Energy passivation of a building. The ICSTM building case study

Abstract

The renewable energy sources are becoming more and more current in the energy supply of buildings, from residential buildings to institutional buildings. The renewable energy sources have proved to be a solution and an important element of the Romanian Energy System. We are starting from the idea of using the renewable sources to passivize a building, and we are relying on existing facilities in the Multidisciplinary Scientific and Technological Research Institute (ICSTM) from Valahia University of Targoviste (UVT) to produce the energy from its own sources. We are also considering the consumption data from previous year as well as the electric link to external power grid. This paper aims to propose new renewable energy units so that ICSTM become energetical independent. Currently, the ICSTM building consumes an amount of energy produced from renewable sources about three times less than that consumed from the external network. In order to determine the number of equipment, specifically CPV (concentrating photovoltaic) panels placed on trackers, it is desirable to create a 40% reserve above the installed power, taking in account the possible future development of the research laboratories.

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“…ICSTM is part of UVT, the building covers an area of 2240 m 2 , has a total built area of 7250 m 2 , and houses 40 laboratories, 6 functional annexes, 7 administrative spaces, and 4 communication spaces, with installations and equipment used for research [18].…”

“…A detailed description of facilities related to RES real scale laboratories, namely, PV platform and wind platform, being at the same time sources of electricity for ICSTM's own consumption is presented by Nedelcu et al [18]; here, we will just shortly review these sources of energy from RES. It is to be mentioned that these sources partially cover the ICSTM's own consumption, the difference being supplied from the National Power System (NPS), and that one PV installation supplies electricity to the NPS.…”

“…It is to be mentioned that these sources partially cover the ICSTM's own consumption, the difference being supplied from the National Power System (NPS), and that one PV installation supplies electricity to the NPS. ICSTM is part of UVT, the building covers an area of 2240 m 2 , has a total built area of 7250 m 2 , and houses 40 laboratories, 6 functional annexes, 7 administrative spaces, and 4 communication spaces, with installations and equipment used for research [18].…”

“…The same paper by Nedelcu et al [18] presents a proposal to supplement the present installed capacity in facilities for producing electricity from RES to fully cover the ICSTM's own electricity consumption. Considering the further development of the institute and failure of some sources, the authors proposed a surplus of 40%, increasing the annual electricity generation from RES to about 698 MWh/year.…”

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“…In the last ten years, Romania installed more than 1300 MW in ground-mounted PV power plants. This Romanian experience in PV systems can be completed by the real scale laboratories, for example, those existing in Romanian technical universities, related to different PV cells and panels technologies [34], eventually integrated with other RES [35] and even analysis of the operation in difficult conditions [36].…”