EP1843375B1 - Elektromagnetischer Aktuator, insbesondere für einen Mittelspannungsschalter - Google Patents

Elektromagnetischer Aktuator, insbesondere für einen Mittelspannungsschalter Download PDF

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Publication number
EP1843375B1
EP1843375B1 EP06007167A EP06007167A EP1843375B1 EP 1843375 B1 EP1843375 B1 EP 1843375B1 EP 06007167 A EP06007167 A EP 06007167A EP 06007167 A EP06007167 A EP 06007167A EP 1843375 B1 EP1843375 B1 EP 1843375B1
Authority
EP
European Patent Office
Prior art keywords
electromagnetic actuator
yoke
actuator according
magnet core
actuator
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.)
Active
Application number
EP06007167A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1843375A1 (de
Inventor
Christian Dr.-Ing. Reuber
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.)
ABB Technology AG
Original Assignee
ABB Technology 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
Priority to ES06007167T priority Critical patent/ES2369372T3/es
Application filed by ABB Technology AG filed Critical ABB Technology AG
Priority to EP06007167A priority patent/EP1843375B1/de
Priority to PL06007167T priority patent/PL1843375T3/pl
Priority to AT06007167T priority patent/ATE515785T1/de
Priority to RU2008143300/09A priority patent/RU2410783C2/ru
Priority to BRPI0710042-6A priority patent/BRPI0710042B1/pt
Priority to AU2007233934A priority patent/AU2007233934B2/en
Priority to EP07723980A priority patent/EP2005456A1/de
Priority to PCT/EP2007/003039 priority patent/WO2007113006A1/de
Priority to UAA200811819A priority patent/UA93899C2/uk
Priority to CN2007800112999A priority patent/CN101410923B/zh
Priority to MX2008012639A priority patent/MX2008012639A/es
Publication of EP1843375A1 publication Critical patent/EP1843375A1/de
Priority to US12/245,489 priority patent/US9190234B2/en
Priority to HK09109528.3A priority patent/HK1131254A1/xx
Application granted granted Critical
Publication of EP1843375B1 publication Critical patent/EP1843375B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2209—Polarised relays with rectilinearly movable armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1638—Armatures not entering the winding
    • H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/088—Electromagnets; Actuators including electromagnets with armatures provided with means for absorbing shocks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6662—Operating arrangements using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement

