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 issue30ADVANCES AND STRATEGIES TO IMPROVE THE PERFORMANCE OF BIODIESEL IN DIESEL ENGINEMONTE CARLO SIMULATION OF UNCONTROLLED ELECTRIC VEHICLE CHARGING IMPACT ON DISTRIBUTED GENERATION author indexsubject indexarticles search
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Ingenius. Revista de Ciencia y Tecnología

On-line version ISSN 1390-860XPrint version ISSN 1390-650X

Abstract

VELASCO, M. F; MALIZA PALADINES, Génesis  and  VACA-URBANO, Fernando. METHODOLOGICAL PROPOSAL FOR DISTANCE PROTECTION IN TRANSMISSION LINES FOR INTEGRATION OF NON-CONVENTIONAL RENEWABLE ENERGIES. Ingenius [online]. 2023, n.30, pp.106-119. ISSN 1390-860X.  https://doi.org/10.17163/ings.n30.2023.09.

This paper presents a methodology to adjust the distance protection (ANSI-21) in power systems integrating non-conventional renewable energies (NCRE). The modified IEEE 9-bar New England system is used as a case study, with a wind farm comprising 33 wind turbines of 2.5 MW and control systems validated according to international standards, such as IEC60909-2016. A fault resistance value calculated using the Warrintong method is considered. The proposed settings are simulated using Digsilent Power Factory® software and a Siemens 7SA522 relay with quadrilateral characteristics. The methodology uses voltage and current data from the instrumentation transformers to calculate the line impedance up to the fault point. The proposed adaptive method demonstrates positive performance under different short-circuit scenarios, where the generating set’s fault location, fault resistance, and power fluctuations vary. This indicates that the relay operates in the appropriate protection zone effectively.

Keywords : Distance protection; adaptive relay; adaptive quadratic characteristic; wind farms; fault resistance; inverter-based sources..

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