Shaded Pole Induction Motor An easy way to provide starting torque to…
Textbook
Charles Proteus Steinmetz’s first job after arriving in America…
Textbook
It is sometimes said regarding electrical safety that, Ït’s not the…
Worksheets - Motor Control
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
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
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At first it may seem pointless to have the four buffer gates following…
Worksheets - Motor Control
Calculate the voltage output by the secondary winding of a transformer…
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Single Phase Synchronous Motors Single-phase synchronous motors are…
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AC Motors Perhaps the most important benefit of polyphase AC power…
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A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
Tools
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
All About Contactors When a relay is used to switch a large amount of…
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The armature windings of your DC motor will have very low resistance.…
Worksheets - Motor Control
The variable reluctance motor is based on the principle that an…
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A wound rotor induction motor has a stator like a squirrel cage…
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A three-phase motor may be run from a single-phase power source.…
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A tool designed to convert between units of torque
Tools
Pulse Width Modulation (PWM) uses digital signals to control power…
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Electromechanical watt-hour meters use an aluminum disk that is spun…
Worksheets - Motor Control
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
A calculator for computing the impedance of a wire stripline.
Tools
Connecting digital circuitry to sensor devices is simple if the sensor…
Textbook
Note the “50 ohm” rating printed on the jacket of the cable. What…
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What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…
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Two relatively recent technologies designed to reduce the…
Textbook
Explain the operation of this “H-bridge” motor control circuit: At…
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Just like voltmeters, ammeters tend to influence the amount of current…
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If we take the equivalent circuit of an SCR and add another external…
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For a given amount of water pressure, which will flow a greater rate…
Worksheets - Motor Control
For ease of drawing complex circuit diagrams, electronic amplifiers…
Textbook
This tool helps calculate the impedance of an edge-coupled microstrip.
Tools
Three-Phase Alternator Let’s take the three-phase alternator…
Textbook
When inductors are connected in series, the total inductance is the…
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Single phase power system schematic diagram shows little about the…
Textbook
As we saw in a few SPICE analyses earlier in this chapter, the output…
Textbook
Both soldering irons and soldering guns are tools used in the process…
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As a first example of useful combinational logic, let’s build a…
Textbook
In this electrical circuit, trace the direction of current through the…
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Although transistor switching circuits operate without bias, it is…
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A peak detector is a series connection of a diode and a…
Textbook
“The nice thing about standards is that there are so many of…
Textbook
This calculator computes the inductance of a wire coil.
Tools
Determine what the magnitude and polarity of the voltmeter’s…
Worksheets - Motor Control
The SPICE (Simulation Program, Integrated Circuit Emphesis)…
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Capacitors do not have a stable “resistance” as conductors…
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One method of addressing the digital ramp ADC’s shortcomings is…
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In electric circuits, the three basic quantities are voltage (E or V),…
Worksheets - Motor Control
Specific resistance at 20o C: Material Element/Alloy ohm-cmil/ft…
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Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
Textbook
In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure resistance using the ohmmeter function.
Textbook
An often neglected area of study in modern electronics is that of…
Textbook
When the need arises to correct for poor power factor in an AC power…
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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Worksheets - Motor Control
The normal data inputs to a flip flop (D, S and R, or J and K) are…
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Shown here is the schematic symbol for a resistor: What is the purpose…
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Sometimes it is necessary to determine the length of time that a…
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Using an electrical meter safely and efficiently is perhaps the most…
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Definition of a Logarithm “log” denotes a…
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