August 2013

Special Report: Fluid Flow and Rotating Equipment

Digital is the solution for modern compressor protection

Compared to traditional analog communications technologies, digital systems cost less, offer greater flexibility, and are more reliable thanks to built-in self-checking systems and resistance to interference.

Stachel, K., Locken, T., Hoerbiger Compression Technology

Real-time condition monitoring is a valuable tool for optimizing reciprocating compressor performance and reducing unplanned downtime. The ability to detect dangerous failures at an early stage and bring the compressor to a halt in just two or three revolutions has saved many machines from serious damage. For issues that develop more slowly, reliable monitoring avoids unnecessary work and allows maintenance to be carried out during planned shutdowns. A traditional compressor monitoring system uses analog connections to link sensors on the compressor to an electronic processing unit located in a safe area. Although many other areas of the plant will typically use digital communications, st

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