A wound rotor induction motor has a stator like a squirrel cage…
Most students of electricity begin their study with what is known as…
The variable reluctance motor is based on the principle that an…
Explain the operation of this “H-bridge” motor control circuit: At…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
How is it possible to electrically measure the torque output by a…
Don’t just sit there! Build something!! Learning to mathematically…
If the ends of a wire loop are attached to two half-circular metal…
Solid-state switching circuits usually keep their constituent…
Electromechanical watt-hour meters use an aluminum disk that is spun…
A very useful tool for observing rotating objects is a strobe light.…
A three-phase motor may be run from a single-phase power source.…
Just as devices have been made to measure certain physical quantities…
Stepper Motor vs Servo Motor A stepper motor is a…
All About Contactors When a relay is used to switch a large amount of…
Most AC motors are induction motors. Induction motors are favored due…
The interlock contacts installed in the previous section’s motor…
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.
Generators used in battery-charging systems must be regulated so as to…
Single Phase Synchronous Motors Single-phase synchronous motors are…
A three-phase motor may be run from a single-phase power source.…
In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
The interlock contacts installed in the previous section’s motor…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
A chandelier has five light bulbs in it, and one of them is not…
In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
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.
Solid-state switching circuits usually keep their constituent…
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
Don’t just sit there! Build something!! Learning to analyze digital…
Normally, the rotor windings of a wound rotor induction motor are…
As an electric current is passed through a coil of wire, it creates a…
A very useful tool for observing rotating objects is a strobe light.…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Most AC motors are induction motors. Induction motors are favored due…
Brushless DC motors were developed from conventional brushed DC motors…
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.
Just as devices have been made to measure certain physical quantities…
Calculate the voltage output by the secondary winding of a transformer…
Don’t just sit there! Build something!! Learning to mathematically…
In very simple, qualitative terms, rate the impedance of capacitors…
If a block of P-type semiconductor is placed in contact with a block…
In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.
When a switch is actuated and contacts touch one another under the…
In the previous section, we explored what would happen in simple…
Show how this ammeter would be connected to the light bulb circuit to…
Shift registers, like counters, are a form of sequential logic.…
Up to this point we have considered logic reduction problems where…
Electricity and Magnetism An electric current through a conductor will…
The SPICE circuit simulation computer program uses scientific notation…
The SPICE circuit simulation program provides for modeling diodes in…
Devoting a whole chapter in a modern electronics text to the design…
In this introduction to parallel resistance circuits, we will explain…
This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.
While Oersted’s surprising discovery of electromagnetism paved…
A common class of operation used in radio-frequency (RF) amplifier…
In this hands-on electronics experiment, you will build resistive current dividers and observe how Ohm's law and Kirchhoff's current law function in real circuits using a voltmeter and an ammeter.
Whenever electrons flow through a conductor, a magnetic field will…
Note: all angles (x) must be expressed in units of radians for these…
Don’t just sit there! Build something!! Learning to mathematically…
