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This paper presents a new methodology to perform the automatic reconfiguration of distribution networks incorporating distributed generation in normal operation. The power generation availability of wind turbines, solar photovoltaic panels and small hydropower are considered in the reconfiguration process. The real-time reconfiguration methodology is based on a heuristic method to determine the best...
The continuity of electric energy supply to consumers is a permanent objective of the power utilities, pursuing the development of technological solutions to improve the performance of restoring power in contingency conditions. The main purpose is to minimize the impact on the number of consumers affected and reduce the time required to restore the energy supply. In this way, the power utilities have...
This paper presents a heuristic method to solve the network reconfiguration problem in the presence of distributed generation (DG) in order to minimize energy losses and improve the performance indexes in distribution system. Topological reconfiguration corresponds to an important tool for planning and operation of electric power distribution systems. Considering the distribution operation planning,...
This paper proposes a new distribution network reconfiguration approach in normal operating conditions. The multivariables are considered such as the energy losses minimization of the primary network and two reliability indices. The selection strategy of network configuration is based on a heuristic method. The method considers only the automated equipment such as switches and remote controlled reclosers...
Topological reconfiguration is an important tool for the planning and operation of electric power distribution systems. Usually, the utilities can use multiple criteria regarding the observation of regulation policies and public awareness to drive the topological reconfiguration. Several researchers are looking for new optimization methods, as the complexity of this combinatorial issue is high in...
The parallelism of distribution networks can be used to transfer loads between feeders without the need of disconnection of consumers during the switching. In the context of the Smart Grids, the parallelism of feeders can be used in automatic reconfiguration of networks for the improvement of power quality and voltage levels, and reduction of energy losses. However, the switching for parallelism must...
This paper presents a complete solution for the automated irrigation of rice crops using water level sensors, remote supervision system (SCADA) and wireless communication (GPRS). The proposed system is tested in four irrigation areas of small scale (10m × 20m). Ultrasonic sensors are used to measure the water level in the field. The control of the crop conditions is done by a dedicated controller,...
Rice cropping farms are significant loads in power systems due to the large amount of electrical energy required by the irrigation system. In Brazil, power companies invest in research to improve energy efficiency of this type of load. This paper presents an automated irrigation system based on supervisory control (SCADA) and wireless communication. The main objective of the project is to monitor...
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