ADVANCED COMPRESSOR ENGINE CONTROLS TO ENHANCE OPERATION, RELIABILITY AND INTEGRITY

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This document provides a mid-term update for the ''Advanced Compressor Engine Controls to Enhance Operation, Reliability, and Integrity'' project. SwRI is conducting this project for DOE in conjunction with Cooper Energy Services, under DOE contract number DE-FC26-03NT41859. The objective of this one-year project is to develop, evaluate, and demonstrate advanced engine control technologies and hardware, specifically, closed-loop NO{sub x} emissions control on a two-stroke integral reciprocating engine/compressor used for pipeline gas transmission service. This work uses a Cooper-Bessemer GMVH-6 laboratory engine owned by Cooper Energy Services (CES) and installed in a test facility at Southwest Research Institute (SwRI). The gas ... continued below

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42 pages

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Bourn, Gary D. April 1, 2004.

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Description

This document provides a mid-term update for the ''Advanced Compressor Engine Controls to Enhance Operation, Reliability, and Integrity'' project. SwRI is conducting this project for DOE in conjunction with Cooper Energy Services, under DOE contract number DE-FC26-03NT41859. The objective of this one-year project is to develop, evaluate, and demonstrate advanced engine control technologies and hardware, specifically, closed-loop NO{sub x} emissions control on a two-stroke integral reciprocating engine/compressor used for pipeline gas transmission service. This work uses a Cooper-Bessemer GMVH-6 laboratory engine owned by Cooper Energy Services (CES) and installed in a test facility at Southwest Research Institute (SwRI). The gas transmission industry operates over 4,000 integral engine compressors, the majority being two-stroke, with a median age of 45 years and a median size of 2000 horsepower. These engines have historically exhibited poor performance and high emissions, due in part to poor engine control. The end results are misfires and partial burns that lead to increased fuel usage and exhaust emissions. Many of the slow-speed integral engines in the gas compression industry utilize control systems that are outdated, slow, and suffer from poor resolution. Research into more advanced control systems for integral compressor engines has increased tremendously in recent years. The recent advancements in control logic are being reviewed and analyzed in this program to understand the effectiveness of each. In addition, the application of a real-time NO{sub x} sensor feedback for closed-loop control is being investigated. To date, the strategies involving fuel/air equivalence ratio for a NO{sub x} prediction algorithm have been reviewed and analyzed. A hierarchy of control strategies will be outlined at the conclusion of this program. This hierarchy will range from the simplest and least expensive closed-loop control to an advanced system utilizing individual cylinder control. The ultimate control strategy is thought to be one that integrates both compressor and engine control, with the engine control based on individual power cylinders. The hierarchy of engine control may be desirable for the variety of engines in various locations that are subject to varying regulated levels of NO{sub x} emissions. The engines in non-attainment areas will require the maximum level of complexity in engine controls.

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42 pages

Notes

OSTI as DE00825591

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  • Other Information: PBD: 1 Apr 2004

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  • Report No.: NONE
  • Grant Number: FC26-03NT41859
  • DOI: 10.2172/825591 | External Link
  • Office of Scientific & Technical Information Report Number: 825591
  • Archival Resource Key: ark:/67531/metadc779234

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • April 1, 2004

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • Dec. 16, 2016, 4:31 p.m.

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Bourn, Gary D. ADVANCED COMPRESSOR ENGINE CONTROLS TO ENHANCE OPERATION, RELIABILITY AND INTEGRITY, report, April 1, 2004; United States. (digital.library.unt.edu/ark:/67531/metadc779234/: accessed July 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.