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An Integrated Solar Combined Cycle (ISCC) is a hybrid technology in which a solar thermal field is integrated within a combined cycle plant. In ISCC plants, solar energy is used as an auxiliary heat supply, supporting the steam cycle, which results in increased generation capacity or a reduction of fossil fuel use.
Cogeneration or combined heat and power (CHP) is the use of a heat engine [1] or power station to generate electricity and useful heat at the same time. Cogeneration is a more efficient use of fuel or heat, because otherwise-wasted heat from electricity generation is put to some productive use.
Large (land-based) electric powerplants built using this combined cycle can reach conversion efficiencies of over 60%. [ 1 ] If the turbines do not drive a propeller shaft directly and instead a turbo-electric transmission is used, the system is known as COGES (combined gas turbine-electric and steam).
The German Navy launched the first Köln-class frigate in 1961 with 2 Brown, Boveri & Cie gas turbines in the world's first combined diesel and gas propulsion system. The Soviet Navy commissioned in 1962 the first of 25 Kashin-class destroyer with 4 gas turbines in combined gas and gas propulsion system. Those vessels used 4 M8E gas turbines ...
Load-following power plants can be hydroelectric power plants, diesel and gas engine power plants, combined cycle gas turbine power plants and steam turbine power plants that run on natural gas or heavy fuel oil, although heavy fuel oil plants make up a very small portion of the energy mix. A relatively efficient model of gas turbine that runs ...
Through cogeneration (combined cycle gas turbines or stationary fuel cells), electrofuels can be reconverted into electricy with the opportunity to use waste heat for the heating of buildings, [23] combining the advantage of efficient renewable energy generation in favorable regions with the advantage of efficient energy use in the demand ...
The Directive on the promotion of cogeneration based on a useful heat demand in the internal energy market and amending Directive 92/42/EEC, [1] officially Directive 2004/8/EC, is a European Union directive for promoting the use of cogeneration, popularly better known as the 'Combined Heat and Power (CHP) Directive'.
With proper material selection, an OTSG can be run dry, meaning the hot exhaust gases can pass over the tubes with no water flowing inside the tubes. This eliminates the need for a bypass stack and exhaust gas diverter system which is required to operate a combustion turbine with a drum-type HRSG out of service.