Transient Analysis of Large Scale PV Systems with Floating DC Section

Morris Brenna, Alberto Dolara, Federica Foiadelli, George C. Lazaroiu and Sonia Leva
Additional contact information
Morris Brenna: Politecnico di Milano, Via La Masa 34, 20156 Milan, Italy
Alberto Dolara: Politecnico di Milano, Via La Masa 34, 20156 Milan, Italy
Federica Foiadelli: Politecnico di Milano, Via La Masa 34, 20156 Milan, Italy
George C. Lazaroiu: University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
Sonia Leva: Politecnico di Milano, Via La Masa 34, 20156 Milan, Italy

Energies, 2012, vol. 5, issue 10, 1-17

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 (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2012
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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