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February 12, 2019

Flag technology generates wind and solar power

Researchers at the University of Manchester in the UK have developed the first flags that can simultaneously generate electrical energy using wind and solar power.

By Jack Unwin

Researchers at the University of Manchester in the UK have developed the first flags that can simultaneously generate electrical energy using wind and solar power.

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The results of this study, which looked at how to develop sustainable energy solutions that can generate energy without much maintenance in a system called “deploy-and-forget”, were published in the academic journal Applied Energy.

The technology was developed by using piezoelectric strips, which generate power through movement, and flexible photovoltaic cells to harness the power generated.

The researchers tested the energy-harvesting flags in different wind and environmental conditions and found they generate 3-4 mW of energy.

The flags will be able to power remote sensors and portable electronics which can monitor pollution as well as heat and sound levels.

Lead author of the study Jorge Silva-Leon said: “Under the action of the wind, the flags we built bend from side to side in a repetitive fashion, also known as Limit-Cycle Oscillations. This makes them perfectly suited for uniform power generation from the deformation of piezoelectric materials.

“Simultaneously, the solar panels bring a double benefit: they act as a destabilizing mass which triggers the onset of flapping motions at lower wind speeds, and of course are able to generate electricity from the ambient light.”

Co-author Dr Andrea Cioncolini added: “Wind and solar energies typically have intermittencies that tend to compensate each other. The sun does not usually shine during stormy conditions, whereas calm days with little wind are usually associated with shiny sun. This makes wind and solar energies particularly well suited for simultaneous harvesting, with a view at compensating their intermittency.”

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Determine the future strategies for IoT in Power

In 2021, the power sector faced significant challenges across the entire value chain. These included spiking energy costs, transitioning to renewables, and safeguarding assets against extreme weather conditions.   The Internet of Things (IoT), billed as a key part of the next industrial revolution, can significantly transform the power sector by optimizing operations, managing asset performance, and engaging customers to lower energy costs.    GlobalData’s IoT in Power Thematic Research report provides you with an in-depth lens into the impact of IoT on the industry. We highlight both the challenges and opportunities associated with the innovative technology now, and in the future. Our report also covers: 
  • Major players and companies 
  • Market size and growth forecasts 
  • Case studies  
  • Sector scorecard 
According to GlobalData figures, global IoT revenue in the energy sector will reach $59 billion by 2025, up from $34 billion in 2019. Ensure your company is proactive in adapting strategies and processes to help you remain competitive.  Download the full report to get ahead of the competition.   
by GlobalData
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