Proposed Distribution Voltage Control Method for Connected Cluster PV Systems

  • Lee, Kyung-Soo (Dept. of Electronics and Information Eng., Tokyo University of Agriculture and Technology) ;
  • Yamaguchi, Kenichiro (Dept. of Electronics and Information Eng., Tokyo University of Agriculture and Technology) ;
  • Kurokawa, Kosuke (Dept. of Electronics and Information Eng., Tokyo University of Agriculture and Technology)
  • Published : 2007.10.20

Abstract

This paper proposes a distribution voltage control method when a voltage increase condition occurs due to reverse power flow from the clustered photovoltaic (PV) system. This proposed distribution voltage control is performed a by distribution-unified power flow controller (D-UPFC). D-UPFC consists of a hi-directional ac-ac converter and transformer. It does not use any energy storage component or rectifier circuit, but it directly converts ac to ac. The distribution model and D-UPFC voltage control using the ATP-EMTP program were simulated and the results show the voltage increase control in the distribution system.

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