Control & Protection of Compressors

Overview

The Sentinel for Compressors is a comprehensive solution designed to meet the protection and control requirements of centrifugal and axial compressors, both in stand-alone and networked configurations, combining specific safety requirements, high-speed control strategies, and sequencing of each train. compression, with the global requirements of machine integration, production strategies, monitoring facilities, information supervision and centralization.

CompressorSentinel consists of algorithms for anti-surge control (“Anti-surge”), Surge Detection (“Surge-detector”), load sharing (“Load sharing”) and capacity control (“Capacity control”).

The solution CompressorSentinel is based on current API, ANSI/ISA, and IEC standards, as well as the requirements of equipment manufacturers’ safety standards. Also, CompressorSentinel runs on commercial platforms of programmable logic controllers (PLCs) for control and sequencing, and on TÜV-certified programmable electronic systems (PES or safety PLC) that comply with IEC-61508 for process safety. The system architecture can be adjusted to meet the required Safety Integrity Level (SIL) and the availability of your process.

Specs

  • Designed to comply with API-670 and IEC 61508 / 61511 standards.
  • Available on the PLC platforms of all major manufacturers.
  • Open architecture that can be tuned to meet your required Safety Integrity Level (SIL) and your process availability, depending on the PLC platform used.
  • Availability of redundancy for safety and process control.
  • Configurable compressor map.
  • Wave detection due to sudden changes in flow and/or pressure.
  • Stone Wall condition detection.
  • Calculation of the operating point on the compressor map in invariant coordinates with the molecular weight of the gas.
  • Response speed in wave detection less than 40 mS (depends on the selected PLC platform).
  • Transmitter failure strategies (“Fall Back”) to minimize false stops.
  • Asymmetrical control to quickly open the recycle valve and close it slowly.
  • User-friendly HMI and configuration tool (“Toolbox”).

Brochure

CompressorSentinel

Application Note

Application Note

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