Students from Sisak Technical School Created a Solar Tree for INA’s Gas Station

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Copyright Romulić and Stojčić
Students from Sisak Technical School made a solar tree for INA's gas station
Students from Sisak Technical School made a solar tree for INA's gas station

October 16, 2020 – Students from Sisak Technical School created a solar tree and presented it at INA’s gas station in Sisak on Thursday, October 15, 2020. Now, customers and passers-by will be able to charge their mobile devices and tablets.

As Hina reports, the project of making this solar tree was financed by Croatian Oil Company (INA) as part of the development of innovative, professional, and communication skills of Sisak Technical School students. By making this device, students promote the possibilities of using renewable energy sources.

In addition to the successful acquisition of competencies in this project, the idea was to bring the design closer to the basic elements of wood.

The solar tree has six leaves designed after the oak leaf, and each leaf is fitted with 50 W photovoltaic cells. The rest of the photovoltaic system equipment, regulator, fuses, and battery are located in the lower part intended for sitting and resting. The solar tree has a built-in LED lighting, which lights up automatically in the evening.




“The cooperation between the Technical School Sisak and INA lasts for years through various projects, from support in the traditional solar car race to the development of a functional model of ion engine and solar tree. In this way we actively participate in developing student competencies and their professional skills and help shape future engineers and experts,” said the director of the Sisak Oil Refinery, Damir Butković.

This is not the first example of tree-shaped solar chargers in Croatia. The cities of Karlovac and Ludbreg have similar installations.


One of many successful projects

Professor Stevče Arsoski, the initiator of these and many other school projects, said that this is only the last project of several successful joint projects. As he said, about ten students were engaged in the production of this solar tree, and the project was also the graduation work of student Leon Milinović.

“I think the earlier project of a functional model of an ion engine deserves equal attention, which, as an innovation, was completed in June. Although we were writing about this project on the website, we are waiting for the first opportunity to present it live. The final grade students Dino Terman and Mihael Pavlin, who are now in college, were especially engaged in this project. On this occasion, I must thank INA, who is already our permanent partner, for financial assistance,” said Professor Arsoski, adding that they are already preparing new joint projects with INA.

“I am looking forward to the new innovative projects that the school is planning, and INA will be happy to join them,” said INA’s director Butković.


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