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Detailed Performance Analyses Results of Grid-Connected Clustered Photovoltaic (PV) Systems in Japan

Sources:

Tokyo University of Agriculture and Technology

Meidensha Corporation

Kandenko

Nihon University

Authors:

Y. Ueda

T. Oozeki

K. Kurokawa

T. Itou

K. Kitamura

Y. Miyamoto

M. Yokota

H. Sugihara

S. Nishikawa

Date:

1 June 2005

This paper describes results of performance and loss analyses for grid-connected residential photovoltaic (PV) systems. The voltage of power distribution lines is raised by both PV systems output energy and reduced load during weekends. Overvoltage of power distribution lines induces output regulation of PV inverters. Results indicate that both PV systems and reduced load raised approximately two volts of distribution line voltage and a combination of two factors induced substantial output yield reduction for PV systems.