Latest Motor Control Education

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Inductive Reactance

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to mathematically…

Single-phase Induction Motors

Textbook

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

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

AC Motor Control Circuits

Worksheets - Motor Control

Perhaps the most challenging aspect of interpreting ladder diagrams,…

555 Lab - LED Flasher with Inductive Flyback

Textbook

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Motor Control

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

Design Project: DC Motor

Worksheets - Motor Control

The armature windings of your DC motor will have very low resistance.…

Basic Troubleshooting Strategies

Worksheets - Motor Control

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

DC Motor Control Circuits

Worksheets - Motor Control

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

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Contactors

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Boolean Algebra

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to analyze digital…

Step-up, Step-down, and Isolation Transformers

Worksheets - Motor Control

Calculate the voltage output by the secondary winding of a transformer…

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

Flyback Switch Mode Regulator Calculator

Tools

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

Servo Motor Systems

Worksheets - Motor Control

Explain the operation of this “H-bridge” motor control circuit: At…

DC Generator Theory

Worksheets - Motor Control

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

Simple Vector Addition

Textbook

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

Circuit Simplification Examples

Textbook

Let’s begin with a semiconductor gate circuit in need of…

Sum and Product Notation

Textbook

For reference, this section introduces the terminology used in some…

Inductors

Worksheets - Motor Control

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

Antiderivatives of Power Functions of e

Textbook

  Note: this is a very unique and useful property of e. As in…

The Unijunction Transistor (UJT)

Textbook

Unijunction transistor: Although a unijunction transistor is not a…

Sum-of-Products and Product-of-Sums Expressions

Worksheets - Motor Control

Identify each of these logic gates by name, and complete their…

Δ-Y and Y-Δ Conversions

Textbook

In many circuit applications, we encounter components connected…

Potential Pitfalls

Textbook

Fallacious reasoning and poor interpersonal relations account for more…

Semiconductor Manufacturing Techniques

Textbook

The manufacture of only silicon based semiconductors is described…

Twisted-Pair Impedance Calculator

Tools

A tool designed to calculate the characteristic impedance of a twisted-pair cable

Light-Pulse Switch

Worksheets - Motor Control

It is fairly important to use large value resistors (10 MΩ works…

AC Lab - Introduction

Textbook

In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.

Applying Ohm’s Law—Rules and Methods for Circuit Analysis

Textbook

When analyzing complex series and parallel circuits, it is easy to…

Mutual Inductance

Worksheets - Motor Control

When an electric current is passed through a coil of wire, what…

Octal and Hexadecimal to Decimal Conversion

Textbook

Although the prime intent of octal and hexadecimal numeration systems…

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Parallel DC Circuits Practice Worksheet With Answers

Worksheets - Motor Control

In this circuit, three resistors receive the same amount of voltage…

Memory Devices

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to analyze digital…

RC Time Constant Calculator

Tools

The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.

Lock-out / Tag-out

Worksheets - Motor Control

In this motor control circuit, how would you ensure that there is no…

Connectors

Textbook

An electrical connector, is an electro-mechanical device used to join…

DIY EE Lab - Setting Up a Home Electronics Lab

Textbook

To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.

Op-amp Circuits

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to mathematically…

An Analogy for Ohm’s Law

Textbook

Ohm’s Law also makes intuitive sense if you apply it to the…

Logic Signal Voltage Levels

Textbook

Input Voltages for Logic Gates Logic gate circuits are designed to…

The Common-emitter Amplifier

Textbook

At the beginning of this chapter, it illustrates how transistors could…

Contributors (9)

Textbook

Contributors to this chapter are listed in chronological order of…

Early Tube History

Textbook

Thomas Edison, that prolific American inventor, is often credited with…

AC Lab - LC Tank Circuit

Textbook

In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.

Square Wave Signals

Textbook

It has been found that any repeating, non-sinusoidal waveform can be…

Temperature Converter

Tools

Convert between Celsius, Fahrenheit and Kelvin

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

DC Motor Control Circuits

Worksheets - Motor Control

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

Introduction to Operational Amplifiers (Op-amps)

Textbook

What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…

Introduction to Insulated-gate Field-effect Transistors

Textbook

As was stated in the last chapter, there is more than one type of…

Karnaugh Mapping

Worksheets - Motor Control

Identify each of these logic gates by name, and complete their…

Mutual Inductors

Textbook

Mutual inductors are inductors that capitalize the effect of mutual…

Practical Considerations of ADC Circuits

Textbook

Perhaps the most important consideration of an ADC is its resolution.…