Title :
Test method for transformer differential relays based on symmetrical sequence components
Author :
Bonetti, Andrea ; Douib, Romain
Author_Institution :
STRI AB, Västerås, Sweden
Abstract :
In order to correctly apply transformer differential relay protection (87T), three compensations must be taken into consideration by the 87T relay, current magnitude compensation, phase angle compensation and the zero sequence current compensation.
Keywords :
compensation; differential transformers; power transformers; relays; transformer protection; compensations; relay technology; symmetrical sequence components; three-phase power transformers; transformer differential relay protection; Joining processes; Performance evaluation; Power engineering and energy; Power transformers; Protection; Protective relaying; Relays; Software performance; Software testing; Solid state circuits; Relay testing; Sequence components; Transformer differential protection;
Conference_Titel :
Electrical Insulation (ISEI), Conference Record of the 2010 IEEE International Symposium on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-6298-8
DOI :
10.1109/ELINSL.2010.5549799