Course Description:

Electric motor control teaches electric relay control of AC electric motors found in industrial, commercial, and residential applications. Learners gain understanding of the operation, installation, design, and troubleshooting of AC electric motor control circuits for many common applications. Develops skills in interpreting schematics, system design, motor start / stop circuits, motor sequence control, reversing motor control, and motor jogging. Safety is emphasized throughout, highlighting motor safety, lockout/ tagout and safety interlocks.

Course Outline:

Introduction to Electric Motor Control, Manual Motor Control and Overload Protection, Control Transformers, Control Ladder Logic, Control Relays and Motor Starters, Reversing Motor Control, Automatic Input Devices 1, Basic Timer Control

Course Segments:

Electrical Safety, Three-Phase Power, Disconnects and Protective Devices, Three-Phase Motors, Manual Motor Control, Manual Motor Starter Operation, Overload Protection, Introduction to Transformers, Control Transformer Operation, Control Transformer Applications in Machine Control, Electrical Control System Basics, Ladder Diagram Basics, Logic Elements 1, Logic Elements 2, Control Relays, Magnetic Motor Starters, Two-Wire Control, Three-Wire Start/Stop Control, Manual Motor Reversing, Reversing Magnetic Motor Starter, Interlocking for Reversing Motor Control, Modes of Operation, H-O-A Control, Limit Switches, Float Switches, Pressure Switches, Sequence Control, On-Delay Timers, Off-Delay Timers, One-Shot Timer Operation, Repeat Cycle Timer Operation