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Motor Control Circuits

Textbook

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

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Bipolar Junction Transistors as Switches

Worksheets - Industrial

Solid-state switching circuits usually keep their constituent…

AC Motor Theory

Worksheets - Industrial

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

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.

Linear Computational Circuitry

Worksheets - Industrial

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

Servo Motor Systems

Worksheets - Industrial

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

Other Specialized Motors

Textbook

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

Basic Troubleshooting Strategies

Worksheets - Industrial

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

Electric Shock

Worksheets - Industrial

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

Reluctance Motor

Textbook

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

Oscilloscope Trigger Controls

Worksheets - Industrial

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

Motor Control Circuits

Textbook

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

Polyphase Motor Design

Textbook

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

Design Project: DC Motor

Worksheets - Industrial

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

Selsyn (Synchro) Motors

Textbook

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

Design Project: Stepper Motor Driver

Worksheets - Industrial

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

AC Motor Control Circuits

Worksheets - Industrial

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

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.

DC Motor Theory

Worksheets - Industrial

If the ends of a wire loop are attached to two half-circular metal…

Rules for Antiderivatives

Textbook

Constant Rule     Rule of Sums     Rule of…

RMS Voltage Calculator

Tools

This calculator calculates the RMS Voltage value from either the peak voltage, the peak-to-peak voltage, or the average voltage.

The Thyristor

Textbook

A thyristor is a device that has a number of unusual characteristics.…

Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

Safe Practices

Textbook

If at all possible, shut off the power to a circuit before performing…

Tesla Polyphase Induction Motors

Textbook

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

Metric Prefix Conversions

Textbook

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

Negative Feedback OpAmp Circuits

Worksheets - Industrial

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

Square Wave Signals

Textbook

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

L-Match Impedance Matching Circuits

Tools

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

What Are Electric Circuits?

Textbook

You might have been wondering how charges can continuously flow in a…

Digital Logic With Feedback

Textbook

With simple gate and combinational logic circuits, there is a definite…

Digital Lab - 10-bit Flashing LED Sequencer

Textbook

In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.

Successive Approximation ADC

Textbook

One method of addressing the digital ramp ADC’s shortcomings is…

Historical, Nonmechanical Memory Technologies

Textbook

Perhaps the most ingenious technique was that of the delay line. A…

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Industrial

When lightning strikes, nearby magnetic compass needles may be seen to…

Series LED Resistor Calculator

Tools

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.

Design Project: Simple Component Curve-Tracer Circuit

Worksheets - Industrial

What do each of the oscilloscope axes represent, in real-life terms…

VSWR / Return Loss Calculator

Tools

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line