Definitions

  • the invention relates to an electromagnetic actuator, in particular for a medium voltage switch, with a core acted upon by a coil, and a movable yoke, according to the preamble of claim 1, and a method for producing such an actuator, according to the preamble of claim 15th
  • Electromagnetic actuators of this type are widely used. In addition to the application in medium-voltage switches as controlled actuation of the movable contacts, such actuators are also used in machines and in switches.
  • the state of the art in the electromagnetic drive of medium-voltage vacuum circuit breakers are single and double-coil electromagnets.
  • the electromagnet has the function of moving the movable contact of the vacuum chamber towards the fixed contact when it is switched on and, in an overstroke, tensioning a contact pressure spring.
  • the coil of the electromagnet is energized.
  • the switched-on position is then with the help of one or more Permanent magnets held against the force of the contact pressure spring.
  • Current in the coil used as Einschaltspule is then no longer required.
  • a Ausschaltspule is energized in a two-ply actuator, which initially weakens the holding force of Permanente so far that the contact pressure spring can not be maintained and the movable contact opens. In the course of the switch-off, an opening force can be generated by the Ausschaltspule.
  • the deactivation can essentially only be initiated by the coil. The further course of the elimination is then determined by the contact pressure spring and by a separate opening spring.
  • the invention is therefore based on the object, an electromagnetic actuator of the type mentioned, in particular for an advantageous use in a medium voltage switch to the effect that a compact design is achieved at the same time high actuator force.
  • Core of the invention here is that this rectangular core is combined with a round, ie rotationally symmetrical yoke.
  • a magnetic core is rectangular and has a fixed width and a variable depth. Since the core is built up of layered sheets, the depth can be adjusted by the number of sheets. Lateral fixings, bearings and axle can be taken over. Only the permanent magnets and the bobbins are to be adapted to the size of the core via a length variant.
  • the present invention Compared to a two-pulley actuator, the present invention - as well as existing single-coil actuators - has the advantages of reduced size and reduced weight. This is essentially because only one coil and only one magnetic circuit are needed. Compared to existing single-coil actuators, the present invention enables a simple adjustment of the magnet size to the rated short-circuit currents to be controlled by medium-voltage circuit breakers in the grid of 12.5-16-20-25-31.5-40 and 50 kA. It is primarily necessary to change the holding force of the actuator by changing the air gap area.
  • Another advantage of the invention is that the yoke can be rotated on the axis in a thread so as to be able to adjust the stroke of the magnetic actuator steplessly. Again, the advantage of using a single actuator for a variety of applications that differ by a different switching stroke.
  • a particularly compact device can be realized if the drive is arranged directly below the switching pole to be driven, waiving levers and deflections.
  • the direct coupling meets the quality of the path / time characteristic of the drive, which is then free of disturbing influences of spring stiffness and lots of a more complicated drive system.
  • the actuator is placed directly underneath the vacuum interrupter chamber of a medium-voltage switch, and acts directly on the contact rod. This is a good and fast Kaftein Sign accomplished.
  • the actuator switches several switching chambers simultaneously via coupling elements.
  • the actuator drives the switching chamber or the switching chambers via lever elements. For certain types of switch this is necessary. Due to the advantageously achieved high actuation forces, this is also possible.
  • the hub can be changed via a geometrical design change of the yoke on the actuating axis.
  • permanent magnets are incorporated in the magnetic core whose magnetization direction is largely parallel to the plane of the air gap.
  • the magnetic circuit is structurally tuned so that a magnetic induction of more than 2 Tesla is present in the air gap.
  • the yoke is fixed on an actuating axis which is displaceable on one side through the magnetic core and is connected on the other side to the contact actuating rod to be switched.
  • a damping pad is arranged between the lower yoke and the underside of the magnetic yoke.
  • At least one spring is provided acting on the actuating axis, which may preferably be a leaf spring.
  • the magnetic core of iron sheets By constructing the magnetic core of iron sheets, the eddy currents induced by flux changes are sufficiently reduced. Also on the addition of silicon in the iron can be omitted.
  • FIG. 1 shows a perspective view of an actuator, with an electromagnet 1 with a coil 5, a rectangular magnetic core 2 a round yoke 3.
  • the yoke is mounted on an actuating axis 4, which extends axially through the magnet core 2 axially movable therethrough.
  • FIG. 2 shows a Flußliniendargnagna this electromagnetic actuator.
  • the magnetic core 2 shows the Flußlinienveriank when the system is closed, ie when the round yoke 3 rests on the magnetic core 2.
  • Integrated inside the magnetic core are permanent magnets 6 whose direction of magnetization lies parallel to the air-gap plane.
  • the actuating axis is not shown here, but on her the round yoke 2 and the lower lower yoke 7 are kept spaced apart in this functional manner, as already described above. Hissing small yoke 7 and the magnetic core 2, a damping pad 8 may be arranged.
  • the actuator can therefore be arranged within a switching device.
  • the actuating axis of the actuator is connected to the movable contact of a vacuum interrupter chamber, and acts on this switch-actuating accordingly.
  • This connection can be articulated in a straight line but also via levers.
  • the high magnetic energy permanent magnet materials available commercially e.g., NdFeB, SmCo
  • NdFeB, SmCo The high magnetic energy permanent magnet materials available commercially
  • the permanent magnets were installed with a horizontal polarity. If the river then goes in the leg in the horizontal direction, it is concentrated there. For a given width of the leg so a larger flow can be generated as in the arrangement of the permanent magnets in the leg and with vertical polarization.
  • the present magnetic actuator is designed so that a magnetic induction of more than 2 T is achieved.
  • a second, smaller holding force in the switched-off position of the magnet can be achieved by a second, smaller yoke be generated. This serves to lock the switched-off position of the movable contact of the vacuum chamber, which thus prevents accidental switching on, e.g. is protected by vibration.
  • a damping pad may be inserted, which damps the mechanical abutment of the second yoke on the core at a turn-off. This serves both to avoid vibrations during the attack and a longer life of the entire switching device.
  • magenta core iron sheets with a low silicon content in order to reduce flow changes induced eddy currents.
  • silicon reduces the magnetic polarizability of the material.
  • in the present magnetic actuator iron sheets can be used without addition of silicon.
  • the turn-off spring can not be placed in the center of the magnet, since this would represent a disturbance of the magnetic symmetry, which can be compensated for only one size , Instead, it is intended to place the opening spring outside the magnet.
  • a leaf spring is proposed, which is fastened below the actuator and is laterally supported on the housing of the switching device.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Damping Devices (AREA)
EP06007167A 2006-04-05 2006-04-05 Elektromagnetischer Aktuator, insbesondere für einen Mittelspannungsschalter Active EP1843375B1 (de)

Priority Applications (14)

