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Market-based transmission expansion planning under uncertainty in bids by fuzzy assessment

Kamyab, G. R ; Sharif University of Technology | 2012

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  1. Type of Document: Article
  2. DOI: 10.5370/JEET.2012.7.4.468
  3. Publisher: 2012
  4. Abstract:
  5. In this paper, by a simple example it is shown that existing market-based criteria alone cannot completely and correctly evaluate the transmission network expansion from market view. However criteria congestion cost (CC) and social welfare (SW) together are able to correctly evaluate transmission network from market view and so they are adopted for the market-based transmission expansion planning. To simply indicate the limits of CC and SW social welfare percentage (SWP) and congestion cost percentage (CCP) are defined. To consider uncertainty in bids of market producers and consumers, and also indeterminacy in the acceptable boundaries of the SWP and CCP and their priorities, fuzzy assessment approach is used. In this approach, appropriate fuzzy sets and a fuzzy rule base are provided to evaluate the acceptability of an expansion plan. Then, the least-investment cost plan, which is acceptable in all probable scenarios, is searched. The proposed method is applied to an 8-bus system
  6. Keywords:
  7. Congestion costs ; Expansion plans ; Fuzzy assessments ; Fuzzy rule base ; Restructured power systems ; Social welfare ; Transmission expansion planning ; Transmission network expansion ; Electric power transmission ; Fuzzy sets ; Investments ; Rating ; Traffic congestion ; Commerce
  8. Source: Journal of Electrical Engineering and Technology ; Volume 7, Issue 4 , 2012 , Pages 468-479 ; 19750102 (ISSN)
  9. URL: http://koreascience.or.kr/article/ArticleFullRecord.jsp?cn=E1EEFQ_2012_v7n4_468