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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A pneumatic controller receives a process variable (PV) signal as a variable air pressure, compares that…
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A much simpler alternative to continuous vibration sensors (displacement or acceleration) and monitoring…
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Any power grid large enough to meet the demand of an entire nation must have multiple generators drawing from…
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In addition to Ohm’s Law, we have a set of rules describing how voltages, currents, and resistances…
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The following photograph shows a large air blower in a wastewater treatment facility equipped with a…
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Some self-powered (4-wire) analog electronic transmitters are designed to behave as electrical loads rather…
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Sensors used to measure vibration come in three basic types: displacement, velocity, and acceleration.…
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Finally, we arrive at the loop diagram (sometimes called a loop sheet) for the compressor surge control system…
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The three “elementary” particles of matter comprising all atoms are electrons, protons, and…
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Pipe is a hollow structure designed to provide an enclosed pathway for fluids to flow, usually manufactured…
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One very convenient feature of waves is that their properties are universal. Waves of water in the ocean,…
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A Safety Instrumented Function, or SIF, is one or more components designed to execute a specific…
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An important design parameter of a control valve is the position it will “fail” to if it loses…
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Many years ago, when I was first learning about electricity, I happened to discover a length of coaxial…
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The very purpose of physics is to quantitatively describe and explain the physical world in as few terms as…
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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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Electrical power grids primarily consist of three-phase AC circuits. This means most power lines (transmission…
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Process analyzers measure the concentration of specific substances for the purpose of measuring and/or…
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