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polygeneration

Synonyms: trigeneration

reegle definition:

Polygeneration is an integrated process with three or more energy outputs.

Wikipedia definition:

Renewable energy Biofuel Biomass Geothermal Hydroelectricity Solar energy Tidal power Wave power Wind power Topics by country vte Trigeneration or CCHP (combined cooling, heat and power) refers to the simultaneous generation of electricity and useful heating and cooling from the combustion of a fuel or a solar heat collector. The supply of high-temperature heat first drives a gas or steam turbine powered generator and the resulting low-temperature waste heat is then used for water or space heating as described in cogeneration. Trigeneration differs from cogeneration in that the waste heat is used for both heating and cooling, typically in an absorption chiller. CCHP systems can attain higher overall efficiencies than cogeneration or traditional power plants. A modern American acronym is BCHP, Building Cooling, Heating and Power, for trigeneration applications in buildings. Heating and cooling output may operate concurrently or alternately depending on need and system construction.

Source: dbpedia

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