docQSL9G TA - Gas/Electric Partnership
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QSL9G TA - Gas/Electric Partnership
QSL9G TA Gas / Electric Partnership Conference February 2010 Rusty Downey Gas Compression Segment Leader Introducing the QSL9G 175 hp @ 1800 rpm Rich Burn w/ 3 way Catalyst Exceeds 2011 NSPS 0.5 gr/hp hr NOx 2 Cummins Confidential QSL9G Heritage QSL9 Diesel GTA8.3SLB Stroked 8.3 QSL9G G8.3E 3 Cummins Confidential GTA855E What’s New with the QSL9G High temperature exhaust valves with rotators New gallery cooled piston 4 Cummins Confidential What’s New with the QSL9G New head gasket for improved coolant flow and balance High flow water pump Water cooled exhaust manifold Increased oil cooler capacity High volume oil pump 5 Cummins Confidential Computer Aided Engineering to balance coolant flow What’s NOT New with the QSL9G Exhaust Gas Whole-System approach to emissions 2 Catalyst Fuel Inlet NG Engine – Dithering strategy – Inner & Outer Loop Control Strategy 6 Cummins Confidential System Emissions 3 4 1 AFR Control Algorithm Silencer Gas Compressor Cooler Scrubber Ignition System Engine Controls HUEGO Sensors Temp, Pressure Speed Sensors Inlet Scrubber Well To Processing Plant or Gathering Hub What’s NOT New with the QSL9G KTA38GCE Cummins PCIM Ignition Cummins CM558 KTA19GCE G/GTA855E Cummins AFR 635 – 760 hp QSL9G G8.3E 265 – 380 hp G5.9 E 188 – 256 hp 175 hp 118 hp 84 hp Electronic Integral Throttle Body Cummins Electronic Display Factory-matched catalyst 7 Cummins Confidential Flow model on QSL9G catalyst 8 Cummins Confidential Catalyst Field Test G8.3E 8000 hours Objectives: – Reliability & durability – Catalyst conversion efficiency over time – Temperature dependency – Effective area – Loading / masking – Cumulative effects – Catalyst reactivation 9 Cummins Confidential Develop a system that is compliant 100% of the time Know Your Catalyst ……. Intimately Core Samples 10 Cummins Confidential Test Results GMRC Oct 2009 Catalyst Effective Area 110.00 100.00 2 SSA (m /g) 90.00 80.00 70.00 SSA Linear (SSA) 60.00 50.00 0 1000 2000 3000 4000 5000 6000 7000 Hours Conversion Efficiency at 450C & 93.8K/hr 100 90 80 Conversion (%) 70 60 50 40 30 CO NOx Min req'd to meet EPA NOx Limit Min req'd to meet EPA CO Limit THC 20 10 0 0 1000 2000 3000 4000 Hours 11 Cummins Confidential 5000 6000 7000 8000 8000 Questions? 12 Cummins Confidential
