Power cable termination structure

The present invention provides a power cable termination structure which mitigates stress associated with expansion and contraction of a power cable due to heat and the like, which mitigates an electric field at the termination of the power cable, and with which leakage of an insulating fluid from a...

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Bibliographic Details
Main Authors SHIGEMORI, NAOTO, MORI, HIROKI, TOMITA, YUDAI
Format Patent
LanguageChinese
English
Published 01.11.2023
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES
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Summary:The present invention provides a power cable termination structure which mitigates stress associated with expansion and contraction of a power cable due to heat and the like, which mitigates an electric field at the termination of the power cable, and with which leakage of an insulating fluid from an insulator tube does not readily occur. A termination structure 1 of a power cable 2 comprises: an insulator tube 3 which accommodates a termination 20 of the power cable 2 and which is filled internally with an insulating fluid; a metal lower flange 4 with a through-hole 40 into which the termination 20 is inserted; a metal cylinder 5 that can slidably move with respect to the lower flange 4 in response to expansion or contraction of the power cable 2 with the through-hole 40 being in a sealed state; a sealing structure 6 sealing a top part 5a of the metal cylinder 5 and a stripped portion of an outer semiconducting layer 23; a buffer layer 7 covering the stripped portion of the outer semiconducting layer 23, the
Bibliography:Application Number: TW202312112290