Categories

Protective Relay Circuits

Worksheets - Motors

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

Motor Control Circuits

Textbook

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

Inductive Reactance

Worksheets - Motors

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

The S-R Latch

Textbook

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

Contactors

Textbook

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

Series and Parallel AC Circuits

Worksheets - Motors

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

DC Generator Theory

Worksheets - Motors

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

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Performance-Based Assessments for Digital Circuit Competencies

Worksheets - Motors

(Template)

Encoders and Decoders

Worksheets - Motors

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

Thyristor Application Circuits

Worksheets - Motors

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

Switch Types

Textbook

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

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

Boolean Algebra

Worksheets - Motors

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

TTL Logic Gates

Worksheets - Motors

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

Arc Flash and Arc Blast

Worksheets - Motors

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

AC Motor Control Circuits

Worksheets - Motors

Perhaps the most challenging aspect of interpreting ladder diagrams,…

DC Motor Control Circuits

Worksheets - Motors

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

Bipolar Junction Transistors as Switches

Worksheets - Motors

Solid-state switching circuits usually keep their constituent…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Pulse Width Modulation

Textbook

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

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

DC Motor Control Circuits

Worksheets - Motors

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

Other Specialized Motors

Textbook

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

Sensing AC Magnetic Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…

Tesla Polyphase Induction Motors

Textbook

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

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Bipolar Junction Transistors as Switches

Worksheets - Motors

Solid-state switching circuits usually keep their constituent…

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

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

AC Commutator Motors

Textbook

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

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

Resonance

Worksheets - Motors

The Q factor of a series inductive circuit is given by the following…

Switches, Process Actuated

Textbook

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

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

Digital Logic Functions

Textbook

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

DC Generator Theory

Worksheets - Motors

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

The common-drain Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Successive Approximation ADC

Textbook

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

Magnetic Units of Measurement

Textbook

If the burden of two systems of measurement for common quantities…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Nonlinear Resistance

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Band-stop Filters

Textbook

How to Create a Band-stop Filter? Also called band-elimination,…

Simple Op-Amp

Textbook

PARTS AND MATERIALS Two 6-volt batteries Four NPN…

Potentiometer as a Rheostat

Textbook

Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…

Binary Math Circuits

Worksheets - Motors

Add the following binary numbers:

Measurement Circuits

Textbook

Figure below shows a photodiode amplifier for measuring low levels of…

Physical Effects of Electricity

Worksheets - Motors

Certain substances are known to physically deform (shorten or…

Complex Number Arithmetic

Textbook

Since complex numbers are legitimate mathematical entities, just like…

Current Divider Circuits and the Current Divider Formula

Textbook

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

Rectifier/Filter Circuit

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…

Biasing Techniques (IGFET)

Textbook

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Setting Up a Home Lab

Textbook

In order to build the circuits described in this volume, you will need…

Electric Shock

Worksheets - Motors

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