Application Number Priority Date Filing Date Title
EP06007167A EP1843375B1 (de) 2006-04-05 2006-04-05 Elektromagnetischer Aktuator, insbesondere für einen Mittelspannungsschalter
PL06007167T PL1843375T3 (pl) 2006-04-05 2006-04-05 Urządzenie uruchamiające elektromagnetyczne, zwłaszcza dla przełącznika napięcia średniego
AT06007167T ATE515785T1 (de) 2006-04-05 2006-04-05 Elektromagnetischer aktuator, insbesondere für einen mittelspannungsschalter
ES06007167T ES2369372T3 (es) 2006-04-05 2006-04-05 Actuador electromagnético , en particular para un interruptor de media tensión.
MX2008012639A MX2008012639A (es) 2006-04-05 2007-04-04 Actuador electromagnetico, particularmente para un conmutador de tension media.
AU2007233934A AU2007233934B2 (en) 2006-04-05 2007-04-04 Electromagnetic actuator, in particular for a medium-voltage switch
EP07723980A EP2005456A1 (de) 2006-04-05 2007-04-04 Elektromagnetischer aktuator, insbesondere für einen mittelspannungsschalter
PCT/EP2007/003039 WO2007113006A1 (de) 2006-04-05 2007-04-04 Elektromagnetischer aktuator, insbesondere für einen mittelspannungsschalter
RU2008143300/09A RU2410783C2 (ru) 2006-04-05 2007-04-04 Электромагнитный исполнительный элемент управления, в частности, для выключателя среднего напряжения
CN2007800112999A CN101410923B (zh) 2006-04-05 2007-04-04 电磁的执行器
BRPI0710042-6A BRPI0710042B1 (pt) 2006-04-05 2007-04-04 Atuador eletromagnético, especialmente para conector de média voltagem
UAA200811819A UA93899C2 (uk) 2006-04-05 2007-04-04 Електромагнітний актуатор, зокрема для перемикача середньої напруги
US12/245,489 US9190234B2 (en) 2006-04-05 2008-10-03 Electromagnetic actuator, in particular for a medium voltage switch
HK09109528.3A HK1131254A1 (en) 2006-04-05 2009-10-15 Electromagnetic actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06007167A EP1843375B1 (de) 2006-04-05 2006-04-05 Elektromagnetischer Aktuator, insbesondere für einen Mittelspannungsschalter

Publications (2)

Publication Number Publication Date
EP1843375A1 EP1843375A1 (de) 2007-10-10
EP1843375B1 true EP1843375B1 (de) 2011-07-06

Family

ID=36939183

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06007167A Active EP1843375B1 (de) 2006-04-05 2006-04-05 Elektromagnetischer Aktuator, insbesondere für einen Mittelspannungsschalter
EP07723980A Withdrawn EP2005456A1 (de) 2006-04-05 2007-04-04 Elektromagnetischer aktuator, insbesondere für einen mittelspannungsschalter

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07723980A Withdrawn EP2005456A1 (de) 2006-04-05 2007-04-04 Elektromagnetischer aktuator, insbesondere für einen mittelspannungsschalter

Country Status (13)

Country Link
US (1) US9190234B2 (zh)
EP (2) EP1843375B1 (zh)
CN (1) CN101410923B (zh)
AT (1) ATE515785T1 (zh)
AU (1) AU2007233934B2 (zh)
BR (1) BRPI0710042B1 (zh)
ES (1) ES2369372T3 (zh)
HK (1) HK1131254A1 (zh)
MX (1) MX2008012639A (zh)
PL (1) PL1843375T3 (zh)
RU (1) RU2410783C2 (zh)
UA (1) UA93899C2 (zh)
WO (1) WO2007113006A1 (zh)

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EP2874169A1 (en) 2013-11-18 2015-05-20 ABB Technology AG Actuator for medium voltage switchgear
EP3182436A1 (en) 2015-12-18 2017-06-21 ABB Schweiz AG Medium voltage circuit breaker for subsea applications

