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Tesla Polyphase Induction Motors

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Wound Rotor Induction Motors

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Reluctance Motor

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Other Specialized Motors

Textbook

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

AC Commutator Motors

Textbook

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

Selsyn (Synchro) Motors

Textbook

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

What is Alternating Current (AC)?

Textbook

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

AC Instrumentation Transducers

Textbook

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

Design Project: Arbitrary Waveform Generator

Worksheets - Sensors

What, exactly, is an arbitrary waveform generator, and for what…

Specific Troubleshooting Techniques

Textbook

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

Simple Vector Addition

Textbook

Remember that vectors are mathematical objects just like numbers on a…

Decibels Equations

Textbook

  RELATED WORKSHEETS: Decibel Measurements Worksheet

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Contributors (5)

Textbook

Contributors to this chapter are listed in chronological order of…

Peak Detector

Textbook

A peak detector is a series connection of a diode and a…

Multi-Stage Amplifier

Textbook

PARTS AND MATERIALS Three NPN transistors—model 2N2222 or 2N3403…

Design Project: DC Voltage Regulator

Worksheets - Sensors

It may seem difficult to even start on a project such as this, with no…

Electrical Transients

Textbook

This chapter explores the response of capacitors and inductors to…

Zener Diodes

Worksheets - Sensors

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

Linear Computational Circuitry

Worksheets - Sensors

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

Electrons and “holes’’

Textbook

Pure semiconductors are relatively good insulators as compared with…

Time Constant Circuits

Worksheets - Sensors

Generally speaking, how many “time constants” worth of time does…

Phasor Mathematics

Worksheets - Sensors

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

Automotive Alternator

Textbook

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

AC Resistor Circuits (Capacitive)

Textbook

Pure resistive AC circuit: voltage and current are in phase.  …

Transistors, Insulated-gate Field-effect (IGFET or MOSFET)

Textbook

We have the symbols for depletion mode and enhancement mode MOSFETs -…

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Amplifier Circuits

Textbook

Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…