Data alignment method, differential protector and differential protection system

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United States of America Patent

PATENT NO 12062903
APP PUB NO 20230246438A1
SERIAL NO

18099999

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided are a data alignment method, a differential protector, and a differential protection system. The data alignment method comprises: obtaining first sampled current data from a first sampling device; receiving a second message from a second differential protector, the second message comprising second sampled current data and its sampling time stamp, first time information of the second differential protector related to a difference in time of reception from receipt of the first message to a second time node, and second time information of the second differential protector related to a second transmission processing delay from the second time node to transmission of the second message; when time synchronization is maintained, calculating and storing a time calculation deviation between a third time node and a first calculated value of the second time node; when time synchronization is lost, determining the third time node according to the stored time calculation deviation.

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Patent Owner(s)

Patent OwnerAddress
SCHNEIDER ELECTRIC INDUSTRIES SAS35 RUE JOSEPH MONIER RUEIL-MALMAISON 92500

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gao, Yansong Shanghai, CN 3 0
Liang, Xuedi Shanghai, CN 2 0
Wei, Yong Shanghai, CN 59 342
Young, Ian Ingleburn, AU 119 1454

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