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A Novel Network Reduction Method based on Similarity Index between Bus Pairs  

Chun, Yeong-Han (홍익대학교 전기전자공학과)
Lee, Dong-Su (홍익대학교 전기전자공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers A / v.55, no.4, 2006 , pp. 156-162 More about this Journal
Abstract
Transmission zones can be defined based on LMPs. Each zone consists of nodes with similar LMPs, and zonal price is determined by average nodal prices in each zone.[1] Network reduction is still important for the analysis of zonal systems under electricity market environments, even though the computing capability of computer system can deal with entire power systems. The Similarity Index is a good performance measure for the network reduction.[2] It can be applied to the network reduction between zones categorized by the nodal prices. This paper deals with a novel network reduction method between zones based on the similarity Index. Line admittances of reduced network were determined by using the least square method. The proposed method was verified by IEEE 39 bus test system.
Keywords
Zonal Pricing; Network Reduction;
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  • Reference
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