Analysis of Power System Reliability Considering Protection Failures
Author(s):
Ronita Pawn
Keywords:
Power system, Reliability, Protection systems, Cascading.
Abstract
This paper describes evaluation of power system reliability including failures of protection system. A protection reliability model system is modified including two major protection failure modes is entrenched. The main cause of cascading outages is Protection system failure.The mechanism and scheme of protection system have been eveluated on their contribution to the cascading outages after a fault occurs. To implement the stochastic properties of component contingency and protection system failure Nonsequential simulation approach is used. The procedure is authenticated in the IEEE-9 bus system. BIP (Bus Isolation Probability), LOLP (Loss of Load Probability), and LOEE (Loss of Expected Energy) are calculated to exhibit the susceptibility of a power system under cascading outages.
Article Details
Unique Paper ID: 149134

Publication Volume & Issue: Volume 6, Issue 11

Page(s): 58 - 62
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