An international team of scientists from Sweden and China has created a balloon system project that will generate and distribute electricity to the ground. The study was published in the scientific journal magazine Energy.
The team developed a balloon with an integrated photovoltaic battery (BIPVS). The solar balloon rises into the air and transmits the generated electricity downwards through a cable.
The balloon itself is kept in the atmosphere with the help of helium. Its upper half is made of a transparent material that captures and concentrates sunlight through refraction.
Placing photovoltaic cells under the plane protects them from rain, snow and hail.
The system also includes a relief valve for gas exchange to maintain the required pressure inside the balloon. Next to solar cells, there are storage and control modules to control the flow of energy. Four cables are used to secure the balloon, and a rope and electrical wire are attached to the ground.
The balloon should be placed high enough to avoid shadows from trees or buildings.
The team tested their system locally and used simulation to examine the possible performance characteristics of a fleet of 10,000 BIPVS in five major cities around the world.
Scientists found that the average monthly output of a fleet of such balloons produces between 3.5 and 4 GWh of electricity.
Previous researchers appreciated Reliability of solar and wind power plants in bad weather conditions.
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Source: Gazeta
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