Latest Relays Education

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Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

Time-Delay Electromechanical Relays

Worksheets - Relays

What does the normal status of an electrical switch refer to?…

Permissive and Interlock Circuits

Textbook

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

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

Permissive and Interlock Circuits

Textbook

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

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Inductor Commutating Circuits

Textbook

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

Special-output Gates

Textbook

Complementary Output Gates It is sometimes desirable to have a logic…

Digital Logic Functions

Textbook

We can construct a simple logic functions for our hypothetical lamp…

Bipolar Junction Transistors as Switches

Worksheets - Relays

Solid-state switching circuits usually keep their constituent…

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

CMOS Logic Gates

Worksheets - Relays

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

AC Lab - Induction Motor

Textbook

In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.

The TRIAC

Textbook

SCRs are unidirectional (one-way) current devices, making them useful…

Boolean Algebra

Worksheets - Relays

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

Miscellaneous Diode Applications

Worksheets - Relays

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

Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

Reluctance Motor

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Performance-Based Assessments for DC Circuit Competencies

Worksheets - Relays

(Template)

Flip-Flop Circuits

Worksheets - Relays

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

Fundamentals of SPICE programming

Textbook

Programming a circuit simulation with SPICE is much like programming…

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

The Common-source Amplifier (IGFET)

Textbook

Time-Delay Electromechanical Relays

Worksheets - Relays

What does the normal status of an electrical switch refer to?…

Bridge Circuits

Textbook

No text on electrical metering could be called complete without a…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Electromechanical Relay Logic

Worksheets - Relays

In ladder logic symbolism, an electromechanical relay coil is shown as…

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

Magnetic Fields and Inductance

Textbook

Whenever electrons flow through a conductor, a magnetic field will…

Autotransformers

Worksheets - Relays

How much voltage is there between the following pairs of points in…

Rules for Derivatives

Textbook

Constant rule Rule of sums Rule of differences Product rule Quotient…

Wavelength (TEM) Calculator

Tools

This calculator determines the wavelength of a signal given the frequency and dielectric constant.

AC Lab - Signal and Noise Coupling

Textbook

In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.

Time Constant Circuits

Worksheets - Relays

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

Optothyristors

Textbook

Like bipolar transistors, SCRs and TRIACs are also manufactured as…

Series-parallel R, L, and C

Textbook

Now that we’ve seen how series and parallel AC circuit analysis…

Vol I. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Amplifier Circuits

Textbook

Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…

Introduction to Karnaugh Mapping

Textbook

Why learn about Karnaugh maps? The Karnaugh map, like Boolean…

AC Lab - Induction Motor

Textbook

In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.