EP1068625A1 - Drive devices for interrupter units in power supply switching devices - Google Patents

Drive devices for interrupter units in power supply switching devices

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Publication number
EP1068625A1
EP1068625A1 EP99924675A EP99924675A EP1068625A1 EP 1068625 A1 EP1068625 A1 EP 1068625A1 EP 99924675 A EP99924675 A EP 99924675A EP 99924675 A EP99924675 A EP 99924675A EP 1068625 A1 EP1068625 A1 EP 1068625A1
Authority
EP
European Patent Office
Prior art keywords
drive
devices
linear motor
switching
interrupter units
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.)
Granted
Application number
EP99924675A
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German (de)
French (fr)
Other versions
EP1068625B1 (en
Inventor
Nils Anger
Andreas Stelzer
Hartmut SCHÖNTAG
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
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Siemens AG
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1068625A1 publication Critical patent/EP1068625A1/en
Application granted granted Critical
Publication of EP1068625B1 publication Critical patent/EP1068625B1/en
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
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/36—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H01H2003/268—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor using a linear motor

Definitions

  • the invention relates to drive devices for interrupter units of switchgear for power supply and distribution, in particular for vacuum circuit breakers of medium-voltage switchgear, with lever arrangements controllable by means of solenoid drives for actuating the movable contact parts of the switchgear by means of coupling rods, each of the switchgear having at least one pole part and one drive part is equipped and each solenoid drive has a movable armature as well as a closing coil and a closing coil.
  • the conventional spring-loaded drives for the interrupter units which are formed from a large number of mechanical individual elements, are here by
  • the movable contact part of the interrupter unit - here designed as a circuit breaker within a vacuum chamber - is vertically deflected via a so-called coupling rod, the coupling rod being connected to a lever shaft coupled by the magnetic drive Lever shaft is connected at one end to the coupling rod of the interrupter unit, while the other end of the coupling rod is also controlled by the armature of the magnetic drive
  • the lifting force of the magnetic drive for actuating the movable contact part of the interrupter unit becomes So deflected by means of the lever shaft such that within the 2 interrupter unit again a deflection in the vertical direction.
  • the magnetic drive has a switch-on coil and a switch-off coil, the switch-on coil and the switch-off coil only being used for switching, while the generation of the holding forces is achieved solely by the permanent magnets.
  • the object on which the invention is based is to improve the known magnetic drive devices for the interrupter units in terms of construction and to significantly simplify them kinematically and, moreover, to design the interrupter units themselves as a compact functional unit.
  • lever arrangements are an integral part of the linear motor drives
  • the linear motor drives can be influenced in each case by a control unit which optimizes the movement sequences of the switching processes that are relevant to the switching physics,
  • each linear motor drive is controlled via a mains connection.
  • linear motor drives for the interrupter units, force redirection is no longer required to control the moving contact parts.
  • the linear motor drives thus provide 3 are very simple drive means that easily meet the high demands in this technology with regard to greater reliability with a correspondingly high switching frequency. With the simple linearly acting power transmission, the design expenditure compared to the previously known drive devices is limited to a minimum.
  • linear motor drives are realized by three-phase linear motors
  • the three-phase linear motors are formed from thrust force and movement stroke determining individual components, 2.3 the individual components are realized by the number of motor coils and / or by the number of motor modules operated in parallel.
  • the interrupter units can be designed as compact components which are known to be manufactured with a correspondingly small volume in the gas space filled with insulating gas or air, for example. 4 A further advantageous embodiment of the invention sees the features
  • FIG. 1 showing an interruption unit with three vacuum switches that are controlled by a common linear drive
  • FIG. 2 this interrupter unit together with one
  • FIG. 1 shows the interrupter unit UE with three vacuum switches, the movable contact parts of which are actuated by the linear motor drive LA in the movement stroke marked by the arrow by means of the common lever arrangement HA. Furthermore, it is indicated that the linear motor drive LA is realized by the three-phase linear motor DL, the movement stroke of which directly effects the actuation of the lever arrangement HA from the motor coils MS. Depending on the required thrust and the required movement stroke, the number of motor coils MS and / or the number of motor modules MM can be adapted accordingly in the linear motor drive.
  • the linear motor drive LA is connected to the control unit SE, with which the movement sequences relevant to the switching physics of the movable contact parts of the interrupter units UE can be optimally controlled.
  • FIG. 2 shows a further exemplary embodiment of the invention, in which the interrupter unit UE is accommodated together with the three-phase linear motor DL and the control unit SE in the gas space GR.
  • the necessary network connection NA for the control unit is led directly into the gas space GR by means of a known gas-tight bushing, not shown.
  • the individual components in the gas space GR can be of correspondingly smaller dimensions in order to implement the same performance requirements.
  • FIG. 3 provides a further merging of the individual components of the interrupter unit UE, in which the linear motor drive LA with the
  • Control unit SE are housed directly in the vacuum switch.
  • the required mains connection NA is led into the interior of the vacuum switch by means of a gas-tight bushing.

