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Distributed generation in distribution network. Pluridisciplinary modeling for the control of sources

Abstract : The introduction of the new type of renewable sources of energy into the distribution networks involves new phenomena that are necessary to study in detail. Simplified modelling used in the simulation software for wide-area networks are initially presented thanks to the Causal Ordering Graph. Simplified methodology is then proposed for new generators connected to the electrical network via power electronic converters. A generic approach for the modelling and the control of the distributed sources is then proposed. We propose a classification of this type of sources in dynamic ones characterized by a cinematic transmission in the generation and static ones where nothing is moving. In each case, we present a general modelling approach based on energy considerations in order to deduce the fundamental control law principles. This approach is then illustrated on the examples of gas micro turbines, fuel cells and photovoltaic systems. We present then two applications of networks dynamics studies. First the problematic of the voltage regulation at the point of common connection of a distributed source is analysed. The main means for voltage regulation used in the distribution networks are listed. The first one is focusing on reactive power. If this one is not sufficient it may be necessary to limit also the active power delivered by the electrical sources. An optimized algorithm of voltage regulation based on both principles is presented. The second example of application is relative to a real time simulation of a micro turbine connected to a Low Voltage electrical network. The control law is tested on an external real-time board and several tests are made to evaluate the behaviour during a short-circuit sequence.
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https://pastel.archives-ouvertes.fr/pastel-00001475
Contributor : Ecole Arts Et Métiers Paristech <>
Submitted on : Thursday, December 1, 2005 - 8:00:00 AM
Last modification on : Thursday, December 1, 2005 - 8:00:00 AM
Long-term archiving on: : Thursday, September 30, 2010 - 7:03:39 PM

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Emmanuel Florin Mogos. Distributed generation in distribution network. Pluridisciplinary modeling for the control of sources. Engineering Sciences [physics]. Arts et Métiers ParisTech, 2005. English. ⟨NNT : 2005 ENAM0014⟩. ⟨pastel-00001475⟩

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