Pre-screening of single contingencies causing network topology changes

A multilevel contingency screening method is introduced to process large sets of candidate power system contingencies. The idea is to apply a series of increasingly more accurate and time-consuming algorithms so that each higher screening level processes a reduced set of candidates. A practical implementation of the method uses a fast prescreening step whose algorithm is based upon the local network solution concept. The method is designed to process contingencies whose effects can be localized, e.g. branch outages and bus section faults. The accuracy of the new algorithm is controlled via an automatically calculated small network adequacy ratio while its reliability is enhanced by the use of different contingency severity measures. >

[1]  V. Brandwajn,et al.  Efficient bounding method for linear contingency analysis , 1988 .

[2]  M. G. Lauby,et al.  Evaluation of a local DC load flow screening method for branch contingency selection of overloads , 1988 .

[3]  A. Bose,et al.  An adaptive pre-filter for the voltage contingency selection function , 1989, Conference Papers Power Industry Computer Application Conference.

[4]  William F. Tinney,et al.  Iterative Linear AC Power Flow Solution for Fast Approximate Outage Studies , 1972 .

[5]  John Zaborszky,et al.  Fast Contingency Evaluation Using Concentric Relaxation , 1980, IEEE Transactions on Power Apparatus and Systems.

[6]  A. Bose,et al.  Reactive Power Considerations in Automatic Contingency Selection , 1982, IEEE Transactions on Power Apparatus and Systems.

[7]  G. Ejebe,et al.  Automatic Contingency Selection , 1979, IEEE Transactions on Power Apparatus and Systems.

[8]  F.D. Galiana,et al.  Bound Estimates of the Severity of Line Outages in Power System Contingency Analysis and Ranking , 1984, IEEE Transactions on Power Apparatus and Systems.

[9]  W. F. Tinney,et al.  Sparse Vector Methods , 1985, IEEE Transactions on Power Apparatus and Systems.

[10]  V. Brandwajn,et al.  Complete Bounding Method for AC Contingency Screening , 1989, IEEE Power Engineering Review.

[11]  R. Bacher,et al.  Approximate sparse vector techniques for power network solutions , 1991, Conference Papers Power Industry Computer Application Conference.

[12]  O. Alsac,et al.  Fast Decoupled Load Flow , 1974 .

[13]  M. Lauby,et al.  Contingency Selection Of Branch Outage Causing Voltage Problems , 1983, IEEE Transactions on Power Apparatus and Systems.

[14]  R. Bacher,et al.  Faster Local Power Flow Solutions: The Zero Mismatch Approach , 1989, IEEE Power Engineering Review.

[15]  V. Brandwajn,et al.  CRITICAL REVIEW OF BRANCH CONTINGENCY SELECTION METHODS , 1989 .

[16]  G. C. Ejebe,et al.  Fast contingency screening and evaluation for voltage security analysis , 1988 .