These “stacked” tower photovoltaic panels are highly efficient, shadow free and space saving

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Elia Tabuenca García
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A research team from IIT Delhi (India) has developed high-efficiency, shadow-free solar photovoltaic towers (the solar panels at the bottom are not obscured by the upper panels) and self-rotating for photovoltaic power generation in a given area throughout the day

He is about to end up run over, his mother saves him

“Stacked” tower photovoltaic panels: this is the innovative construction developed by a research team of IIT Delhi (India) with reflection concentration technology, without shadow and self-rotating. This increases efficiency and reduces space.





Photovoltaic towers (with mechanical and non-mechanical tracking) are practicable for all seasons with a high energy density and are truly space-saving: they are in fact portable, i.e. the whole unit can be mounted on a truck, made functional and taken anywhere. to generate energy; in addition, with capacities of 3kW and 5kW, they are scalable to higher capacity via solar tower arrays (green energy field).

The configuration is useful for several applications, including:

  • charging stations for electric vehicles;
  • high efficiency solar power generation on the roof for homes / schools / hospitals / independent shops / IT sector and more;
  • agricultural purposes (agri-photovoltaic) such as pumping solar water, battery charging for tractors, etc.

©IIT Delhi

IIT Delhi has patented the invention and licensed to Banglore and Mumbai-based EP Sunsol Private Limited for commercial installation. EP Sunsol has already implemented the systems developed in Chennai, IIT Delhi and Navi Mumbai of 3kW, 4kW and 5kW respectively.

After intense research, we were able to arrive at the new lightweight and economical design for mounting the photovoltaic solar towers along with high reflectivity mirrors to follow the movement of the sun - explains Dalip Singh Mehta, who led the work - Both non-mechanical and mechanical solar towers are able to generate 20-25% and 25-30% more energy respectively, using only 50-60% of roof space compared to conventional solutions

In particular, the mechanical tracking solar tower has a low-cost programmable electromechanical system to rotate the solar tower horizontally. Panels start the day in an easterly direction and end the day in a westerly direction. The next morning, the panels return to their east-facing position to start a new day.



Read also: From the sunflower to the photovoltaic panel in search of the Sun

In the non-mechanical tracking solar tower, on the other hand, the solar panels together with the high reflectivity mirrors are mounted vertically in a particular way that depends on the location / city so that they are in the line of sight of the sun during the morning hours, in the middle of the day. and evening, thus leading to the high efficiency solar energy production. The mounting methodology helps to generate more energy even during the less intense hours of sunshine.

Therefore, proposals continue to arrive for produce energy from renewable sources. Will they be enough?

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Source: IIT Delhi

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  • Photovoltaic on agricultural roofs, incentives are on the way that can save companies from expensive bills
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