Study on security pricing of power system preventive control

Based on traditional dispatch model, this paper considers contingency security constraints and constructs a new model with preventive control. The preventive control security pricing concept and nodal price calculation method are proposed through analysis of Lagrange multipliers. The model price ref...

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Bibliographic Details
Published inDianli Xitong Baohu yu Kongzhi Vol. 38; no. 19; pp. 81 - 86
Main Authors Cao, Wei-Bin, Song, Yi-Qun
Format Journal Article
LanguageChinese
Published 01.10.2010
Subjects
Contingency
Control systems
Economics
Lagrange multipliers
Mathematical models
Pricing
Security
Strategy
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Summary:Based on traditional dispatch model, this paper considers contingency security constraints and constructs a new model with preventive control. The preventive control security pricing concept and nodal price calculation method are proposed through analysis of Lagrange multipliers. The model price reflects different nodal values for system static security. A case study of IEEE-30 bus system demonstrates the rationality and validity of strategies proposed in this paper and provides an effective method for coordination between power system security and economic operation.
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ISSN:1674-3415