Abstract

The invention relates to drive devices for interrupter units in power supply and distribution switching units, especially for vacuum circuit breakers in medium voltage switching devices. Said drive devices comprise lifting devices (HA) controlled by a magnetic coil drive for actuating the movable contact members of the switching devices by means of coupling bars. Each switching device is fitted with at least one pole member and a drive member. Each magnetic coil drive has a movable armature and an on coil and an off coil. The magnetic coil drives of the interrupter units are replaced by linear motor drives (LA) whose integrated lifting devices (HA) directly bring about gearless actuation of the movable contact parts of the switching devices. The movements relevant to switching can be influenced by a control unit optimizing the switching operation. Said drive devices are used in interrupter units for power supply and distribution switching devices.

Description

1 Beschreibung 1 description
Antriebseinrichtungen für Unterbrechereinheiten von Schaltgeräten zur Energieversorgung und - VerteilungDrive devices for interrupter units of switching devices for energy supply and distribution
Die Erfindung betrifft Antriebseinrichtungen für Unterbrechereinheiten von Schaltgeräten zur Energieversorgung und - Verteilung, insbesondere für Vakuum- Leistungsschalter von Mittelspannungsschaltgeräten, mit mittels Magnet- spulenantriebe steuerbaren Hebelanordnungen zur Betätigung der beweglichen Kontaktteile der Schaltgeräte durch Koppelstangen, wobei jedes der Schaltgeräte mit mindestens einem Polteil und einem Antriebsteil ausgestattet ist und jeder Magnetspulenantrieb einen beweglichen Anker sowie eine Einschaltspule und eine Ausschaltspule aufweist.The invention relates to drive devices for interrupter units of switchgear for power supply and distribution, in particular for vacuum circuit breakers of medium-voltage switchgear, with lever arrangements controllable by means of solenoid drives for actuating the movable contact parts of the switchgear by means of coupling rods, each of the switchgear having at least one pole part and one drive part is equipped and each solenoid drive has a movable armature as well as a closing coil and a closing coil.
Antriebseinrichtungen der eingangs definierten Art sind durch die Druckschrift "Elektrizitätswirtschaft, Jg. 96 ((1997), Heft 21, Seiten 1205 bis 1208 bekannt. Die herkömmlichen Federspeicherantriebe für die Unterbrechereinheiten, die aus einer großen Anzahl von mechanischen Einzelelementen gebildet sind, werden hier durch ein durch einen weniger aufwendigen permanent - magnetischen Antrieb ersetzt. Der bewegliche Kontaktteil der Unterbrechereinheit - hier als Leistungs- Schalter innerhalb einer Vakuumkammer ausgeführt - wird über eine sogenannten Koppelstange vertikal ausgelenkt, wobei die Koppelstange mit einer vom magnetischen Antrieb gekoppelten Hebelwelle in Verbindung steht. Die Hebelwelle ist mit dem einen Ende mit der Koppelstange der Unterbrechereinheit verbunden, während das andere Ende der Koppelstange mit vom Anker des magnetischen Antriebs gesteuert wird. Die Hubkraft des Magnetischen Antriebs zur Betätigung des beweglichen Kontaktteils der Unterbrechereinheit wird also mittels der Hebelwelle derart umgelenkt, daß innerhalb der 2 Unterbrechereinheit erneut eine Auslenkung in vertikaler Richtung erfolgt .Drive devices of the type defined at the outset are known from the publication "Elektrizitätswirtschaft, vol. 96 ((1997), number 21, pages 1205 to 1208. The conventional spring-loaded drives for the interrupter units, which are formed from a large number of mechanical individual elements, are here by The movable contact part of the interrupter unit - here designed as a circuit breaker within a vacuum chamber - is vertically deflected via a so-called coupling rod, the coupling rod being connected to a lever shaft coupled by the magnetic drive Lever shaft is connected at one end to the coupling rod of the interrupter unit, while the other end of the coupling rod is also controlled by the armature of the magnetic drive The lifting force of the magnetic drive for actuating the movable contact part of the interrupter unit becomes So deflected by means of the lever shaft such that within the 2 interrupter unit again a deflection in the vertical direction.
Der magnetische Antrieb weist neben dem Permanentmagneten und dem beweglichen Anker eine Einschaltspule und eine Aus- schaltspule auf , wobei die Einschaltspule und die Ausschaltspule lediglich zum Umschalten dienen, während die Erzeugung der Haltekräfte allein durch die Permanetmagnete erreicht wird .In addition to the permanent magnet and the movable armature, the magnetic drive has a switch-on coil and a switch-off coil, the switch-on coil and the switch-off coil only being used for switching, while the generation of the holding forces is achieved solely by the permanent magnets.
