Categories

Motor Control Circuits

Textbook

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

Selsyn (Synchro) Motors

Textbook

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Industrial

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Tube Lab - Vacuum Tube Audio Amplifier

Textbook

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.

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.

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Single-phase Induction Motors

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

AC Commutator Motors

Textbook

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Industrial

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

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.

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Tesla Polyphase Induction Motors

Textbook

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

Bipolar Junction Transistors as Switches

Worksheets - Industrial

Solid-state switching circuits usually keep their constituent…

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.

Stepper Motor Calculator

Tools

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

DC Motor Control Circuits

Worksheets - Industrial

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

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

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.

Flip-Flop Circuits

Worksheets - Industrial

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

Digital Lab - Basic 2-Input NAND Gate Circuit

Textbook

In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.

Factors Affecting Capacitance

Textbook

There are three basic factors of capacitor construction determining…

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Table (portrait view)

Textbook

  Periodic table of chemical elements.

Series Circuits and the Application of Ohm’s Law

Textbook

In this introduction to series resistance circuits, we will explain…

Series-Parallel DC Circuits

Worksheets - Industrial

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

Digital Lab - S-R Flip-flop Using NAND Gates

Textbook

In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.

Unit Conversion Calculator

Tools

Convert to and from different units of length, weight, power, temperature and torque

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

Asymmetric Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an asymmetric stripline

Design Project: LED Stroboscope

Worksheets - Industrial

A technician uses a stroboscope to “freeze” the rotation of a…

Step-up and Step-down Transformers

Textbook

So far, we’ve observed simulations of transformers where the…

The Gated S-R Latch

Textbook

It is sometimes useful in logic circuits to have a multivibrator which…

Questions to Ask Before Proceeding

Textbook

Has the system ever worked before? If yes, has anything happened to…

Gas Discharge Tubes

Textbook

If you’ve ever witnessed a lightning storm, you’ve seen…

Emergency Response

Textbook

Despite lock-out/tag-out procedures and multiple repetitions of…

Don’t Care Cells in the Karnaugh Map

Textbook

Up to this point we have considered logic reduction problems where…

Symmetric Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a symmetric stripline.

Kirchhoff’s Laws

Worksheets - Industrial

Many electronic circuits use what is called a split or a dual power…