EP1859465A1 - Electric supply circuit, switch actuating device and method for operating said switch actuating device - Google Patents
Electric supply circuit, switch actuating device and method for operating said switch actuating deviceInfo
- Publication number
- EP1859465A1 EP1859465A1 EP06724940A EP06724940A EP1859465A1 EP 1859465 A1 EP1859465 A1 EP 1859465A1 EP 06724940 A EP06724940 A EP 06724940A EP 06724940 A EP06724940 A EP 06724940A EP 1859465 A1 EP1859465 A1 EP 1859465A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- capacitor
- actuator
- switch
- coil
- supply circuit
- 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
Links
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
- H01H33/60—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
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
- H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
- H01H47/043—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current making use of an energy accumulator
-
- 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
- H01F2007/086—Structural details of the 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
- H01F7/1607—Armatures entering the winding
-
- 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
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
- H01F7/1816—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current making use of an energy accumulator
Definitions
- the invention relates to an electrical supply circuit for a switch actuating device for moving an actuator from a first switching position to a second switching position, a switch actuating device and a method for operating a switch actuating device.
- a magnetic field produced by a coil is used.
- the necessary for generating the magnetic field e- lectric energy is vorhal ⁇ th in a closing capacitor.
- the restoring force of return springs is essentially used.
- the return springs are stretched during the movement of the actuator from the open position to the closed position, so that they will hold the energy required to move the actuator from the closed position to the off ⁇ position substantially as mechanical energy in the springs.
- Only to release the magnetic fixation is the supply of electricity to a Necessary release coil which generates a magnetic field opposed to the fixing ⁇ acting magnetic field. Once the fixation is canceled and the switching operation is driven by the return springs, no current flow through the release coil is more necessary.
- the electrical energy for the release coil is kept in a Trennkon ⁇ capacitor whose capacity can be significantly lower than that of the closing capacitor.
- switch actuating device have in particular isolating capacitors whose capacity can accommodate a multiple of the charge required for transferring the actuator from the closed position to the open position.
- isolating capacitors whose capacity can accommodate a multiple of the charge required for transferring the actuator from the closed position to the open position.
- the invention has for its object to provide an improved electrical supply circuit for a Heidelbergerbet2011i ⁇ generating device. Moreover, it is an object of the invention to provide an improved Heidelbergerbet2011i ⁇ generating device and a method for operating such a switch actuating device.
- the first object is achieved by an electrical supply ⁇ circuit according to claim 1, the second object by a switch actuating device according to claim 8 and a method according to claim 11.
- the dependent claims contain advantageous developments of the invention.
- An electrical supply circuit for a switch actuating device with an actuator, an electromagnetic drive for bringing the actuator from a first switching position, such as the off position eg. A high-voltage switch, in a second switching ⁇ position, such as the switch-on of the exemplified high-voltage switch, a mechanical reset device for Bring the actuator from the second switching position back to the first switching position, a magnetic fixing unit for fixing the actuator in the second switching position and an electromagnetic release device for releasing the fixation comprises:
- a second capacitor electrically connectable to the release device for holding the electrical energy required by the release device to release the fixation.
- a switchable electrical connection is present between the first capacitor and the second capacitor.
- the power supply circuit according to the invention made ⁇ light there, with only the first capacitor as a closing capacitor and the second capacitor as the sole separating capacitor an OCO switching sequence in a Wegerbet2011i ⁇ constriction device execute, without to be made between the two switch-off charging of the isolating capacitor means of an external charging unit needs and without the isolation capacitor needs to hold enough charge for a second shutdown.
- the isolating capacitor can be recharged after the first separation process of an OCO switching sequence via the switchable electrical connection from the first capacitor.
- the recharging of the second capacitor from the first capacitor may be carried out immediately after the first discharging the second capacitor at a OCO switching sequence, into ⁇ particular before or optionally even during the energization of the drive coil by the first capacitor. So the release is ⁇ coil within the shortest possible time for operation, an OCO switching operation can in quick succession without the need for intermediate charging of the second con- denser performed by means of an external charging unit ⁇ the.
