Title :
Contingency ranking for on-line voltage stability assessment
Author :
Jia, Zhihong ; Jeyasurya, B.
Author_Institution :
Fac. of Eng., Memorial Univ. of Newfoundland, St. John´´s, Nfld., Canada
fDate :
8/1/2000 12:00:00 AM
Abstract :
Voltage stability has become a challenging problem for many power systems. Contingency screening and ranking (CS&R) is one of the important components of on-line voltage stability assessment. The objective of CS&R is to quickly and accurately select a short list of critical contingencies from a large list of potential contingencies and rank them according to their severity. Suitable preventive control actions can be implemented considering contingencies that are likely to affect the power system performance. An effective method for contingency ranking is proposed in this paper. This method calculates the voltage stability margin considering branch outages. Test results based on the IEEE 300 bus power system, a 600 bus power system as well as two utility systems (197 bus and 1254 bus) are presented
Keywords :
power system control; power system dynamic stability; 1254 bus system; 197 bus system; 600 bus power system; IEEE 300 bus power system; branch outages; contingency ranking; contingency screening; on-line voltage stability assessment; preventive control; voltage stability margin; Control systems; Power system control; Power system faults; Power system interconnection; Power system modeling; Power system security; Power system stability; Power system transients; Power systems; Voltage;
Journal_Title :
Power Systems, IEEE Transactions on
