Categories

Reluctance Motor

Textbook

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

AC Motor Theory

Worksheets - Encoders

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

Selsyn (Synchro) Motors

Textbook

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

DC Generator Theory

Worksheets - Encoders

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

DC Motor Theory

Worksheets - Encoders

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

AC Generator Theory

Worksheets - Encoders

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Single-phase Induction Motors

Textbook

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

What is Alternating Current (AC)?

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

AC Commutator Motors

Textbook

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

AC Instrumentation Transducers

Textbook

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

Servo Motor Systems

Worksheets - Encoders

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

Contactors

Textbook

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

Servo Motor Systems

Worksheets - Encoders

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

Basic Troubleshooting Strategies

Worksheets - Encoders

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

DC Motor Theory

Worksheets - Encoders

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

AC Instrumentation Transducers

Textbook

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

Oscilloscope Trigger Controls

Worksheets - Encoders

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

AC Commutator Motors

Textbook

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

Inductive Reactance

Worksheets - Encoders

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

Motor Control Circuits

Textbook

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

Boolean Algebra

Worksheets - Encoders

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

Automotive Alternator

Textbook

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

DC Generator Theory

Worksheets - Encoders

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

Reluctance Motor

Textbook

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Encoders

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

AC Motor Theory

Worksheets - Encoders

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

Selsyn (Synchro) Motors

Textbook

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Encoders

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

Introduction to Shift Registers

Textbook

Shift registers, like counters, are a form of sequential logic.…

Dielectric Strengths for Insulators

Textbook

Dielectric strength in kilovolts per inch (kV/in): Material*…

Capacitor Charge and Time Constant Calculator

Tools

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.

Thyristor Application Circuits

Worksheets - Encoders

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

EIRP Calculator

Tools

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Magnetic Fields and Inductance

Textbook

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

Likely Failures in Proven Systems

Textbook

The following problems are arranged in order from most likely to least…

Band-stop Filters

Textbook

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

Atomic Structure

Worksheets - Encoders

Shown here is a simplified representation of an atom: the smallest…

SPICE Quirks

Textbook

“Garbage in, garbage out.” —Anonymous SPICE is a…

Memory Devices

Worksheets - Encoders

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

Time Constant Circuits

Worksheets - Encoders

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

Impedance Transformation

Textbook

Standing waves at the resonant frequency points of an open- or…

Precision Potentiometer

Textbook

PARTS AND MATERIALS Two single-turn, linear-taper potentiometers, 5…

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

AC Motor Theory

Worksheets - Encoders

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

The Exclusive-OR Function: The XOR Gate

Textbook

What Is an XOR Gate? One element conspicuously missing from the set of…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…