Categories

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…

Microcontroller Principles

Worksheets - DC Motors

Read the following quotation, and then research the term…

Motor Control Circuits

Textbook

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

Pulse Width Modulation

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Automotive Alternator

Textbook

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

Other Specialized Motors

Textbook

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

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…

Linear Computational Circuitry

Worksheets - DC Motors

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

Inductive Reactance

Worksheets - DC Motors

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

DC Motor Theory

Worksheets - DC Motors

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.…

Stepper Motors

Worksheets - DC Motors

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

Boolean Algebra

Worksheets - DC Motors

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

Stepper Motor Calculator

Tools

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

Reluctance Motor

Textbook

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

Step-up, Step-down, and Isolation Transformers

Worksheets - DC Motors

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

Servo Motor Systems

Worksheets - DC Motors

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

AC Instrumentation Transducers

Textbook

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

Nonlinear Resistance

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Calculating Power Factor

Textbook

As was mentioned before, the angle of this “power…

An Analogy for Ohm’s Law

Textbook

Ohm’s Law also makes intuitive sense if you apply it to the…

Boolean Relationships on Venn Diagrams

Textbook

The fourth example has A partially overlapping B. Though, we will…

Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

Resistor Color Code Calculator and Chart (4-band, 5-band or 6-band)

Tools

A handy tool for reading resistor color code values

Conductor Size

Textbook

It should be common-sense knowledge that liquids flow through…

Numeration Systems

Worksheets - DC Motors

Digital computers communicate with external devices through ports:…

Special-output Gates

Textbook

Complementary Output Gates It is sometimes desirable to have a logic…

Ohmmeter Usage

Textbook

Parts and Materials Multimeter, digital or analog Assorted resistors…

555 Schmitt Trigger

Textbook

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

Inductor Quirks

Textbook

In an ideal case, an inductor acts as a purely reactive device. That…

Inductive Reactance

Worksheets - DC Motors

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

Series and Parallel Capacitors

Textbook

When capacitors are connected in series, the total capacitance is…

Trace Resistance Calculator

Tools

This calculator determines the resistance of a microstrip trace

PC Oscilloscope

Textbook

PARTS AND MATERIALS IBM-compatible personal computer with sound card,…

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

Selsyn (Synchro) Motors

Textbook

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

Voltmeter Design

Textbook

As was stated earlier, most meter movements are sensitive devices.…