SE9702335D0 - Current limiting device and protection against faults in a current - Google Patents

Current limiting device and protection against faults in a current

Info

Publication number
SE9702335D0
SE9702335D0 SE9702335A SE9702335A SE9702335D0 SE 9702335 D0 SE9702335 D0 SE 9702335D0 SE 9702335 A SE9702335 A SE 9702335A SE 9702335 A SE9702335 A SE 9702335A SE 9702335 D0 SE9702335 D0 SE 9702335D0
Authority
SE
Sweden
Prior art keywords
current
load
circuit
protection against
fault
Prior art date
Application number
SE9702335A
Other languages
Swedish (sv)
Inventor
Maria Bijlenga
Ola Jeppsson
Lars Liljestrand
Original Assignee
Asea Brown Boveri
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to SE9702335A priority Critical patent/SE9702335D0/en
Publication of SE9702335D0 publication Critical patent/SE9702335D0/en
Priority to PCT/SE1998/001135 priority patent/WO1998058435A1/en
Priority to EP98928787A priority patent/EP0990294A1/en

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  • Emergency Protection Circuit Devices (AREA)

Abstract

A device for current limitation and protection against faults in the load current fed to an electrical load, in the form of an electrical apparatus or installation, a fault current limiter. The fault current limiter is electrically connected in series with the load to be protected in a main circuit for power supply of the load. The current limiting element is electrically connected to a circuit for current injection. The circuit for current injection comprises a capacitor connected in series with a switch. A control unit with sensors for monitoring the load current in the main circuit and control means are arranged to control and operate the switch in the circuit for current injection based on changes in the properties of the load current in the main circuit, such that upon detection of a fault the capacitor is discharged through the current limiting element.
SE9702335A 1997-06-18 1997-06-18 Current limiting device and protection against faults in a current SE9702335D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9702335A SE9702335D0 (en) 1997-06-18 1997-06-18 Current limiting device and protection against faults in a current
PCT/SE1998/001135 WO1998058435A1 (en) 1997-06-18 1998-06-12 A device for current limitation and protection against faults in a current
EP98928787A EP0990294A1 (en) 1997-06-18 1998-06-12 A device for current limitation and protection against faults in a current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9702335A SE9702335D0 (en) 1997-06-18 1997-06-18 Current limiting device and protection against faults in a current

Publications (1)

Publication Number Publication Date
SE9702335D0 true SE9702335D0 (en) 1997-06-18

Family

ID=20407427

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9702335A SE9702335D0 (en) 1997-06-18 1997-06-18 Current limiting device and protection against faults in a current

Country Status (3)

Country Link
EP (1) EP0990294A1 (en)
SE (1) SE9702335D0 (en)
WO (1) WO1998058435A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7388303B2 (en) * 2003-12-01 2008-06-17 Conocophillips Company Stand-alone electrical system for large motor loads
EP2521228B1 (en) * 2011-05-05 2014-01-01 ABB Research Ltd. Device and method for quick closing of an electric circuit and a use of the device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE136731C1 (en) *
GB1240035A (en) * 1968-01-20 1971-07-21 Fuji Electric Co Ltd Electric circuit breaker
SE337860B (en) * 1969-12-16 1971-08-23 Asea Ab
US5440441A (en) * 1984-10-24 1995-08-08 Ahuja; Om Apparatus for protecting, monitoring, and managing an AC/DC electrical line or a telecommunication line using a microprocessor
DE4013731C2 (en) * 1990-04-28 1995-07-13 Sel Alcatel Ag Circuit arrangement for limiting the inrush current
AU3394697A (en) * 1996-06-18 1998-01-07 Littlefuse, Inc. Electrical apparatus with a variable circuit protection device

Also Published As

Publication number Publication date
EP0990294A1 (en) 2000-04-05
WO1998058435A1 (en) 1998-12-23

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