The variable reluctance motor is based on the principle that an…
Textbook
AC Motors Perhaps the most important benefit of polyphase AC power…
Textbook
All About Contactors When a relay is used to switch a large amount of…
Textbook
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.
Textbook
If the ends of a wire loop are attached to two half-circular metal…
Worksheets - Motor Control
Read the following quotation, and then research the term…
Worksheets - Motor Control
A chandelier has five light bulbs in it, and one of them is not…
Worksheets - Motor Control
Charles Proteus Steinmetz’s first job after arriving in America…
Textbook
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.
Textbook
How is it possible to electrically measure the torque output by a…
Worksheets - Motor Control
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.
Textbook
A wound rotor induction motor has a stator like a squirrel cage…
Textbook
Most students of electricity begin their study with what is known as…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motor Control
The interlock contacts installed in the previous section’s motor…
Textbook
The armature windings of your DC motor will have very low resistance.…
Worksheets - Motor Control
Brushless DC motors were developed from conventional brushed DC motors…
Textbook
Stepper Motor vs Servo Motor A stepper motor is a…
Textbook
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
A three-phase motor may be run from a single-phase power source.…
Textbook
Synchronous motors load the power line with a leading power factor.…
Textbook
What would happen to this meter movement, if connected directly to a…
Worksheets - Motor Control
What is the purpose of the switch shown in this schematic diagram?
Worksheets - Motor Control
Although the prime intent of octal and hexadecimal numeration systems…
Textbook
Let’s connect three AC voltage sources in series and use complex…
Textbook
In order to work with complex numbers without drawing vectors, we…
Textbook
Power Equation of Ohm’s Law and Joule’s Law …
Textbook
The final transistor amplifier configuration (Figure below) we need to…
Textbook
In the simplest terms you can think of, define what an electrical…
Worksheets - Motor Control
With BogusBus, our signals were very simple and straightforward: each…
Textbook
Definition of a Radical Given the expression where “x” is…
Textbook
There’s a sure way to calculate any of the values in a reactive…
Textbook
Circuits consisting of just one battery and one load resistance are…
Textbook
These are the most common types of resistors available. Resistors…
Textbook
JFETs, like bipolar transistors, are able to “throttle”…
Textbook
So far we know that AC voltage alternates in polarity and AC current…
Textbook
The armature windings of your DC motor will have very low resistance.…
Worksheets - Motor Control
As was stated earlier, most meter movements are sensitive devices.…
Textbook
Because it takes energy to force charge to flow against the opposition…
Textbook
Of course, there is a danger of electrical shock when directly…
Textbook
In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.
Textbook
Capacitors do not have a stable “resistance” as conductors…
Textbook
Now that we’ve seen how series and parallel AC circuit analysis…
Textbook
When a PCB designer speaks of dimensions in thous or mils, what does…
Worksheets - Motor Control
In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.
Textbook
If the output of a shift register is fed back to the input. a ring…
Textbook
Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.
Tools
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motor Control
Diodes can perform switching and digital logic operations. Forward and…
Textbook
This calculator determines the total path loss provided by an RF n-way power splitter.
Tools
After applying some of the general troubleshooting tips to narrow the…
Textbook
What, exactly, is necessary to establish electrical continuity between…
Worksheets - Motor Control
The single-transistor inverter circuit illustrated earlier is actually…
Textbook
It is sometimes desirable to have circuits capable of selectively…
Textbook
Certain substances are known to physically deform (shorten or…
Worksheets - Motor Control
In the common-emitter section of this chapter, we saw a SPICE analysis…
Textbook
In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.
Textbook
In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.
Textbook
In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.
Textbook
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.
Textbook
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