2004
DOI: 10.5540/tema.2004.05.01.0027
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Power Flow with Load Uncertainty

Abstract: Abstract. This paper presents a methodology to solve load flow problems in which the load data are uncertain due to measurement errors. In order to deal with those uncertainties we apply techniques of Interval Mathematics. The algorithm uses the Interval Newton's method to solve the nonlinear system of equations generated by the problem. The implementation was performed in the Matlab environment using the Intlab toolbox. In order to assess the performance of the proposed algorithm, the method was applied to hy… Show more

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Cited by 12 publications
(4 citation statements)
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“…A matemática intervalar tem sido muito utilizada para representar dados incertos e/ou valores qualitativos, seja na computação científica e tecnológica, assim como em inteligência artificial, processamento digital de imagens, entre outros [1,3,14]. Assim, a matemática intervalar aliada com a teoria fuzzy permite, em princípio, tratar tanto com a incerteza quanto com a imprecisão, seja no controle automático do erro computacional, tratando da imprecisão dos valores de entrada ou nos erros de arredondamento e/ou truncamento causados durante o processamento computacional [21,6,11,19,10].…”
Section: Introductionunclassified
“…A matemática intervalar tem sido muito utilizada para representar dados incertos e/ou valores qualitativos, seja na computação científica e tecnológica, assim como em inteligência artificial, processamento digital de imagens, entre outros [1,3,14]. Assim, a matemática intervalar aliada com a teoria fuzzy permite, em princípio, tratar tanto com a incerteza quanto com a imprecisão, seja no controle automático do erro computacional, tratando da imprecisão dos valores de entrada ou nos erros de arredondamento e/ou truncamento causados durante o processamento computacional [21,6,11,19,10].…”
Section: Introductionunclassified
“…But in real life system load need not be fixed it may be varied with certain tolerance. In this case 5% tolerance is assumed and conventional NR load flow method is replaced with interval arithmetic based NR load flow method [40]. In order to test the performance of proposed hybrid algorithm (MDE) which was identified as best one in case 1is applied to solve the OPF problem considering load uncertainty.…”
Section: Case 2: Fuel Cost Minimization With Load Uncertaintymentioning
confidence: 99%
“…Moore's arithmetic is accepted as the standard approach and is called standard interval arithmetic (SIA). Interval analysis has been applied in several areas, like electrical power systems [17], mechanical engineering [18], chemical engineering [19], artificial intelligence [20], multi-agent systems [21], and geophysics [22].…”
Section: Introductionmentioning
confidence: 99%