On-Line Modeling for Emergency Control Systems
IFAC Proceedings Volumes(1997)
Abstract
In a stabilizing system, control actions are determined through stability analysis or contingency analysis. Therefore the on-line modeling method is a key technology in these analysis, and is closely inseparable with emergency control systems which make power system stable after a fault. The difficulty of the on-line modeling of an external system is caused by the lack of on-line data from the external system. In this paper, we summarize several on-line modeling methods for emergency control systems, and propose a new on-line modeling method which uses only local information after the fault.
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Key words
Power system stabilizers,prediction method,on-line security analysis,modeling,corrective actions
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