WO2007012563A1 - Interrupteur de protection contre les courants de court-circuit comprenant un declencheur additionnel - Google Patents

Interrupteur de protection contre les courants de court-circuit comprenant un declencheur additionnel Download PDF

Info

Publication number
WO2007012563A1
WO2007012563A1 PCT/EP2006/064135 EP2006064135W WO2007012563A1 WO 2007012563 A1 WO2007012563 A1 WO 2007012563A1 EP 2006064135 W EP2006064135 W EP 2006064135W WO 2007012563 A1 WO2007012563 A1 WO 2007012563A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
circuit breaker
bridge
residual current
current transformer
Prior art date
Application number
PCT/EP2006/064135
Other languages
German (de)
English (en)
Inventor
Markus Huber
Manfred Kleemeier
Gerald Lehner
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP06777718A priority Critical patent/EP1908158A1/fr
Publication of WO2007012563A1 publication Critical patent/WO2007012563A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/334—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control

Definitions

  • the present invention relates to a residual current circuit breaker with a summation current transformer for generating an error signal in the case of a fault current and a switching ⁇ device, which is connected to the summation current transformer, for triggering the residual current circuit breaker without a fault current.
  • a residual current device (RCCB) has the additional emergency stop function.
  • Residual current circuit breakers with the additional function emergency stop are already known.
  • a circuit diagram of such a circuit breaker is shown sketchy in FIG. Accordingly, the current paths Ll, L2, L3 and N of a three-phase network via a switching mechanism S are interruptible. In addition, they are guided with windings wl, w2, w3 and w4 via a summation current transformer SW. If no fault current is present, no magnetic field is generated in the sum of the summation current transformer SW in the sum.
  • a trip circuit AK accesses the existing magnetic field with the aid of a secondary winding w8, which is likewise arranged on the summation current transformer SW.
  • the trip circuit AK controls a triggering device AE, with the help of a switch, not shown, the switch S can be actuated.
  • an external emergency stop button NA is provided, which must always be realized as an opener for safety reasons.
  • the emergency stop switch NA is connected to terminals Yl, Y2 to the fault current circuit breaker FI.
  • Type AC, A or B residual-current-operated circuit-breaker FI has two additional windings w5 and w6 wound in opposite directions to connect emergency stop switch NA. Both windings are connected via resistors Rl and R2 between the neutral conductor N and one of the phases, here the phase L3.
  • the emergency stop button NA is connected in series with the resistor R2. In idle state, current flows through both windings w5 and w6, so that the resulting flooding is zero.
  • a test button PT is additionally provided, which is realized as a closer.
  • This test button PT integrated in the residual current circuit breaker FI is connected via a test resistor RP to a winding w7, which is likewise wound around the summation current transformer SW.
  • the entire test branch PT, RP, w7 lies parallel to the emergency-off branch NA, R2, w6 or Rl, w5. May be the test ⁇ pressed key PT, the summation current transformer SW is flooded through the winding w7 so that the trip circuit AK residual current circuit breaker FI trigger.
  • the object of the present invention is therefore to simpler to build a RCCB with additional switching function.
  • this object is achieved by an error ⁇ current circuit breaker with a sum current transformer for Erzeu- tion of an error signal in the case of a fault current and ei ⁇ ner switching device which is connected to the summation current transformer, for triggering the residual current circuit breaker without a fault current, wherein the switching device is connected via a bridge circuit and a single winding to the summation current transformer.
  • the invention is based on the idea that flows at a starting ⁇ tuned bridge in a branch no current, so that this branch of the summation current transformer of the earth leakage circuit breaker can be connected, and the bridge can be detuned by the switching means so that the original electroless branch in the summation current transformer now ensures a flow ⁇ tion.
  • one or two windings can be avoided around the summation current transformer according to the invention.
  • the assembly costs are reduced.
  • the switching device comprises an emergency stop switch.
  • the emergency stop functionality can be installed without much effort in the RCCB.
  • the switching device of the residual current circuit breaker may also include a test button. Even if both, both the emergency stop switch and the test button, are connected to the bridge circuit, a single winding is sufficient for coupling to the summation current transformer. As a result, the more space can be saved.
  • the winding is arranged for coupling to the summation current transformer in the diagonal branch of the bridge circuit. Any detuning of the bridge circuit by the emergency stop button and / or the test button triggers the residual current circuit breaker. If the switching device is designed as a normally closed, such. As the emergency stop button, so it makes sense to switch this in series to one of the plurality of impedances of the bridge circuit. If the switching device, however, designed as a closer, such. As the test button, it should be connected in parallel with an impedance of the bridge circuit.
  • FIG. 2 shows an inventive FI circuit breaker with additional function emergency stop.
  • FIG 2 Fault current protection switch according to the invention ⁇ FIl has substantially the same components as the fault current circuit breaker FI of FIG 1. Therefore, the details of construction set forth above on the description, reference is made to FIG 1 with respect.
  • the summation current transformer SW has only one single winding w9, which is arranged in the diagonal branch of a Wheatstone bridge with four identical resistors R.
  • the bridge is from the
  • the emergency stop button NA is connected in series with the resistor R there. During the normal drove the emergency stop button is closed and the bridge is balanced. In an emergency, the emergency stop switch is opened, so that the bridge is out of tune, the winding w9 flows through the summation current transformer SW and the FI switch triggers.
  • the test button PT is designed as normally open and switches in a bridge branch which ge at ⁇ parallel to the local resistance R ⁇ . PT is the test button is actuated, the resistance is resistance R in the bridge branch and the bridge bridges scarf ⁇ tung tune. Again, the FI switch triggers FIl. In the described embodiment, therefore, instead of the three windings w5, w6 and w7, only a single winding w9 is necessary. This results in the already mentioned simple construction of the summation current transformer or the entire device.

