Multi-year multi-case optimal var planning

Ying Yi Hong, David I. Sun, Shin Yeu Lin, Chia Jen Lin

Research output: Contribution to journalJournal Article peer-review

60 Scopus citations

Abstract

This paper presents an integrated methodology for long term var planning. The timing (year), the location and the amount of var compensation would be determined. The system security and investment and operating economics are also taken into account. The proposed methodology is an integration of the Newton-OPF with the Generalized Benders Decomposition (GBD). The total problem is decomposed into two levels: master and slave. The master level deals with the investment decision of installing discretized new var devices. The slave level deals with operating the existing controllers, in conjunction with the new devices solved in the master level, to maintain system feasibility and to reduce MW losses. The overall solution methodology contains numerous extensions to the basic theory. Tests performed on actual Taiwan Power system data have been encouraging. Sample results are presented.

Original languageEnglish
Pages (from-to)1294-1301
Number of pages8
JournalIEEE Transactions on Power Systems
Volume5
Issue number4
DOIs
StatePublished - 11 1990
Externally publishedYes

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