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The performance evaluation of distribution network operators is essential for the electrical utilities to know how prepared the operators are to execute their operation standards and rules, searching for minimizing the time of power outage, after some contingency. The performance of operators can be evaluated by the impact of their actions on several technical and economic indicators of the distribution...
With the advent of smart grids, the volume of data from metering and information about consumers to be storaged and analysed by the distribution companies will be very large, mainly due to the use of advanced metering infrastructure and digital meters with automatic readers. This new scenario has stimulated these companies to develop intelligent computing systems which can handle data and information...
This paper presents a methodology to define the trading policy of an energy generation agent. The proposed approach uses stochastic programming to represent the uncertainty related to the short-term price fluctuation. The aim of the model (based on possible prices) is to identify the composition of an optimum portfolio in accordance with the decision-maker risk perception. The most important contribution...
This paper proposes an intelligent system for solving the fault diagnosis problem in electrical power transmission system, involving substation equipments and transmission lines. The proposed methodology is based on Bayesian Networks and this paper is focusing only on the failures related to transmission lines. The fault diagnosis in power transmission systems is a complex problem and its solution...
In the new competitive environment of the electricity market, risk analysis is a powerful tool to guide investors under both contract uncertainties and energy prices of the spot market. Methodologies that allow what-if analysis involving simulation of spot price scenarios and energy contract's performance evaluation, are important to the decision maker and in particular to the trader, in order to...
In the new competitive environment of the electricity market, risk analysis is a powerful tool to guide investors under both contract uncertainties and energy prices of the spot market. Moreover, simulation of spot price scenarios and evaluation of energy contracts performance, are also necessary to the decision maker, and in particular to the trader to foresee opportunities and possible threats in...
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