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This paper is intended to introduce the project Energy4Growing that aims at studying and setting up a hybrid micro-grid to supply power to a school in rural Tanzania. It describes the results of the early project actions which concerned in: (i) analysing the actual school power supply system through locally metered data; (ii) developing the first step of a new electro-mechanical model which addresses...
The paper presents the current state of art of a developed smart Distribution Management System (DMS) environment based on the innovative SCADA systems. The tool is designed to intelligently manage, on-line and off-line, the distribution systems with a high penetration of dispersed generation and is particularly adapted to the specifics of the distribution systems in Italy. The work results from the...
Hosting Capacity (HC) of distribution grids represents the maximum level of Distributed Generation (DG) which can be connected at each bus, taking into account technical requirements, in order to guarantee a reliable and secure operation of the system, compliant with the power quality prescriptions. Though HC is usually related to active users, nevertheless, in the perspective of distribution system...
The Hierarchical Voltage Control has recently become an important alternative to the traditional voltage control solutions. This paper deals with the computation of an optimal profile for the pilot bus voltages using different optimization strategies. For this purpose, the mathematical model of the optimization problem was studied considering two issues: i) defining the constraints of the optimization...
Usually, the main purpose of optimal reactive power flow (ORPF) programs is to minimize the total power losses of a network, maintaining the voltage profile within an acceptable range. This model was adopted by almost all the vertically integrated utilities. Nowadays, in the liberalized environment, a new ORPF formulation, aimed at an explicit maximization of the system security, is more suitable...
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