Artificial-intelligence method for the derivation of generic aggregated dynamic equivalent models

Eleftherios O. Kontis, Theofilos A. Papadopoulos, Mazheruddin H. Syed, Efren Guillo-Sansano, Graeme M. Burt, Grigoris K. Papagiannis

Research output: Contribution to journalArticle

Abstract

Aggregated equivalent models for the dynamic analysis of active distribution networks (ADNs) can be efficiently developed using dynamic responses recorded through field measurements. However, equivalent model parameters are highly affected from the time-varying composition of power system loads and the stochastic behavior of distributed generators. Thus, equivalent models, developed through in-situ measurements, are valid only for the operating conditions from which they have been derived. To overcome this issue, in this paper, a new method is proposed for the derivation of generic aggregated dynamic equivalent models, i.e., for equivalent models which can be used for the dynamic analysis of a wide range of network conditions. The method incorporates clustering and artificial neural network techniques to derive robust sets of parameters for a variable-order dynamic equivalent model. The effectiveness of the proposed method is evaluated using measurements recorded on a laboratory-scale ADN, while its performance is compared with a conventional technique. The corresponding results reveal the applicability of the proposed approach for the analysis and simulation of a wide range of distinct network conditions.
LanguageEnglish
Pages1-9
Number of pages9
JournalIEEE Transactions on Power Systems
Early online date21 Jan 2019
DOIs
Publication statusE-pub ahead of print - 21 Jan 2019

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Artificial intelligence
Electric power distribution
Dynamic analysis
Dynamic response
Neural networks
Chemical analysis

Keywords

  • artificial neural networks
  • black-box modeling
  • clustering
  • dynamic modeling
  • measurement-based approach

Cite this

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title = "Artificial-intelligence method for the derivation of generic aggregated dynamic equivalent models",
abstract = "Aggregated equivalent models for the dynamic analysis of active distribution networks (ADNs) can be efficiently developed using dynamic responses recorded through field measurements. However, equivalent model parameters are highly affected from the time-varying composition of power system loads and the stochastic behavior of distributed generators. Thus, equivalent models, developed through in-situ measurements, are valid only for the operating conditions from which they have been derived. To overcome this issue, in this paper, a new method is proposed for the derivation of generic aggregated dynamic equivalent models, i.e., for equivalent models which can be used for the dynamic analysis of a wide range of network conditions. The method incorporates clustering and artificial neural network techniques to derive robust sets of parameters for a variable-order dynamic equivalent model. The effectiveness of the proposed method is evaluated using measurements recorded on a laboratory-scale ADN, while its performance is compared with a conventional technique. The corresponding results reveal the applicability of the proposed approach for the analysis and simulation of a wide range of distinct network conditions.",
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Artificial-intelligence method for the derivation of generic aggregated dynamic equivalent models. / Kontis, Eleftherios O.; Papadopoulos, Theofilos A.; Syed, Mazheruddin H.; Guillo-Sansano, Efren; Burt, Graeme M.; Papagiannis, Grigoris K.

In: IEEE Transactions on Power Systems, 21.01.2019, p. 1-9.

Research output: Contribution to journalArticle

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AU - Burt, Graeme M.

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