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US8864120B2 (en) * 2009-07-24 2014-10-21 The Boeing Company Electromagnetic clamping system for manufacturing large structures
ES2388554T3 (es) * 2009-10-14 2012-10-16 Abb Technology Ag Actuador magnético biestable para un disyuntor de media tensión
EP2312606B1 (en) * 2009-10-14 2013-02-27 ABB Technology AG Circuit-breaker with a common housing
US8680956B2 (en) * 2009-10-29 2014-03-25 Mitsubishi Electric Corporation Electromagnet device and switch device using electromagnet device
PL2330609T3 (pl) * 2009-12-04 2012-12-31 Abb Technology Ag Magnetyczne urządzenie uruchamiające dla układu wyłącznika instalacyjnego
EP2388793A1 (en) * 2010-05-21 2011-11-23 ABB Research Ltd. Actuator, tripping device and switch
EP2426690B1 (en) 2010-09-04 2016-11-02 ABB Schweiz AG Magnetic actuator for a circuit breaker arrangement
EP2434519A1 (en) 2010-09-27 2012-03-28 ABB Technology AG Magnetic actuator with two-piece side plates for a circuit breaker
EP2434503B1 (en) 2010-09-27 2015-07-29 ABB Technology AG Magnetic actuator with a non-magnetic insert
EP2460637B1 (en) 2010-12-03 2013-11-13 ABB Technology AG A push rod of a vacuum interrupter and method of manufacturing the same
WO2013017137A1 (en) * 2011-07-29 2013-02-07 Abb Technology Ag Magnetic actuator with rotatable armature
FR2989511B1 (fr) * 2012-04-16 2014-04-04 Valeo Sys Controle Moteur Sas Actionneur electromagnetique a aimant permanent.
MX343384B (es) 2012-05-07 2016-11-03 S & C Electric Co Reconector desconectable.
EP2704173A1 (en) 2012-08-27 2014-03-05 ABB Technology AG Electromagnetic actuator for a medium voltage vacuum circuit breaker
GB201318170D0 (en) * 2013-10-14 2013-11-27 Univ Edinburgh Proteins with Diagnostic and Therapeutic Uses
EP3185273A1 (en) * 2015-12-22 2017-06-28 ABB Schweiz AG Bi-stable relay
DE102016205329A1 (de) * 2016-03-31 2017-10-05 Kendrion Kuhnke Automation Gmbh Elektromagnetischer Haftmagnet sowie Verfahren zum Herstellen desselben, elektromagnetisches Verriegelungselement und Verwendung desselben
ES2745859T3 (es) * 2016-06-13 2020-03-03 Abb Schweiz Ag Contactor de media tensión
US10670361B2 (en) 2017-03-08 2020-06-02 Sturm, Ruger & Company, Inc. Single loop user-adjustable electromagnetic trigger mechanism for firearms
US10240881B1 (en) 2017-03-08 2019-03-26 Louis M. Galie Fast action shock invariant magnetic actuator for firearms
US11300378B2 (en) 2017-03-08 2022-04-12 Sturm, Ruger & Company, Inc. Electromagnetic firing system for firearm with interruptable trigger control
US10458736B2 (en) 2017-03-08 2019-10-29 Sturm, Ruger & Company, Inc. Dynamic variable force trigger mechanism for firearms
US10969186B2 (en) 2017-03-08 2021-04-06 Strum, Ruger & Company, Inc. Fast action shock invariant magnetic actuator for firearms
US10900732B2 (en) 2017-03-08 2021-01-26 Sturm, Ruger & Company, Inc. Electromagnetic firing system for firearm with firing event tracking
EP3593080B1 (en) 2017-03-08 2024-02-21 Sturm, Ruger & Company, Inc. Dynamic variable force trigger mechanism for firearms
US10825625B1 (en) 2019-06-07 2020-11-03 Smart Wires Inc. Kinetic actuator for vacuum interrupter

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2874169A1 (en) 2013-11-18 2015-05-20 ABB Technology AG Actuator for medium voltage switchgear
US9478342B2 (en) 2013-11-18 2016-10-25 Abb Schweiz Ag Actuator for medium voltage switchgear
EP3182436A1 (en) 2015-12-18 2017-06-21 ABB Schweiz AG Medium voltage circuit breaker for subsea applications

Also Published As

Publication number Publication date
US20090039989A1 (en) 2009-02-12
US9190234B2 (en) 2015-11-17
WO2007113006A1 (de) 2007-10-11
RU2008143300A (ru) 2010-05-10
CN101410923A (zh) 2009-04-15
EP1843375A1 (de) 2007-10-10
PL1843375T3 (pl) 2011-12-30
BRPI0710042A2 (pt) 2011-08-02
AU2007233934B2 (en) 2011-02-03
HK1131254A1 (en) 2010-01-15
ES2369372T3 (es) 2011-11-30
UA93899C2 (uk) 2011-03-25
ATE515785T1 (de) 2011-07-15
CN101410923B (zh) 2012-05-30
RU2410783C2 (ru) 2011-01-27
EP2005456A1 (de) 2008-12-24
BRPI0710042B1 (pt) 2018-07-03
MX2008012639A (es) 2008-11-27
AU2007233934A1 (en) 2007-10-11

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