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A comparative between IEEE and EN in the transformer derating when supplying nonsinusoidal load current. A practical case

Abstract: Nowadays, power quality is a challenge for the distribution companies since the new energy policies are directed to a distributed generation system with power electronic based technologies. The reduction of distribution transformers capability when supplying nonsinusoidal load currents has a major impact within capacity reduction in distribution networks produced by technical losses. IEEE Std C57.110-2018, EN- 50464-3 and EN-50541-2 define procedures to derate transformers when supplying nonsinusoidal load currents. The aim of this paper is to compare these procedures through a real case distribution transformer that suffers problems due to high levels of current distortion.

Other conference communications or articles related to authors from the University of Cantabria

 Authorship: Laso A., Martínez R., Manana M., Cervero D., Sáez J.A.,

 Congress: International Conference on Renewable Energies and Power Quality: ICREPQ (18ª : 2020 : Granada)

 Publisher: The European Association for the Development of Renewable Energies, Environment and Power Quality (EA4EPQ)

 Publication date: 01/06/2020

 No. of pages: 6

 Publication type: Conference object

 DOI: 10.24084/repqj18.487

 ISSN: 2172-038X

 Spanish project: RTC-2017-6782-3

 European project: info:eu-repo/grantAgreement/EC/H2020/864579/EU/Interoperable solutions for implementing holistic FLEXIbility services in the distribution GRID/FLEXIGRID/