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Keying Circuit Devices (AREA)
  • Breakers (AREA)

Abstract

L'objectif de l'invention est de simplifier la structure d'un interrupteur de protection contre les courants de court-circuit comprenant une fonction de commutation additionnelle, en particulier une fonction d'arrêt d'urgence. A cet effet, le dispositif de commutation pour la fonction additionnelle, p. ex. le bouton d'arrêt d'urgence (NA), est raccordé au transformateur sommateur de courant (SW) par l'intermédiaire d'un montage en pont (R, R, R, R) et d'un enroulement unique (w9). Lorsque le bouton d'arrêt d'urgence (NA) est actionné, le pont est désaccordé et un courant circule à travers l'enroulement (w9) de sorte que le commutateur FI (FI1) soit déclenché. De cette manière, la fonction d'arrêt d'urgence ne nécessite pas plusieurs enroulements, ce qui permet de réduire l'encombrement.
PCT/EP2006/064135 2005-07-25 2006-07-12 Interrupteur de protection contre les courants de court-circuit comprenant un declencheur additionnel WO2007012563A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06777718A EP1908158A1 (fr) 2005-07-25 2006-07-12 Interrupteur de protection contre les courants de court-circuit comprenant un declencheur additionnel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005034644.8 2005-07-25
DE200510034644 DE102005034644B4 (de) 2005-07-25 2005-07-25 Fehlerstromschutzschalter mit zusätzlichem Auslöseschalter

Publications (1)

Publication Number Publication Date
WO2007012563A1 true WO2007012563A1 (fr) 2007-02-01

Family

ID=36974413

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/064135 WO2007012563A1 (fr) 2005-07-25 2006-07-12 Interrupteur de protection contre les courants de court-circuit comprenant un declencheur additionnel

Country Status (4)

Country Link
EP (1) EP1908158A1 (fr)
CN (2) CN101958529B (fr)
DE (1) DE102005034644B4 (fr)
WO (1) WO2007012563A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015004541A1 (de) 2015-04-08 2016-10-13 Doepke Schaltgeräte GmbH Fehlerstrom-Schutzeinrichtung mit zusätzlicher Auslösefunktion
DE102016205101A1 (de) * 2016-03-29 2017-10-05 Siemens Aktiengesellschaft Differenzstromsensor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0189493A1 (fr) * 1985-01-28 1986-08-06 Heinrich Kopp GmbH & Co. KG Disjoncteur de protection contre des défauts de terre formé comme fiche de connexion
EP0367690A1 (fr) * 1988-11-04 1990-05-09 Merlin Gerin Déclencheur différentiel à circuit test et à télécommande d'ouverture autoprotégée
EP0374506A2 (fr) * 1988-12-23 1990-06-27 ABB Elettrocondutture S.p.A. Dispositif de coupure à distance de secours, en particulier pour interrupteurs différentiels
EP0913904A2 (fr) * 1997-11-03 1999-05-06 CMC Carl Maier + Cie AG Méthode pour augmenter la fiabilité d'un disjoncteur à courant de défaut et appareil pour sa mise en oeuvre

