Industry-Leading Operational Flexibility for Increased Dispatch
and Ancillary Revenue • Peaking start capability offers a 10 minute ramp-up from start command to gas turbine full load.
• 50 MW/minute ramping capability is realized within emissions compliance.
• Reaches turndown as low as 25 percent of gas turbine baseload output within emissions compliance.
• Fuel flexible accommodates gas and liquid fuels with wide gas variability, including high ethane (shale) gas and liquefied natural gas.
Simpler H-Class Offering
• Features a less complex configuration than GE’s previous H-class units, and one that does not require cooled air.
• An air-cooled generator is now available for simplified installation and maintainability.
• Modular systems ease installation with 10,000 fewer man-hours than GE’s 7F.03 gas turbine.
• Maintenance is streamlined with a quick- removal turbine roof, field-replaceable blades, and 100 percent borescope inspection coverage for all blades.
• Simplified dual fuel system uses less water, eliminates recirculation, and utilizes enhanced liquid purge for improved reliability and dependability.
Full-Load Validation
• The 2016 testing of 7HA technology in GE’s full-speed, full-load test facility in Greenville, SC, reinforces the impressive performance and robust capabilities of these units.
• The test stand enables validation of the 7HA gas turbine over an operating envelope larger than the variances an entire fleet of turbines would experience in the field, an approach already proven on the 9HA turbine, superior to operating a field prototype for 8,000 hours.
SC Net Output (MW)
SC Net Heat Rate (Btu/kWh, LHV) SC Net Heat Rate (kJ/kWh, LHV) SC Net Efficiency (%, LHV) Exhaust Temperature (°F) Exhaust Temperature (°C) Exhaust Energy (MM Btu/hr) Exhaust Energy (MM kJ/hr)
GT Turndown Minimum Load (%) GT Ramp Rate (MW/min)
NOx (ppmvd) at baseload (@15% O2) CO (ppm) at Min. Turndown w/o Abatement
Wobbe Variation (%)
Startup Time (Conventional/Peaking, Minutes) CC Net Output (MW)
CC Net Heat Rate (Btu/kWh, LHV) CC Net Heat Rate (kJ/kWh, LHV) CC Net Efficiency (%, LHV)
Plant Turndown – Minimum Load (%) Ramp Rate (MW/min)
Startup Time (RR Hot, Minutes) CC Net Output (MW)
CC Net Heat Rate (Btu/kWh, LHV) CC Net Heat Rate (kJ/kWh, LHV) CC Net Efficiency (%, LHV)
Plant Turndown – Minimum Load (%) Ramp Rate (MW/min)
Startup Time (RR Hot, Minutes)
7HA.01 280
8,180 8,630 41.7% 1,159 626
1,338 1,412 25% 50 25 9
+/-10% 21/10 419
5,520 5,824 61.8% 33.0% 50
<30 842
5,500 5,803 62.0% 16.0% 100 <30
7HA.02 346
8,080 8,525 42.2% 1,153 623
1,617 1,705 30% 50 25 9
+/-10% 21/10 509
5,500 5,803 62.0% 38.0% 50
<30
1,021 5,480 5,782 62.3% 18.0% 100 <30
This is an exciting time for our 7HA products, as the first unit left the factory and was installed in our full-speed, full-load test facility in Greenville, SC. The 7HA units have followed the “footsteps” of the 9HA, undergoing extensive validation, and the first commercial 7HA units are shipping to our launch customer, Chubu Electric in Japan.
2x CC Plant Performance
1x CC Plant Performance
Gas Turbine Parameters
Performance SC Plant
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