Evaluation of domestic electrical demand and its effect on low voltage network performance

Samir Karmacharya, Ghanim Putrus, Chris Underwood, Khamid Mahkamov

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Abstract

Electrical demand in a house depends on various factors mainly being the user’s behaviour and the rating of the appliances. Some researchers have used daily domestic electrical demand profile at half hour time resolution for the energy management. When data of half hour time interval is used for the analysis of on-site generation, it can lead to over/under -estimates of the proportion of generated energy used on site. As a consequence, this could lead to over/under-estimating in the import and export of power from and to the power grid. In this paper, domestic electricity use profile recorded at high time resolution of one minute is used to analyse the profile obtained at different time resolution and its effect on on-site generation. Daily load profile for summer and winter at time resolution of 30 minute is generated from a data set of 22 houses consisting data of a whole year which is then compared with the daily load curve obtained after diversity maximum demand from the literature. The generated daily load profile is then used to see effect on the low voltage network. For the analysis on the low voltage network, a typical UK low voltage network is developed in the Matlab/Simulink software
Original languageEnglish
Publication statusPublished - 2012
Event47th Universities' Power Engineering Conference (UPEC 2012) - Brunel University, London, UK
Duration: 1 Jan 2012 → …

Conference

Conference47th Universities' Power Engineering Conference (UPEC 2012)
Period1/01/12 → …

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