Explain the operation of this “H-bridge” motor control circuit: At…
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Stepper Motor vs Servo Motor A stepper motor is a…
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The interlock contacts installed in the previous section’s motor…
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Most AC motors are induction motors. Induction motors are favored due…
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Don’t just sit there! Build something!! Learning to mathematically…
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Most students of electricity begin their study with what is known as…
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Pulse Width Modulation (PWM) uses digital signals to control power…
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Just as devices have been made to measure certain physical quantities…
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At first it may seem pointless to have the four buffer gates following…
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Perhaps the most challenging aspect of interpreting ladder diagrams,…
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Solid-state switching circuits usually keep their constituent…
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A very useful tool for observing rotating objects is a strobe light.…
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How is it possible to electrically measure the torque output by a…
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A three-phase motor may be run from a single-phase power source.…
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Single Phase Synchronous Motors Single-phase synchronous motors are…
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If an electric current is passed through this wire, which direction…
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AC Motors Perhaps the most important benefit of polyphase AC power…
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After the introduction of the DC electrical distribution system by…
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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.
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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.
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The armature windings of your DC motor will have very low resistance.…
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Perhaps the most challenging aspect of interpreting ladder diagrams,…
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If the ends of a wire loop are attached to two half-circular metal…
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Shaded Pole Induction Motor An easy way to provide starting torque to…
Textbook
At first it may seem pointless to have the four buffer gates following…
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It is sometimes said regarding electrical safety that, Ït’s not the…
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Calculate the voltage output by the secondary winding of a transformer…
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A calculator for computing several parameters needed in the design of a flyback switch mode regulator
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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.
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Don’t just sit there! Build something!! Learning to mathematically…
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A chandelier has five light bulbs in it, and one of them is not…
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Brushless DC motors were developed from conventional brushed DC motors…
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Just as devices have been made to measure certain physical quantities…
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Normally, the rotor windings of a wound rotor induction motor are…
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Don’t just sit there! Build something!! Learning to analyze digital…
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The variable reluctance motor is based on the principle that an…
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Note the “50 ohm” rating printed on the jacket of the cable. What…
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This is a schematic for a simple VCO: The oscillator is of the RC…
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A calculator for computing the gain and output voltage of an operational amplifier
Tools
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
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The most straightforward DC network analysis technique is the branch…
Textbook
Read the following quotation, and then research the term…
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What is Split-Phase Power Systems? Split-phase power systems achieve…
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Boolean algebra finds its most practical use in the simplification of…
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The first, and perhaps most important, relationship between current,…
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OK, so how exactly can we represent AC quantities of voltage or…
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<p> Contributors to this chapter are listed in chronological…
Textbook
Convert between Celsius, Fahrenheit and Kelvin
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What would happen to this meter movement, if connected directly to a…
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Another variation on a theme of bistable multivibrators is the J-K…
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Normally, the rotor windings of a wound rotor induction motor are…
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A common phrase heard in reference to electrical safety goes something…
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A calculator for computing the impedance of a wire stripline.
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Contributors to this chapter are listed in chronological order of…
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For bipolar junction transistors, the fundamental measure of…
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Let’s connect three AC voltage sources in series and use complex…
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