Brushless DC motors were developed from conventional brushed DC motors…
Most students of electricity begin their study with what is known as…
Shaded Pole Induction Motor An easy way to provide starting torque to…
A wound rotor induction motor has a stator like a squirrel cage…
Generators used in battery-charging systems must be regulated so as to…
In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
Charles Proteus Steinmetz’s first job after arriving in America…
Electromechanical watt-hour meters use an aluminum disk that is spun…
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.
A very useful tool for observing rotating objects is a strobe light.…
Don’t just sit there! Build something!! Learning to analyze digital…
Most AC motors are induction motors. Induction motors are favored due…
At first it may seem pointless to have the four buffer gates following…
Read the following quotation, and then research the term…
In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
Perhaps the most challenging aspect of interpreting ladder diagrams,…
If an electric current is passed through this wire, which direction…
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
How is it possible to electrically measure the torque output by a…
Pulse Width Modulation (PWM) uses digital signals to control power…
The interlock contacts installed in the previous section’s motor…
The variable reluctance motor is based on the principle that an…
Euler’s Number Euler’s constant is an important value for…
Serial-in, serial-out shift registers delay data by one clock time for…
A third variation on the counter-DAC-based converter theme is, in my…
Because of their insulated gates, IGFETs of all types have extremely…
In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.
Contributors to this chapter are listed in chronological order of…
In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.
As with inductors, the ideal capacitor is a purely reactive device,…
Power Capacity As has already been observed, transformers must be well…
Explain the principle of operation for the particular integrated…
These are the most common types of resistors available. Resistors…
Specific resistance at 20o C: Material Element/Alloy ohm-cmil/ft…
Over the course of learning about electricity, you will want to…
A tool designed to calculate the characteristic impedance of a twisted-pair cable
A tool designed to calculate the noise figure of cascaded amplifiers
In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.
In this circuit, three resistors receive the same amount of voltage…
A practical application of switch and relay logic is in control…
When an alternator produces AC voltage, the voltage switches polarity…
