Categories

Reluctance Motor

Textbook

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

Servo Motor Systems

Worksheets - Electric Vehicles

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

Automotive Alternator

Textbook

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

DC Motor Theory

Worksheets - Electric Vehicles

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

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

Single-phase Induction Motors

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

AC Motor Theory

Worksheets - Electric Vehicles

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

DC Motor Control Circuits

Worksheets - Electric Vehicles

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

Oscilloscope Trigger Controls

Worksheets - Electric Vehicles

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

Motor Control Circuits

Textbook

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

Inductive Reactance

Worksheets - Electric Vehicles

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Bipolar Junction Transistors as Switches

Worksheets - Electric Vehicles

Solid-state switching circuits usually keep their constituent…

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…

AC Motor Control Circuits

Worksheets - Electric Vehicles

Perhaps the most challenging aspect of interpreting ladder diagrams,…

AC Instrumentation Transducers

Textbook

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

DC Generator Theory

Worksheets - Electric Vehicles

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

Wound Rotor Induction Motors

Textbook

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

Single-phase Induction Motors

Textbook

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

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…

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…

Bipolar Junction Transistors as Switches

Worksheets - Electric Vehicles

Solid-state switching circuits usually keep their constituent…

Step-up, Step-down, and Isolation Transformers

Worksheets - Electric Vehicles

Calculate the voltage output by the secondary winding of a transformer…

Tesla Polyphase Induction Motors

Textbook

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

DC Motor Theory

Worksheets - Electric Vehicles

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

Servo Motor Systems

Worksheets - Electric Vehicles

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

AC Commutator Motors

Textbook

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

What is Alternating Current (AC)?

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

AC Generator Theory

Worksheets - Electric Vehicles

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

Oscilloscope Trigger Controls

Worksheets - Electric Vehicles

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…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Lenz’s Law and Faraday’s Law Calculator

Tools

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Design Project: Stepper Motor Driver

Worksheets - Electric Vehicles

At first it may seem pointless to have the four buffer gates following…

Circuit With a Switch

Textbook

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

Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - Electric Vehicles

Applications of Resonance

Textbook

So far, the phenomenon of resonance appears to be a useless curiosity,…

Precision Potentiometer

Textbook

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

Wire Over Plane Inductance Calculator

Tools

This calculator helps you compute the inductance of a wire-over-plane setup.

Inductance

Worksheets - Electric Vehicles

∫f(x) dx Calculus alert! One of the fundamental principles of…

Binary Math Circuits

Worksheets - Electric Vehicles

Add the following binary numbers:

Transistor Ratings and Packages (JFET)

Textbook

DC Metrology

Worksheets - Electric Vehicles

Define the following metrological terms: • Uncertainty • Accuracy…

AC Bridge Circuits

Textbook

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

Servo Motor Systems

Worksheets - Electric Vehicles

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

Parallel Resistor-Inductor Circuits

Textbook

Let’s take the same components for our series example circuit…

Susceptance and Admittance

Textbook

What is Conductance? In the study of DC circuits, the student of…

Design Project: DC Voltage Regulator

Worksheets - Electric Vehicles

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

Inductor Transient Response

Textbook

Inductors have the exact opposite characteristics of capacitors.…

NAND Gate S-R Enabled Latch

Textbook

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

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

Textbook

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

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…