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http://dx.doi.org/10.5207/JIEIE.2007.21.3.107

Interconnection Capacity Evaluation of Distributed Resources at the Distribution Networks in View of Distribution Protection Coordination  

Choi, Joon-Ho (전남대학교 전기공학과)
Ro, Kyoung-Soo (동국대학교 전기공학과)
Park, Sung-Jun (전남대학교 전기공학과)
Song, Kyung-Bin (숭실대학교 전기제어시스템공학부)
Yun, Sang-Yun (LG산전 전력연구소)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.21, no.3, 2007 , pp. 107-116 More about this Journal
Abstract
The introduction of new renewable energy is going on increase with the second plan of the Korean Government "Technology Development, Utilization and Popularization of New Renewable Energy". In general, it is connected to the power system due to the nature of it's source characteristics but it's interconnection operation impacts on the power system planning and operation. The operation schemes of the existing power distribution system are based on the unidirectional power flow, but unidirectional power flow changes to bidirectional power flow due to the interconnection operation of new renewable energy. It degrade the existing protection coordination system and power quality of the power distribution system. Thus, the technical evaluation process of the interconnection of new renewable energy are necessary. In this paper, the characteristics of the existing automatic recloser and sectionalizer are reviewed and interconnection capacity evaluation method of the DR(distributed resources) in the existing automatic recloser-sectionalizer protective coordination system are proposed.
Keywords
Distributed resources; Interconnection capacity; Distribution protection practice;
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