Categories

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

What is Alternating Current (AC)?

Textbook

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

Other Specialized Motors

Textbook

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

Wound Rotor Induction Motors

Textbook

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

DC Generator Theory

Worksheets - DC Motors

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

AC Lab - Automotive Alternator as AC Generator

Textbook

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.

AC Commutator Motors

Textbook

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

AC Motor Theory

Worksheets - DC Motors

Electromechanical watt-hour meters use an aluminum disk that is spun…

Lenz’s Law and Faraday’s Law Calculator

Tools

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.

Oscilloscope Trigger Controls

Worksheets - DC Motors

A very useful tool for observing rotating objects is a strobe light.…

Boolean Algebra

Worksheets - DC Motors

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

Tesla Polyphase Induction Motors

Textbook

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

Design Project: Stepper Motor Driver

Worksheets - DC Motors

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

Microcontroller Principles

Worksheets - DC Motors

Read the following quotation, and then research the term…

AC Lab - Large Induction Motor

Textbook

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.

AC Motor Control Circuits

Worksheets - DC Motors

Perhaps the most challenging aspect of interpreting ladder diagrams,…

AC Generator Theory

Worksheets - DC Motors

If an electric current is passed through this wire, which direction…

Flyback Switch Mode Regulator Calculator

Tools

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

DC Motor Control Circuits

Worksheets - DC Motors

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…

Motor Control Circuits

Textbook

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

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

Important Constants

Textbook

Euler’s Number Euler’s constant is an important value for…

Shift Registers: Serial-in, Serial-out

Textbook

Serial-in, serial-out shift registers delay data by one clock time for…

Tracking ADC

Textbook

A third variation on the counter-DAC-based converter theme is, in my…

IGBTs

Textbook

Because of their insulated gates, IGFETs of all types have extremely…

555 Lab - Monostable Multivibrator (One-shot)

Textbook

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.

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Si Lab - JFET Switching Circuit and Static Electricity Sensor

Textbook

In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.

Capacitor Quirks

Textbook

As with inductors, the ideal capacitor is a purely reactive device,…

Practical Considerations - Transformers

Textbook

Power Capacity As has already been observed, transformers must be well…

Design Project: Signal Generator

Worksheets - DC Motors

Explain the principle of operation for the particular integrated…

Resistors Types

Textbook

These are the most common types of resistors available. Resistors…

Coefficients of Specific Resistance

Textbook

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…

Trigonometric Equivalencies

Textbook

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Textbook

Over the course of learning about electricity, you will want to…

Twisted-Pair Impedance Calculator

Tools

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

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

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.

Parallel DC Circuits Practice Worksheet With Answers

Worksheets - DC Motors

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

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…