Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 25, Issue 1, Pages 392-403Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2009.2036494
Keywords
Dynamic security assessment; one machine infinite bus (OMIB); optimum power flow; power system; single machine equivalent (SIME) method; transient stability; transient stability constrained optimal power flow (TSC-OPF)
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Funding
- Consejo Nacional de Ciencia y Tecnologia, Mexico
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This paper presents a new approach to transient stability control using global transient stability-constrained optimal power flow (TSC-OPF) methods. Its novelty consists in using the single machine equivalent (SIME) method to perform (and improve) two main important functions of global TSC-OPF approaches: first, SIME is used to efficiently perform the power system transient stability analysis; second, SIME determines a stable one machine infinite bus equivalent rotor angular trajectory that is used as the reference stability constraint, at one specific integration step. In this way, the stability constraint is adjusted by SIME, at each iteration of the TSC-OPF method, in order to accurately reflect power system dynamic behavior. The prowess and main characteristics of the proposed approach are shown by numerical examples.
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