Die der Erfindung zugrundeliegende Aufgabe besteht darin, die bekannten magnetischen Antriebseinrichtungen für die Unterbrechereinheiten konstruktiv zu verbessern und kinematisch wesentlich zu vereinfachen und darüber hinaus die Unterbrechereinheiten selbst als kompakte Funktionseinheit zu gestalten .The object on which the invention is based is to improve the known magnetic drive devices for the interrupter units in terms of construction and to significantly simplify them kinematically and, moreover, to design the interrupter units themselves as a compact functional unit.
Erfindungsgemäß wird dies durch die MerkmaleAccording to the invention, this is due to the features
1 . 1 die Magnetspulenantriebe der Unterbrechereinheiten sind durch Linearmotorantriebe ersetzt,1 . 1 the solenoid drives of the interrupter units are replaced by linear motor drives,
1 .2 die Hebelanordnungen sind integraler Bestandteil der Linearmotorantriebe,1 .2 the lever arrangements are an integral part of the linear motor drives,
1 . 3 die Linearmotorantriebe sind j eweils durch eine die schaltphysikalisch relevanten Bewegungsabläufe der Schaltvorgänge optimierende Steuereinheit beeinflußbar,1 . 3 the linear motor drives can be influenced in each case by a control unit which optimizes the movement sequences of the switching processes that are relevant to the switching physics,
1 . 4 die Steuereinheit j edes Linearmotorantriebs ist über einen Netzanschluß gesteuert, erreicht .1 . 4 The control unit of each linear motor drive is controlled via a mains connection.
Mit dem Einsatz von Linearmotorantriebe für die Unterbrechereinheiten sind zur Steuerung der bewegten Kontaktteile keine Kraftumlenkungen mehr erforderlich. Die Linearmotorantriebe mit ihren in reibungsarmen Gleitführungen gelagerten extrem flachen Läufern wirken - ohne Zwischenschaltung von Hebelwellen oder Getrieben - direkt mit ihrer linearen Kraftkomponente auf die bewegbaren Kontaktteile der Unter- brechereinheit ein. Die Linearmotorantriebe stellen somit 3 sehr einfache Antriebsmittel dar, die ohne Schwierigkeiten die in dieser Technik geforderten hohen Anforderungen hinsichtlich größer Zuverlässigkeit bei entsprechend hoher Schalthäufigkeit erfüllen. Mit der einfachen linear wirkenden Kraftübertragung sind die konstruktiven Aufwendungen gegenüber den bisher bekannten Antriebseinrichtungen auf ein Minimum begrenzt.With the use of linear motor drives for the interrupter units, force redirection is no longer required to control the moving contact parts. The linear motor drives with their extremely flat sliders, which are mounted in low-friction slide guides, act directly on the movable contact parts of the interrupter unit with their linear force components - without the interposition of lever shafts or gears. The linear motor drives thus provide 3 are very simple drive means that easily meet the high demands in this technology with regard to greater reliability with a correspondingly high switching frequency. With the simple linearly acting power transmission, the design expenditure compared to the previously known drive devices is limited to a minimum.
Eine vorteilhafte Ausgestaltung der Erfindung sieht die MerkmaleAn advantageous embodiment of the invention sees the features
2.1 die Linearmotorantriebe sind durch Drehstromlinearmotore realisiert,2.1 the linear motor drives are realized by three-phase linear motors,
2.2 die Drehstromlinearmotore sind aus Schubkraft und Bewegungshub bestimmenden Einzelkomponeneten gebildet, 2.3 die Einzelkomponenten sind durch die Anzahl von Motorspulen und/oder durch die Anzahl parallel betriebener Motormodule realisiert, vor. Mit der Einsatz von Drehstromlinearmotoren, deren Einzelkomponenten in sehr einfacher Weise an die jeweiligen Bedürfnisse der Schubkraft und des Bewegungshubes anzupassen sind, entfallen kostenintensive Regeleinrichtungen zur Bereitstellung derartiger Anforderungen.2.2 the three-phase linear motors are formed from thrust force and movement stroke determining individual components, 2.3 the individual components are realized by the number of motor coils and / or by the number of motor modules operated in parallel. With the use of three-phase linear motors, the individual components of which can be adapted in a very simple manner to the respective requirements of the thrust force and the movement stroke, cost-intensive control devices for providing such requirements are eliminated.
Eine weitere vorteilhafte Ausgestaltung der Erfindung sind durch die MerkmaleA further advantageous embodiment of the invention are due to the features
3.1 die Unterbrechereinheiten und die Linearmotorantriebe mit den Steuereinheiten sind in einem gemeinsamen Gasraum angeordnet,3.1 the interrupter units and the linear motor drives with the control units are arranged in a common gas space,
3.2 der Netzanschluß wird dem Gasraum über eine gasdichte Durchführung zugeführt, gegeben.3.2 the network connection is given to the gas space via a gas-tight bushing.
