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Selective Protection Against Ground Faults in the Stator of Multiple Generators Connected in Parallel

Over the years, several methods of protection against ground faults in the stators of synchronous generators have been developed. However, only recently has a method been proposed capable of guaranteeing protection system selectivity in scenarios involving the operation of multiple generators connec...

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Main Authors:	Maciel, Leonardo P. R., Guerrero, Carlos A. V., Da Silveira, Paulo M., Johnson, Brian K., Bainy, Romulo G.
Format:	Conference Proceeding
Language:	English
Subjects:	100% Stator Protection Generators Harmonic analysis Impedance Parallelism of Generators Performance evaluation Phase-ground Faults Protection Real-time systems Reliability Selective Generator Protection System Stator windings Synchronous generators Voltage measurement
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creator	Maciel, Leonardo P. R. Guerrero, Carlos A. V. Da Silveira, Paulo M. Johnson, Brian K. Bainy, Romulo G.
description	Over the years, several methods of protection against ground faults in the stators of synchronous generators have been developed. However, only recently has a method been proposed capable of guaranteeing protection system selectivity in scenarios involving the operation of multiple generators connected in parallel to the same bus and individually grounded by high impedance. This method has only been proven through offline simulation. This work develops a test platform using a real-time simulation environment and evaluates that selective protection scheme against ground faults in the stator of synchronous generators. The results obtained allow us to conclude that the coverage and efficiency of the evaluated method are conditioned to the harmonic level present in each one of the generators sharing the same busbar.
doi_str_mv	10.1109/PESGM51994.2024.10688785
format	conference_proceeding
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identifier	EISSN: 1944-9933
ispartof	2024 IEEE Power & Energy Society General Meeting (PESGM), 2024, p.1-5
issn	1944-9933
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recordid	cdi_ieee_primary_10688785
source	IEEE Xplore All Conference Series
subjects	100% Stator Protection Generators Harmonic analysis Impedance Parallelism of Generators Performance evaluation Phase-ground Faults Protection Real-time systems Reliability Selective Generator Protection System Stator windings Synchronous generators Voltage measurement
title	Selective Protection Against Ground Faults in the Stator of Multiple Generators Connected in Parallel
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