EP1164615B1 - Disjoncteur multipolaire - Google Patents

Disjoncteur multipolaire Download PDF

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Publication number
EP1164615B1
EP1164615B1 EP00112615A EP00112615A EP1164615B1 EP 1164615 B1 EP1164615 B1 EP 1164615B1 EP 00112615 A EP00112615 A EP 00112615A EP 00112615 A EP00112615 A EP 00112615A EP 1164615 B1 EP1164615 B1 EP 1164615B1
Authority
EP
European Patent Office
Prior art keywords
pole
pen
conductor
circuit breaker
neutral
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP00112615A
Other languages
German (de)
English (en)
Other versions
EP1164615A1 (fr
Inventor
Anton Dipl.-Ing. Glas
Johann Dr. Wolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE50014137T priority Critical patent/DE50014137D1/de
Priority to EP00112615A priority patent/EP1164615B1/fr
Priority to AT00112615T priority patent/ATE356421T1/de
Priority to ES00112615T priority patent/ES2280161T3/es
Priority to PT00112615T priority patent/PT1164615E/pt
Publication of EP1164615A1 publication Critical patent/EP1164615A1/fr
Application granted granted Critical
Publication of EP1164615B1 publication Critical patent/EP1164615B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01H71/1009—Interconnected mechanisms
    • 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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • H01H2071/004—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor with a tripping or current sensing device in the neutral wire, e.g. for third harmonics in a three fase system
    • 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
    • H01H71/1009—Interconnected mechanisms
    • H01H2071/1036—Interconnected mechanisms having provisions for four or more poles
    • 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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor

Definitions

  • the invention relates to a multi-pole circuit breaker for a polyphase network (multi-conductor network) with neutral conductor (N-conductor) or with combined neutral and protective conductor (PEN conductor).
  • polyphase network multi-conductor network
  • N-conductor neutral conductor
  • PEN conductor neutral and protective conductor
  • phase currents by, for example, 50%.
  • these measures are already highly undesirable because of their ineffectiveness.
  • the invention is therefore based on the object to provide a multi-pole circuit breaker, which allows avoiding the disadvantages mentioned safe protection of the neutral or the combined protection and neutral.
  • a corresponding multi-pole circuit breaker is provided in which the pole in principle has no point of interruption, via which the N-conductor or PEN conductor is connected and its current leads.
  • this N- or PEN-pole recognizes by means of appropriate current detection organs an impermissible overcurrent and causes via a coupling with the phase poles their release.
  • the N or PEN pole therefore includes one with the respective turn-off device of the other phase poles Coupled tripping device that does not switch the N- or PEN-pole or without interruption. In the case of overload of the N or PEN conductor, the phase poles, but not the N or PEN pole are thus separated.
  • the N pole or PEN pole with regard to its structure is basically the same as the other phase poles. Due to the identical parts concept, this considerably reduces the manufacturing outlay.
  • the switching contact of the turn-off device of the N or PEN pole is bridged by means of, for example, a piece of wire. This ensures that even in the event of tripping in case of overload of the N- or PEN conductor this remains uninterrupted.
  • the coupling of the tripping and / or turn-off of both the phase poles and the N- or PEN-pole is thus a reliable protection of the N- or PEN conductor, without disconnecting it from the network.
  • the conductor cross sections used can be used to the maximum.
  • standard assemblies and components can also be used for the N or PEN pole.
  • switching contact is permanently closed.
  • a switching lock provided as well as the other poles is then not coupled to this switching contact of the N or PEN pole, while this switching lock is coupled to the switching locks of the remaining poles of the circuit breaker.
  • the advantages achieved by the invention are in particular that by means of a multi-pole circuit breaker or protective switching device, in particular a circuit breaker, in which a the neutral conductor or the combined protection and neutral associated N- or PEN pole, although direct or indirect triggering mechanisms, even but does not disconnect, a reliable protection by switching off the other phase currents is effected.
  • the protective effect with respect to the neutral conductor or the combined Protected and neutral conductor maintained by overloaded and thus in the event of tripping the N or PEN pole unswitched or disconnected without interruption or as a result of bridging an existing switching contact.
  • the multi-pole circuit breaker is therefore particularly suitable for multi-conductor networks in which the neutral conductor is to be protected but not switched, e.g. for 2- and 3-pole circuit breakers. It is also suitable as a tripping device in the N or PEN pole of a circuit breaker with increased or reduced tripping values with correspondingly adapted conductor cross sections, e.g. for cables with half neutral cross section.
  • the multi-pole circuit breaker 1 for a three-phase system with the phase or outer conductors L1 to L3 and the neutral conductor N. or the combined protective and neutral conductor PEN has per pole P1 to P4 a triggering device with an electromagnetic release 2 and a thermal release 3 and a shutdown device with a switching contact 4 and a switching mechanism 5 on.
  • the N- or PEN-pole P4 according to the embodiment of FIG 1 has a parallel to the switching contact 4 arranged bridging element 6, z. B. a wire or wire bridge, on.
  • the N or PEN pole P4 has no switching contact.
  • a switching contact may also be provided, which is then permanently closed.
  • the corresponding switching mechanism 5 of this pole P4 is then mechanically not coupled to the permanently closed switching contact.
  • the switching locks 5 of the poles P1 to P4 are on the one hand coupled with each other, which is indicated by the dashed line of action 7.
  • the switching locks 5 with the triggers 2 and / or 3 are mechanically coupled, which is indicated by the dashed lines of action 8.
  • the switching locks 5 are coupled to the respective switching contact 4.
  • PEN pole detected by means of the thermal release 3 for overload and / or by means of the electromagnetic release 2 for short circuit, and coupled in this pole P4 with the triggers 2.3 switching mechanism 5 is triggered.
  • the triggering of the switching mechanism 5 of the N- or PEN pole P4 causes due to the coupling of the triggering device 2,3 with the turn-off 4.5 of the phase poles a release of the remaining phase poles P1 to P4, so that their switching contacts 4 are opened and a shutdown from the network L n .
  • the PEN or N pole P4 of the circuit breaker 1 according to FIG 2 only protective or trip device, while this pole P4 itself is not switched.
  • the essential component of the non-switched or uninterrupted N- or PEN-pole P4 is therefore the tripping device 2,3 for current detection and forwarding of the trigger signal to the coupled with this pole P4 phase poles P1 to P3.
  • the invention according to FIG 1 offers the advantage that in the local multi-pole circuit breaker 1 virtually identical switching devices or poles P1 to P4 can be used.
  • the pole P4 to be connected to the neutral conductor N or to the combined protective and neutral conductor PEN is to be provided with the element 6 for bridging its switching contact 4.