- the second capacitor i. the separator capacitor is provided with a capacity just sufficient to be just sufficient for a single dissolution process
- the first capacitor, i. the closing capacitor with a just for performing a closing operation, that is, for bringing the actuator from the first switching position to the second switching position, and a single recharging of the separating capacitor sufficient capacity is equipped.
- the electrical supply circuit can alswei ⁇ sen a charging unit, which is connected switchably connected to the first capacitor and the second capacitor.
- a switch, with which the first capacitor is connectable to the charging unit, and a switch, with which the first capacitor is connectable to the drive present, which are coupled to each other such that the first capacitor is not can be electrically connected simultaneously with the charging unit and the drive.
- This embodiment serves to protect the switching device and in particular ensures that the charging unit is not to be switched to the drive.
- a switch, with which the second capacitor with the first capacitor and / or the charging unit is connectable, and a switch, with which the second capacitor is connectable to the release device present, which are coupled to each other such that the second capacitor can not be electrically connected simultaneously with the first capacitor or the charging unit on the one hand and the release device on the other hand.
- This embodiment serves to protect the switching device, in particular the release device, by ensuring that the charging unit and the first capacitor are not connect to the release device.
- the electrical supply circuit has a current limiting resistor connected between the first capacitor and the second capacitor. This is advantageously after the maximum turn-on of the contacts of the switch and the zulässi ⁇ gene time delay, with which the second capacitor the voltage state of the first capacitor follows designed.
- the electrical supply circuit has a rectifier connected between the first capacitor and the second capacitor, or a diode.
- a switching element may also be used which keeps the second capacitor separated from the electromagnetic drive during the bringing of the actuator from the first switching position to the second switching position.
- a switch actuating device which can be configured in particular as an actuating device for a high-voltage switch, comprises:
- an electromagnetic drive for providing an actuator of a first switching position, such as the switch-off position, for example.
- a high-voltage switch in a second switching position, such as the switched-on position of this high-voltage switch, bringing switching power,
- a mechanical return device for providing a restoring force which brings the actuator from the second shift position into the first shift position
- a magnetic fixing unit for providing a fixing member fixing the actuator in the second switching position
- An electromagnetic release device for providing a fixing force overcoming the release force.
- circuit device comprises an electrical supply circuit according to the invention.
- the switch actuating device makes it possible to carry out an OCO switching sequence in the presence of only a first capacitor as the closing capacitor and a second capacitor as the only isolating capacitor in the electrical supply circuit, without having to charge the separating capacitor by means of an external charging unit between the two switching off operations and without the isolation capacitor needs to hold enough charge for a second shutdown. Further details have already been explained in more detail with reference to the electrical supply circuit according to the invention.
- the release device comprises a release coil which is connected in a switchable manner with the second capacitor for generating a magnetic field applying the release force.
- the capacitance of the second capacitor and the inductance of the release coil are matched to one another such that the second Kon ⁇ capacitor together with the release coil an electrical oscillating circuit forms, in which in the first current half ⁇ current flowing vibration generating the said release force enough magnetic field is sufficient.
- the first current half-wave can be used to completely discharge the charge stored in the second capacitor to the release coil. After actuation of the release coil, therefore, no unused charge remains in the capacitor.
- the stored in the second capacitor electric energy can be fully utilized and the two ⁇ th capacitor need only the necessary to operate the release coil minimum capacity.
- an almost currentless interruption of the electrical resonant circuit after generating the dissolving force applying magnetic field is possible, so that no inductive current is to be switched.
- the drive comprises a drive coil connected to the first capacitor in a switchable manner for generating a magnetic field applying the switching force.
- the capacitance of the first capacitor and the Induktivi ⁇ ty of the driving coil coordinated such that the first capacitor together with the driving coil a elekt ⁇ step resonant circuit, in which the current flowing in the first current half-wave current for generating the shift force magnetic field applying sufficient , In this way, the first current half-wave can be used to completely deliver the charge stored in the first capacitor to the drive coil. After actuation of the drive coil, therefore, no unused charge remains in the first capacitor.
- the electrical energy stored in the first capacitor can be fully utilized and the first capacitor only needs to have the minimum capacity necessary to operate the drive coil and recharge the second capacitor once.
