Assessment of energy efficiency measures on household appliances

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Dr. Divényi Dániel Péter
Department of Electric Power Engineering

The household sector use for one third of the domestic electricity consumption. The improvement of energy efficiency is a priority area nowadays, thanks it more energy-efficient household appliances are appearing. To facilitate innovation the European Union has set itself a 20% energy savings target by 2020. The EU has adopted a number of measures to improve energy efficiency in Europe. One of them is the minimum energy efficiency standards and labelling for a variety of household products.

The targets for 2030 prescribes at least 27% energy savings for the state members, such as Hungary. Therefore in the immediate future the introduction of additional energy efficiency measures expected. For this reason it is necessary to prepare a comprehensive model that is able to estimate the change of the domestic households' power consumption in the light of the above trend.

The objective of my thesis is to introduce the European Union’s energy efficiency directive, analyze the national plans and examine electricity load profile of household consumers, considering use of energy-efficient appliances. To do this, I continue to improve the electric load profile model of the Hungarian households that is able to segment the total profile by differentiating each type of end-user appliances. The model is available at the university department. In addition I investigate the change in national electricity system power requirements, effect of using energy saving appliances onto the domestic electric energy consumption, and household energy savings and payback time.


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