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Probabilistic guarantees for the N-1 security of systems with wind power generation

Author(s):

M. Vrakopoulou, K. Margellos, J. Lygeros, G. Andersson
Conference/Journal:

Probabilistic Methods Applied to Power Systems (PMAPS), Istanbul, Turkey
Abstract:

This paper proposes a novel framework for designing a N-1 secure generation day-ahead dispatch for power systems with a high penetration of fluctuating power sources, e.g. wind or PV power. To achieve this, we integrate the security constraints in a DC optimal power flow optimization and formulate a stochastic program with chance constraints, which encode the probability of satisfying the transmission capacity constraints of the lines. To solve the resulting problem numerically, we transform the initial problem to a tractable one by using the so called scenario approach, which is based on sampling the uncertain parameter (in this paper the wind power) while keeping the desired probabilistic guarantees. To generate wind power scenarios a Markov chain based model is employed. To illustrate the effectiveness of the proposed technique we apply it to the IEEE 30-bus network, and compare it with the solution of a deterministic variant of the problem, where the operator determines a secure generation dispatch based only on the available wind power forecast. A Monte-Carlo simulation study is conducted to collect statistical results regarding the performance of our method.

Year:

2012
Type of Publication:

(01)Article
Supervisor:



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% Autogenerated BibTeX entry
@Article { VraEtal:2012:IFA_4027,
    author={M. Vrakopoulou and K. Margellos and J. Lygeros and G. Andersson},
    title={{Probabilistic guarantees for the N-1 security of systems
	  with wind power generation}},
    journal={NONE},
    year={2012},
    volume={},
    number={},
    pages={},
    month=jun,
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=4027}
}
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