EP2257961A1 - Module transformateur de courant et dispositif de commutation électromécanique - Google Patents

Module transformateur de courant et dispositif de commutation électromécanique

Info

Publication number
EP2257961A1
EP2257961A1 EP09727297A EP09727297A EP2257961A1 EP 2257961 A1 EP2257961 A1 EP 2257961A1 EP 09727297 A EP09727297 A EP 09727297A EP 09727297 A EP09727297 A EP 09727297A EP 2257961 A1 EP2257961 A1 EP 2257961A1
Authority
EP
European Patent Office
Prior art keywords
switching device
current transformer
electromechanical
transformer assembly
input terminals
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.)
Withdrawn
Application number
EP09727297A
Other languages
German (de)
English (en)
Inventor
Mathias VÖLZ
Norbert Zimmermann
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
Publication of EP2257961A1 publication Critical patent/EP2257961A1/fr
Withdrawn legal-status Critical Current

Links

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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
    • H01H71/125—Automatic release mechanisms with or without manual release using a solid-state trip unit characterised by sensing elements, e.g. current transformers
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker

Definitions

  • FIG. 3 shows a known from the prior art reversing circuit 30 with a protective device (circuit breaker 33) and two switching elements (contactors 31, 32).
  • the power switch 33 has an integrated
  • Short-circuit tripping (non-delayed n-tripping) 35 and an overload tripping (delayed p-tripping) 37.
  • the reversing circuit 30 is formed, the phase inputs (Ll, L2, L3) with the phase outputs (Tl, T2, T3) with a direct phase order (Ll -> Tl, L2 -> T2, L3 -> T3) or with a changed phase order (Ll -> Tl, L2 -> T3, L3 -> T2) to connect electrically.
  • the phase inputs (L1, L2, L3) can also be galvanically isolated from the phase outs.
  • an electric motor runs in a first direction, with the changed phase order in the second direction.
  • the reversing circuit 30 is controlled via the contactors 31, 32. In each case only one protection 31, 32 is switched on or both of the contactors 31, 32 remain switched off. For a reversing circuit, the wiring 34 in front of the shooters 31, 32 and the turning wiring after the shooters 31, 32 is necessary.
  • the wiring 34 with the turn-around wiring 36 causes more installation effort and is prone to installation errors.
  • the object of the invention is to reduce the installation effort and the Whyanfallmaschine in a reversing circuit. This object can be achieved with a current transformer assembly according to claim 1 or with an electromechanical switching device according to claim 9.
  • the wiring overhead can be reduced with a power converter assembly having input terminals, output terminals, power converters placed between the input terminals and output terminals to which at least one converter output is electrically connected, and integrated wiring, wherein a number of input terminals are electrically connected to a number of output terminals via the integrated wiring is that the wiring acts as a turn around wiring.
  • the inverter wiring When the inverter wiring is configured to electrically contact three input terminals having a direct phase sequence and three input terminals having a changed phase sequence with the output terminals, the inverter wiring can be realized in a simple manner with the converter assembly.
  • the reversing circuit can be realized in a compact design.
  • the current transformer assembly further comprises an integrated evaluation, which is integrated, for example, on a printed circuit board, a compact, modular design is made possible.
  • the transmitter can be connected in an elegant way via a signal connection with at least one transducer output. Manufacturing tolerance can be better compensated and a simple connectivity can be offered if the signal connection as a cable connection consists of at least one plug and an attached strand, especially if the plug and the strand of elastic, electrically conductive material such as metal.
  • the wiring complexity can be reduced with an electromechanical switching device having a number of switching points controllable by at least one associated electromechanical controller, and with a current transformer assembly according to any one of claims 1 to 9, wherein the input terminals are electrically connected to the switching points. It is also possible to make the switching device more compact.
  • the switching device can completely take over the function of the reversing circuit.
  • the switching device can be made even more compact.
  • Signal generator is used for the at least one electromechanical control. Then on a relative simple way a protective function for the switching device can be realized. For example, protection against overload or short circuit can be achieved when the at least one electromechanical controller is configured to disconnect the phase inputs (L1, L2, L3) from the phase outputs (T1, T2, T3), if at least one across the converter output transmitted signal shows that the current flowing through the electromechanical switching device exceeds an allowable value.
  • the switching device can take over the functions of a protective device, so that a compact reversing circuit with protective function or protective functions results.
  • the electromechanical switching device can be used more versatile.
  • 1 shows a current transformer assembly
  • 2 shows a plan view of the one shown in FIG
  • FIG. 4 shows an electromechanical switching device
  • FIG. 5 shows a circuit diagram of the electrical-mechanical switching device shown in FIG. 4;
  • FIGS. 6 and 7 show two current transformer assemblies; 8 shows a printed circuit board with an angeloteten wire for the signal connection; 9 shows a fixation of the plug in the housing of an electromechanical switching device; and FIG. 10 shows a converter module.
