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Energies 2016, 9(6), 474; doi:10.3390/en9060474

Integrated Combined Heat and Power System Dispatch Considering Electrical and Thermal Energy Storage

School of Electrical Engineering, Wuhan University, Wuhan 430072, China
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Academic Editor: Brian Agnew
Received: 5 April 2016 / Revised: 28 May 2016 / Accepted: 8 June 2016 / Published: 20 June 2016
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Abstract

Wind power has achieved great development in Northern China, but abundant wind power is dissipated, rather than utilized, due to inflexible electricity production of combined heat and power (CHP) units. In this paper, an integrated CHP system consisting of CHP units, wind power plants, and condensing power plants is investigated to decouple the power and heat production on both the power supply side and heat supply side, by incorporating electrical energy storage (EES) and thermal energy storage (TES). Then the integrated CHP system dispatch (ICHPSD) model is formulated to reach the target of reducing wind power curtailment and primary energy consumption. Finally, the feasibility and effectiveness of the proposed ICHPSD model are verified by the six-bus system, and the simulation results show that EES has a better effect on wind power integration than TES. The annual net benefits by incorporating EES and TES increase with increasing wind penetration, but they gradually approach saturation. Introducing both EES and TES can largely increase the amount of wind power integration and improve the operation efficiency of the system. View Full-Text
Keywords: combined heat and power; thermal energy storage; electrical energy storage; dispatch combined heat and power; thermal energy storage; electrical energy storage; dispatch
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Yuan, R.; Ye, J.; Lei, J.; Li, T. Integrated Combined Heat and Power System Dispatch Considering Electrical and Thermal Energy Storage. Energies 2016, 9, 474.

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