A novel off-grid hybrid power system comprised of solar photovoltaic, wind, and hydro energy sources
- Authors
- Bhandari, Binayak; Lee, Kyung-Tae; Lee, Sunyong Caroline; Song, Chul-Ki; Maskey, Ramesh K.; Ahn, Sung-Hoon
- Issue Date
- Nov-2014
- Publisher
- Pergamon Press Ltd.
- Keywords
- Distributed generation (DG); Hybrid power system; Micro hydro power (MHP); Mini grid; Off-grid system; Renewable energy (RE)
- Citation
- Applied Energy, v.133, pp.236 - 242
- Indexed
- SCIE
SCOPUS
- Journal Title
- Applied Energy
- Volume
- 133
- Start Page
- 236
- End Page
- 242
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/21132
- DOI
- 10.1016/j.apenergy.2014.07.033
- ISSN
- 0306-2619
- Abstract
- Several factors must be considered before adopting a full-phase power generation system based on renewable energy sources. Long-term necessary data (for one year if possible) should be collected before making any decisions concerning implementation of such a systems. To accurately assess the potential of available resources, we measured solar irradiation, wind speed, and ambient temperature at two high-altitude locations in Nepal: the Lama Hotel in Rasuwa District and Thingan in Makawanpur District. Here, we propose two practical, economical hybridization methods for small off-grid systems consisting entirely of renewable energy sources-specifically solar photovoltaic (PV), wind, and micro-hydro sources. One of the methods was tested experimentally, and the results can be applied to help achieve Millennium Development Goal 7: Ensuring environmental sustainability. Hydro, wind, and solar photovoltaic energy are the top renewable energy sources in terms of globally installed capacity. However, no reports have been published about off-grid hybrid systems comprised of all three sources, making this implementation the first of its kind anywhere. This research may be applied as a practical guide for implementing similar systems in various locations. Of the four off-grid PV systems installed by the authors for village electrification in Nepal, one was further hybridized with wind and hydro power sources. This paper presents a novel approach for connecting renewable energy sources to a utility mini-grid. (C) 2014 Elsevier Ltd. All rights reserved.
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