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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…


Textbook

AC Generator Theory

AC Generator Theory

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


Worksheets - Industrial

AC Instrumentation Transducers

AC Instrumentation Transducers

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


Textbook

Reluctance Motor

Reluctance Motor

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


Textbook

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

DC Motor Theory

DC Motor Theory

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


Worksheets - Industrial

AC Commutator Motors

AC Commutator Motors

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


Textbook

Design Project: DC Motor

Design Project: DC Motor

The armature windings of your DC motor will have very low resistance.…


Worksheets - Industrial

Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


Textbook

Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


Textbook

AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Industrial

DC Generator Theory

DC Generator Theory

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


Worksheets - Industrial

Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


Textbook

DC Motor Control Circuits

DC Motor Control Circuits

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


Worksheets - Industrial

Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

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


Textbook

Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


Textbook

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


Tools

Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


Textbook

Servo Motor Systems

Servo Motor Systems

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


Worksheets - Industrial

AC Commutator Motors

AC Commutator Motors

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


Textbook

AC Instrumentation Transducers

AC Instrumentation Transducers

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


Textbook

Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

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


Textbook

Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


Textbook

Other Specialized Motors

Other Specialized Motors

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


Textbook

Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


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

What is Alternating Current (AC)?

What is Alternating Current (AC)?

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


Textbook

Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

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


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

Reluctance Motor

Reluctance Motor

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


Textbook

Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


Textbook

Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


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

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

Flash ADC

Flash ADC

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


Textbook

JFET Quirks

JFET Quirks


Textbook

Karnaugh Maps, Truth Tables, and Boolean Expressions

Karnaugh Maps, Truth Tables, and Boolean Expressions

Who Developed the Karnaugh Map? Maurice Karnaugh, a…


Textbook

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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


Worksheets - Industrial

Switches, Process Actuated

Switches, Process Actuated

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


Textbook

A Binary Adder

A Binary Adder

Suppose we wanted to build a device that could add two binary bits…


Textbook

TTL NAND and AND gates

TTL NAND and AND gates

Suppose we altered our basic open-collector inverter circuit, adding a…


Textbook

Permeability and Saturation

Permeability and Saturation

The nonlinearity of material permeability may be graphed for better…


Textbook

Time Constant Circuits

Time Constant Circuits

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


Worksheets - Industrial

Edge Coupled Trace Inductance Calculator

Edge Coupled Trace Inductance Calculator

This calculator helps you compute for the inductance of an edge coupled trace.


Tools

Microcontroller Principles

Microcontroller Principles

Read the following quotation, and then research the term…


Worksheets - Industrial

CMOS Logic Gates

CMOS Logic Gates

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


Worksheets - Industrial

Class A BJT Amplifiers

Class A BJT Amplifiers

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


Worksheets - Industrial

Copper Wire Gauge Table

Copper Wire Gauge Table

Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…


Textbook

Resonance in Series-Parallel Circuits

Resonance in Series-Parallel Circuits

In simple reactive circuits with little or no resistance, the effects…


Textbook

Asynchronous Counters

Asynchronous Counters

In the previous section, we saw a circuit using one J-K flip-flop that…


Textbook

Design Project: LED Stroboscope

Design Project: LED Stroboscope

A technician uses a stroboscope to “freeze” the rotation of a…


Worksheets - Industrial

Inductor Transient Response

Inductor Transient Response

Inductors have the exact opposite characteristics of capacitors.…


Textbook

Potentiometers

Potentiometers

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


Worksheets - Industrial

Ideal Diode Current and Voltage Calculator

Ideal Diode Current and Voltage Calculator

This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.


Tools

Waveguide Calculator (Rectangular)

Waveguide Calculator (Rectangular)

This tool calculates the cutoff frequency of a rectangular waveguide


Tools