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Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Tesla Polyphase Induction Motors

Textbook

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

DC Generator Theory

Worksheets - Encoders

Generators used in battery-charging systems must be regulated so as to…

Reluctance Motor

Textbook

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

AC Generator Theory

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If an electric current is passed through this wire, which direction…

AC Motor Theory

Worksheets - Encoders

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

Selsyn (Synchro) Motors

Textbook

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

DC Motor Theory

Worksheets - Encoders

If the ends of a wire loop are attached to two half-circular metal…

Single-phase Induction Motors

Textbook

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

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…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors 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…

Servo Motor Systems

Worksheets - Encoders

Explain the operation of this “H-bridge” motor control circuit: At…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Servo Motor Systems

Worksheets - Encoders

Explain the operation of this “H-bridge” motor control circuit: At…

Intermediate Electromagnetism and Electromagnetic Induction

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As an electric current is passed through a coil of wire, it creates a…

DC Motor Control Circuits

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How is it possible to electrically measure the torque output by a…

Basic Troubleshooting Strategies

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

Linear Computational Circuitry

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

Bipolar Junction Transistors as Switches

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Solid-state switching circuits usually keep their constituent…

AC Generator Theory

Worksheets - Encoders

If an electric current is passed through this wire, which direction…

Other Specialized Motors

Textbook

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Microcontroller Principles

Worksheets - Encoders

Read the following quotation, and then research the term…

What is Alternating Current (AC)?

Textbook

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

Rectifier Circuits

Worksheets - Encoders

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

Oscilloscope Trigger Controls

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

AC Motor Theory

Worksheets - Encoders

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

Induction Motor

Textbook

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

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

Tesla Polyphase Induction Motors

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

Active Filters

Worksheets - Encoders

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

Performance-Based Assessments for AC Circuit Competencies

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(Template)

Rectifier/Filter Circuit

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…

Series and Parallel Component Equivalent Values

Textbook

Series and Parallel Resistances     Series and Parallel…

Complex Number Arithmetic

Textbook

Since complex numbers are legitimate mathematical entities, just like…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Delta and Wye 3-Phase Circuits

Worksheets - Encoders

Label where each of the following electrical quantities would be found…

History of SPICE

Textbook

SPICE is a computer program designed to simulate analog electronic…

Temperature Coefficient of Resistance

Worksheets - Encoders

It is a common phenomenon for the electrical resistance of a substance…

Boolean Algebraic Identities

Textbook

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

Introduction to Conductance and Conductors

Textbook

By now you should be well aware of the correlation between electrical…

Voltage-to-Current Signal Conversion

Textbook

In instrumentation circuitry, DC signals are often used as analog…

Operational Amplifier Models

Textbook

While mention of operational amplifiers typically provokes visions of…

Digital Communication

Worksheets - Encoders

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

Commutating Diode

Textbook

PARTS AND MATERIALS 6 volt battery Power transformer, 120VAC step-down…

Encoder

Textbook

What is an Encoder? An encoder is a circuit that changes a set of…

Transistors, junction field-effect (JFET)

Textbook

Note that the direction of the arrow at the gate indicates the…

Design Project: Dual-output AC-DC Power Supply

Worksheets - Encoders

Safety is very important when designing and/or building a device…

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…