Categories

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

DC Generator Theory

Worksheets - Electric Vehicles

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

Motor Control Circuits

Textbook

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

Inductive Reactance

Worksheets - Electric Vehicles

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

Automotive Alternator

Textbook

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

Contactors

Textbook

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

What is Alternating Current (AC)?

Textbook

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

Oscilloscope Trigger Controls

Worksheets - Electric Vehicles

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

AC Instrumentation Transducers

Textbook

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

Servo Motor Systems

Worksheets - Electric Vehicles

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

Bipolar Junction Transistors as Switches

Worksheets - Electric Vehicles

Solid-state switching circuits usually keep their constituent…

Wound Rotor Induction Motors

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

AC Motor Control Circuits

Worksheets - Electric Vehicles

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

DC Motor Control Circuits

Worksheets - Electric Vehicles

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

DC Motor Theory

Worksheets - Electric Vehicles

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

Single-phase Induction Motors

Textbook

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

Reluctance Motor

Textbook

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

AC Motor Theory

Worksheets - Electric Vehicles

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Induction Motor, Large

Textbook

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

Stepper Motor Calculator

Tools

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

Inductive Reactance

Worksheets - Electric Vehicles

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

Wound Rotor Induction Motors

Textbook

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Electric Vehicles

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

Stepper Motors

Worksheets - Electric Vehicles

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

Automotive Alternator

Textbook

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

Pulse Width Modulation

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

DC Motor Theory

Worksheets - Electric Vehicles

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Electric Vehicles

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

AC Motor Theory

Worksheets - Electric Vehicles

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

AC Commutator Motors

Textbook

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

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Boolean Algebra

Worksheets - Electric Vehicles

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

Microcontroller Principles

Worksheets - Electric Vehicles

Read the following quotation, and then research the term…

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

What is Alternating Current (AC)?

Textbook

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

Electric Shock

Worksheets - Electric Vehicles

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

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Tesla Polyphase Induction Motors

Textbook

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

Diodes

Textbook

A diode is an electronics component made from a combination of a…

Electric Shock Data

Textbook

The table of electric currents and their various bodily effects was…

The Antiderivative (Indefinite Integral)

Textbook

  Notice something important here: taking the derivative of f(x)…

Using Multiple Combinational Circuits

Textbook

As an example of using several circuits together, we are going to make…

Wavelength (TEM) Calculator

Tools

This calculator determines the wavelength of a signal given the frequency and dielectric constant.

Bipolar Junction Transistor (BJT) theory

Worksheets - Electric Vehicles

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

Rectifier/Filter Circuit

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…

Wire Types and Sizes

Worksheets - Electric Vehicles

Most electrical wire is covered in a rubber or plastic coating called…

Norton’s Theorem

Textbook

What is Norton’s Theorem? Norton’s Theorem states that it…

Build a Transformer

Textbook

PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…

Scientific Notation and Metric Prefixes

Worksheets - Electric Vehicles

Write the following exponential expressions in expanded form: 101 =…

Electrical Conduction in Semiconductors

Worksheets - Electric Vehicles

In any electrically conductive substance, what are charge carriers?…

JFET Amplifiers

Worksheets - Electric Vehicles

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

History of SPICE

Textbook

SPICE is a computer program designed to simulate analog electronic…

The J-K Flip-Flop

Textbook

Another variation on a theme of bistable multivibrators is the J-K…

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

Transistor Ratings and Packages (JFET)

Textbook