Article | Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany | Use of Modelica language to model an MV compensated electrical network and its protection equipment : comparison with EMTP Linköping University Electronic Press Conference Proceedings
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Title:
Use of Modelica language to model an MV compensated electrical network and its protection equipment : comparison with EMTP
Author:
Oliver Chilard: EDF Research and Development, France Jean-Philippe Tavella: EDF Research and Development, France Olivier Devaux: EDF Research and Development, France
DOI:
10.3384/ecp11063406
Download:
Full text (pdf)
Year:
2011
Conference:
Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany
Issue:
063
Article no.:
044
Pages:
406-413
No. of pages:
8
Publication type:
Abstract and Fulltext
Published:
2011-06-30
ISBN:
978-91-7393-096-3
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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Today; neutral compensation based on Petersen coils is being applied in many MV electrical networks. The main reasons for this are :

  • an important expansion of the underground net-work in rural environment. This leads to high phase-to-ground capacities of the outgoing feeders; which increases fault currents in networks using impedant grounding;
  • an increased sensitivity of the customers to the quality of supply;
  • changes in international standards (insulation coordination).

The introduction of arc suppression Petersen coils allows both to reduce the current in single phase-to-ground faults and to improve the quality of supply by reducing short supply disconnection.

Adapting this solution to the existing networks made it necessary to change the protection system; by using zero sequence wattmetric relays.

The feedbacks of the zero sequence wattmetric relays operating today show the need of an evolution of this protection equipment specifications. To address this need; EDF R&D has investigated the use of Modelica language for the electrical system modeling.

At first the relevance of Modelica language for electrical systems modeling has been studied. This work was made from a comparison of simulation results with those traditionally obtained with EMTP software; normally used by EDF R&D. This paper details this approach and underlines the interest of Modelica for the electrical network fields. The next step will be the use of the ModelicaML profile in order to establish a new version of the protection system specification.

Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany

Author:
Oliver Chilard, Jean-Philippe Tavella, Olivier Devaux
Title:
Use of Modelica language to model an MV compensated electrical network and its protection equipment : comparison with EMTP
DOI:
http://dx.doi.org/10.3384/ecp11063406
References:

[1] Spécification Technique EDF HN 45-S-54 Régime de neutre compensé - Spécification de la Protection Watt-métrique Homopolaire

[2] http://www.openmodelica.org/index.php/developer/tools/134 ModelicaML - a UML profile for Modelica

[3] http://www.emtp.com/ EMTP-RV - Computational Engine

[4] Principles of Object-Oriented Modeling and Simulation with Modelica 2.1 Peter Fritzson

Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany

Author:
Oliver Chilard, Jean-Philippe Tavella, Olivier Devaux
Title:
Use of Modelica language to model an MV compensated electrical network and its protection equipment : comparison with EMTP
DOI:
https://doi.org10.3384/ecp11063406
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