Title:
POST INSULATOR AND DIRECT-CURRENT POWER TRANSMISSION EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2021/196562
Kind Code:
A1
Abstract:
A post insulator, comprising: an insulating post, comprising a first end and a second end opposite to each other; a high-voltage end grading ring connected to the first end of the insulating post, the insulating post being insulated from the high-voltage end grading ring; a ground end grading ring connected to the second end of the insulating post, the insulating post being insulated from the ground end grading ring; and a charge control ring provided on the outer surface of the insulating post, the charge control ring being insulated from the insulating post, and the charge control ring being configured to accumulate surface charges.
Inventors:
LU LICHENG (CN)
YAN FAQIANG (CN)
QI BO (CN)
CHONG ZHIYI (CN)
LI CHENGRONG (CN)
GUO ZHIJUN (CN)
YANG XIAO (CN)
DING YANXIA (CN)
YAN FAQIANG (CN)
QI BO (CN)
CHONG ZHIYI (CN)
LI CHENGRONG (CN)
GUO ZHIJUN (CN)
YANG XIAO (CN)
DING YANXIA (CN)
Application Number:
PCT/CN2020/120849
Publication Date:
October 07, 2021
Filing Date:
October 14, 2020
Export Citation:
Assignee:
STATE GRID CORP CHINA (CN)
SINOMA ADVANCED MAT CO LTD (CN)
UNIV NORTH CHINA ELECTRIC POWER (CN)
SINOMA JIANGXI INSULATOR AND ELECTRICITY CO LTD (CN)
SINOMA ADVANCED MAT CO LTD (CN)
UNIV NORTH CHINA ELECTRIC POWER (CN)
SINOMA JIANGXI INSULATOR AND ELECTRICITY CO LTD (CN)
International Classes:
H02G5/06; H01B17/42
Foreign References:
| CN111403128A | 2020-07-10 | |||
| CN201413748Y | 2010-02-24 | |||
| CN105149096A | 2015-12-16 | |||
| CN201707980U | 2011-01-12 | |||
| CN101529679A | 2009-09-09 | |||
| EP3096426A1 | 2016-11-23 | |||
| CN202010256071A | 2020-04-02 |
Other References:
See also references of EP 4131689A4
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (CN)
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