Mit diesen Maßnahmen lassen sich die Unterbrechereinheiten als kompakte Bauteile konzipieren, die in dem beispielsweise mit Isoliergas oder mit Luft gefüllten Gasraum bekanntermaßen mit entsprechend geringem Volumen herzustellen sind. 4 Eine weitere vorteilhafte Ausgestaltung der Erfindung sieht die MerkmaleWith these measures, the interrupter units can be designed as compact components which are known to be manufactured with a correspondingly small volume in the gas space filled with insulating gas or air, for example. 4 A further advantageous embodiment of the invention sees the features
4.1 die Linearmotorantriebe sind integraler Bestandteil der Unterbrechereinheiten, 4.2 die Steuereinheiten sind integraler Bestandteil der Linearmotorantriebe, vor. Mit diesen Maßnahmen ist die angestrebte Kompaktheit dieser Unterbrechereinheiten erheblich erweitert.4.1 the linear motor drives are an integral part of the interrupter units, 4.2 the control units are an integral part of the linear motor drives. With these measures, the desired compactness of these interrupter units is considerably expanded.
Die Erfindung wird durch in drei Figuren dargestellte Ausführungsbeispiele näher erläutert, wobei die Figur 1 eine Unterbrechungseinheit mit drei Vakuumschaltern zeigt, die durch einen gemeinsamen Linearantrieb gesteuert sind, die Figur 2 diese Unterbrechereinheit zusammen mit einemThe invention is explained in more detail by means of exemplary embodiments shown in three figures, FIG. 1 showing an interruption unit with three vacuum switches that are controlled by a common linear drive, and FIG. 2 this interrupter unit together with one
Drehstromlinearmotor in einem gemeinsamen Gasraum abbildet und die Figur 3 eine mit dem Lineantrieb voll integrierte Unterbrechereinheit erkennen läßt.Three-phase linear motor in a common gas space and the figure 3 shows a breaker unit fully integrated with the linear drive.
Die Fig. 1 zeigt die Unterbrechereinheit UE mit drei Vakuumschaltern, deren bewegliche Kontaktteile mittels der gemeinsamen Hebelanordnung HA von dem Linearmotorantrieb LA in der durch den Pfeil markierten Bewegungshub betätigt werden. Weiterhin ist angedeutet, daß der Linearmotorantrieb LA durch den Drehstromlinearmotor DL realisiert ist, deren Bewegungshub aus den Motorspulen MS heraus direkt die Betätigung der Hebelanordnung HA bewirkt. Je nach benötigter Schubkraft und erforderlichem Bewegungshub können beim Linearmotorantrieb die Anzahl der Motorspulen MS und/oder die Zahl der Motormodule MM entsprechend angepaßt werden. Der Linearmotorantrieb LA steht mit der Steuereinheit SE in Verbindung, mit der die schaltphysikalisch relevanten Bewegungsabläufe der beweglichen Kontaktteile der Unterbrechereinheiten UE optimal zu steuern sind. Die Fig. 2 zeigt ein weiteres Ausführungsbeispiel der Erfindung, in dem die Unterbrechereinheit UE zusammen mit dem Drehstromlinearmotor DL und der Steuereinheit SE in dem Gasraum GR untergebracht sind. Der notwendige Netzanschluß NA für die Steuereinheit wird mittels einer bekannten nicht dargestellten gasdichten Durchführung direkt in den Gasraum GR hereingeführt. Die einzelnen Komponenten im Gasraum GR können in bekannter weise zur Realisierung gleicher Leistungsanforderungen können in konstruktiver Hinsicht entsprechend geringer dimensioniert sein.1 shows the interrupter unit UE with three vacuum switches, the movable contact parts of which are actuated by the linear motor drive LA in the movement stroke marked by the arrow by means of the common lever arrangement HA. Furthermore, it is indicated that the linear motor drive LA is realized by the three-phase linear motor DL, the movement stroke of which directly effects the actuation of the lever arrangement HA from the motor coils MS. Depending on the required thrust and the required movement stroke, the number of motor coils MS and / or the number of motor modules MM can be adapted accordingly in the linear motor drive. The linear motor drive LA is connected to the control unit SE, with which the movement sequences relevant to the switching physics of the movable contact parts of the interrupter units UE can be optimally controlled. 2 shows a further exemplary embodiment of the invention, in which the interrupter unit UE is accommodated together with the three-phase linear motor DL and the control unit SE in the gas space GR. The necessary network connection NA for the control unit is led directly into the gas space GR by means of a known gas-tight bushing, not shown. In a known manner, the individual components in the gas space GR can be of correspondingly smaller dimensions in order to implement the same performance requirements.
Eine weitergehende Zusammenführung der einzelnen Komponenten der Unterbrechereinheit UE sieht das Ausführungsbeispiel der Fig. 3 vor, bei dem der Linearmotorantrieb LA mit derThe embodiment of FIG. 3 provides a further merging of the individual components of the interrupter unit UE, in which the linear motor drive LA with the
Steuereinheit SE direkt im Vakuumschalter untergebracht sind. Auch hier wird der benötigte Netzanschluß NA mittels einer gasdichten Durchführung in den Innenraum des Vakuumschalters geführt. Control unit SE are housed directly in the vacuum switch. Here, too, the required mains connection NA is led into the interior of the vacuum switch by means of a gas-tight bushing.

