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First 7FA.05 Gas Turbines go Commercial at Xcel Cherokee
Two new 2 × 1 combined cycles with the latest 7FA.05 gas turbine technology from GE came on line at Xcel Energy’s 569-MW unit at the existing Cherokee Generating Station in Denver in August. Commissioning came just three months after first fire in May, which is significant because of the summer peaking period and the location of Cherokee and its importance to the Denver grid.
Revision Date: 11/16/2015
Tags: 221112 - Fossil Fuel 化石燃料, Xcel Energy, Gas Turbine, Combined Cycle Journal, USA
EPRI’s Guideline on Chemistry for Fossil Units with Air-cooled Condensers (ACCs)
This paper provides the results of the first worldwide survey of a number of fossil and combined cycle/HRSG plants with air-cooled condensers (ACCs). It includes documentation of the surface condition of the duct surfaces, defining serious corrosion/flow accelerated corrosion regions and guidelines for operating plants with ACCs.
Revision Date: 9/8/2014
Tags: 221112 - Fossil Fuel 化石燃料, Structural Integrity Associates, Xcel Energy, EPRI, Air Cooled Condenser, Cycle Chemistry, Corrosion, Dry Cooling
Are there CO2 considerations with various dry cooling and hybrid options? Andy Howell summarized the situation by stating that while ACC reduces water use it increases energy consumption, reduces plant output, and increases CO2 emissions.
Revision Date: 6/5/2014
Tags: 221112 - Fossil Fuel 化石燃料, Xcel Energy, Cooling Tower, Air Cooled Condenser, CO2, Wet Cooling, Dry Cooling
Dry vs. Wet Cooling Webinar - Hot Topic Hour June 5, 2014
The webinar covered many issues relative to cooling condensed steam in power plants. It was conducted in a discussion mode with a few presentations.
Revision Date: 6/5/2014
Tags: 221112 - Fossil Fuel 化石燃料, AECOM, Harfst and Associates, EPRI, Xcel Energy, Air Cooled Condenser, Cooling Tower, CO2, Wet Cooling, Dry Cooling
Air Cooled Condensers and CO2 Emissions
Designs to use limited water quantities in the hottest weather to achieve better condenser vacuum can reduce CO2 emissions.
Revision Date: 6/4/2014
Tags: Xcel Energy, Air Cooled Condenser, CO2, Dry Cooling