Control and condition monitoring of reciprocating compressors

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Overview:
Optimum configuration for control system, instrumentation, electrical and condition monitoring of reciprocating compressor is presented. Reciprocating compressors are the most flexible and most efficient compressors available. Recommendations regarding inter-stage pressure control, capacity control system, temperature control, performance monitoring, local control panel, irregularity and condition monitoring are discussed.

Installed reciprocating compressor horsepower is approximately three times greater than that of centrifugal compressors, and maintenance costs of reciprocating compressors are approximately 3.5 times greater than those for centrifugal compressors. The expected level of reliability and availability of reciprocating compressors is very high, and it presents a real challenge. Advanced methods of control and condition monitoring shall be applied in order to obtain the high level of performance, safety and reliability.