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The increasing load demand is pushing power system to operate near its limit, making it more vulnerable to various disturbances and attacks, especially those that might initiate cascading failures. In this study, the joint line-generation attack is introduced which assumes that the lines and generators can be tripped by malicious attacks simultaneously, and it is a natural extension of the previous...
Due to the increasing integration of renewable resources and the deployment of energy storage units at the power distribution level, conventional deterministic approaches may not be suitable or effective for evaluating the reliability of active distribution networks anymore. This paper proposes a new method to evaluate the active distribution system reliability including microgrid and energy storage...
Due to the increasing power demand and the aging equipment, the electric power grid is faced with pressing challenges for maintaining its power supply reliability in an efficient and economical manner. Network topology optimization (NTO) is a promising, cost-effective method to improve the operational flexibility and the overall reliability of power systems. In this study, NTO is incorporated into...
An improved fuzzy adaptive PID controller is proposed in the paper, in which the count of fuzzy quantity can be increased according to the practical situation. During operation period, the improved fuzzy adaptive PID controller can amend PID coefficients automatically to enhance dynamic characteristic of electronic speed governor according to gasoline engine speed change each stage in the transition...
Power flow tracing has been received more attention in recent years due to the situation of deregulation and open access in power industry. It is usually required to calculate the power transfers from individual generators to loads and branches, shares of each load and generation in branch flows. This paper proposes a novel power flow tracing technique using a directed path from buses to buses, which...
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