Modeling and Field Measurements of Photovoltaic Units Connected to LV Grid. Study of Penetration Scenarios

被引：49
作者：
Papaioannou, Ioulia T. [1 ]
Alexiadis, Minas C. [1 ]
Demoulias, Charis S. [1 ]
Labridis, Dimitris P. [1 ]
Dokopoulos, Petros S. [1 ]
机构：
[1] Aristotle Univ Thessaloniki, Dept Elect & Comp Engn, Thessaloniki 54124, Greece
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2011年 / 26卷 / 02期
关键词：
Distributed energy sources; photovoltaic inverters; photovoltaic power systems; power system harmonics; PV; SYSTEMS; IMPACT; POINT;
D O I：
10.1109/TPWRD.2010.2095888
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The operation of photovoltaic (PV) units connected to the grid is characterized by several uncertainties due to the number of currently operating units, the points where these units are sited, the exported power, and the injection of harmonic currents. The objective of this paper is to investigate the impact of the penetration of PV units in the low-voltage (LV) network. Thus, a model has been developed for the computation of load flows, harmonics, and voltages in the feeders. A PV panel is modeled as an irradiance-driven current generator, with an embodied maximum power point (MPP) tracking algorithm; it is connected to the network via electronic switches that represent the PV inverter. Simulations are performed with PSIM and Harmoniques simulator packages. Results from the simulated model are validated with data acquired from field measurements and bibliography. Finally, the acceptable penetration level of PV systems is investigated for several scenarios, depending on the topology of the LV network, the number, size, and locations of loads and PV units.
引用
收藏
页码：979 / 987
页数：9
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