Categories

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

Motor Control Circuits

Textbook

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

Build a Transformer

Textbook

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

Relay Construction

Textbook

An electric current through a conductor will produce a magnetic field…

Linear Computational Circuitry

Worksheets - Motors

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

Flip-Flop Circuits

Worksheets - Motors

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

AC Commutator Motors

Textbook

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

Series and Parallel AC Circuits

Worksheets - Motors

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

Pulse Width Modulation

Textbook

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

Thyristor Application Circuits

Worksheets - Motors

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

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Potentiometer as a Rheostat

Textbook

Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…

Inductor Commutating Circuits

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Step-up and Step-down Transformers

Textbook

So far, we’ve observed simulations of transformers where the…

Single-phase Induction Motors

Textbook

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

Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

Time Constant Calculations

Worksheets - Motors

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

Protective Relays

Textbook

A special type of relay is one which monitors the current, voltage,…

Synchronous Condenser

Textbook

Synchronous motors load the power line with a leading power factor.…

Basic Electromagnetic Relays

Worksheets - Motors

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

Insulated Gate Bipolar Transistors

Worksheets - Motors

What is an Insulated Gate Bipolar Transistor (IGBT), and what…

Wire Microstrip Impedance Calculator

Tools

A helpful tool for calculating the impedance of a wire microstrip.

Inductor-Capacitor “tank” Circuit

Textbook

PARTS AND MATERIALS Oscilloscope Assortment of non-polarized…

Passive Integrator and Differentiator Circuits

Worksheets - Motors

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

N-Way Power Divider Calculator

Tools

This calculator determines the total path loss provided by an RF n-way power splitter.

AC Waveforms

Worksheets - Motors

Radio waves are comprised of oscillating electric and magnetic fields,…

Octal and Hexadecimal Numeration

Textbook

Because binary numeration requires so many bits to represent…

Successive Approximation ADC

Textbook

One method of addressing the digital ramp ADC’s shortcomings is…

Design Project: Sensitive Microphone Amplifier

Worksheets - Motors

Identify which direction each potentiometer wiper must move in this…

The Silicon-Controlled Rectifier (SCR)

Textbook

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…

Metric Prefix Conversions

Textbook

To express a quantity in a different metric prefix from how it was…

High-impedance Voltmeter

Textbook

PARTS AND MATERIALS Operational amplifier, model TL082 recommended…

Positive Feedback OpAmp Circuits

Worksheets - Motors

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

Resonance in Series-Parallel Circuits

Textbook

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

AC phase

Worksheets - Motors

If we were to express the series-connected DC voltages as phasors…

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

Basic Algebra and Graphing for Electric Circuits

Worksheets - Motors

Many different equations used in the analysis of electric circuits may…

Electrical Signal Types

Textbook

With BogusBus, our signals were very simple and straightforward: each…

Ring Counters

Textbook

If the output of a shift register is fed back to the input. a ring…

Electron Versus Conventional Flow

Worksheets - Motors

In this electrical circuit, trace the direction of current through the…

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.