The term “grid” refers to the conductors and equipment interconnecting power sources to power…
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Those familiar with industrial instrumentation will find much within the electric power industry remarkably…
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Perhaps the most basic and necessary protective relay function is overcurrent: commanding a circuit breaker to…
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There is much to be said for neatness of assembly in electrical signal wiring. Even though the electrons…
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DC electric current signals may also be used to communicate process measurement information from transmitters…
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Regulating the electric power sent to an electric motor is a task performed by high-speed switching…
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The electrical conductivity of liquids is an important analytical measurement in many industrial processes.…
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Although it seems each model of PLC has its own idiosyncratic standard for programming, there does exist an…
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A bridge circuit is basically a pair of voltage dividers where the circuit output is taken as the difference…
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Two extremely important principles in electric circuits were codified by Gustav Robert Kirchhoff in the year…
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Learning PLC programming is a very important skill. If your job involves programming, then you will likely…
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Certain types of nuclear radiation easily penetrates the walls of industrial vessels, but is attenuated by…
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Shown here is a partial listing of principles applied in the subject matter of this chapter, given for the…
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A variety of problem-solving techniques have been presented for students over the years which are all helpful…
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Fluid pressure exerts force on any surface area it contacts, as described by the formula \(F = PA\). One…
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An electromechanical relay is an electrical switch actuated by an electromagnet coil. As switching devices,…
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Volumes could be written about poor diagnostic technique. The following mistakes are not intended to comprise…
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In contrast to quantitative tuning procedures where definite numerical values for P, I, and D controller…
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A laser is a light source emitting waves of light that not only share the exact same frequency (color)…
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So far we have just looked at instruments that sense, control, and influence process variables. Transmitters,…
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