A rotating machinery engineer working for an engineering, procurement and construction (EPC) contractor in India is often involved in selecting reciprocating compressors for hydrocarbon processing plants.
A rotating machinery engineer working for an engineering, procurement and construction (EPC) contractor in India is often involved in selecting reciprocating compressors for hydrocarbon processing plants. We assume this engineer is also responding to compressor sizing and specification questions.
As time permits, we try to answer questions of interest to our worldwide readership; here is one such query. It relates to drive motor rating selection for a large reciprocating compressor, using the recommendations found in API Standard 618, 5th Edition. The engineer noted the recommendation for motor sizing as follows:
As per Clause 7.1.2.2: For motor-driven units, the motor rating, inclusiv
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