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Patent Searching and Data


Title:
MOLDED TAP CHANGER ASSEMBLIES AND METHODS FOR DRY-TYPE TRANSFORMERS
Document Type and Number:
WIPO Patent Application WO/2019/204963
Kind Code:
A1
Abstract:
A tap changer assembly of a dry-type transformer. The tap changer assembly includes a first molding including multiple taps, a semi-conductive coating applied to the first molding, a conductive shield provided overtop some of the semi-conductive coating, a grounding member comprising a ring of bosses interconnected by a grounding conductor connected to the conductive shield, a second molding applied over at least a portion of the conductive shield and the grounding conductor, the second molding forming a molded sealing surface, a conductive cover coupled to the ring of bosses; and a sealing member sealing a space between the molded sealing surface and the conductive cover. Dry-type transformers and methods of forming a tap changer assembly of a dry-type transformer are provided, as are numerous other aspects.

Inventors:
NAVARRO MARTIN ALSINA (BR)
MORENO ANDRE LUIZ (BR)
WANG YAOQIANG (CN)
ZHANG YUQIAN (CN)
LU XIAOFENG (CN)
Application Number:
PCT/CN2018/084069
Publication Date:
October 31, 2019
Filing Date:
April 23, 2018
Export Citation:
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Assignee:
SIEMENS AG (DE)
HAINAN JINPAN SMART TECH CO LTD (CN)
NAVARRO MARTIN ALSINA (BR)
MORENO ANDRE LUIZ (BR)
WANG YAOQIANG (CN)
ZHANG YUQIAN (CN)
LU XIAOFENG (CN)
International Classes:
H01F29/02
Foreign References:
CN103119668A2013-05-22
CN101299382A2008-11-05
US4504811A1985-03-12
US5621372A1997-04-15
US8614614B22013-12-24
CN103119668A2013-05-22
CN101299382A2008-11-05
US4504811A1985-03-12
US5621372A1997-04-15
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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