Evaluation of a local DC load flow screening method for branch contingency selection of overloads

The author presents a novel screening method, involving a local DC solution, for branch flow limit violations (overloads) which, when incorporated with a performance index (PI) method, can greatly enhance the selection capabilities for online as well as study purposes. The local DC screening method...

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Veröffentlicht in:	IEEE Trans. Power Syst.; (United States) 1988-08, Vol.3 (3), p.923-928
1. Verfasser:	Lauby, M.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	296000 > Energy Planning & Policy-- Electric Power Applied sciences CALCULATION METHODS DC SYSTEMS Electrical engineering. Electrical power engineering Electrical power engineering ENERGY PLANNING, POLICY AND ECONOMY ENERGY SYSTEMS EVALUATION Exact sciences and technology IMPLEMENTATION INTERCONNECTED POWER SYSTEMS Load flow LOAD MANAGEMENT MANAGEMENT Operation. Load control. Reliability Performance analysis Power engineering and energy Power markets Power networks and lines POWER POOLING Power system planning Power system security Power systems POWER SYSTEMS 200302 > Power Transmission & Distribution-- DC Systems-- (1989-) POWER TRANSMISSION AND DISTRIBUTION Reactive power Steady-state Voltage
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Zusammenfassung:	The author presents a novel screening method, involving a local DC solution, for branch flow limit violations (overloads) which, when incorporated with a performance index (PI) method, can greatly enhance the selection capabilities for online as well as study purposes. The local DC screening method and PI method are compared to results obtained from a full-system DC load flow assessment of two cases: a 24-bus system and a 584-bus representation of the Mid-Continent Area Power Pool system. The results indicate that, when these two methods are combined, excellent contingency selection capabilities are produced. The philosophy for this implementation and the details needed to implement the local DC screening method are presented.< >
ISSN:	0885-8950 1558-0679
DOI:	10.1109/59.14542