PT736945E - Dispositivo de corte limitador de proteccao para transformacoes electricos trifasicos - Google Patents

Dispositivo de corte limitador de proteccao para transformacoes electricos trifasicos

Info

Publication number
PT736945E
PT736945E PT96420111T PT96420111T PT736945E PT 736945 E PT736945 E PT 736945E PT 96420111 T PT96420111 T PT 96420111T PT 96420111 T PT96420111 T PT 96420111T PT 736945 E PT736945 E PT 736945E
Authority
PT
Portugal
Prior art keywords
phase
limiter
cutting device
phase electrical
device protection
Prior art date
Application number
PT96420111T
Other languages
English (en)
Inventor
Thierry Rambaud
Original Assignee
Ferraz Shawmut
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
Priority claimed from FR9504213A external-priority patent/FR2732816B1/fr
Priority claimed from FR9509626A external-priority patent/FR2737614B1/fr
Application filed by Ferraz Shawmut filed Critical Ferraz Shawmut
Publication of PT736945E publication Critical patent/PT736945E/pt

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H79/00—Protective switches in which excess current causes the closing of contacts, e.g. for short-circuiting the apparatus to be protected
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/46—Circuit arrangements not adapted to a particular application of the protective device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H01H2085/0291—Structural association with a current transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/122—Automatic release mechanisms with or without manual release actuated by blowing of a fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/30—Means for indicating condition of fuse structurally associated with the fuse
    • H01H85/303—Movable indicating elements
    • H01H85/306—Movable indicating elements acting on an auxiliary switch or contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Soft Magnetic Materials (AREA)
PT96420111T 1995-04-04 1996-04-03 Dispositivo de corte limitador de proteccao para transformacoes electricos trifasicos PT736945E (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9504213A FR2732816B1 (fr) 1995-04-04 1995-04-04 Deconnecteur-limiteur de protection pour transformateurs electriques triphases
FR9509626A FR2737614B1 (fr) 1995-08-02 1995-08-02 Deconnecteur-limiteur de protection pour transformateurs electriques triphases

Publications (1)

Publication Number Publication Date
PT736945E true PT736945E (pt) 2004-02-27

Family

ID=26231874

Family Applications (1)

Application Number Title Priority Date Filing Date
PT96420111T PT736945E (pt) 1995-04-04 1996-04-03 Dispositivo de corte limitador de proteccao para transformacoes electricos trifasicos

Country Status (6)

Country Link
EP (1) EP0736945B1 (pt)
AT (1) ATE250814T1 (pt)
DE (1) DE69630069T2 (pt)
ES (1) ES2206550T3 (pt)
NO (1) NO961362L (pt)
PT (1) PT736945E (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2886480B1 (fr) 2005-05-31 2007-06-29 Areva T & D Sa Dispositif de detection fusible avec controle d'arc pour transformateur auto-protege
PL2521156T3 (pl) 2011-05-06 2015-06-30 Abb Technology Ag Rozłącznik dla transformatorów dystrybucyjnych z cieczą dielektryczną
FR2999792B1 (fr) * 2012-12-19 2017-06-09 Transfix Dispositif de protection d'un appareil electronique alimente par un reseau polyphase
GB201609661D0 (en) * 2016-06-01 2016-07-20 Secr Defence A stored voltage discharging device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE288372C (pt) *
US2945108A (en) * 1958-12-08 1960-07-12 Carroll H Walsh Polyphase fuse construction
US3319026A (en) * 1965-09-24 1967-05-09 August R Schrade Multiple pole fused disconnect switch
US4002949A (en) * 1975-11-13 1977-01-11 Kearney-National, Inc. Transformer protective system
DE3426404A1 (de) * 1984-07-18 1986-01-23 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Hochspannungs-hochleistungs-sicherung
JPH02273433A (ja) * 1989-04-14 1990-11-07 Matsushita Electric Works Ltd 負荷保護装置

Also Published As

Publication number Publication date
NO961362D0 (no) 1996-04-02
DE69630069T2 (de) 2004-07-08
EP0736945A1 (fr) 1996-10-09
NO961362L (no) 1996-10-07
ATE250814T1 (de) 2003-10-15
DE69630069D1 (de) 2003-10-30
ES2206550T3 (es) 2004-05-16
EP0736945B1 (fr) 2003-09-24

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