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Eine plattform von: LogoInstitute for Renewable Energy
Unterstützt durch:
IEA PVPS Task 15 project aims to create an enabling framework to accelerate the penetration of BIPV products in the global market of renewables.
Operazione co-finanziata dall’Unione europea, Fondo Europeo di Sviluppo Regionale, dallo Stato Italiano, dalla Confederazione elvetica e dai Cantoni nell’ambito del Programma di Cooperazione Interreg V-A Italia-Svizzera
Landwirtschaftspavillon Bressanella
new construction
a25architetti
Gebäudefunktion:
multifunktional
IPV-Architektursystem:
opakes Dach
IPV-Integrationsjahr:
zwischen 2016 und 2020
Quelle:
BIPV meets History Projekt
Landwirtschaftspavillon Bressanella
Via Della Cascina Selva, Besana in Brianza (MB), Italien
The Bressanella Agricultural Pavilion is located in Besana in Brianza, one of the most densely populated areas in Italy and Europe. Here more than half of the territory is occupied by inhabited and productive sites. In this context, a small agricultural reality has decided to bet on the recovery of ethical and sustainable values and carrying on the concept of "short supply chain". The Pavillon is supporting the 0 km sales model and creating a meeting point for the inhabitants, where children, young people, adults and the elderly can meet and discuss in the various activities offered in the field. This company values and the desire to think of a contemporary and sustainable work are the cornerstones of the project. A photovoltaic system is integrated on the roof of the building.
STAKEHOLDERS
Hauptgebäudeplaner:
a25architetti
IPV-Systemdesigner:
Giancarlo Manzoni (DabaTech), Ing. Carlo Agostino Rossi
The pavilion is a system formed by a simple architecture: two volumes slightly rotated between each other, following the natural conformation of the land and supported by a basement base that also acts as an edge towards the slope behind. Water and sun are the two elements that activate the company's sustainability process. On the one hand, water feeds the fields that will bear fruit, which, once harvested, will be sold directly or processed and then sold. On the other hand, the sun feeds the company's technological system and creates the microclimate of the pavilion. The agricultural pavilion is oriented north-south and is equipped with two porch spaces facing the south. This conformation allow sunlight to enter in winter season while hindering it the entry in the summertime.
The main objective was to achieve a level of aesthetics impact that was as minimal and homogeneous as possible. Therefore, the choice was to homogenize the photovoltaic installation to the roof system. The use of the Swisspearl (Integral Plan) modules allowed to reach a high degree of integration, in terms of coloration and quality of finish, with respect to the pitches of the roof.
The photovoltaic system powers and modulates the use of the heat pump. The produced energy is totally consumed when the building is in full operational conditions.
The photovoltaic system also works as a roof covering and the entire roof is still ventilated. The supporting structures are made of grooved knotted aluminum profiles obtained by extrusion; the frames of the solar modules are fixed to the profiles by aluminum clamps and stainless steel bolts. The connection cables of the modules are designed in a way to simplify and minimize installation operations using quick coupling systems with a plug type Multicontact. The connection cables from the modules to the inverter and from the inverter to the main control cabinet are laid in special cable ducts consisting of conduits/pipes.
To introduce the photovoltaic technology was an obligatory choice. No methane gas network is in the building area; therefore, the project was oriented from the beginning to the use of a heat pump system supplied by photovoltaic, rather than a hybrid system. Two obstacles arose in the design and construction phases: the first obstacle was the connection to the grid. The existing Enel line on Via Cascina Selva was only able to guarantee a connection power of about 11 kW. Therefore, the photovoltaic power was limited to 11 kWp, even if the roof could receive more modules. The second obstacle was to set up a new dedicated line for the Enel energy meter, which is about 300 m away from the building. The old electrical line was undersized in terms of section for the necessary new cable.
