Given the possible harm to the equipment, a special surge prevention algorithm is required to efficiently protect the compressor. The controller response time also must be higher than for majority of other control loops. The Emerson DeltaV PK controller is a good example of fast-acting controller for compressor antisurge control.
Centrifugal and axial compressors are at the heart of many production processes. Effective compressor automation and turbomachinery control not only impacts efficiency, but also safety, reliability, production throughput and energy usage. A complete turbomachinery control system consists of measurement devices, high speed controllers, control valves, guide vane drives, turbine governors and more.
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