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An innovative wind–solar hybrid street light: development and early testing of a prototype

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  • Renato Ricci
  • Daniele Vitali
  • Sergio Montelpare

Abstract

An innovative renewable hybrid microgeneration unit has been designed to be fully embedded into a dedicated LED street lighting system. The key feature of this new concept is the arrangement of a multiple Savonius vertical axis wind turbine into the structure itself of the post. A photovoltaic panel is integrated to contribute to power generation. The energy is collected by a power conversion equipment along with a storage device which ensures the lighting also during windless nights. The main application of this project is the standalone street lighting, but also a grid connected option is feasible, making the system compatible with microgrid concepts. Different Savonius rotors have been designed and characterized by wind tunnel tests. The adopted cylindrical geometry has shown a maximum power factor of 0.21. A dedicated safety equipment has been designed to prevent turbine over-speed by automatic stop in extreme wind condition. A full-scale prototype of the generator/lighting system has been installed. The experimental data acquisition is currently in progress to analyse on site performance and to allow energy simulations.

Suggested Citation

  • Renato Ricci & Daniele Vitali & Sergio Montelpare, 2015. "An innovative wind–solar hybrid street light: development and early testing of a prototype," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 10(4), pages 420-429.
    • Handle: RePEc:oup:ijlctc:v:10:y:2015:i:4:p:420-429.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctu016
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    Cited by:

    1. Jiawei Yao & Yongming Zhang & Zhe Yan & Li Li, 2018. "A Group Approach of Smart Hybrid Poles with Renewable Energy, Street Lighting and EV Charging Based on DC Micro-Grid," Energies, MDPI, vol. 11(12), pages 1-17, December.
    2. Montelpare, Sergio & D'Alessandro, Valerio & Zoppi, Andrea & Ricci, Renato, 2018. "Experimental study on a modified Savonius wind rotor for street lighting systems. Analysis of external appendages and elements," Energy, Elsevier, vol. 144(C), pages 146-158.

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