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AC Commutator Motors

Textbook

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

Other Specialized Motors

Textbook

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

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…

Selsyn (Synchro) Motors

Textbook

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

Reluctance Motor

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Wound Rotor Induction Motors

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Phasing

Textbook

Since transformers are essentially AC devices, we need to be aware of…

Calculating Electric Power

Textbook

Learn the Power Formula We’ve seen the formula for determining…

Simple Circuits

Worksheets - Sensors

Shown here is the schematic symbol for a resistor: What is the purpose…

Performance-Based Assessments for Network Analysis Competencies

Worksheets - Sensors

Precision Potentiometer

Textbook

PARTS AND MATERIALS Two single-turn, linear-taper potentiometers, 5…

Conventional Transistor Overview and Special Transistors

Worksheets - Sensors

A microcontroller is a specialized type of digital computer used to…

Questions to Ask Before Proceeding

Textbook

Has the system ever worked before? If yes, has anything happened to…

NAND Gate S-R Enabled Latch

Textbook

PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Voltage Multipliers (Doublers, Triplers, Quadruplers, and More)

Textbook

A voltage multiplier is a specialized rectifier circuit…

Series Batteries

Textbook

PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery  …

Averager and Summer Circuits

Textbook

If we take three equal resistors and connect one end of each to a…

Multiplexers and Demultiplexers

Worksheets - Sensors

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

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

What is Alternating Current (AC)?

Textbook

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

Logic Signal Voltage Levels

Textbook

Input Voltages for Logic Gates Logic gate circuits are designed to…

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Practical Power Factor Correction

Textbook

When the need arises to correct for poor power factor in an AC power…

Magnetic Fields and Inductance

Textbook

Whenever electrons flow through a conductor, a magnetic field will…

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…