IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Special Issue Paper
Analysis and Measurement of Consumer Electric Power Generation at the Time of Grid-Interconnection of Clustered Photovoltaic Power Generation Systems
Katsuhiro MatsudaMasaru WadaToshiyuki FurukawaMasahiro WatanabeHiromu Kobayashi
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2006 Volume 126 Issue 10 Pages 1003-1012

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Abstract

Since photovoltaic generators (PV) have been mainly introduced in residential areas, it is necessary to consider the consequences of setting up large numbers of PVs locally. In such a case, it will be difficult to manage the voltage in distribution lines, because the reverse power supplied from the PV raises the voltage of the power lines. In this study, a large PV system was connected to a distribution system, and for every inverter we used simulation to verify the appraisal of systematic voltage and the electric power generation. As a result, we verified that power factor control is more effective than output control. In addition, we verified that with each user the power generation becomes more unequal. In the future, when a large PV system is connected to a distribution system, the problem of unsatisfactory equalization of demand for home appliance usage may arise. A method for determining the setting value of the inverter with each user was proposed in order to solve this problem, and the effectiveness of the proposed technique was verified by simulation.

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© 2006 by the Institute of Electrical Engineers of Japan
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