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ID:
133043
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| Publication |
2014.
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| Summary/Abstract |
We have calculated annual (i.e., for each day of the year) daytime dependences of the electric power output per unit area of an a-Si:H solar cell (SC) at latitudes 45°N, 50°N, 55°N, 60°N and at certain geographical points of Russia, Kazakhstan, Ukraine and Belarus. The calculations were based on a rigorous theoretical model, which allows to determine photoconversion efficiency, optimal electric power output and other photovoltaic electrical characteristics at arbitrary angles of solar irradiance incidence on an a-Si:H-based SC. Parameters of the a-Si:H SC under consideration provide photoconversion efficiency of 10% at 12:00 noon on equinox day at the 45°N latitude despite small total thickness of 0.7 µm of the a-Si:H SC structure up to the rear contact. Normalization of the obtained results by maximal values enables one to infer respective time dependencies for other types of SCs. In combination with the data on average numbers of sunny days per year (or average annual sunshine hours) for certain geographical regions, this provides a way for understanding the feasibility of solar electricity generation in these regions. Based on this study, we identify regions of Russia, Kazakhstan and Ukraine, for which electricity generation exceeds the average values by over 30%.
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| 2 |
ID:
186441
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| Summary/Abstract |
The building integrated rooftop solar photovoltaic (PV) systems, contribute significantly to the decentralised power generation. In this study a detailed analysis of the new distributed power generation policy from roof top PV systems, in India, is carried out along with identifying policy interventions required for its successful implementation. A contrasting perspective of decentralised power generation analysis is presented for roof top power generation enhancement and solar industry growth in India. As a case study, the implementation of roof top PV power generation in India is presented which faces a number of challenges including resistance from energy distribution companies (DISCOMs). The electricity tariff analysis is also carried out, to suggest corrective measures. The novelty of the study is that it identifies solar tariff, benchmark cost, energy subsidy pattern, release methodology and lack of incentives to DISCOMs as crucial parameters to be addressed for roof top PV promotion. The study is of importance and of interest for the effective implementation of distributed renewable power generation in the residential sector for solar industry and DISCOM growth in India and other countries worldwide.
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