4.7 Article

Demand response through decentralized optimization in residential areas with wind and photovoltaics

期刊

ENERGY
卷 223, 期 -, 页码 -

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2021.119984

关键词

Demand response; Decentralized optimization; Smart grid; Wind and PV integration; Electric heating; Electric vehicles

资金

  1. German Research Foundation (DFG) [2153]

向作者/读者索取更多资源

A paradigm shift is necessary in future energy systems with high shares of renewable energy sources. This paper introduces a novel privacy-preserving decentralized optimization approach to exploit load flexibility in residential areas. Results show the dependency of optimal wind profile assignment method on the decentralized optimization approach used.
A paradigm shift has to be realized in future energy systems with high shares of renewable energy sources. The electrical demand has to react to the fluctuating electricity generation of renewables. To this end, flexible electrical loads like electric heating devices and electric vehicles are necessary in combination with optimization approaches. In this paper, we develop a novel privacy-preserving approach for decentralized optimization to exploit load flexibility in residential areas. This approach, which is based on a set of schedules, is referred to as SEPACO-IDA. Compared to the approaches from the literature for decentralized optimization, SEPACO-IDA leads to improvements of between 0.8% and 13.3% regarding the surplus energy and the peak load. Furthermore, this paper illustrates the suboptimal results for uncoordinated decentralized optimization and thus the need for coordination approaches. Another contribution of this paper is the development and evaluation of two methods for distributing a central wind power profile to the local optimization problem of different buildings in a residential area (Equal Distribution and Score-Rank-Proportional Distribution). These wind profile assignment methods are combined with different decentralized optimization approaches. The results reveal the dependency of the best wind profile assignment method on the used decentralized optimization approach. (c) 2021 Elsevier Ltd. All rights reserved.

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