The word “motors,” as stated in the title, represents a diverse and complicated topic of study. There are many diferent types of motors, and several diferent methods of converting electrical energy into rotating mechanical energy via electromagnetism. The focus of this book is to understand basic single-phase and three-phase induction motor theory and operation, common motor control circuit schemes, reading, interpreting, and documenting motor control circuit diagrams, and providing practice circuits for connecting the actual motor control circuit components from ladder diagrams. The focus will be limited to single- and three-phase induction motors because they constitute the vast majority of motors the construction electrician will encounter in the field.
Content
Chapter 1 Electromagnetic Induction Theory
- The Principle of Electromagnetism
- The Principle of Electromagnetic Induction
- Relationship Between Electromagnetic
- Deinition
- Induction May Be Either
Chapter 2 Induction Motor Overview
- The Parts of an Induction Motor
- What Is an Induction Motor?
Chapter 3 Three-Phase Motor Theory
- Law of Charges
- Electromagnets in Induction Motors
- Synchronous Speed
Chapter 4 Single-Phase Induction Motors
- Single-Phase Alternating Current (AC) Motors
- Single-Phase Induction Motor Classiications
Chapter 5 Induction Motor Electrical Connections
- Motor Connections
Chapter 6 Motor Nameplates
- Motor Nameplate Information
Chapter 7 Magnetic Relays and Contactors
- Contactors
- Parts of a Relay
- Magnetic Contactors
Chapter 8 Overload Units
- Thermal Overload Units
Chapter 9 Magnetic Motor Starters
- Deinition
Chapter 10 Motor Starter Circuits
- Motor Circuit Conductor Protection
- Magnetic Motor Starter Circuit
Chapter 11 Motor Control Circuit Ladder Diagram Documentation
- Reference Documentation
Chapter 12 Two-Wire Motor Control
- Two-Wire Motor Control Circuits
Chapter 13 Three-Wire Motor Control
- Three-Wire Motor Control Circuits
Chapter 14 Control Circuits
- Two-Wire Control Circuits
- Three-Wire Control Circuits
Chapter 15 Variable-Frequency Drive Principles
- Principles
- Advanced Motor Protection Features
Chapter 16 Commissioning a VFD
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