Invention Grant
- Patent Title: Method for providing an insulated electric high voltage DC cable or a high voltage DC termination or joint
- Patent Title (中): 提供绝缘电高压直流电缆或高压直流终端或接头的方法
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Application No.: US12867918Application Date: 2009-02-10
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Publication No.: US08398803B2Publication Date: 2013-03-19
- Inventor: Carl-Olof Olsson
- Applicant: Carl-Olof Olsson
- Applicant Address: CH Zürich
- Assignee: ABB Research Ltd.
- Current Assignee: ABB Research Ltd.
- Current Assignee Address: CH Zürich
- Agency: Venable LLP
- Agent Eric J. Franklin
- Priority: EP08101802 20080220
- International Application: PCT/EP2009/051505 WO 20090210
- International Announcement: WO2009/103630 WO 20090827
- Main IPC: B29C47/02
- IPC: B29C47/02 ; H01B3/44

Abstract:
A method for providing an insulated electric high voltage DC cable or a high voltage DC termination or joint. A polymer based insulation system including a compounded polymer composition is provided. The polymer based insulation system is subsequently exposed to a heat treatment procedure while the outer surface of the polymer based insulation system is covered by a cover impermeable to a substance present in the polymer based insulation system in a non-homogenous distribution, thereby equalizing the concentration of the substance in the polymer based insulation system.
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