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Peculiarities of the relays intended for operating trip coils of the high-voltage circuit breakers

By Gurevich Vladimir


Parameters of the subminiature electromagnetic relays used as output elements in microprocessor relay protection, do not correspond to technical specifications on these relay protection. The reasons of this discrepancy are analyzed. Contradictions and discrepancies of the international standards in this area are considered. It is shown, that absence of clearness in standards and mistakes in technical specifications of manufacturers of microprocessor protection do not allow estimating correctly technical parameters and lead to decrease in reliability of relay protection

Topics: Electrical engineering. Electronics. Nuclear engineering, TK1-9971
Publisher: Faculty of Technical Sciences in Cacak
Year: 2007
DOI identifier: 10.2298/SJEE0702223G
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