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01399 am a22001453u 4500 |
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143638 |
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|a Gruosso, Giambattista
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|a Daniel, Luca
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|a Maffezzoni, Paolo
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|a Piece-Wise Linear (PWL) Probabilistic Analysis of Power Grid with High Penetration PV Integration
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|b Multidisciplinary Digital Publishing Institute,
|c 2022-07-11T14:39:30Z.
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|z Get fulltext
|u https://hdl.handle.net/1721.1/143638
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|a This paper aims at presenting a novel effective approach to probabilistic analysis of distribution power grid with high penetration of PV sources. The novel method adopts a Gaussian Mixture Model for reproducing the uncertainty of correlated PV sources along with a piece-wise-linear approximation of the voltage-power relationship established by load flow problem. The method allows the handling of scenarios with a large number of uncertain PV sources in an efficient yet accurate way. A distinctive feature of the proposed probabilistic analysis is that of directly providing, in closed-form, the joint probability distribution of the set of observable variables of interest. From such a comprehensive statistical representation, remarkable information about grid uncertainty can be deduced. This includes the probability of violating the safe operation conditions as a function of PV penetration.
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