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Transient Analysis of Large Scale PV Systems with Floating DC Section
Politecnico di Milano, Via La Masa 34, 20156 Milan, Italy
University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
* Author to whom correspondence should be addressed.
Received: 27 July 2012; Accepted: 13 September 2012 / Published: 26 September 2012
Abstract: The increasing penetration of renewable sources with power-electronic interfaces in power systems is raising technical problems and the overall efficiency of photovoltaic systems can decrease dramatically. In this context, the optimal layout for the photovoltaic system is required. The most adequate strategy to connect the renewable system to the electrical power grid or to supply the end users must be adopted. The present paper proposes a design layout of a PV plant using a DC bus system to improve the overall energy conversion efficiency. An analysis of steady-state system stability, voltage drop and DC cable conduction losses is conducted. The leakage currents to the ground are investigated through simulations. Experimental results are shown focused on the analysis of optimal layout of photovoltaic systems under particular operating conditions.
Keywords: large scale PV system; distributed DC/DC conversion; harmonic disturbances; power quality
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MDPI and ACS Style
Brenna, M.; Dolara, A.; Foiadelli, F.; Lazaroiu, G.C.; Leva, S. Transient Analysis of Large Scale PV Systems with Floating DC Section. Energies 2012, 5, 3736-3752.
Brenna M, Dolara A, Foiadelli F, Lazaroiu GC, Leva S. Transient Analysis of Large Scale PV Systems with Floating DC Section. Energies. 2012; 5(10):3736-3752.
Brenna, Morris; Dolara, Alberto; Foiadelli, Federica; Lazaroiu, George C.; Leva, Sonia. 2012. "Transient Analysis of Large Scale PV Systems with Floating DC Section." Energies 5, no. 10: 3736-3752.