Landscapes

  • Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Control Of Eletrric Generators (AREA)

Claims (3)

  1. Interrupteur de protection (1) multipolaire pour un réseau (Ln) polyphasé comprenant un conducteur neutre (N) ou comprenant un conducteur neutre et de protection combiné (PEN) comprenant
    - des pôles de phase (Pn) comprenant des dispositifs de coupure (4,5) et
    - un pôle N (P4) adjoint au conducteur neutre (N), respectivement un pôle PEN (P4) adjoint à conducteur de neutre et de protection (PEN), qui présente un dispositif déclencheur (2, 3) et un dispositif de coupure (4, 5) ayant un contact de coupure (4) shunté,
    - dans lequel le dispositif déclencheur (2, 3) du pôle N, respectivement du pôle PEN (P4) est couplé au dispositif de coupure (4, 5) du ou de chaque pôle de phase (Pn) qui soit ne commute pas soit commute sans interruption le pôle N, respectivement le pôle PEN (P4).
  2. Interrupteur de protection multipolaire selon la revendication 1, caractérisé en ce que le dispositif déclencheur du pôle N, respectivement du pôle PEN (P4) comprend un déclencheur (3) thermique ou un déclencheur (3) thermique et un déclencheur (2) électromagnétique.
  3. Interrupteur de protection multipolaire selon l'une des revendications 1 et 2, caractérisé en ce que chaque pôle (Pn, P4) comprend un verrouillage de connexion (5) couplé avec l'autre pôle (Pn, P4).
EP00112615A 2000-06-14 2000-06-14 Disjoncteur multipolaire Expired - Lifetime EP1164615B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE50014137T DE50014137D1 (de) 2000-06-14 2000-06-14 Mehrpoliger Schutzschalter
EP00112615A EP1164615B1 (fr) 2000-06-14 2000-06-14 Disjoncteur multipolaire
AT00112615T ATE356421T1 (de) 2000-06-14 2000-06-14 Mehrpoliger schutzschalter
ES00112615T ES2280161T3 (es) 2000-06-14 2000-06-14 Conmutador de proteccion multipolar.
PT00112615T PT1164615E (pt) 2000-06-14 2000-06-14 Disjuntor de protecção de varios pinos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00112615A EP1164615B1 (fr) 2000-06-14 2000-06-14 Disjoncteur multipolaire

Publications (2)

Publication Number Publication Date
EP1164615A1 EP1164615A1 (fr) 2001-12-19
EP1164615B1 true EP1164615B1 (fr) 2007-03-07

Family

ID=8168974

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00112615A Expired - Lifetime EP1164615B1 (fr) 2000-06-14 2000-06-14 Disjoncteur multipolaire

Country Status (5)

Country Link
EP (1) EP1164615B1 (fr)
AT (1) ATE356421T1 (fr)
DE (1) DE50014137D1 (fr)
ES (1) ES2280161T3 (fr)
PT (1) PT1164615E (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005049181B4 (de) * 2005-10-14 2009-08-27 Moeller Gmbh Dreipoliger Leistungsschalter und Verfahren zu seiner Herstellung
DE102007025673A1 (de) * 2007-06-01 2008-12-04 Abb Ag Leitungsschutzeinrichtung für ein Leitungsnetz
DE102014010034B4 (de) * 2013-07-18 2020-11-05 Abb Ag Anordnung mit Phasen-Schaltgeräten und einem Neutralleiter-Schaltgerät

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1152120A (fr) * 1956-02-17 1958-02-12 Thomson Houston Comp Francaise Perfectionnement aux disjoncteurs multipolaires pour installations électriques de première catégorie
US3464045A (en) * 1967-05-11 1969-08-26 Gen Electric Circuit breaker selective trip mechanism
DE3374487D1 (en) * 1982-08-19 1987-12-17 Bbc Brown Boveri & Cie Circuit breaker with leakage current release
US5383084A (en) * 1993-01-08 1995-01-17 Leviton Manufacturing Co., Inc. Circuit analyzing system

Also Published As

Publication number Publication date
DE50014137D1 (de) 2007-04-19
ES2280161T3 (es) 2007-09-16
ATE356421T1 (de) 2007-03-15
PT1164615E (pt) 2007-04-30
EP1164615A1 (fr) 2001-12-19

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