Project Parts and Materials Automotive alternator (one required, but…
The variable reluctance motor is based on the principle that an…
A wound rotor induction motor has a stator like a squirrel cage…
If an electric current is passed through this wire, which direction…
Normally, the rotor windings of a wound rotor induction motor are…
Solid-state switching circuits usually keep their constituent…
Most AC motors are induction motors. Induction motors are favored due…
How is it possible to electrically measure the torque output by a…
Single Phase Synchronous Motors Single-phase synchronous motors are…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
If the ends of a wire loop are attached to two half-circular metal…
At first it may seem pointless to have the four buffer gates following…
Stepper Motor vs Servo Motor A stepper motor is a…
After the introduction of the DC electrical distribution system by…
Charles Proteus Steinmetz’s first job after arriving in America…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Brushless DC motors were developed from conventional brushed DC motors…
Just as devices have been made to measure certain physical quantities…
A very useful tool for observing rotating objects is a strobe light.…
Generators used in battery-charging systems must be regulated so as to…
Calculate the voltage output by the secondary winding of a transformer…
Just as devices have been made to measure certain physical quantities…
The variable reluctance motor is based on the principle that an…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Don’t just sit there! Build something!! Learning to mathematically…
A three-phase motor may be run from a single-phase power source.…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
It is sometimes said regarding electrical safety that, Ït’s not the…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Normally, the rotor windings of a wound rotor induction motor are…
Generators used in battery-charging systems must be regulated so as to…
If an electric current is passed through this wire, which direction…
A wound rotor induction motor has a stator like a squirrel cage…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
Most students of electricity begin their study with what is known as…
If the ends of a wire loop are attached to two half-circular metal…
Pulse Width Modulation (PWM) uses digital signals to control power…
In an ideal case, an inductor acts as a purely reactive device. That…
As we saw earlier, a power system with no secure connection to earth…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…
In designing digital circuits, the designer often begins with a truth…
Serial-in, serial-out shift registers delay data by one clock time for…
As the name suggests, the tetrode tube contains four elements: cathode…
Contributors to this chapter are listed in chronological order of…
In this circuit, three resistors receive the same amount of current (4…
Contributors to this chapter are listed in chronological order of…
Because batteries create current flow in a circuit by exchanging…
Tables of specific resistance and temperature coefficient of…
All About Contactors When a relay is used to switch a large amount of…
Now that we’ve seen how series and parallel AC circuit analysis…
All entries arranged in alphabetical order of surname. Major…
As opposed to normal equations where the solution is a number, a…
Mutual inductors are inductors that capitalize the effect of mutual…
Early in my explorations of electricity, I came across a length of…
Power Capacity As has already been observed, transformers must be well…
PARTS AND MATERIALS Two NPN transistors—models 2N2222 or…
