期刊
APPLIED ENERGY
卷 190, 期 -, 页码 1126-1137出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2017.01.030
关键词
Demand response; Residential hybrid energy system; Wind power fluctuations; Micro-CHP; Economic dispatch
资金
- National Key Research and Development Program of China [2016YFB0900105]
- National Natural Science Foundation of China [51477122]
As the installed capacity of wind power is growing, the stochastic variability of wind power leads to the mismatch of demand and generated power. Employing the regulating capability of demand to improve the utilization of wind power has become a new research direction. Meanwhile, the micro combined heat and power (micro-CHP) allows residential consumers to choose whether generating electricity by themselves or purchasing from the utility company, which forms a residential hybrid energy system. However, the impact of the demand response with hybrid energy system contained micro-CHP on the large-scale wind power utilization has not been analyzed quantitatively. This paper proposes an operation optimization model of the residential hybrid energy system based on price response, integrating micro-CHP and smart appliances intelligently. Moreover, a novel load aggregation method is adopted to centralize scattered response capability of residential load. At the power grid level, a day-ahead stochastic economic dispatch model considering demand response and wind power is constructed. Furthermore, simulation is conducted respectively on the modified 6-bus system and IEEE 118-bus system. The results show that with the method proposed, the wind power curtailment of the system decreases by 78% in 6-bus system. In the meantime, the energy costs of residential consumers and the operating costs of the power system reduced by 10.7% and 11.7% in 118-bus system, respectively. (C) 2017 Elsevier Ltd. All rights reserved.
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