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Linked Planning of Power Grids and Subsidy Policies on Using Photovoltaic Cells for Residential Electricity Supply

Balmaki, Saeed | 2016

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 48815 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Ehsan, Mehdi
  7. Abstract:
  8. In recent years, due to restructuring in the electric power industry, distributed generation has become one of the most important subjects and DGs and renewable energy sources have been increasingly expected as a supplement and an alternative to a conventional large scale central power system. their success depends not only on the distribution of the available renewable energy sources in a region but also on the power grids connectable capacity in the area. Photovoltaic system is one of the best RESs for residential electricity supply because it is noiseless and solar power is widely available and households can use it via photovoltaic cells in their homes. There are two major problems facing photovoltaics global diffusion. First, lack of interest among people to invest on this expensive technology and second, voltage rise issues and security problems in distribution networks with high pv penetration levels each of which needs its own planning scheme. In this report, a model based on social welfare has been presented to link these two planning problems. In this thesis, Feed-in Tariffs are considered as the only government subsidy policy on photovoltaics diffusion and no subsidy on the investment costs is considered. Social welfare is maximized using optimal subsidy policies for photovoltaic diffusion Considering network constraints. Mixed integer non linear programming is used to solve the problem and 3 scenarios are proposed based on an annual increase in retail electricity prices. Results show that increasing retail electricity price can have significant positive effects on social welfare in the proposed model
  9. Keywords:
  10. Distributed Generation ; Photovoltaic System ; Restructured System ; Renewable Energy Resources ; Subsidy ; Privatization ; Feed-in Tariffs ; Voltage Raise Issues

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