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Master Course Outline
EST 150
Electric Motors and Motor Maintenance


Credits: 5
Clock Hours per Quarter: 70

AA Discipline:

Lecture Hours:30    Lab Hours:40


Description
This course teaches electrical and motor safety, motor applications and characteristics, installation, operation, performance, maintenance, and repair of all AC and DC series motors. Wiring for wye and delta applications is also covered. Electronically Commutated Motors (ECM) will be included in the instruction. NEMA and NEC codes will be applied for motor installation, operations, and maintenance. Other topics will include nameplate data, torque, efficiency, connections, reversing rotation, and instruments used for motor maintenance and testing. Prerequisite: EST 131 or grade of C or higher in EST 132; or instructor permission.

Intended Learning Outcomes
  • List the five rules of safe dress and the nine rules for safe electric motor operation.
  • Operate DC motors correctly in all applications.
  • Use a photo-tachometer to identify motor speed.
  • Calculate a load on gear-drive and belt-drive systems.
  • Determine torque measurement using a motor pony-break.
  • Identify motor current draw, motor efficiency, and input/output power, by using motor performance curves.
  • Operate AC single-phase motors using capacitor-start, permanent-capacitor, and two capacitor applications.
  • Determine resistor value using color code for bleed resistor.
  • Use apparent power calculation and power factor correction to determine capacitance.
  • Identify proper terminal connections on capacitors.
  • Operate three-phase induction motor both forward and reverse.
  • Describe connections for wye and delta uses in a three phase application.
  • Use NEC Article 430 to reference motors, conductors and controls.
  • Operate EMC 2.3, 3.0, and X13 ECM motors.

  • Course Topics
  • Introduction to electric motors and electrical motor safety
  • DC series, shunt, and compound motors
  • Motor speed, torque, and motor performance
  • Split-phase motors, capacitor-start AC motors, permanent-capacitor motors, and two capacitor motors
  • Three-phase induction motors
  • The NEC, motor installation, maintenance, and troubleshooting
  • ECM motor history, operating characteristics, and troubleshooting

  • Syllabi Listing See ALL Quarters
    Course
    Year Quarter
    Item
    Instructor  
    EST 150
    Fall 2015
    0935
    Michael Houdak
    EST 150
    Spring 2015
    9727
    Timothy Ault
    EST 150
    Winter 2015
    8245
    Chet Mills
    EST 150
    Fall 2014
    0949
    Michael Houdak
    EST 150
    Fall 2014
    8245
    Chet Mills


    Two Year Projected Schedule

    Year One* Year Two**
    Fall
    Winter
    Spring
    Summer
    Mini 
    Fall
    Winter
    Spring
    Summer
    Mini
     
     
    X
     
     
     
     
    X
     
     

    *If fall quarter starts on an odd year (2003, 2005, etc.), it's Year One.
    **
    If fall quarter starts on an even year (2002, 2004, etc.), it's Year Two.