- the second capacitor is recharged after carrying out a release operation from the first capacitor.
- the method according to the invention makes it possible to carry out an OCO switching sequence in a switch which has an electrical supply circuit with only one isolating capacitor, which also has only the capacity for carrying out a single separation process.
- operation of the second capacitor decoupling capacitor
- the second condensing gate is fully charged again.
- the second capacitor and the release coil of the release device and / or the first capacitor and the drive coil of the drive form a resonant circuit in which the capacitance of the capacitor and the inductance of the coil are suitably matched to ⁇ , and interrupting the electrical connection between coil And capacitor is carried out after the first half-oscillation of the respective resonant circuit, with the inventive method, a complete emptying of the corresponding capacitor and an electroless sub ⁇ breaking the electrical connection between the respective coil and the respective capacitor possible.
- Fig. 1 shows a schematic sectional view of a switch ⁇ actuating device with an actuator located in closed position.
- Fig. 2 shows the circuit diagram of an embodiment of an electrical supply circuit according to the invention.
- the switch actuator includes a fixed ferromagnetic stator 28 and a thereof in a recess between a first switch position and a second position moved back and forth, as ferromag- netic armature trained actuator 12.
- This actuator ⁇ member 12 has an actuating rod 12a, by means of which the High voltage switch can be opened and closed.
- the actuator 12 is in the first switching position, which represents the closed position of the high-voltage switch in the selected embodiment, that is the switching position in which the actuated via the control rod 12a high-voltage switch is closed.
- the fixing device 30 includes in this embodiment a permanent magnet, which holds the actuating member 12 against ⁇ action of return springs 26 and 26 'in the switch-on position.
- the return springs 26, 26 ' form a restoring device for transferring the actuator 12 from the closed position to a second switching position, which is the off position of the high voltage switch in the present embodiment, that is the position in wel ⁇ cher the actuated via the control rod 12a high-voltage scarf ⁇ ter open is.
- the fixing device 30 further includes a magnetic release coil 18, by means of which the fixation of the actuator 12 is releasable.
- the magnetic release coil 18 generates briefly a magnetic field of the permanent holding Magne ⁇ th opposing field.
- the actuator 12 moves on ⁇ the effect due to the return springs 26 and 26 'to the off position (in Fig. 1 downwards). From this position, the actuator 12 can then be moved by means of a magnetic drive coil 14 against the action of the return springs 26, 26 'in the closed position.
- Switch actuating means with suitable fixing means are, for example, EP writing in the already mentioned in the introduction pressure ⁇ 0,867,903 Bl and DE 103 09 679 B3 described. Reference is therefore made to these publications with regard to suitable embodiments of the fixing device 30.
- the electrical supply circuit shown in Fig. 2 comprises a magnetic drive coil 14, a magnetic solenoid 18, a for energizing the drive coil 14 to this switchable first capacitor 10 and a for energizing the release coil 18 to this switchable second capacitor 16.
- the capacitance of the second capacitor 16 is just chosen large enough that it is sufficient just once to solve the fixation of the actuator 12, the capacitance of the first con ⁇ capacitor 10 just so large that they are exactly once to over ⁇ lead the actuator 12th from the open position in the closed position against the restoring force of remindstellfe ⁇ countries 26, 26 'is sufficient and sufficient for recharging the second capacitor 16. Since during the transfer of the actuator 12 from the open position to the closed position at the same time energy for tensioning the return springs 26, 26 'is applied, the capacity of the first capacitor 10 exceeds that of the second capacitor by a multiple, in particular by a multiple.
- the supply circuit comprises a charging unit 32, which is switchable both to the first capacitor 10 and to the second capacitor 16 and a current limiting resistor 22 and a rectifier diode 24, which are connected between the first capacitor 10 and the second capacitor 16.
- a Nachladerelais 20 As a switch, a Nachladerelais 20, a relay 34 for connecting the charging unit 32, a drive coil switching relay 36 and a Lettesspulenschaltrelais 38 are present.
