Optimal generation rescheduling with sensitivity-based transient stability constraints

D.Z. Fang; W. Sun; Z.Y. Xue

Optimal generation rescheduling with sensitivity-based transient stability constraints

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Optimal generation rescheduling with sensitivity-based transient stability constraints

Author(s): D.Z. Fang ; W. Sun ; Z.Y. Xue
DOI: 10.1049/iet-gtd.2009.0711

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Author(s): D.Z. Fang ¹ ; W. Sun ¹ ; Z.Y. Xue ¹
- Affiliations: 1: Key Laboratory of Power System Simulation and Control of Ministry of Education of China, School of Electrical Engineering and Automation, Tianjin University, Tianjin, People's Republic of China
Source: Volume 4, Issue 9, September 2010, p. 1044 – 1051
DOI: 10.1049/iet-gtd.2009.0711 , Print ISSN 1751-8687, Online ISSN 1751-8695

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A new generation rescheduling model is proposed for transient stability enhancement of power systems, which can optimally reallocate power generations for eliminating potential transient stability threat. The idea of angle norm has been introduced to develop a sensitivity-based transient stability constraints of the rescheduling model. Trajectory sensitivity mapping technique is studied to evaluate the sensitivity factor of the angle norm at maximum swing angle to the power input of generators. The augmented Lagrangian method is employed to solve the rescheduling problem in an iteration manner. Case studies on the IEEE 50-generator test power system are reported to verify the effectiveness of the proposed generation rescheduling method.

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Optimal generation rescheduling with sensitivity-based transient stability constraints

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