Most AC motors are induction motors. Induction motors are favored due…
Single Phase Synchronous Motors Single-phase synchronous motors are…
The interlock contacts installed in the previous section’s motor…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
A very useful tool for observing rotating objects is a strobe light.…
Don’t just sit there! Build something!! Learning to mathematically…
How is it possible to electrically measure the torque output by a…
Most students of electricity begin their study with what is known as…
Pulse Width Modulation (PWM) uses digital signals to control power…
At first it may seem pointless to have the four buffer gates following…
Just as devices have been made to measure certain physical quantities…
Solid-state switching circuits usually keep their constituent…
Explain the operation of this “H-bridge” motor control circuit: At…
Stepper Motor vs Servo Motor A stepper motor is a…
A three-phase motor may be run from a single-phase power source.…
If an electric current is passed through this wire, which direction…
All About Contactors When a relay is used to switch a large amount of…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
It is sometimes said regarding electrical safety that, Ït’s not the…
Solid-state switching circuits usually keep their constituent…
A very useful tool for observing rotating objects is a strobe light.…
A chandelier has five light bulbs in it, and one of them is not…
After the introduction of the DC electrical distribution system by…
The variable reluctance motor is based on the principle that an…
Charles Proteus Steinmetz’s first job after arriving in America…
As an electric current is passed through a coil of wire, it creates a…
Don’t just sit there! Build something!! Learning to mathematically…
At first it may seem pointless to have the four buffer gates following…
Brushless DC motors were developed from conventional brushed DC motors…
A three-phase motor may be run from a single-phase power source.…
Calculate the voltage output by the secondary winding of a transformer…
Don’t just sit there! Build something!! Learning to analyze digital…
Project Parts and Materials Automotive alternator (one required, but…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Suppose we wanted to build a device that could add two binary bits…
PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…
During the early development of telephone technology, a unit was…
This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.
Contributors to this chapter are listed in chronological order of…
A third variation on the counter-DAC-based converter theme is, in my…
PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…
Both soldering irons and soldering guns are tools used in the process…
This tool is designed to calculate cross-talk coefficient and coupled voltage for a stripline
Suppose I were about to measure an unknown voltage with a manual-range…
Note that the direction of the arrow at the gate indicates the…
Instrumentation is a field of study and work centering on measurement…
Don’t just sit there! Build something!! Learning to mathematically…
What is an Insulated Gate Bipolar Transistor (IGBT), and what…
PARTS AND MATERIALS Length of bare (uninsulated) copper wire Length of…
This calculator determines the total path loss provided by an RF n-way power splitter.
A very important measurement in many liquid chemical processes…
As we’ve already learned, electricity requires a complete path…
Note the “50 ohm” rating printed on the jacket of the cable. What…
