Invention Grant
US08168901B2 Cutouts with automatic reclosing 有权
切断自动重合闸

  • Patent Title: Cutouts with automatic reclosing
  • Patent Title (中): 切断自动重合闸
  • Application No.: US12668888
    Application Date: 2008-07-10
  • Publication No.: US08168901B2
    Publication Date: 2012-05-01
  • Inventor: Mohamed Y. Haj-Maharsi
  • Applicant: Mohamed Y. Haj-Maharsi
  • Applicant Address: CH Zurich
  • Assignee: ABB Research Ltd.
  • Current Assignee: ABB Research Ltd.
  • Current Assignee Address: CH Zurich
  • Agent Michael C. Prewitt
  • International Application: PCT/US2008/008479 WO 20080710
  • International Announcement: WO2009/014603 WO 20090129
  • Main IPC: H01H31/02
  • IPC: H01H31/02
Cutouts with automatic reclosing
Abstract:
A cutout is used in an electrical distribution network to electrically connect a first electric cable with a second electrical cable, The cutout includes an electrically non-conductive insulator having first and second end. A first terminal assembly is secured to the first insulator end. A second terminal assembly is secured to the second insulator end. A failsafe fuse assembly is pivotally secured to the second terminal and is movable between an engaged position and a lockout position. A reclosing mechanism is secured to the first terminal and monitors electrical current through the fuse assembly. If a fault condition exists, the reclosing mechanism opens and then closes the electrical link between the first and second electrical cable. If, after a predetermined number of closes, the fault condition still exists, the reclosing mechanism disconnects from the fuse assembly, allowing the fuse assembly to fall to the lockout position.
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