Ac Motors, Single And Three Phase

Ac Motors, Single And Three Phase - Printable Version

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Ac Motors, Single And Three Phase - BaDshaH - 08-09-2023

[Image: 83cce3fe7c45e18df6fe7e6a8dd08551.jpg]

Published 8/2023
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz
Language: English | Size: 2.11 GB | Duration: 2h 7m

Understanding the construction, operation, and wiring of AC single and three phase motors.

[b]What you'll learn[/b]
Review of AC generation theory applied to AC motor
Understand the construction and operation of a single phase motor
Wire a dual voltage single phase motor for low and high voltage operation
Wire a dual voltage single phase motor for forward and reverse operation
Review three phase generation
Understand the construction and operation of a three phase motor
Wire a dual voltage three phase motor for low and high voltage operation
Wire a dual voltage single phase motor for forward and reverse operation

[b]Requirements[/b]
Students should have a good understanding of DC and AC theory particularly how magnetic fields operate.

[b]Description[/b]
In this course students will learn the operation, construction, and wiring of single phase motors. It will begin with a review of single phase AC generation and how it directly applies to the operation of single phase AC motors. With graphics and demonstrations, we will the look into the construction of an AC motor and discuss the interactions of magnetic fields created by the AC action. You will learn why a single phase motor is not self-starting, and the methods and materials used to start this motor such as the split-phase and the centrifugal switch. We will then wire the single phase motor for dual voltage operation; 120 and 208 volts respectively. After this, the students will be able to see how a single phase motor is reversed. We will discuss the purpose of adding a capacitor for the starting operation of a single phase motor. Next, we will look at the construction, operation, and wiring of a three phase dual voltage motor for dual voltage operating. There will be a review of three phase generation and how it aids in the starting and running of the motor. You'll see how a three phase motor is wired for low and high voltage operation, and how the three phase motor is reversed. You'll learn about the nameplate data that is required by NEMA to include voltage, amperage, HP rating, number of phases, ambient temperature ratings, frame size, code letters that represent the start up inrush current allowed for the motor, and the service factor (SF) which lets you know what percentage above rated wattages the motor can safely operate.

Overview
Section 1: Introduction
Lecture 1 Introduction
Section 2: Review of AC Generation
Lecture 2 AC Generation Review
Section 3: Motor Action
Lecture 3 How motors work
Section 4: AC Motor Action 2
Lecture 4 AC Motor Action 2
Section 5: The Rotor Defined
Lecture 5 The Rotor Defined
Section 6: The Start Winding
Lecture 6 The Start Winding
Section 7: The Capacitor Start Motor
Lecture 7 The Capacitor Start Motor
Section 8: Dual Voltage Motors
Lecture 8 Dual Voltage Motors
Section 9: Dual Voltage Motors (Cont.)
Lecture 9 Dual Voltage Motors (Cont.)
Section 10: Introduction to 3 Phase Motors
Lecture 10 Introduction to 3 Phase Motors
Section 11: Single voltage 3 Phase Motors
Lecture 11 Single Voltage 3 Phase Motors
Section 12: 3 phase high voltage configuration
Lecture 12 3 phase high voltage configuration
Section 13: 3 Phase Low Voltage Configuration
Lecture 13 3 Phase Low Voltage Operation
Section 14: Testing Out the Motor
Lecture 14 Testing Out the Motor
Students in this course should have an interest in getting into electromechanical fields particularly how they relate to manufacturing processes.

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