Improved contingency measures for operation and planning applications

Three new contingency measures are proposed and tested based on a large power system peak load base case. The Type II contingency measure is zero for all noncritical contingencies, has no misclassification or false alarm problems, and ranks contingencies according to their largest thermal limit viol...

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Bibliographic Details
Published in:IEEE transactions on power systems 1989-11, Vol.4 (4), p.1430-1437
Main Authors: Schlueter, R.A., Sekerke, J.E., Burnett, K.L., Costi, A.G.
Format: Article
Language:English
Subjects:
296000 - Energy Planning & Policy- Electric Power
990200 - Mathematics & Computers
Applied sciences
COMPUTER CODES
Electrical engineering. Electrical power engineering
Electrical power engineering
ENERGY PLANNING, POLICY AND ECONOMY
ENERGY SYSTEMS
EPRI
Exact sciences and technology
GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
LOAD MANAGEMENT
MANAGEMENT
OPERATION
Operation. Load control. Reliability
Packaging
Particle measurements
Performance evaluation
PLANNING
Power networks and lines
Power system planning
POWER SYSTEMS
Production
Security
Software packages
System testing
Voltage
Weight measurement
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Summary:Three new contingency measures are proposed and tested based on a large power system peak load base case. The Type II contingency measure is zero for all noncritical contingencies, has no misclassification or false alarm problems, and ranks contingencies according to their largest thermal limit violation. It should be used when operating conditions are known exactly. The Type III contingency measure has very small or zero contingency measure for noncritical contingencies, has no perceptible misclassification or false alarm problems, and appears to rank contingencies by their worst thermal limit violation. The Type III contingency measure is very useful for selecting contingencies where the precise operating conditions are unknown. A Type IV contingency measure sets branch weights to zero on all branches that do not experience thermal overloads for a set of contingencies. The Type IV contingency measure is useful for selecting single contingencies that when taken in combination could produce critical multiple contingencies.< >
ISSN:0885-8950
1558-0679
DOI:10.1109/59.41694