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abakus solar AG

Crystal Garden

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The Crystal Garden, an extraordinary PV-architecture-project and wonderful attraction has its location in Taiwan. Taking “crystalized silicon” as the design idea, empowered by the unexhaustable sun, the garden generates a power capacity of 50KWp and shows the beauty of the Building Integrated Photovoltaic System with her elegent figure lines made of steel. Its equipped with 396 double-glass transparent photovoltaic modules.

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Akademie Mont - Cenis

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The Akademie Mont-Cenis represents a modern masterpiece, symbolizing the structural change in the Ruhr area. It was built in close proximity to the former coal mine’s pit Mont-Cenis in Sodingen, Herne. Internationally renowned architects Jourda & Perraudin’s design seamlessly combines both innovative architecture and modern solar technology. The glass shell of over 12,000 square metres accommodates the North-Rhine Westphalia Interior Ministry’s training facilities, the cone-shaped library building, and Herne’s district town hall. The large outer shell (175 x 72 x 15 m) provides a mediterranean climate throughout the year. One of the largest solar energy systems of its kind was incorporated into the roof surface and the south-western facing elevations. Approximately 3,200 PV modules, covered with solar cells at various levels of density, generate environmentally friendly energy. Moreover, they regulate light and shade in a way that eliminates the need for energyintensive climatisation. The desired natural-sky effect was achieved by covering the roof with different types of modules and glass. As a result, not only did it call for a great variety of PV modules, since different types of solar cells had to be used and their application density had to be varied, but, as the planners in charge of the 1 MWp PV generator’s electrical concept, we faced technical challenges as well. Today, the Akademie Mont- Cenis is the centerpiece of the energy park Mont-Cenis.

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Former Coalmine Schalker Verein

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This unusual Photovoltaic project has been realized by abakus in its hometown, Gelsenkirchen, in the Ruhr district: Photovoltaic electricity is generated on the roof of a former ore and coal bunker beginning in April 2008. The Schalker Verein solar power station, with a performance of 355 kWp, certainly characterizes the transition of Gelsenkirchen from the „Town of a Thousand Fires“ to „The Solar City“ like no other project. Vicariously standing on the premises of the Schalker Verein blast furnace, this 240m long bunker (operational until 1982) primarily reminds us of times in which the concepts of coal and energy were one in the same within the Ruhr area. After extensive floor redevelopment measures the main body lies in largely undeveloped lands. Consequently, this dramatically increased the demands on logistics, expiry coordination, and civil engineering personnel. The massive concrete construction with a flat roof surface forms a durable and stable base which will support the specially configured module tables for decades. The nearly ideal geographic orientation as well as the open space, combined with crystalline silicon technology modules, produce the best opportunity for maximum production at the location.

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Distribution Centre Deichmann

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This project is the proof that quality is the investors friend. In spite of the slightly higher investment in comparison to the competition the management of Deichmann made a clear cut decision in favour of the concept offered by abakus: 1680 PV modules of the leading german manufacturer Solon on the industrial roof of the new distribution centre connected to a state of the art central inverter of SMA. The inverter is placed in a compact substationtogether with a 10 kV transformer and the respective MV switch gear. Supervisory control of installations withcentral inverters normally requires specific hardware standards: Any malfunction of one of the 84 strings becomes visible usin DC junction boxes with dedicated measurement equipment. 9 string monitor boxes distributed on the roof deliver reference values for the string currents they are supervised and controlled in the central unit. As an industrial standard data access is possible also through external dial-in connection. PV systems of the given size often feed in directly to the MV grid. abakus has designed and subsequently implemented this MV connection considering the specifications of central inverter, transformer and switch gear. The combination of the entire inverter and connection equipment in a single compact sub-station has two distinct advantages: All necessary components for plant operation are in one place and in the same moment the grid connection requirements of the utility company (especially safety regulations) can be easily met at any time.

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