Transient stability control; A multi-level hierarchical approach
- Howard Univ., Washington, DC (USA). Dept. of Electrical Engineering
A two-level hierarchical control structure for obtaining an optimal control strategy during the transient ensuing major disturbances in multi-machine power systems is presented in this paper. This structure involves localized subsystem controllers communicating with a transient coordinating controller. The local controllers, making computations in parallel, control each subsystem according to the interconnection variables provided by the transient controller. These interconnection variables are updated to satisfy interaction feasibility by means of an iterative procedure. The control strategy maintains system stability, even when the severity of the disturbances are increased, due to the feedback or closed-loop control formulation inherent in this strategy. a nonlinear multi-machine example is included for illustrating the technique.
- OSTI ID:
- 5867467
- Journal Information:
- IEEE Transactions on Power Systems (Institute of Electrical and Electronics Engineers); (USA), Journal Name: IEEE Transactions on Power Systems (Institute of Electrical and Electronics Engineers); (USA) Vol. 6:2; ISSN ITPSE; ISSN 0885-8950
- Country of Publication:
- United States
- Language:
- English
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