公开(公告)号：PL360518A1

公开(公告)日：2003-12-15

申请号：PL36051803

申请日：2003-06-05

Applicant: ABB RESEARCH LTD

Inventor： KALTENBORN UWE ,  HOFFMANN GUIDO

IPC: H01H85/30 ,  H01H85/042

Abstract: Striking alarm system comprises: a housing (13); a spring (16) with a moving end arranged in the housing; actuator (17) leading from the housing and interacting with the moving end; a high ohmic resistance wire (12) connected in parallel to a melting wire of a fuse; and a holder receiving a pre-tension of the spring. The holder contains a section of the resistance wire formed as a coil (18). Striking alarm system comprises: a housing (13); a spring (16) with a moving end arranged in the housing; actuator (17) leading from the housing and interacting with the moving end; a high ohmic resistance wire (12) connected in parallel to a melting wire of a fuse; and a holder receiving a pre-tension of the spring. The holder contains a section of the resistance wire formed as a coil (18). The section of the wire is guided around the moving end of the spring forming a pre-tension and is in partial contact with the material of the activator. Independent claims are also included for the following: (1) high voltage fuse with a striking alarm system; and (2) switch-fuse system with a high voltage fuse.

公开(公告)号：PL354826A1

公开(公告)日：2003-01-13

申请号：PL35482602

申请日：2002-07-01

Applicant: ABB RESEARCH LTD

Inventor： KALTENBORN UWE ,  HOFFMANN GUIDO ,  WILNIEWCZYC MARIUSZ ,  HUSER PATRIK

IPC: H01H85/00 ,  H01H85/02 ,  H01H85/046 ,  H01H85/08 ,  H01H85/12 ,  H01H85/18 ,  H01H85/38 ,  H01H85/045

Abstract: A fuse with two spaced apart power supply connections, consists of identical arrays of active portions comprising moldings and planar intermediate layer between moldings. A fuse has two spaced-apart power supply connections and an active part which comprises a fusible current-carrying fuse element and an arc-extinguishing medium. The fuse element is of modular construction and has at least two first modules connected in series and is connected to the two power supply connection. The fuse element is arranged on an electrically insulating substrate in which the arc-extinguishing medium covers the exposed surfaces of the fuse element. The active part is formed as a sandwich and has two stable moldings, and has a predominantly planar intermediate layer arranged between the two moldings. The intermediate layer contains at least the two series-connected first modules. A first molding of the two moldings is formed at least by part of the electrically insulating substrate, and a second molding is formed at least in part by the arc-extinguishing medium.

公开(公告)号：CA2392170A1

公开(公告)日：2003-01-02

申请号：CA2392170

申请日：2002-06-28

Applicant: ABB RESEARCH LTD

Inventor： KALTENBORN UWE ,  HOFFMANN GUIDO ,  HUSER PATRICK ,  WILNIEWCZYC MARIUSZ

IPC: H01H85/00 ,  H01H85/02 ,  H01H85/046 ,  H01H85/08 ,  H01H85/12 ,  H01H85/18 ,  H01H85/38

Abstract: The fuse is used in the medium- and high-voltage sector and has two spaced-apart power supply connections (2, 3) and an active part (1). The active part comprises a fusible, current-carrying fuse element and an arc- extinguishing medium. The fuse element is connected in an electrically conducting manner to the two power supply connections and is arranged on an electrically insulating substrate. It is of a modular construction and has at least two modules (9) connected in series. The arc-extinguishing medium covers the exposed surfaces of the fuse element. The active part is formed in the manner of a sandwich and has two stable moldings (4, 5) and a predominantly planar intermediate layer (6) arranged between the moldings (4, 5). The intermediate layer (6) contains at least the two series-connected modules, whereas a first molding (4) of the two moldings is formed at least by part of the electrically insulating substrate and the second molding (5) is formed at least by part of the arc- extinguishing medium. The fuse is distinguished by a simple construction and by favorable triggering characteristics.