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Tesla Polyphase Induction Motors

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

Wound Rotor Induction Motors

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

Reluctance Motor

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

What is Alternating Current (AC)?

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Selsyn (Synchro) Motors

Textbook

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

AC Commutator Motors

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Other Specialized Motors

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

AC Instrumentation Transducers

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Phasor Mathematics

Worksheets - Raspberry Pi

Provide a definition for phasor, as the term applies to electrical…

Voltmeter Design

Worksheets - Raspberry Pi

Suppose I were about to measure an unknown voltage with a manual-range…

What Are Zener Diodes?

Textbook

What Is a Zener Diode? A Zener diode is a special type of rectifying…

Numbers versus Numeration

Textbook

It is imperative to understand that the type of numeration system used…

The Tetrode

Textbook

As the name suggests, the tetrode tube contains four elements: cathode…

General Troubleshooting Tips

Textbook

When first approaching a failed or otherwise misbehaving system, the…

Waveform Analysis

Textbook

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

Insulated Gate Field-Effect Transistors

Worksheets - Raspberry Pi

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

Design Project: Simple Component Curve-Tracer Circuit

Worksheets - Raspberry Pi

What do each of the oscilloscope axes represent, in real-life terms…

Digital Logic Signals

Worksheets - Raspberry Pi

A rheostat (variable resistor) and a switch are both examples of…

Overcurrent Protection

Worksheets - Raspberry Pi

What hazards might be posed by a circuit with excessive current going…

Induction Motor

Textbook

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

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…

Physiological Effects of Electricity

Textbook

Most of us have experienced some form of electric “shock,”…

Programmable Logic Controllers

Worksheets - Raspberry Pi

The Programmable Logic Controller, or PLC, was invented in the late…

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Ohmmeter Usage

Textbook

Parts and Materials Multimeter, digital or analog Assorted resistors…

Half-wave Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) 6-volt…

Series and Parallel AC Circuits

Worksheets - Raspberry Pi

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

Oscilloscope Trigger Controls

Worksheets - Raspberry Pi

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