Resolving Single Mixed Refrigerant Compressor Control Challenges

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In this whitepaper, discover the issues that can arise with typical piping design and how to resolve those issues.

Explore the following:

Compressor control system and typical layout
Control challenges from piping design and from performance curves shape
Solutions to the control challenges.

Excerpt: Many small-scale LNG plants (capacities between 50,000 and 500,000 gallons per day or gpd) utilize the two-stage single mixed-refrigerant compressor (SMR) or the nitrogen expander technology.

The vast majority of such compressors are driven by a variable-speed gas turbine driver and comprise two stages of compression.

This paper considers the piping layout of the typical SMR compressor so that it is compatible with good antisurge control requirements.

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See How You Can Re-Design the Piping Layout to Resolve Control Challenges.

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