Title: Unit 7 Outline
Course: HET 119 HVACR Electricity II > Section: HET 119 HVACR Electricity II

Unit 7 Outline

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Unit 7 Outline

1. Higher Efficiency Split Phase Motors
  - Types of higher efficiency motor
2. Capacitor Start Motors
  - Operation of a Capacitor Start Motor
  - Type of Efficiency of a Capacitor Start Motor
  - Uses of Capacitor Start Motors
3. Capacitor Start, Capacitor Run Motors
  - Operation of a Capacitor Start, Capacitor Run Motor
  - Type of Efficiency of a Capacitor Start, Capacitor Run Motor
  - Uses of a Capacitor Start, Capacitor Run Motor
4. Three Phase Motors
  - Operation of a Three Phase Motors
  - Type of Three Phase Motors
  - Type of Efficiency of a Three Phase Motor
  - Uses of a Three Phase Motor

Summary

- Motors come in many different varieties; however, they will be used for specific purposes
- By using capacitors, the efficiencies can be increased both during starting the motor and running operations of the motor
- All motors work by inductance of an magnetic field into a coil of wire
- Three phase motors are the most efficient motor because the power supply has three alternating power sources that are 120° out of phase of each other
- A capacitor start, capacitor run motor is the most efficient single phase motor
- A capacitor start, capacitor run motor has a start and run capacitor but the run capacitor stay in the circuit while the motor is operating

Review the vocabulary terms listed below and look up their definitions / descriptions before taking the Vocabulary Quiz.

Vocabulary

3 Phase

Delta

Wye

Start Capacitor

Run Capacitor

Potential Relay

Starting Relay

Service Factor

Power Factor

Motor Ratings