High-Efficiency Energy Harvesting and Saving
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".
Deadline for manuscript submissions: closed (31 August 2019) | Viewed by 3977
Special Issue Editors
Interests: electrical drives; linear machines; magnetic materials; energy harvesting; electrical energy production from sea waves; medical equipment and medical use of nuclear radiation
Special Issues, Collections and Topics in MDPI journals
Interests: HVAC; energy efficiency; energy saving in final users; sea wave; renewable energy
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Recently we have observed an impetuous revolution in the field of the generation of electrical energy. Until some years ago, electrical energy was generated in large quantity in large centralized power units (typical power in the order of MWs and much higher) and successively distributed. The developing of several technologies (PV systems, small hydro power unit, small wind turbines, etc.) has allowed, in the last decade, the economical possibility to produce smaller quantity of energy in more distributed power units (typical power in the order of kWs), starting the ongoing revolution in the field of distributed energies. These technologies have opened the field to the general application of otherwise unaffordable technical solutions; however, other fields are still limited by the fact that the generation of energy in the range of watts and subwatts is still difficult and expensive. The typical solution that is adopted in order to supply power in the order of the watts or subwatts is based on the use of batteries, with all the related issues and problems (in terms of safety, reliability, maintenance, etc.) that this solution causes. This approach strongly limits several other fields: a full development of Internet of Things has as enabling technology the possibility to have energy in the same place where the myriads of sensors will be installed; the development of a new battery free generation of reliable, safe, and installable medical devices is based on the use of energy harvesting technologies; and the installation of distributed networks of sensors in large structures requires a simple approach to supply the needed energy, just to mention a few examples. A key factor in the full development of energy harvesting technology is related to the maximization of the efficiency of the usage of the produced energy to maximize the performance of the overall system.
Fortunately, nowadays several technologies that are able to extract energy from the surrounding environment are being studied and becoming available. As a result, this Special Issue intends to stimulate a discussion of the available and nearly-available technologies in the field of the energy harvesting systems whose power is lower than few kWs (up to micro watts or less). Papers on both the power units and the typical applications will be considered, and special attention will be given to the studies on energy saving in energy harvesting applications.
Prof. Dr. Marco Trapanese
Prof. Dr. Vincenzo Franzitta
Guest Editors
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Keywords
- energy harvesting
- distributed energy
- electrical conversion
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