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Servo Motor Systems

Servo Motor Systems

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


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Other Specialized Motors

Other Specialized Motors

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


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Single-phase Induction Motors

Single-phase Induction Motors

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


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Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

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


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Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


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AC Generator Theory

AC Generator Theory

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


Worksheets - Industrial

DC Motor Control Circuits

DC Motor Control Circuits

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


Worksheets - Industrial

DC Motor Theory

DC Motor Theory

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


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Special-purpose Diodes

Special-purpose Diodes

Schottky diodes Schottky diodes are constructed of a metal-to-N…


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DC Generator Theory

DC Generator Theory

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


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Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


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Stepper Motor Calculator

Stepper Motor Calculator

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


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AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Industrial

AC Instrumentation Transducers

AC Instrumentation Transducers

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


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Reluctance Motor

Reluctance Motor

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


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Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


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Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


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AC Commutator Motors

AC Commutator Motors

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


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Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


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AC Motor Theory

AC Motor Theory

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


Worksheets - Industrial

Other Specialized Motors

Other Specialized Motors

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


Textbook

Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


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Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


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Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


Textbook

Parallel Resistor Calculator

Parallel Resistor Calculator

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.


Tools

Flash ADC

Flash ADC

Also called the parallel A/D converter, this circuit is the simplest…


Textbook

Lorentz Force Calculator

Lorentz Force Calculator

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.


Tools

Reluctance Motor

Reluctance Motor

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


Textbook

AC Instrumentation Transducers

AC Instrumentation Transducers

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


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Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


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What is Alternating Current (AC)?

What is Alternating Current (AC)?

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


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Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


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Wheatstone Bridge Calculator

Wheatstone Bridge Calculator

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


Tools

AC Commutator Motors

AC Commutator Motors

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


Textbook

Instrumentation Amplifier Gain Calculator

Instrumentation Amplifier Gain Calculator

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.


Tools

Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

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


Textbook

Programmable Logic Controllers

Programmable Logic Controllers

The Programmable Logic Controller, or PLC, was invented in the late…


Worksheets - Industrial

Edge Coupled Microstrip Impedance Calculator

Edge Coupled Microstrip Impedance Calculator

This tool helps calculate the impedance of an edge-coupled microstrip.


Tools

Wire Self Inductance Calculator

Wire Self Inductance Calculator

This calculator will help compute the inductance of a length of wire.


Tools

Building Series-Parallel Resistor Circuits

Building Series-Parallel Resistor Circuits

Once again, when building battery/resistor circuits, the student or…


Textbook

Instrumentation Amplifier Gain Calculator

Instrumentation Amplifier Gain Calculator

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.


Tools

Susceptance and Admittance

Susceptance and Admittance

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


Textbook

Maximum Power Transfer Theorem

Maximum Power Transfer Theorem

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


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AC Lab - Frequency Analysis

AC Lab - Frequency Analysis

In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.


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Circuit Simplification Examples

Circuit Simplification Examples

Let’s begin with a semiconductor gate circuit in need of…


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Gate Universality

Gate Universality

NAND and NOR gates possess a special property: they are universal.…


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Harmonics in Polyphase Power Systems

Harmonics in Polyphase Power Systems

In the chapter on mixed-frequency signals, we explored the concept of…


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Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


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Basic Electromagnetism and Electromagnetic Induction

Basic Electromagnetism and Electromagnetic Induction

When lightning strikes, nearby magnetic compass needles may be seen to…


Worksheets - Industrial

Look-up Tables

Look-up Tables

Having learned about digital memory devices in the last chapter, we…


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Meter Check of a Diode

Meter Check of a Diode

The Functionality of Diode Polarity Being able to determine the…


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Open-Loop OpAmp Circuits

Open-Loop OpAmp Circuits

Determine what the magnitude and polarity of the voltmeter’s…


Worksheets - Industrial

Nonlinear OpAmp Circuits

Nonlinear OpAmp Circuits

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


Worksheets - Industrial

Simple Series Resonance

Simple Series Resonance

A similar effect happens in series inductive/capacitive circuits. When…


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The Cascode Amplifier

The Cascode Amplifier

While the C-B (common-base) amplifier is known for wider bandwidth…


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AC Circuit Equations

AC Circuit Equations

Inductive Reactance     Capacitive Reactance    …


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