INE 2030 - Motor Control and Timers I

A. Manually/mechanically operated switches and sensors

1. Identify manually operated switches in circuits and explain operation.

2. Identify mechanically operated switches in circuits and explain operation.

3. Identify types of sensors explain how to detect and measure presence.

B. Motor principles

1. Understand basic electric motor operating principles.

2. Know the construction, connection, and operating principles of types of DC motors.

3. Know the construction, connection, and operating principles of types of AC motors.

C. Motor selection and installation

1. Determine the proper motor for the task.

2. Demonstrate steps of determining correct motor.

3. Explain how an oversized or under sized motor would affect the circuit.

4.Demonstrate how to install and connect a motor.

D. Contactor ratings, enclosures, and solid state types

1. Familiarize yourself with basic uses of a contactor.

2. Explain how arc suppression is applied to contacts.

3. Discuss factors in selecting a contactor and type of enclosure.

4. Understand operation of solid state contactor and starter.

E. Motor starters

1. Explain difference between contactor and motor starter.

2. Explain functions and operation of motor overload relays.

3. Compare NEMA and IEC contactors and starters.