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In this paper a hybrid multi agent system approach for fast power restoration in power distribution systems is presented. Hybrid structure of MAS provides the capability of solving the restoration problem with taking the advantages of both centralized and distributed agent structures. Bottom-up order of agents constructing the MAS is zone agents, feeder and substation agents. In this architecture,...
This paper shows the influence of the load modeling in the behavior of voltage (V), current (I) and impedance (Z) measurements during pre-fault and fault steady states of power distribution systems. The test system is the 24.9 kV IEEE 34 nodes power distribution system, modeled by ATP software, considering load models as constant impedance, constant current, constant power and hybrid load composed...
In case of a power system disturbance, main focus of the utility is to keep the duration of the interruption as short as possible. This requires fast identification of the fault location, isolation of the defected components and power supply restoration. To achieve the goal “fast and accurate fault location”, distributed fault recordings can be used. Measurements can be retrieved from substation,...
The fault location in power distribution can be affected by the lack of knowledge about the state of the load on the system. However, there is still no certainty about the impact that really has the loads models. This paper aims to show the effect of load model on the fault location in distribution systems, taking a circuital analysis based fault locator and change the model from constant impedance...
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