- the recharging ⁇ relay 20 is between the second capacitor 16 and the first capacitor 10, the relay 34 for connecting the charging unit 32 between the charging unit 32 on the one hand and the first capacitor 10 and the second capacitor 16 on the other hand, the drive coil relay 36 between the first capacitor 10th and the drive coil 14 and the Lettesspulere- lais 38 between the second capacitor 16 and the release coil 18 is connected.
- the first capacitor 10 may be connected to the drive coil 14 via the drive coil switching relay 36 to the drive ⁇ coil 14 and the second capacitor 16 for energizing the release coil 18 via the Lettesspulenschaltrelais 38 to the Lettesspu ⁇ le 18 for energizing the drive coil.
- the second capacitor 16 to switch to recharge via the Nachladerelais 20, the current limiting resistor 22 and the rectifier diode 24 to the capacitor th ers ⁇ 10th
- the first capacitor 10 and the second capacitor 16 can each be connected to the charging unit 32 for charging via the relay 34. In the case of the second capacitor 16 is to load on the La ⁇ detician 32 also Nachladerelais to close 20th
- the drive coil switching relay 36 and the relay 34 to switch to ⁇ the charging unit 32 are pelt such gekop ⁇ each other that they can not be closed simultaneously. This should avoid direct current flow from the charging unit 32 into the drive coil 14.
- the Nachladerelais 20 and the Lettesspulenschaltrelais 38 are coupled together so that they can not be closed ⁇ sen simultaneously. This should avoid direct current flow from the charging unit 32 or the first capacitor 10 into the release coil 18.
- the control circuit is designed to execute a so-called OCO switching sequence (open-close-open or switch-off). For this purpose, in the first step of such a switching sequence of the first capacitor 10 and the second capacitor 16 are charged by the charging unit 32 by closing the relay 34 and the Nachladerelais 20.
- the relay 34 is opened, and the release ⁇ coil switch relay 38 is closed. Then the charge stored in the second capacitor 16 flows into the magnetic field. see release coil 18, resulting in a fixation of the located in the closed position actuator 12 magnetic field. The dissolution results in a displacement of the actuating ⁇ member 12 of the closed to the open position due to the return springs 26 and 26 'stored mechanical energy result.
- the second capacitor 16 and the release coil 18 form an electrical resonant circuit, wherein the charge flows out of the second capacitor 16 into the release coil 18 by utilizing the first current half oscillation of the resonant circuit.
- the Kondensatorla ⁇ tion can be fully utilized in this way, so that virtually no residual charge remains after the switching operation in the second capacitor 16. It is possible as a nearly electroless Un ⁇ terbrechung of the electrical resonant circuit by opening the Lettespulenschaltrelais 38 after the switching operation.
- the Lierespulenschaltrelais 38 is opened again and the Nachladerelais 20 closed, whereupon the second capacitor 16 is fully charged by the first capacitor 10 again.
- the second capacitor 16 is therefore fully charged again before the switch-on, so that after the switch-on immediately followed by a further turn-off operation by operating the release coil 18 by means of the second capacitor 16. Due to the capacitances chosen for the two capacitors, sufficient charge is still left in the first capacitor 10 after the second capacitor 16 has been recharged to carry out a switch-on operation.
- the drive coil switching relay 36 is closed. Characterized the magnetic drive coil 14 is supplied from the first capacitor 10 with such charge that the actuator 12 is moved against the action of the return springs 26 and 26 'in the closed position.
- the first capacitor 10 and the driving coil 14 has a electrical ⁇ 's resonant circuit form, wherein the charge flows out of the resonant circuit of the first capacitor 10 by utilizing the first current half-wave.
