A multi-machine power system Liapunov function using the generalized Popov criterion
- 1 May 1974
- journal article
- research article
- Published by Taylor & Francis in International Journal of Control
- Vol. 19 (5) , 969-976
- https://doi.org/10.1080/00207177408932690
Abstract
A certain mathematical model of a multi-machine power system, which is suitable for transient stability studies and allows for machine damping, is Bhown to satisfy the generalized Popov criterion, within a limited range. Hence it is possible to use a systematic method to construct a Lur'e-type Liapunov function for the system. The Liapunov function obtained in this paper contains damping terms whose weight can be adjusted by a variable parameter. The variation will have corresponding effects on the estimates of the system's stability region.Keywords
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