Searched for: collection%3Air
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Idema, R. (author), Papaefthymiou, G. (author), Lahaye, D.J.P. (author), Vuik, C. (author), Van der Sluis, L. (author)
Current and future developments in the power system industry demand fast power flow solvers for larger power flow problems. The established methods are no longer viable for such problems, as they are not scalable in the problem size. In this paper, the use of Newton-Krylov power flow methods is proposed, and a multitude of preconditioning...
report 2012
document
Idema, R. (author), Lahaye, D.J.P. (author), Vuik, C. (author)
The inexact Newton method is widely used to solve systems of non-linear equations. It is well-known that forcing terms should be chosen relatively large at the start of the process, and be made smaller during the iteration process. This paper explores the mechanics behind this behavior theoretically using a simplified problem, and presents...
report 2011
document
Idema, R. (author), Lahaye, D.J.P. (author), Vuik, C. (author), Van der Sluis, L. (author)
The power flow problem is generally solved by the Newton-Raphson method with a sparse direct solver for the linear system of equations in each iteration. While this works fine for small power flow problems, we will show that for very large problems the direct solver is very slow and we present alternatives that scale much better in the problem...
report 2010
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Idema, R. (author), Lahaye, D.J.P. (author), Vuik, C. (author)
report 2009
document
Idema, R. (author), Vuik, C. (author)
report 2007
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