  • Corresponding structural elements are identified by the same reference numerals in all drawings.
  • Current transformer assembly 10 has input terminals 3, output terminals 1, and placed between the input terminals 3 and output terminals 1 current transformers 2.
  • the current transformers 2 are designed to measure the electrical current flowing in an electrical conductor between an input terminal 3 and output terminal 1 and may be toroidal transducers, for example.
  • At least one converter output 4 is electrically connected to each current transformer 2.
  • the output signals of the current transformer 2, up to three current transformers, can be brought together.
  • the housing of the current transformer group 10 advantageously consists of a lower part 8, an intermediate part 7 and an upper part 6.
  • FIG. 2 shows a plan view of the current transformer assembly 10 shown in FIG. 1 with the upper part 6 of the housing removed.
  • the power converter assembly 10 has an integrated wiring 5 so that a number of input terminals 3 are electrically connected to a number of output terminals 1 via the integrated wiring 5 such that the integrated wiring 5 functions as a turning wiring.
  • the signal connection 56 is realized with a cable connection, wherein the plug establishes the electrical connection to the transducer assembly 10 and the strand 81 is fixed to the printed circuit board 21 by soldering.
  • the turn-around wiring 5 is formed, three input terminals 3 with a direct phase sequence (Ll -> Tl, L2 -> T2, L3 -> T3) and three input terminals 3 with a changed phase sequence (Ll -> Tl, L2 -> T3, L3 - > T2) to contact the output terminals 1 electrically.
  • the current transformer assembly 10 is equipped with three current transformers 2. However, it is possible to realize the power converter assembly 10 with only one or two current transformers.
  • the input terminals 3 are formed as fixed switching pieces of a switching element. This will be illustrated with reference to FIGS. 4 and 5.
  • the current transformer assembly 10 is electrically connected to the electromechanical switching device 40.
  • the power converter assembly 10 is integrated with the switching device 40.
  • the electromechanical switching device 40 is provided with a
  • the electromechanical switching device 40 further includes a power converter assembly 10.
  • the input terminals 3 are electrically connected to the switching points 51. In order to make the construction of the electromechanical switching device more compact, the input terminals 3 are each a part of the corresponding switching points 51, wherein the input terminals can then ensure the power transmission from the movable switching pieces of the switching point 51.
  • the current transformer assembly 10 has an integrated evaluation electronics 9, which can be integrated on a printed circuit board 21 (see FIG 8).
  • the transmitter 9 is connected via a signal connection 56 to the converter output 4, wherein the signal connection 56 consists of at least one plug and a strand 81 connected thereto.
  • the strand 81 is fixed to the printed circuit board 21 with one or more soldering points.
  • solder joints on the circuit board 21 with the strand 81 help to avoid contact failure; In addition, due to flexibility of the strand 81 assembly advantages. Even a slight possibility of contacting the transducer signals via the plug with strand 81 is accomplished.
  • the electromechanical controls 41S and 42S are designed to control the switching points 51 in two groups in such a way that the electromechanical switching device 40 in each case have their phase inputs (L1, L2, L3) in a straight line (L1 -> T1, L2 -> T2, L3 - > T3) or in a modified (Ll -> T1, L2 -> T3, L3 -> T2) phase sequence with the phase outputs (Tl, T2, T3) contacted.
  • the electromechanical controllers 41S, 42S are, for example, analog or digitally controllable magnetic drives.
  • the current transformer assembly 10 is used as a signal generator for the electromechanical controls 41 S, 42 S.
  • the electromechanical controllers 41S, 42S are designed to separate the phase inputs (L1, L2, L3) from the phase outputs (T1, T2, T3), if at least one Signal transmitted via the transducer output 4 indicates that the current flowing through the electromechanical switching device 40 exceeds an allowable value.
  • the permissible value can be set so that the overload protection function implemented with the converter module 10 (see, for example, with the overload release device 37) can be set according to the consumer used (eg rated motor load).
  • the contacting of the transducer assembly 10 is connected to a plug-socket system on the circuit board 21 to the
  • Evaluation electronics 9 realized.
  • the winding wire of the current transformer 2 is summarized in the plug and then plugged into the socket.
  • the socket is connected to the printed circuit board 21 of the evaluation electronics 9.
  • the signal connection 56 of the converter 2 to the evaluation electronics 9, which is fastened here on the printed circuit board 21, takes place by means of a cable connection.
  • the cable connection consists of a plug and a stranded wire 81 connected thereto.
  • the stranded wire is fixed to the printed circuit board 21 with a soldering point.
  • the plug is plugged onto the transducer assembly 10 to pick up the signals of the measurement, thereby fixed in a between the housing 93 (magnetic chamber of the electromechanical switching device) of the connector and then contacted by the transducer assembly 10.
  • the short-circuit protection function 35 can be integrated into the electromechanical protection device 40.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Ac-Ac Conversion (AREA)
  • Breakers (AREA)
  • Patch Boards (AREA)