- the charge ⁇ torladung can be fully utilized, so that virtually no residual charge remains after the switching operation in the first capacitor 10. It is possible to interrupt the electrical resonant circuit by opening the drive coil switching relay 36 after the switching operation, so that it is virtually currentless.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Relay Circuits (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005013196A DE102005013196A1 (en) | 2005-03-16 | 2005-03-16 | An electric supply circuit, a switch operating device, and a method of operating a switch operating device |
PCT/EP2006/060474 WO2006097412A1 (en) | 2005-03-16 | 2006-03-06 | Electric supply circuit, switch actuating device and method for operating said switch actuating device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1859465A1 true EP1859465A1 (en) | 2007-11-28 |
EP1859465B1 EP1859465B1 (en) | 2010-06-30 |
Family
ID=36371010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06724940A Not-in-force EP1859465B1 (en) | 2005-03-16 | 2006-03-06 | Electric supply circuit, switch actuating device and method for operating said switch actuating device |
Country Status (5)
Country | Link |
---|---|
US (1) | US7612977B2 (en) |
EP (1) | EP1859465B1 (en) |
CN (1) | CN101142649B (en) |
DE (2) | DE102005013196A1 (en) |
WO (1) | WO2006097412A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2942909B1 (en) * | 2009-03-09 | 2012-12-07 | Areva T & D Sa | DEVICE AND METHOD FOR CHARGING AND MONITORING AT LEAST ONE CONDENSER USED IN DISCHARGE TO CONTROL A MAGNETIC ACTUATOR, IN PARTICULAR FOR MEDIUM OR HIGH VOLTAGE EQUIPMENT |
JP5948176B2 (en) | 2012-07-24 | 2016-07-06 | 株式会社日立製作所 | Switch |
FR3020894B1 (en) * | 2014-05-09 | 2018-02-02 | Whylot | SYSTEM OF AT LEAST ONE ELECTRO-MAGNET WITH BUOY EDGES OFF PLANS |
US10205374B2 (en) | 2016-02-01 | 2019-02-12 | Toan Cong Tran | Tran principles, methods of DC pulse electric device without moving parts |
US10832846B2 (en) | 2018-08-14 | 2020-11-10 | Automatic Switch Company | Low power solenoid with dropout detection and auto re-energization |
EP3706305A1 (en) * | 2019-03-07 | 2020-09-09 | Vorwerk & Co. Interholding GmbH | Domestic appliance and method for operating such a domestic appliance |
KR102404328B1 (en) * | 2020-05-26 | 2022-06-07 | 삼성전기주식회사 | Touch sensing device and electronic device with hybrid sensing structure |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4413461B1 (en) * | 1966-05-18 | 1969-06-17 | ||
JP3179349B2 (en) * | 1996-04-03 | 2001-06-25 | 三菱電機株式会社 | Switchgear |
JP3441360B2 (en) * | 1997-03-25 | 2003-09-02 | 株式会社東芝 | Circuit breaker operating device |
JP3778329B2 (en) * | 1998-07-27 | 2006-05-24 | 三菱電機株式会社 | Switchgear |
JP3816284B2 (en) * | 1998-12-28 | 2006-08-30 | 三菱電機株式会社 | Switchgear |
JP2002124158A (en) * | 2000-10-16 | 2002-04-26 | Mitsubishi Electric Corp | Switch device |
AU2002361248A1 (en) | 2001-12-28 | 2003-07-15 | Abb T And D Technology Ltd. | Distribution switchboards auxiliary supply system |
DE10309697B3 (en) | 2003-02-26 | 2004-09-02 | Siemens Ag | Magnetic linear drive |
JP4192645B2 (en) | 2003-03-24 | 2008-12-10 | 三菱電機株式会社 | Operation circuit and power switchgear using the same |
-
2005
- 2005-03-16 DE DE102005013196A patent/DE102005013196A1/en not_active Withdrawn
-
2006
- 2006-03-06 WO PCT/EP2006/060474 patent/WO2006097412A1/en not_active Application Discontinuation
- 2006-03-06 CN CN200680008522XA patent/CN101142649B/en not_active Expired - Fee Related
- 2006-03-06 US US11/908,804 patent/US7612977B2/en not_active Expired - Fee Related
- 2006-03-06 DE DE502006007325T patent/DE502006007325D1/en active Active
- 2006-03-06 EP EP06724940A patent/EP1859465B1/en not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2006097412A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1859465B1 (en) | 2010-06-30 |
DE502006007325D1 (en) | 2010-08-12 |
CN101142649B (en) | 2011-05-11 |
DE102005013196A1 (en) | 2006-09-28 |
US20080191821A1 (en) | 2008-08-14 |
CN101142649A (en) | 2008-03-12 |
US7612977B2 (en) | 2009-11-03 |
WO2006097412A1 (en) | 2006-09-21 |
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