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Gas Turbine Inlet Air Fogging on Two SW 501FD2 GTs

A Southwestern US Power Station installed MeeFog Systems on two SW 501FD2 gas turbines. Each system provides wet compression (2% of air mass flow) and produces a 22 MW power boost. The GT controls were modified so when wet compression is in operation the GT switches to a “wet-control curve.” This ensures a constant firing temperature is maintained, so the maximum wet compression power boost is obtained, and CO emissions stay within permitted limits.

Project Conditions:

  • Elevation: 2842 feet above sea level
  • Model: SW 501FD2 Gas Turbine
  • Max Power Boost: 22 MW
  • Mee’s Scope of Work: supply of fog pump skid, nozzle manifolds, and supervision of installation and
    commissioning.

 

Fog Skid Design:

  •  Fogging Stages: 16
  • Operating Pressure: 2,000 psi
  • Fog Droplet Size: 8 microns SMD
  • MeeFog™ Nozzle Count: 3,072
  • Nozzle Flow Rate: 0.045 gpm per nozzle
  • Max. Water Flow: 138 gpm
  • Max. Power Requirement: 240 HP

 

Learn More About Meefog Systems

Read about the benefits of Meefog’s Fog Cooling System from previous successful installations:

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