Categories

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

What is Alternating Current (AC)?

Textbook

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

Linear Computational Circuitry

Worksheets - Motor Control

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

Polyphase Motor Design

Textbook

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

Pulse Width Modulation

Textbook

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Motor Control

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

Oscilloscope Trigger Controls

Worksheets - Motor Control

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

Other Specialized Motors

Textbook

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

Stepper Motor Calculator

Tools

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

Stepper Motors

Worksheets - Motor Control

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

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

Reluctance Motor

Textbook

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

AC Commutator Motors

Textbook

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

Motor Control Circuits

Textbook

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

Design Project: DC Motor

Worksheets - Motor Control

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

Electric Shock

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It is sometimes said regarding electrical safety that, Ït’s not the…

Intermediate Electromagnetism and Electromagnetic Induction

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

Basic Troubleshooting Strategies

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

Single-phase Induction Motors

Textbook

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

AC Motor Control Circuits

Worksheets - Motor Control

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Microstrip Crosstalk Calculator

Tools

This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.

Binary Math Circuits

Worksheets - Motor Control

Add the following binary numbers:

Advanced Electromagnetism and Electromagnetic Induction

Worksheets - Motor Control

∫f(x) dx Calculus alert! Electronic power conversion circuits known…

Critical Temperatures for Superconductors

Textbook

Critical temperatures given in Kelvins Material Element/Alloy Critical…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Introduction to Shift Registers

Textbook

Shift registers, like counters, are a form of sequential logic.…

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Coax Inductance Calculator

Tools

A calculator for computing the inductance of a coaxial cable.

Introduction to Bipolar Junction Transistors (BJT)

Textbook

The invention of the bipolar transistor in 1948 ushered in a…

Measurements of AC Magnitude

Textbook

So far we know that AC voltage alternates in polarity and AC current…

Metric Prefix Conversions

Textbook

To express a quantity in a different metric prefix from how it was…

Biasing Techniques (JFET)

Textbook

Millman’s Theorem

Textbook

In Millman’s Theorem, the circuit is re-drawn as a parallel…

Introduction to Digital-Analog Conversion

Textbook

Connecting digital circuitry to sensor devices is simple if the sensor…

BJT Quirks

Textbook

An ideal transistor would show 0% distortion in amplifying a signal.…

Class B BJT Amplifiers

Worksheets - Motor Control

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

Fuses

Textbook

Normally, the ampacity rating of a conductor is a circuit design…

Numbers versus Numeration

Textbook

It is imperative to understand that the type of numeration system used…

Digital Signals and Gates

Textbook

While the binary numeration system is an interesting mathematical…

Connectors

Textbook

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

Introduction to SPICE

Textbook

“With Electronics Workbench, you can create circuit schematics…

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

Basic Troubleshooting Strategies

Worksheets - Motor Control

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

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Contributors (6)

Textbook

Contributors to this chapter are listed in chronological order of…

Basic Oscilloscope Operation

Worksheets - Motor Control

An oscilloscope is a very useful piece of electronic test equipment.…

Wiring Color Codes

Textbook

Wiring for AC and DC power distribution branch circuits are color…

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Practical Considerations - Inductors

Textbook

Inductors, like all electrical components, have limitations which must…

Shock Current Path

Textbook

As we’ve already learned, electricity requires a complete path…

Digital Logic Signals

Worksheets - Motor Control

A rheostat (variable resistor) and a switch are both examples of…

Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

Vol III. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

CMOS Logic Gates

Worksheets - Motor Control

Counting practice: count from zero to thirty-one in binary, octal, and…

Resistor Color Codes

Textbook

Try out our Resistor Color Code Calculator in our Tools section.…

Ionization (gas-filled) Tubes

Textbook

So far, we’ve explored tubes which are totally…

Voltage and Current in a Practical Circuit

Textbook

Because it takes energy to force charge to flow against the opposition…