The angular coordinate method allows to simplify the multi-level operation of the compressor to a one-dimensional visualization of the safe operating zone, presenting it as a direct comparison of the process variable with the set value, which is the most common and convenient practice for plant operators monitoring processes in the DCS.
A PID-based control strategy can manage surge margin by using feedforward signals from flow, pressure, or compressor speed fluctuations.
Process automation hall-of-fame member Greg McMillan made his book about centrifugal and axial compressor control freely available for download in PDF form.
Greg McMillan’s book, Centrifugal and Axial Compressor Control, delves into the complex control challenges associated with centrifugal and axial compressors, particularly in surge conditions. This is a unique opportunity to learn from a true industry leader.
In a Hydrocarbon Engineering article, Control Valve Selection for Ethylene Plants, Matthew Wagner describes how to choose the right combination of valve style, trim type, materials of construction, and digital positioners for critical valve application in an ethylene unit.
The owners of LNG regasification terminals are looking for ways to increase the operational efficiency of their assets while still ensuring that safety is never compromised. The application of a broad range of advanced digital technologies is helping them to meet this challenge and increase capacity at their plants.
In a Smart Industry article, Methods to implement hydrogen across the value chain, Emerson’s Loic Charbonneau shares solutions in hydrogen production, transportation and storage, distribution, and consumption.
Some of the most consistently popular posts here on the blog involve compressor anti-surge control. It's a condition in centrifugal and axial compressors where a flow reversal condition can occur. Wikipedia defines centrifugal compressor surge as: …the point at which...
In this 2:50 YouTube video, Optimized Anti Surge Control Simulator, Emerson’s Tom Bass and CCC’s Rick Fausel describe the Innovation Center simulator setup. The purpose is to show the control strategies working with the control valve to meet the application requirements for surge protection.
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