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Sequence of failures that aggravates catastrophic events of a power system has attracted a great number of researchers’ attention in exploring and analyzing its enormous losses to the society and economy of a country. Power system cascading collapse is an event in which failure of an electrical component such as transmission line or generator leads to sequence of failures in other equipment. This...
Protection system plays an important function in maintaining the stability and reliability of the electric power grid. However, most of the major blackouts happened throughout the world has identified that hidden failure of a protection system is one of the major causes of system cascading failure. This paper proposes a computationally systematic approach to assess the impact of protection system...
Protection system hidden failure was identified as one of the main causes of cascading failure. However, in the current practice of power system analysis, protection system is assumed to be perfect and the impact of hidden failures of a protection system is neglected. This paper proposes a systematically accurate technique to evaluate the impact of protection system hidden failures to the probability...
Disturbance to the electric power system often occurs with different impact. Those power system disturbances cannot be avoided but it can be mitigated by having a premeditated action which refers to the risk assessment. This paper presents the bootstrap technique that used to assess the risk of a power system at every uncertainty level of system states and load variations. In addition, the risk based...
There are various approach used to prevent from the occurrence of power system blackout in order to ensure the sustainability and efficiency of energy supply. Generally, power system blackout can be mitigated by referring to the risk assessment of a power system. This paper presents the risk assessment of a power system performed by using the proposed bootstrap technique and the fuzzy set technique...
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