POWER TRANSMISSION LINE PIPELINE AND GAS INSULATING LINE

WIPO Patent Application WO/2020/114265

A1

A power transmission line pipeline and a gas insulating line, the power transmission line pipeline comprising: three sub-pipelines that are sequentially insulatedly connected, each sub-pipeline comprising a metal case (140); and both ends of the power transmission line pipeline are grounded. In addition, the gas insulating line comprises several connected pipeline units (100), each pipeline unit (100) comprising an A-phase pipeline (110), a B-phase pipeline (120), and a C-phase pipeline (130), wherein three sets of intersectingly interconnected electrical circuits comprising A-phase sub-pipelines (112, 114, 116), B-phase sub-pipelines (122, 124, 126), and C-phase sub-pipelines (132, 134, 136) are formed between the three phases of pipelines. The gas insulating line interconnects three metal cases (140) having different phases and forms an electrical circuit with the ground, which may substantially offset induced electromotive force generated by the entire electrical circuit, reduce to a great extent induced current generated in the electrical circuit, reduce to a great extent heat generation by the metal cases, lower transformation loss, improve the safe operation of equipment, and improve the economic efficiency of a transformation system.

MA BIN (CN)
LIU CHAO (CN)
ZHOU SHUCHEN (CN)
YU JIE (CN)

PCT/CN2019/120225

June 11, 2020

November 22, 2019

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JIANGSU SHEMAR ELECTRIC CO LTD (CN)

H02G9/06

CN109449861A	2019-03-08
CN209419178U	2019-09-20
CN109449862A	2019-03-08
CN209419177U	2019-09-20
CN104052011A	2014-09-17
CN103795017A	2014-05-14
CN106877267A	2017-06-20
JP2014207742A	2014-10-30

ADVANCE CHINA IP LAW OFFICE (CN)

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