Categories

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

DC Generator Theory

Worksheets - Stepper Motors

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

Wound Rotor Induction Motors

Textbook

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

Selsyn (Synchro) Motors

Textbook

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

DC Motor Theory

Worksheets - Stepper Motors

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

AC Instrumentation Transducers

Textbook

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

AC Lab - Automotive Alternator as AC Generator

Textbook

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Reluctance Motor

Textbook

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

AC Commutator Motors

Textbook

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

AC Generator Theory

Worksheets - Stepper Motors

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

Oscilloscope Trigger Controls

Worksheets - Stepper Motors

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

Design Project: Stepper Motor Driver

Worksheets - Stepper Motors

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Tesla Polyphase Induction Motors

Textbook

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

Stepper Motor Calculator

Tools

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

Bipolar Junction Transistors as Switches

Worksheets - Stepper Motors

Solid-state switching circuits usually keep their constituent…

DC Motor Control Circuits

Worksheets - Stepper Motors

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

AC Motor Theory

Worksheets - Stepper Motors

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

Polyphase Motor Design

Textbook

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

Other Specialized Motors

Textbook

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

Pulse Width Modulation

Textbook

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

DC Motor Control Circuits

Worksheets - Stepper Motors

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

555 Lab - LED Flasher with Inductive Flyback

Textbook

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.

Step-up, Step-down, and Isolation Transformers

Worksheets - Stepper Motors

Calculate the voltage output by the secondary winding of a transformer…

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Stepper Motors

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

Basic Troubleshooting Strategies

Worksheets - Stepper Motors

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

Wound Rotor Induction Motors

Textbook

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

Reluctance Motor

Textbook

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

Linear Computational Circuitry

Worksheets - Stepper Motors

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

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…

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.

Electric Shock

Worksheets - Stepper Motors

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

Single-phase Induction Motors

Textbook

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

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

Stepper Motors

Worksheets - Stepper Motors

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

Contactors

Textbook

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

Microcontroller Principles

Worksheets - Stepper Motors

Read the following quotation, and then research the term…

Electron Tubes

Textbook

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

Bridge Circuits

Textbook

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

Voltage Signal Systems

Textbook

The use of variable voltage for instrumentation signals seems a rather…

555 Lab - Monostable Multivibrator (One-shot)

Textbook

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.

Rules for Derivatives

Textbook

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

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Overcurrent Protection

Worksheets - Stepper Motors

What hazards might be posed by a circuit with excessive current going…

Data - Resistance & Superconductor

Textbook

Tables of specific resistance and temperature coefficient of…

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide

Hyperbolic Functions

Textbook

Note: all angles (x) must be expressed in units of radians for these…

Solving Simultaneous Equations: The Substitution Method and the Addition Method

Textbook

What are Simultaneous Equations and Systems of Equations? The terms…

Negative Feedback OpAmp Circuits

Worksheets - Stepper Motors

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

Susceptance and Admittance

Textbook

What is Conductance? In the study of DC circuits, the student of…

Static Electricity

Worksheets - Stepper Motors

What does it mean for an object to have an electric charge? Give an…

Analog Lab - 555 Ramp Signal Generator

Textbook

In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.

Wheatstone Bridge Calculator

Tools

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.

Inductors

Textbook

An inductor is a passive two-terminal electrical component that…

Maximum Power Transfer Theorem

Textbook

The Maximum Power Transfer Theorem is not so much a means of analysis…

Arc Flash and Arc Blast

Worksheets - Stepper Motors

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

Algebraic Substitution for Electric Circuits

Worksheets - Stepper Motors

There are two basic Ohm’s Law equations: one relating voltage,…