MeeFog Boosts Power Output by 15% at Sahara Power Station | APR Energy Case Study
Case Study: How MeeFog improved gas turbine cooling efficiency in extreme heat for General Electric Company of......
Two GE 6561B Gas Turbines Achieve 8.6 MW Boost Saraburi, Thailand
Gas Turbine Inlet Air Cooling
A Thai Cogeneration Company installed MeeFog™ Systems on two GE 6561B gas turbines. Each system provides evaporative cooling and wet compression and produces a 4.3 MW power boost. This results in a 8.6 MW total power boost for the plant. Wet compression consists of spraying water into the gas turbine compressor. The water evaporates inside the compressor. This inter-cooling effect reduces the work of compression, which causes an increase in power output.
Project Conditions:
Location: Saraburi, Thailand
Hot day conditions: 38° with 29° C wet bulb
Elevation: Sea level
Max power boost per GT: 4.3 MW
Mee’s scope of work: Supply of fog pump skids, nozzle manifolds, and supervision of installation and commissioning
Fog System Design:
Evaporative cooling and 0.6% (of the air mass flow) as wet compression
Fogging stages: 7
Operating pressure: 2,000 psi
Fog droplet size: 12 microns
Nozzle flow rate: 0.17 lpm per nozzle
MeeFog nozzle count: 532
Max pumping power requirement: 40 HP
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