Categories

DC Generator Theory

Worksheets - Relays

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

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

CMOS Logic Gates

Worksheets - Relays

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

Inductor Commutating Circuits

Textbook

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

Time-Delay Electromechanical Relays

Worksheets - Relays

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

Protective Relay Circuits

Worksheets - Relays

Protective relays are special power-sensing devices whose job it is to…

Bipolar Junction Transistors as Switches

Worksheets - Relays

Solid-state switching circuits usually keep their constituent…

Motor Control Circuits

Textbook

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

Arc Flash and Arc Blast

Worksheets - Relays

Electromechanical relays used to start and stop high-power electric…

DC Motor Control Circuits

Worksheets - Relays

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

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

Time Constant Calculations

Worksheets - Relays

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

Solid-state Relays

Textbook

Limitations of Electromechanical Relays As versatile as…

Protective Relays

Textbook

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

Special-output Gates

Textbook

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

Thyristor Application Circuits

Worksheets - Relays

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

AC Motor Control Circuits

Worksheets - Relays

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Electromechanical Relay Logic

Worksheets - Relays

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Linear Computational Circuitry

Worksheets - Relays

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

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Single-phase Induction Motors

Textbook

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

Voltage Regulation

Textbook

As we saw in a few SPICE analyses earlier in this chapter, the output…

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.

Switches, Electrically Actuated (Relays)

Textbook

The structure behind ladder logic is based on the electrical ladder…

AC Commutator Motors

Textbook

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

The S-R Latch

Textbook

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

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

Bipolar junction transistors (Also known as BJTs) can be used as an…

Pulse Width Modulation

Textbook

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

AC Instrumentation Transducers

Textbook

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

High Voltage Ohmmeters

Textbook

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

Protective Relay Circuits

Worksheets - Relays

Protective relays are special power-sensing devices whose job it is to…

Step-up and Step-down Transformers

Textbook

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

Digital Logic Functions

Textbook

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

Encoders and Decoders

Worksheets - Relays

What does it mean, in general terms, to encode something? Conversely,…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

SPICE Simulation of Series and Parallel Circuits

Textbook

Previously, we examined series circuits and parallel circuits using…

Introduction to Junction Field-effect Transistors (JFET)

Textbook

A transistor is a semiconductor device that controls current with the…

Vectors and AC Waveforms

Textbook

OK, so how exactly can we represent AC quantities of voltage or…

Trigonometric Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Digital Lab - S-R Latch Using NOR Gates

Textbook

In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.

Servo Motor Systems

Worksheets - Relays

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

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

Passive Filter Circuits

Worksheets - Relays

In very simple, qualitative terms, rate the impedance of capacitors…

Design Project: Arbitrary Waveform Generator

Worksheets - Relays

What, exactly, is an arbitrary waveform generator, and for what…

Time Constant Circuits

Worksheets - Relays

Generally speaking, how many “time constants” worth of time does…

Circuit Components

Textbook

Remember that this tutorial is not exhaustive by any means, and that…

Op-amp Circuits

Worksheets - Relays

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

Design Project: Radio Transmitter

Worksheets - Relays

Research the FCC (Federal Communication Commission) guidelines on…

Integrated Circuits

Textbook

  A Logic Gate is assigned as an elementary building block of…

Sum and Product Notation

Textbook

For reference, this section introduces the terminology used in some…

The D Latch

Textbook

Since the enable input on a gated S-R latch provides a way to latch…

Specific Resistance of Conductors

Worksheets - Relays

Given two lengths of metal wire, which one will have the least…

Stripline Max Current Calculator

Tools

A calculator designed to calculate the maximum current that a stripline can handle

Capacitance, Reactance, and Admittance Calculator

Tools

A calculator for solving the capacitance, reactance, and admittance of a capacitor.

Finite-state Machine

Textbook

Feedback is a fascinating engineering principle. It can turn a rather…