Shaded Pole Induction Motor An easy way to provide starting torque to…
Calculate the voltage output by the secondary winding of a transformer…
After the introduction of the DC electrical distribution system by…
A tool designed to convert between units of torque
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
How is it possible to electrically measure the torque output by a…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
AC Motors Perhaps the most important benefit of polyphase AC power…
The variable reluctance motor is based on the principle that an…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Don’t just sit there! Build something!! Learning to mathematically…
A three-phase motor may be run from a single-phase power source.…
Most students of electricity begin their study with what is known as…
It is sometimes said regarding electrical safety that, Ït’s not the…
Normally, the rotor windings of a wound rotor induction motor are…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Stepper Motor vs Servo Motor A stepper motor is a…
Project Parts and Materials Automotive alternator (one required, but…
Explain the operation of this “H-bridge” motor control circuit: At…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Like all diodes, Shockley diodes are unidirectional devices; that is,…
A permanent magnet is a device that retains a magnetic field without…
Also called the parallel A/D converter, this circuit is the simplest…
PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Don’t just sit there! Build something!! Learning to mathematically…
What Is an Instrumentation Amplifier? An instrumentation amplifier…
As we saw earlier, a power system with no secure connection to earth…
Insulated gate field-effect transistors are unipolar devices just like…
This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).
As was mentioned before, the angle of this “power…
Any kind of switch contact can be designed so that the contacts…
This calculator will help compute the inductance of a length of wire.
Inductors do not have a stable “resistance” as conductors…
PARTS AND MATERIALS Three NPN transistors—model 2N2222 or 2N3403…
It is fairly important to use large value resistors (10 MΩ works…
What Is an XOR Gate? One element conspicuously missing from the set of…
Thomas Edison, that prolific American inventor, is often credited with…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
A helpful tool for calculating the impedance of a wire microstrip.
The word battery simply means a group of similar components. In…
Digital circuits are circuits dealing with signals restricted to the…
This chapter will cover the physics behind the operation of…
Real operational amplifiers have some imperfections compared to an…
What Is an XOR Gate? One element conspicuously missing from the set of…
Although many textbooks provide good introductions to digital memory…
PARTS AND MATERIALS Length of bare (uninsulated) copper wire Length of…
The bipolar junction transistor (BJT) was named because its operation…
Why learn about Karnaugh maps? The Karnaugh map, like Boolean…
Research the FCC (Federal Communication Commission) guidelines on…
Let’s connect three AC voltage sources in series and use complex…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
The 555 integrated circuit is the most popular chip ever manufactured.…
Diodes can perform switching and digital logic operations. Forward and…
In ladder logic symbolism, an electromechanical relay coil is shown as…
Calculate the voltage output by the secondary winding of a transformer…
Protective relays are special power-sensing devices whose job it is to…
(Template)
