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Fast facts

Applicable turbine models:

LM2500 TM2500

Time to install

10 – 20+ days

Inspection type

Major

Benefits

What can upgrading do for you?

  • Triple annular configuration allows the combustor premix to operate over the entire power range, minimizing emissions at lower power.
  • DLE system does not require water injection to lower NOx emissions, eliminating the possible maintenance impact of water and enhancing thermal efficiency compared to water-injected systems.
  • No water or steam injection leads to increased plant operations savings.
  • NOx emissions are guaranteed not to exceed 25 ppm when using natural gas fuel at full load. They can be guaranteed down to 15 ppm on the LM2500/LM2500+ models.
  • CO emissions are guaranteed not to exceed 25 ppm on natural gas fuel and full load.

How we get you there

  • The DLE combustion system lowers combustor flame temperature by more precisely controlling the combustion process inside the turbine.
  • The lower flame temperatures reduce unburned hydrocarbon and NOx emissions.
  • DLE system contains a three-manifold fuel system with new electrically actuated DLE fuel metering valves, with onboard drivers replacing electro-hydraulic actuated SAC fuel valves.
  • New triple annular combustor configuration enables the combustor to burn fuel at a lower temperature over a larger cross-sectional area, achieving the same bulk gas temperature rise as the SAC system.
  • Gas fuel introduced through 75 air/gas pre-mixers packaged in 30 externally removable and replaceable modules, produces a very uniformly mixed, lean fuel/air mixture.
  • Optional upgrade to a new state-of-the-art control system can improve system flexibility, robustness, and more.
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Dry Low NOx (DLN) emissions upgrade for E-class turbines

Dry Low NOx combustion technology delivers industry-leading low emissions and flexibility.
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Contact us for a quote on our LM/TM2500 SAC to DLE upgrade.

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