Categories

What is Alternating Current (AC)?

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

What is Alternating Current (AC)?

Textbook

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

AC Generator Theory

Worksheets - DC Motors

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

Vacuum Tube Audio Amplifier

Textbook

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

Selsyn (Synchro) Motors

Textbook

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

Inductive Reactance

Worksheets - DC Motors

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

Polyphase Motor Design

Textbook

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - DC Motors

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

Wound Rotor Induction Motors

Textbook

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

Pulse Width Modulation

Textbook

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

Basic Troubleshooting Strategies

Worksheets - DC Motors

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

AC Motor Control Circuits

Worksheets - DC Motors

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Other Specialized Motors

Textbook

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

DC Generator Theory

Worksheets - DC Motors

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Linear Computational Circuitry

Worksheets - DC Motors

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

Reluctance Motor

Textbook

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

Stepper Motors

Worksheets - DC Motors

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

Design Project: Stepper Motor Driver

Worksheets - DC 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…

Complex Voltage and Current Calculations

Textbook

There are circumstances when you may need to analyze a DC reactive…

Build a Transformer

Textbook

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

Using Multiple Combinational Circuits

Textbook

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

Re-drawing Complex Schematics

Textbook

Typically, complex circuits are not arranged in nice, neat, clean…

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

Negative Feedback

Textbook

If we connect the output of an op-amp to its inverting input and apply…

Common Sources of Hazard

Textbook

Of course, there is a danger of electrical shock when directly…

Digital Codes

Worksheets - DC Motors

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

Arithmetic with Scientific Notation

Textbook

The benefits of scientific notation do not end with ease of writing…

The Common-base Amplifier

Textbook

The final transistor amplifier configuration (Figure below) we need to…

Electrical Connections

Worksheets - DC Motors

What, exactly, is necessary to establish electrical continuity between…

Biasing Techniques (BJT)

Textbook

In the common-emitter section of this chapter, we saw a SPICE analysis…

Radar Maximum Range Calculator

Tools

This tool is designed to calculate the maximum distance (range) that a radar can detect

Multiplexers

Textbook

A multiplexer, abbreviated mux, is a device that has multiple inputs…

pH Measurement

Textbook

A very important measurement in many liquid chemical processes…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

JFET Current Regulator

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

555 Hysteretic Oscillator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Sources of Electricity

Worksheets - DC Motors

What is the difference between DC and AC electricity? Identify some…