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Recently updated on Maggio 11th, 2021 at 08:59 am
PV in Europe, October 7-11, Rome, Italy THE GRID-CONNECTION OF PV GENERATORS IN ITALY Francesco Groppi1, Salvatore Guastella2 CESI, Via Rubattino, 54 – I-20134 Milano, Italy 1: +39 02 2125.4349, firstname.lastname@example.org 2: +39 02 2125.5691, email@example.com ABSTRACT: It is well recognised that one of the main source of concern both for PV self-producers and utilities in Italy is the correct connection of PV systems to the public grid. Distributed PV generation has some peculiarities, mainly related to its relatively small specific power and to the conversion technology, which is based on the static power conversion and thus is different from rotating machinery. The criteria used for the connection take into account the rather generic standard EN 61727 – Characteristics of the utility interface and the more detailed Italian CEI 11-20 – Electrical energy production systems and uninterruptable power systems connected to I and II class network. Furthermore, the presence of norms and rules issued by Enel in these last years at national level (DK5740, DK5940, DK5940, DV1604, DV1606) as well as the more recent DK5950, contribute to outline a technical framework not always completely understable. The paper discusses the connection of single-inverter and multi-inverter PV systems to the LV line (single-phase and three-phase). It is also discussed the configuration resulting from the connection of PV systems to private LV grids in facilities which take power from public MV grids by means of local transformers. PUBBLICATO A5018708 (PAD – 704906)
31 Dicembre 2005
Una generazione sostenibile di Energia Elettrica per il XXI secolo (GEN 21)