Motor Control Circuits

The interlock contacts installed in the previous section’s motor…

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AC Lab - Automotive Alternator as AC Generator

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.

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AC Lab - Large Induction Motor

In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.

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Single-phase Induction Motors

A three-phase motor may be run from a single-phase power source.…

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Lenz’s Law and Faraday’s Law Calculator

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

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Tools

DC Generator Theory

Generators used in battery-charging systems must be regulated so as to…

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Worksheets - Industrial

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…

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Flyback Switch Mode Regulator Calculator

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

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Tools

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…

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Worksheets - Industrial

Design Project: Stepper Motor Driver

At first it may seem pointless to have the four buffer gates following…

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Worksheets - Industrial

Basic Troubleshooting Strategies

A chandelier has five light bulbs in it, and one of them is not…

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Worksheets - Industrial

Intermediate Electromagnetism and Electromagnetic Induction

As an electric current is passed through a coil of wire, it creates a…

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Worksheets - Industrial

Microcontroller Principles

Read the following quotation, and then research the term…

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Worksheets - Industrial

Contactors

All About Contactors When a relay is used to switch a large amount of…

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What is Alternating Current (AC)?

Most students of electricity begin their study with what is known as…

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Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…

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Introduction to AC Motors

After the introduction of the DC electrical distribution system by…

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Other Specialized Motors

Shaded Pole Induction Motor An easy way to provide starting torque to…

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Selsyn (Synchro) Motors

Normally, the rotor windings of a wound rotor induction motor are…

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Wound Rotor Induction Motors

A wound rotor induction motor has a stator like a squirrel cage…

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Tube Lab - Vacuum Tube Audio Amplifier

In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.

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Arc Flash and Arc Blast

Electromechanical relays used to start and stop high-power electric…

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Worksheets - Industrial

Intro Lab - Build an Electromagnet

In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.

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Capacitors

Identify some of the different types of capacitors, and their…

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Worksheets - Industrial

555 Lab - Monostable Multivibrator (One-shot)

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.

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Universal Shift Registers: Parallel-in, Parallel-out

The purpose of the parallel-in/ parallel-out shift register is to take…

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Characteristic Impedance

The Parallel Wires of Infinite Length Suppose, though, that we had a…

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Power in Resistive and Reactive AC circuits

Consider a circuit for a single-phase AC power system, where a 120…

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Band-stop Filters

How to Create a Band-stop Filter? Also called band-elimination,…

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SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…

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Switches

What is the purpose of the switch shown in this schematic diagram?

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Worksheets - Industrial

Design Project: Audio Media-Based Signal Generator

Identify some different ways you can create the sine-wave audio tracks…

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Worksheets - Industrial

Electrical Connections

What, exactly, is necessary to establish electrical continuity between…

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Worksheets - Industrial

Si Lab - Full-wave Center-tap Rectifier

In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.

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Simple Vector Addition

Remember that vectors are mathematical objects just like numbers on a…

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AC Power

If a sinusoidal voltage is applied to an impedance with a phase angle…

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Worksheets - Industrial

The “Operational” Amplifier

Long before the advent of digital electronic technology, computers…

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Microprocessor Programming

The “vocabulary” of instructions which any particular…

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Circuits and the Speed of Light

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

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DC Motor Control Circuits

How is it possible to electrically measure the torque output by a…

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Worksheets - Industrial

Solid-state Relays

Limitations of Electromechanical Relays As versatile as…

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