Mid-Term Voltage Stability Study using the Quasi-Steady State Analysis Method
The quasi-steady-state (QSS) method essentially approximates the mid-term and long-term dynamic simulations by assuming that the short-term dynamics are infinitely fast leading to computation of a sequence of equilibrium points. The advantage is that the method is fast while the accuracy is acceptable. Modeling issues relative to mid-term voltage stability assessment in the time domain are explained. Appropriate models of the synchronous generator, the armature current limiter and the under load tap changer are provided. The QSS method can be further extended to include a singular value analysis. The resulting singular vector provides insight into voltage collapse prevention strategies. Test results are shown on WSCC reduced system.
F. Dong et al., "Mid-Term Voltage Stability Study using the Quasi-Steady State Analysis Method," Proceedings of the IEEE Power Engineering Society General Meeting (2003, Toronto, Canada), vol. 4, pp. 2646-2651, Institute of Electrical and Electronics Engineers (IEEE), Jul 2003.
The definitive version is available at https://doi.org/10.1109/PES.2003.1271065
IEEE Power Engineering Society General Meeting (2003: Jul. 13-17, Toronto, Canada)
Electrical and Computer Engineering
Keywords and Phrases
Armature current limit; Quasi-steady-state(QSS) methods; Voltage stability; Computer simulation; Electric currents; Induction motors; Limiters; Reactive power; Synchronous generators; Time domain analysis; Electric potential; Mid-term voltage stability; Quasi-steady-state; Singular value analysis
International Standard Book Number (ISBN)
Article - Conference proceedings
© 2003 Institute of Electrical and Electronics Engineers (IEEE), All rights reserved.