Multi-criteria thermodynamic analysis of pumped-thermal electricity storage with thermal integration and application in electric peak shaving of coal-fired power plant

•A heat pump – organic Rankine cycle (HP-ORC) based storage system integrated with waste heat is investigated.•Based on the results of multi-objective optimization, the roundtrip and exergy efficiencies can reach 0.97 and 0.64.•Exemplary combination of ORC based PTES with a coal-fired power plant fo...

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Veröffentlicht in:	Energy conversion and management 2022-04, Vol.258, p.115502, Article 115502
Hauptverfasser:	Xue, X.J., Zhao, Y., Zhao, C.Y.
Format:	Artikel
Sprache:	eng
Schlagworte:	Coal Coal-fired power plants Efficiency Electric energy storage Electric power generation Electricity Energy sources Energy storage Exergy Exergy loss Heat Heat exchangers Heat pumps Heat recovery Latent heat Multi-objective optimization Multiple criterion Optimization Organic Rankine cycle Power plants Pumped-thermal electricity storage Rankine cycle Renewable energy sources Storage systems Thermodynamic analysis Thermodynamics
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