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Hydro-Québec has a long interest in on-line dynamic security assessment (DSA) necessitated by its challenging power network dynamics (transient, fast and slow voltage collapse). We are presently using off-line calculated security indicators and an on-line monitoring system approach. Every 5 seconds our system provides dynamic security limits, the impact of each out-of-service component, simple guidelines...
The feasibility and potential benefits of the system-wide Automatic Voltage Control (AVC) in PJM system are studied in this paper. A test AVC system with a hierarchical structure is adopted for simulation study, which is based on eight typical real-time snapshots from the solutions of state estimator in the PJM's Energy Management System (EMS). For each snapshot, the control action simulation is executed...
This paper proposes and efficient solution to the unit commitment (UC) schedule of a power system with wind generation including transmission limits. It does this by characterizing the residual demand feasibility set (loadability set) through a set of explicit linear inequalities. This set contains the residual demands that can be served by the available generation resources while also accounting...
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