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50312842D1 (de) * 2003-05-15 2010-08-12 Siemens Ag Allstromsensitive Fehlerstrom-Schutzeinrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0189493A1 (fr) * 1985-01-28 1986-08-06 Heinrich Kopp GmbH & Co. KG Disjoncteur de protection contre des défauts de terre formé comme fiche de connexion
EP0367690A1 (fr) * 1988-11-04 1990-05-09 Merlin Gerin Déclencheur différentiel à circuit test et à télécommande d'ouverture autoprotégée
EP0374506A2 (fr) * 1988-12-23 1990-06-27 ABB Elettrocondutture S.p.A. Dispositif de coupure à distance de secours, en particulier pour interrupteurs différentiels
EP0913904A2 (fr) * 1997-11-03 1999-05-06 CMC Carl Maier + Cie AG Méthode pour augmenter la fiabilité d'un disjoncteur à courant de défaut et appareil pour sa mise en oeuvre

Also Published As

Publication number Publication date
DE102005034644A1 (de) 2007-02-01
CN101223682A (zh) 2008-07-16
DE102005034644B4 (de) 2014-04-10
CN101958529A (zh) 2011-01-26
EP1908158A1 (fr) 2008-04-09
CN101958529B (zh) 2012-07-04

Similar Documents

Publication Publication Date Title
DE19601540C2 (de) Elektrisches Verteilungssystem
DE3438818C2 (de) Fehlerstrom-Schutzschalter
DE10084599B4 (de) Elektromagnetische Schaltvorrichtung
DE69216179T2 (de) Elektrisches Leistungsversorgungssystem
AT506346B1 (de) Fehlerstromschutzschalter
DE60003824T2 (de) Nichtautomatischer schutzschalter mit nach kontaktschlie ung abgeschaltetem auslöser
EP2180569A2 (fr) Procédé de protection contre la surtension dans un système raccordé à un réseau d'alimentation en courant, appareil de protection contre la surtension et agencement doté de celui-ci
DE69808469T2 (de) Kombibierte anordnung eines verteilungstransformators und schalters
EP3565074B1 (fr) Circuit de couplage à fonction de commutation permettant de coupler un appareil de surveillance d'isolation à un système d'alimentation électrique non mis à la masse
DE10244961B3 (de) Selektiver Leitungsschutzschalter
EP2243147A1 (fr) Commutateur de protection contre les courants de défaut
WO2007012563A1 (fr) Interrupteur de protection contre les courants de court-circuit comprenant un declencheur additionnel
EP0955660A1 (fr) Disjoncteur électrique d'appareil avec une fonction de courant de surcharge et de manque de tension et un détecteur de courant de surcharge associé
AT281173B (de) Anordnung zur Fehlerstromüberwachung eines verzweigten Ein- oder Mehrphasennetzes
EP0951046B1 (fr) Disjoncteur à courant de défaut
WO1995020257A1 (fr) Disjoncteur de protection a courant differentiel residuel
AT406431B (de) Einrichtung zur analyse von in einer elektrischen anlage auftretenden erdfehlerströmen und von dieser angesteuertes schaltgerät
WO1986006563A1 (fr) Disjoncteur de protection contre des courants de defaut pour courants de defaut alternatifs et continus sans accumulation d'energie
DE102014222311B4 (de) Fehlerstromschutzvorrichtung mit Selbstüberwachung
DE3928551A1 (de) Schaltungsanordnung zum erfassen von erdschluessen und windungsschluessen an einer drehstrommaschine
AT520576A2 (de) Fehlerstromschutzschalter
AT133822B (de) Schutzvorrichtung für Dreiphasennetze.
DE592505C (de) Schutzvorrichtung fuer Dreiphasennetze
DE3412273A1 (de) Leitungsschutzschalter mit differenzstromausloesung
DE601513C (de) Schutzvorrichtung fuer Dreiphasennetze

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2006777718

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 200680026267.1

Country of ref document: CN

NENP Non-entry into the national phase

Ref country code: DE

WWW Wipo information: withdrawn in national office

Country of ref document: DE

WWP Wipo information: published in national office

Ref document number: 2006777718

Country of ref document: EP