1 Introduction
U-1 General Principles of Electric Motor Control
U-2 Fractional & Integral Horsepower Manual Motor Starters
U-3 Magnetic Line Voltage Starters
Part 2 Circuit Layout, Connections, and Symbols
U-4 Symbols
U-5 Interpretation and Application of Simple Wiring and Elementary Diagrams
Part 3 Control Pilot Devices
U-6 Push Buttons and Control Stations
U-7 Relays
U-8 Contactors
U-9 Timing Relays
U-10 Pressure Switches and Regulators
U-11 Float Switches
U-12 Flow Switches
U-13 Limit Switches and Proximity Control
U-14 Phase Failure Relays
U-15 Solenoid Valves
U-16 Temperature Switches
Part 4 Basic Control Circuits
U-17 Two-Wire Controls
U-18 Three-Wire and Separate Controls
U-19 Hand-Off Automatic Controls
U-20 Multiple Push-Button Stations
U-21 Interlocking Methods for Reversing Control
U-22 Sequence Control
U-23 Jogging (Inching) Control Circuits
U-24 Time-Delay, Low-Voltage Release Relay
Part 5 AC Reduced Voltage Starters
U-25 The Motor and Starting Methods
U-26 Primary Resistor-Type Starters
U-27 Autotransformer Starters
U-28 Part Winding Motor Starters
U-29 Automatic Starters for Star-Delta Motors
U-30 AC Solid-State Reduced Voltage Controller
Part 6 Three-Phase, Multispeed Controllers
U-31 Controllers for Two-Speed, Two-Winding (Separate Winding) Motors
U-32 Two-Speed, One-Winding (Consequent Pole) Motor Controller
U-33 Four-Speed, Two-Winding (Consequent Pole) Motor Controller
Part 7 Wound Rotor (Slip Ring) Motor Controllers
U-34 Wound Rotor Motors and Manual Speed Control
U-35 Push-Button Speed Selection
U-36 Automatic Acceleration for Wound Rotor Motors
U-37 Automatic Speed Control for Wound Rotor Motors
U-38 Solid-State Adjustable Speed Controller for AC Wound Rotor Motors
Part 8 Synchronous Motor Controls
U-39 Synchronous Motor Operation
U-40 Push-Button Synchronizing
U-41 Timed Semiautomatic Synchronizing
U-42 Synchronous Automatic Motor Starter
Part 9 Direct-Current Controllers
U-43 About DC Motors
U-44 Use of Reduced Voltage for Starting
U-45 Across-the-Line Starting
U-46 Compensating and Definite Time Control Starting
U-47 Solid-State Adjustable Speed Control
Part 10 Methods of Deceleration
U-48 Plugging
U-49 Electric Brakes
U-50 Dynamic and Regenerative Braking
U-51 Electric and Electronic Braking
Part 11 Motor Drives
U-52 Direct Drives and Pulley Drives
U-53 Gear Motors
U-54 Variable-Frequency Mechanical Drives
U-55 AC Adjustable Frequency Drives
U-56 Magnetic Clutch and Magnetic Drive
U-57 DC Variable-Speed Control—Motor Drives
U-58 Programmable and Motion Control
Part 12 Troubleshooting
U-59 Motor Startup and Troubleshooting Basics
U-60 Troubleshooting Techniques
Section A Motor Types and Line Diagrams
Section B Power Supplies
GLOSSARY
(Note: all unlinked articles above are Under Construction.)
