Configuration of integrated energy system according to probabilistic information
2011
Annuk, A., Estonian Univ. of Life Sciences, Tartu (Estonia) | Tamm, T., Estonian Univ. of Life Sciences, Tartu (Estonia) | Hoim, T., Estonian Univ. of Life Sciences, Tartu (Estonia) | Katsigiannis, Y.A., Technological Educational Inst. of Crete (Greece) | Palge, V., Estonian Univ. of Life Sciences, Tartu (Estonia)
The current article analyzes a system consisting of a small wind generator and PV panels with an electricity and heat storage system. We presume that the wind generator and the PV panels work jointly in autonomous mode. Systems of the given configuration are used mainly in remote sites or islands, where it is not economically reasonable to establish an electrical grid. The existing wind generator systems are mostly overdimensioned to provide maximum energy supply reliability, hence their high cost as a rule. Wind and solar conditions are unique for any certain area. Nowadays it is possible to get climate data for a longer period due to which it is possible to rely on an analysis of real conditions. The longer the data row, the more true results it is possible to achieve. If 100 % reliability is aimed at, it will be necessary to guarantee certain capacity of electrical storage. Compromises in reliability might result in a decrease in electrical storage capacity, which will make the system cheaper. In our paper we have not targeted at an economic analysis; however, we will present a methodology for sizing and optimizing the components of a wind-PV energy system according to certain climate conditions.
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