Influence study of concentrated photovoltaic location on voltage stability

Author(s): Erhab Youssef , Rasha M. El Azab, Amr M. Amin
Department of Electrical Power Engineering, Faculty of Engineering, Helwan University, Cairo, 11792, Egypt
Academy of Scientific Research and Technology, Al-Kasr El-Aynay, Cairo, 11516, Egypt
International Journal of Smart Grid and Clean Energy, vol. 4, no. 3, July 2015: pp. 226-232
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.4.3.226-232

Abstract: Concentrated Photovoltaic modules (CPV) use optics, such as lenses to concentrate a large amount of sunlight onto a small area of solar photovoltaic materials to generate electricity. The solar irradiance level and landscape area are considered as main factors in CPV site on the network. These factors are not sufficient for improving the CPV performance and grid integration .The coupling point of CPV to the grid is an important role and affects the network stability. This paper focuses on the influence study of CPV location on voltage stability .PSS/E has been used as a tool for simulation and validation the integration of CPV to 14-IEEE network as benchmark test. Ac contingency analysis tool is used to study the voltage stability at different cases and locations of CPV. Results indicate that the distributed CPV improves the voltage stability of the network, rather than centralized CPV. Distributed CPV connects at different locations and near to the load. Therefore, the impact of distributed CPV is minimized with respect to voltage stability issue.

Keywords: CPV, contingency analysis, PSS/E, voltage stabilityand location

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