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Intelligent energy management using CBR: Brazilian residential consumption scenario | IEEE Conference Publication | IEEE Xplore
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Intelligent energy management using CBR: Brazilian residential consumption scenario


Abstract:

This paper proposes a novel case-based reasoning (CBR) approach to support the intelligent management of energy resources in a residential context. The proposed approach ...Show More

Abstract:

This paper proposes a novel case-based reasoning (CBR) approach to support the intelligent management of energy resources in a residential context. The proposed approach analyzes previous cases of consumption reduction in houses, and determines the amount that should be reduced in each moment and in each context, in order to meet the users' needs in terms of comfort while minimizing the energy bill. The actual energy resources management is executed using the SCADA House Intelligent Management (SHIM) system, which schedules the use of the different resources, taking into account the suggested reduction amount. A case study is presented, using data from Brazilian consumers. Several scenarios are considered, representing different combinations concerning the type of house/inhabitants, the season, the type of used energy tariff, the use of Photovoltaic system (PV) generation, and the maximum amount of allowed reduction. Results show that the proposed CBR approach is able to suggest appropriate amounts of energy reduction, which result in significant reductions of the energy bill, while, with the use of SHIM, minimizing the reduction of users' comfort.
Date of Conference: 06-09 December 2016
Date Added to IEEE Xplore: 13 February 2017
ISBN Information:
Conference Location: Athens, Greece

I. Introduction

The world has increased the consumption of energy and in particular, the consumption of electricity. For example, the European reports in 2010 mentioned the increase of global consumption in EU-27 and the domestic consumers represent about 29.70% of the total electricity [1]. On the other hand, the domestic consumers of the United States are responsible for 22.00% of electricity consumption for the year 2011 [2]. Lastly, a study in 2012 about electricity consumption in Brazil shows the domestic consumers responsible for 24.92% of total electricity consumption [3]. Brazil being a country with special conditions, namely, the large territorial extension and the climate differences, the electricity consumption depends directly on the Brazilian regions. Summarized in three regions, the highest percentage of consumption in northern region is for Heating, Ventilating and Air Conditioning (HVAC) and cold domestic equipments. In central-west region, the electric shower is the load with highest impact, the second load is the cold equipment and the third is the HVAC systems. Finally, in the Southern Region, which is discussed in this paper, the highest load consumption is the HVAC systems, followed by electric shower and cold domestic equipment [3].

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