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Aggregated Dynamic Equivalent of a Distribution System hosting Inverter-based Generators
Chaspierre, Gilles; Panciatici, Patrick; Van Cutsem, Thierry
2018In Proceedings of the 20th Power Systems Computation Conference
Peer reviewed
 

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Keywords :
Active distribution network; short-term dynamics; dynamic equivalent; inverter-based generation; dynamic load model
Abstract :
[en] An equivalent, i.e. a reduced-order model, of active distribution networks is derived, for use in (phasor-mode) dynamic simulations of large-disturbances. In the unreduced model, the network hosts a large number of inverter-based generators, responding to the disturbances in accordance with recent or near-future grid codes. The aggregated equivalent is of the “grey-box” type and its parameters are tuned in the least-square sense to match the dynamic responses of the unreduced system to several training disturbances. Changes in operating point are easily reflected when initializing the reduced model. Simulations are reported on a detailed 75-bus distribution system. The accuracy of the equivalent has been checked with respect to untrained disturbances and changes of the operating point.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Chaspierre, Gilles ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Panciatici, Patrick
Van Cutsem, Thierry  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Language :
English
Title :
Aggregated Dynamic Equivalent of a Distribution System hosting Inverter-based Generators
Publication date :
2018
Event name :
20th Power Systems Computation Conference
Event place :
Dublin, Ireland
Event date :
du 10 au 15 juin 2018
Audience :
International
Main work title :
Proceedings of the 20th Power Systems Computation Conference
ISBN/EAN :
978-191096310-4
Peer reviewed :
Peer reviewed
Additional URL :
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
RTE Research and Development Dept.
Available on ORBi :
since 22 March 2018

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