Claims

6 Patentansprüche 6 claims
1. Antriebseinrichtungen für Unterbrechereinheiten von Schaltgeräten zur Energieversorgung und - Verteilung, insbesondere für Vakuum- Leistungsschalter von1. Drive devices for interrupter units of switching devices for energy supply and distribution, in particular for vacuum circuit breakers from
Mittelspannungs-Schaltgeräten, mit mittels Magnetspulenantriebe steuerbaren Hebelanordnungen zur Betätigung der beweglichen Kontaktteile der Schaltgeräte durch Koppelstangen, wobei jedes der Schaltgeräte mit mindestens einem Polteil und einem Antriebsteil ausgestattet ist und jeder Magnetspulenantrieb einen beweglichen Anker sowie eine Einschaltspule und eine Ausschaltspule aufweist, g e k e n n z e i c h n e t d u r c h die MerkmaleMedium-voltage switchgear, with lever arrangements that can be controlled by means of solenoid drives for actuating the movable contact parts of the switchgear by means of coupling rods, each of the switchgear being equipped with at least one pole part and a drive part and each solenoid drive having a movable armature and a switch-on coil and a switch-off coil, features
1.1 die Magnetspulenantriebe der Unterbrechereinheiten (UE) sind durch Linearmotorantriebe (LA) ersetzt,1.1 the solenoid drives of the interrupter units (UE) are replaced by linear motor drives (LA),
1.2 die Hebelanordnungen (HA) sind integraler Bestandteil der Linearmotorantriebe (LA) ,1.2 the lever arrangements (HA) are an integral part of the linear motor drives (LA),
1.3 die Linearmotorantriebe (LA) sind jeweils durch eine die schaltphysikalisch relevanten Bewegungsabläufe der Schaltvorgänge optimierende Steuereinheit (SE) beeinflußbar,1.3 the linear motor drives (LA) can each be influenced by a control unit (SE) that optimizes the movement sequences of the switching processes that are relevant to the switching physics,
1.4 die Steuereinheit (SE) jedes Linearmotorantriebs (LA) ist über einen Netzanschluß (NA) gesteuert.1.4 the control unit (SE) of each linear motor drive (LA) is controlled via a mains connection (NA).
2. Antriebseinrichtungen für Unterbrechereinheiten von2. Drive devices for interrupter units from
Schaltgeräten zur Energieversorgung und - Verteilung nachSwitchgear for energy supply and distribution according to
Patentanspruch 1, g e k e n n z e i c h n e t d u r c h die MerkmaleClaim 1, g e k e n n z e i c h n e t d u r c h the features
2.1 die Linearmotorantriebe (LA) sind durch Drehstromlinearmotore (DL) realisiert,2.1 the linear motor drives (LA) are realized by three-phase linear motors (DL),
2.2 die Drehstromlinearmotore (DL) sind aus Schubkraft und Bewegungshub bestimmenden Einzelkomponenten gebildet,2.2 the three-phase linear motors (DL) are formed from individual components determining the thrust force and the movement stroke,
2.3 die Einzelkomponenten sind durch die Anzahl von Motorspulen (MS) und/oder durch die Anzahl parallel betriebener Motormodule (MM) realisiert. 2.3 the individual components are realized by the number of motor coils (MS) and / or by the number of motor modules (MM) operated in parallel.
