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

Rongxiang Yuan, Jun Ye, Jiazhi Lei and Timing Li
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Rongxiang Yuan: School of Electrical Engineering, Wuhan University, Wuhan 430072, China
Jun Ye: School of Electrical Engineering, Wuhan University, Wuhan 430072, China
Jiazhi Lei: School of Electrical Engineering, Wuhan University, Wuhan 430072, China
Timing Li: School of Electrical Engineering, Wuhan University, Wuhan 430072, China

Energies, 2016, vol. 9, issue 6, 1-17

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.

Keywords: combined heat and power; thermal energy storage; electrical energy storage; dispatch (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (58)

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