Categories

Single-phase Induction Motors

Textbook

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

AC Instrumentation Transducers

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

DC Generator Theory

Worksheets - Encoders

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Reluctance Motor

Textbook

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

What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

AC Generator Theory

Worksheets - Encoders

If an electric current is passed through this wire, which direction…

AC Commutator Motors

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

AC Motor Theory

Worksheets - Encoders

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

Servo Motor Systems

Worksheets - Encoders

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

DC Motor Theory

Worksheets - Encoders

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

Selsyn (Synchro) Motors

Textbook

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

Boolean Algebra

Worksheets - Encoders

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

Servo Motor Systems

Worksheets - Encoders

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

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Selsyn (Synchro) Motors

Textbook

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

What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

Rectifier Circuits

Worksheets - Encoders

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

Bipolar Junction Transistors as Switches

Worksheets - Encoders

Solid-state switching circuits usually keep their constituent…

Polyphase Motor Design

Textbook

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

DC Motor Control Circuits

Worksheets - Encoders

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

Tesla Polyphase Induction Motors

Textbook

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Encoders

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

Wound Rotor Induction Motors

Textbook

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

Motor Control Circuits

Textbook

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

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

AC Instrumentation Transducers

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Stepper Motor Calculator

Tools

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

Linear Computational Circuitry

Worksheets - Encoders

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

Oscilloscope Trigger Controls

Worksheets - Encoders

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

Design Project: Stepper Motor Driver

Worksheets - Encoders

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

555 Hysteretic Oscillator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Battery Construction

Textbook

The word battery simply means a group of similar components. In…

Mesh Current Method and Analysis

Textbook

The Mesh-Current Method, also known as the Loop Current Method, is…

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

Binary Addition

Textbook

The Rules of Binary Addition Adding binary numbers is a very simple…

Series and Parallel AC Circuits

Worksheets - Encoders

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

Parallel Resistance Calculator

Tools

Calculate the total resistance of resistors in parallel with ease!

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Electron Tubes

Textbook

Cathode:   This is the electrode that is heated and emits the…

Voltmeter Usage

Textbook

PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

3-bit Binary Counter

Textbook

PARTS AND MATERIALS 555 timer IC (Radio Shack catalog # 276-1723) One…

Physical Effects of Electricity

Worksheets - Encoders

Certain substances are known to physically deform (shorten or…

Make Your Own Multimeter

Textbook

PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…

Power Added Efficiency Calculator

Tools

A calculator designed to compute the power-added efficiency (PAE) of an amplifier

Transistor Ratings and Packages (IGFET)

Textbook

JFET Amplifiers

Worksheets - Encoders

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

Applications of Resonance

Textbook

So far, the phenomenon of resonance appears to be a useless curiosity,…

Memory Devices

Worksheets - Encoders

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