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A Novel Method for Anti-Islanding Using Reactive Power Control  

Jeong Jin-Beom (한양대학교 전자전기제어계측공학과)
Choi Bong-Ju (한양대학교 전자전기제어계측공학과)
Ahn Kang-Soon (주식회사 윌링스)
Kim Hee-Jun (한양대학교 전자)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.54, no.4, 2005 , pp. 208-216 More about this Journal
Abstract
Recently, the study of islanding phenomenon, maintains its operation even when the utility grid is removed has lead to the trend of utility interactive inverters in photovoltaic generation systems. In this paper, a novel Anti-islanding method is presented. the proposed method can keep the real average power component constant by MPPT control and cause the load current frequency with only change of reactive power component under the islanding condition. its periodical change of Reactive power component can decrease the NDZ(Non-Detective zone) so that the detection of various loads will be possible. the insufficient effect if additional reactive power component to the grid is proved theoretically and the islanding detection is also confirmed from a experimental result with a inverter for 3kW photovoltaic generation system applied the proposed Anti-islanding method.
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Times Cited By KSCI : 2  (Citation Analysis)
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