3. Antriebseinrichtungen für Unterbrechereinheiten von Schaltgeräten zur Energieversorgung und - Verteilung nach Patentanspruch 1 und den Patentansprüchen 1 und 2, g e k e n n z e i c h n e t d u r c h die Merkmale3. Drive devices for interrupter units of switching devices for power supply and distribution according to claim 1 and claims 1 and 2, g e k e n n e e c i n e t d u r c h the features
3.1 die Unterbrechereinheiten (UE) und die Linearmotorantriebe (LA) mit den Steuereinheiten (SE) sind in einem gemeinsamen Gasraum (GR) angeordnet,3.1 the interrupter units (UE) and the linear motor drives (LA) with the control units (SE) are arranged in a common gas space (GR),
3.2 der Netzanschluß (NA) wird dem Gasraum (GR) über eine gasdichte Durchführung zugeführt.3.2 the network connection (NA) is fed to the gas space (GR) via a gas-tight bushing.
4. Antriebseinrichtungen für Unterbrechereinheiten von Schaltgeräten zur Energieversorgung und - Verteilung nach Patentanspruch 1 und den Patentansprüchen 1 und 2, g e k e n n z e i c h n e t d u r c h die Merkmale4. Drive devices for interrupter units of switching devices for energy supply and distribution according to claim 1 and claims 1 and 2, g e k e n n z e i c h n e t d u r c h the features
4.1 die Linearmotorantriebe (LA) sind integraler Bestandteil der Unterbrechereinheiten (UE) ,4.1 the linear motor drives (LA) are an integral part of the interrupter units (UE),
4.2 die Steuereinheiten (SE) sind integraler Bestandteil der Linearmotorantriebe (LA) . 4.2 the control units (SE) are an integral part of the linear motor drives (LA).
EP99924675A 1998-03-31 1999-03-19 Drive devices for interrupter units in power supply switching devices Expired - Lifetime EP1068625B1 (en)

Applications Claiming Priority (3)

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DE19815538A DE19815538A1 (en) 1998-03-31 1998-03-31 Drive devices for interrupter units of switching devices for energy supply and distribution
DE19815538 1998-03-31
PCT/DE1999/000889 WO1999050869A1 (en) 1998-03-31 1999-03-19 Drive devices for interrupter units in power supply switching devices

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EP1068625A1 true EP1068625A1 (en) 2001-01-17
EP1068625B1 EP1068625B1 (en) 2002-07-31

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US (1) US6849971B1 (en)
EP (1) EP1068625B1 (en)
CN (1) CN1201355C (en)
DE (2) DE19815538A1 (en)
ES (1) ES2181441T3 (en)
HK (1) HK1038277A1 (en)
WO (1) WO1999050869A1 (en)

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CN1201355C (en) 2005-05-11
DE59902191D1 (en) 2002-09-05
DE19815538A1 (en) 1999-10-07
CN1300441A (en) 2001-06-20
ES2181441T3 (en) 2003-02-16
EP1068625B1 (en) 2002-07-31
WO1999050869A1 (en) 1999-10-07
US6849971B1 (en) 2005-02-01
HK1038277A1 (en) 2002-03-08

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