Since three-phase is used so often for power distribution systems, it…
The interlock contacts installed in the previous section’s motor…
Transformers with Multiple Secondaries Transformers are very versatile…
Don’t just sit there! Build something!! Learning to mathematically…
Another variation on a theme of bistable multivibrators is the J-K…
Before the advent of solid-state logic circuits, logical control…
(Template)
It is sometimes desirable to have a logic gate that provides both…
AC Motors Perhaps the most important benefit of polyphase AC power…
PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…
Shaded Pole Induction Motor An easy way to provide starting torque to…
Electromechanical relays used to start and stop high-power electric…
Thyristors are a class of semiconductor components exhibiting…
If we take the equivalent circuit for an SCR and add another external…
It is fairly important to use large value resistors (10 MΩ works…
Most AC motors are induction motors. Induction motors are favored due…
Protective relays are special power-sensing devices whose job it is to…
Calculate the voltage output by the secondary winding of a transformer…
PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…
We’ve already seen one example of a monostable multivibrator in use:…
As versatile as electromechanical relays can be, they do suffer many…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
What hazards might be posed by a circuit with excessive current going…
What is a Synchronous Counter? A synchronous counter, in contrast to…
Because capacitors store energy in the form of an electric field, they…
This tool calculates the cutoff frequency of a circular waveguide
Both soldering irons and soldering guns are tools used in the process…
A permanent magnet is a device that retains a magnetic field without…
We can take the same components from the series circuit and rearrange…
An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.
In the course of learning about electricity, you will want to…
A tool designed to convert between units of torque
Every meter impacts the circuit it is measuring to some extent, just…
Contributors to this chapter are listed in chronological order of…
Explain how the microphone in your amplifier works. How, exactly, does…
What are Time-Delay Relays? Some relays are constructed with a kind of…
For a given amount of water pressure, which will flow a greater rate…
PARTS AND MATERIALS High-quality “closed-cup” audio headphones…
Suppose we altered our basic open-collector inverter circuit, adding a…
A wound rotor induction motor has a stator like a squirrel cage…
Don’t just sit there! Build something!! Learning to mathematically…
