Categories

Motor Control Circuits

Textbook

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

Three-phase Transformer Circuits

Textbook

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

Synchronous Condenser

Textbook

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

Light-Pulse Switch

Worksheets - Motors

It is fairly important to use large value resistors (10 MΩ works…

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

AC Motor Control Circuits

Worksheets - Motors

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Motor Control Circuits

Textbook

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

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Time-Delay Electromechanical Relays

Worksheets - Motors

What does the normal status of an electrical switch refer to?…

Basic Electromagnetic Relays

Worksheets - Motors

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Voltage Regulation

Textbook

As we saw in a few SPICE analyses earlier in this chapter, the output…

Tesla Polyphase Induction Motors

Textbook

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

Switches, Electrically Actuated (Relays)

Textbook

The structure behind ladder logic is based on the electrical ladder…

Relay Construction

Textbook

Electricity and Magnetism An electric current through a conductor will…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Circuit With a Switch

Textbook

PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Digital Logic Functions

Textbook

We can construct a simple logic functions for our hypothetical lamp…

AC Motor Theory

Worksheets - Motors

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

Printed Circuit Board Layout and Manufacture

Worksheets - Motors

When a PCB designer speaks of dimensions in thous or mils, what does…

Batteries

Worksheets - Motors

If I wanted to build a battery-powered electric drill, would it be…

Boolean Algebraic Identities

Textbook

In mathematics, an identity is a statement true for all possible…

Branch Current Method

Textbook

The first and most straightforward network analysis technique is…

Digital Communication

Worksheets - Motors

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

Factoring Equivalencies

Textbook

Factoring Identities :   a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…

MESFETs

Textbook

What are “Series” and “Parallel” Circuits?

Textbook

Circuits consisting of just one battery and one load resistance are…

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Antiderivatives of Power Functions of e

Textbook

  Note: this is a very unique and useful property of e. As in…

Timer Circuits

Worksheets - Motors

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

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

The J-K Flip-Flop

Textbook

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

Coax Inductance Calculator

Tools

A calculator for computing the inductance of a coaxial cable.

Conductors, Insulators, and Electron Flow

Textbook

The electrons of different types of atoms have different degrees of…

Basic Troubleshooting Strategies

Worksheets - Motors

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

Basic Ohmmeter Use

Worksheets - Motors

Explain how an ohmmeter is able to measure the resistance of a…

555 Hysteretic Oscillator

Textbook

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

Shift Registers

Worksheets - Motors

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

AC Power

Worksheets - Motors

If a sinusoidal voltage is applied to an impedance with a phase angle…