Abstract

L'invention concerne un module transformateur de courant (10) comportant des bornes d'entrée (3), des bornes de sortie (1), des transformateurs de courant (2), placés entre les bornes d'entrée (3) et les bornes de sortie (1) et auxquels au moins une sortie de transformateur (4) est reliée électriquement, ainsi qu'un câblage intégré (5). Un certain nombre de bornes d'entrée (3) sont reliées électriquement à un certain nombre de bornes de sortie (1) par l'intermédiaire du câblage intégré (5), de sorte que le câblage (5) fait fonction de câblage d'inversion. Un dispositif de commutation électromécanique fait l'objet d'une revendication indépendante.
EP09727297A 2008-04-01 2009-03-11 Module transformateur de courant et dispositif de commutation électromécanique Withdrawn EP2257961A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810018261 DE102008018261A1 (de) 2008-04-01 2008-04-01 Stromwandlerbaugruppe und elektromechanische Schaltvorrichtung
PCT/EP2009/052834 WO2009121695A1 (fr) 2008-04-01 2009-03-11 Module transformateur de courant et dispositif de commutation électromécanique

Publications (1)

Publication Number Publication Date
EP2257961A1 true EP2257961A1 (fr) 2010-12-08

Family

ID=41016796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09727297A Withdrawn EP2257961A1 (fr) 2008-04-01 2009-03-11 Module transformateur de courant et dispositif de commutation électromécanique

Country Status (7)

Country Link
US (1) US8526154B2 (fr)
EP (1) EP2257961A1 (fr)
KR (1) KR101514624B1 (fr)
CN (1) CN101978455A (fr)
BR (1) BRPI0909283A2 (fr)
DE (1) DE102008018261A1 (fr)
WO (1) WO2009121695A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106128866B (zh) * 2016-07-08 2019-09-20 中国电力科学研究院 一种内置电子式电压互感器的隔离断路器
CN106653433B (zh) * 2017-02-08 2021-09-17 国源容开国际科技（北京）股份有限公司 高电压大电流等零相位开关及控制方法
JP7028401B2 (ja) 2018-02-23 2022-03-02 日清紡ケミカル株式会社 水性カルボジイミド含有液の製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2031623A1 (fr) * 2007-09-03 2009-03-04 Siemens Aktiengesellschaft Module transformateur de courant doté d'un câblage de changement de phase et interrupteur doté d'un tel module

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2598027B1 (fr) * 1986-04-23 1990-10-12 Telemecanique Electrique Appareil contacteur inverseur protege conte les surintensites de courant
DE3907853A1 (de) * 1989-03-10 1990-09-13 Man Ghh Krantechnik Antriebsanordnung, insbesondere fuer ein hubwerk
FR2664763B1 (fr) * 1990-07-13 1994-03-04 Telemecanique Appareil et systeme pour l'alimentation protegee d'un moteur triphase a deux sens de marche.
DE4234619C2 (de) * 1992-10-14 1994-09-22 Kloeckner Moeller Gmbh Mit Schützen zu kombinierendes Überlastrelais
DE4418259C1 (de) * 1994-05-25 1995-08-24 Hirschmann Richard Gmbh Co Mehrpoliger Kabelsteckverbinder
EP0955660A1 (fr) * 1998-05-08 1999-11-10 Schurter AG Disjoncteur électrique d'appareil avec une fonction de courant de surcharge et de manque de tension et un détecteur de courant de surcharge associé
KR20000073458A (ko) * 1999-05-11 2000-12-05 권수영 스타-델타 결선용 전자개폐기
FR2795227B3 (fr) * 1999-06-18 2001-07-20 Schneider Electric Ind Sa Appareil electromagnetique de commutation de type multipolaire
DE10023966C1 (de) * 2000-05-16 2001-11-08 Siemens Ag Verbraucherabzweig
JP2005137147A (ja) * 2003-10-31 2005-05-26 Toshiba Corp スイッチギヤ
US7208897B2 (en) * 2005-03-04 2007-04-24 Linear Corporation Motion control system for barrier drive
WO2008034467A1 (fr) 2006-09-21 2008-03-27 Siemens Aktiengesellschaft Unité à commutateurs pour commuter au moins deux états de fonctionnement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2031623A1 (fr) * 2007-09-03 2009-03-04 Siemens Aktiengesellschaft Module transformateur de courant doté d'un câblage de changement de phase et interrupteur doté d'un tel module

Also Published As

Publication number Publication date
WO2009121695A1 (fr) 2009-10-08
US8526154B2 (en) 2013-09-03
BRPI0909283A2 (pt) 2015-08-18
CN101978455A (zh) 2011-02-16
KR20100130636A (ko) 2010-12-13
KR101514624B1 (ko) 2015-04-23
US20110018363A1 (en) 2011-01-27
DE102008018261A1 (de) 2009-10-15

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