EP1923986A2 - Contrôleur de courant alternatif pour des commutatuer électromagnétique - Google Patents

Contrôleur de courant alternatif pour des commutatuer électromagnétique Download PDF

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Publication number
EP1923986A2
EP1923986A2 EP07117334A EP07117334A EP1923986A2 EP 1923986 A2 EP1923986 A2 EP 1923986A2 EP 07117334 A EP07117334 A EP 07117334A EP 07117334 A EP07117334 A EP 07117334A EP 1923986 A2 EP1923986 A2 EP 1923986A2
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EP
European Patent Office
Prior art keywords
voltage
controller
transistors
time function
drive
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
EP07117334A
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German (de)
English (en)
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EP1923986B1 (fr
EP1923986A3 (fr
Inventor
Gerd Schmitz
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.)
Eaton Electrical IP GmbH and Co KG
Original Assignee
Moeller GmbH
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Priority to PL07117334T priority Critical patent/PL1923986T3/pl
Publication of EP1923986A2 publication Critical patent/EP1923986A2/fr
Publication of EP1923986A3 publication Critical patent/EP1923986A3/fr
Application granted granted Critical
Publication of EP1923986B1 publication Critical patent/EP1923986B1/fr
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    • 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
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/36—Relay coil or coils forming part of a bridge circuit

Definitions

  • the present invention relates to a device for operating an electromagnetic drive of a switching device.
  • the invention is based on the object to provide a device for operating an electromagnetic drive of a switching device, which allows an efficient and inexpensive to implement influencing the closing speed of the drive, wherein the holding power is lowered without an electronic method and which also for use high alternating voltages is suitable.
  • This object is achieved by a device for operating an electromagnetic drive of a switching device, wherein the electromagnetic drive is operated with an AC power controller.
  • the electromagnetic drive can represent, for example, an electromagnetic drive for one or more contactors or for one or more relays or for other switching devices.
  • the electromagnetic drive may comprise at least one drive coil, at least one magnetic core and at least one magnet armature.
  • the electromagnetic drive is operated by an alternating current or an alternating voltage, wherein the alternating current or the alternating voltage can be influenced by the alternating current controller.
  • the electromagnetic drive can be controlled or regulated via the AC power controller, for example for switching on the electromagnetic drive, and / or for holding the electromagnetic drive and / or for switching off the electromagnetic drive.
  • the dynamics of the electromagnetic drive such as the turn-on dynamics and / or the turn-off, are influenced by the AC power controller.
  • the alternating current controller can be controlled or regulated, for example, by means of a controller or a regulation, wherein the alternating current controller can be controlled, for example, during a switch-on process and / or a switch-off process with a defined time function.
  • the AC power controller can be connected, for example, in series with the electric drive, and this series circuit comprising the AC power controller and the electric drive can be connected in parallel with an AC voltage source for supplying the electric drive.
  • the AC regulator can affect the current through the at least one drive coil of the electromagnetic drive.
  • the closing speed of the electromagnetic drive in the nominal voltage range can be set by the AC controller to a preferred value, so that the mechanical shock load and the contact bounce of the switching device can be reduced and thus the mechanical and the electrical life can be extended.
  • the switching device represents one or more contactors with at least one auxiliary switch, then the closing speed can be adjusted, for example, by means of the AC current controller such that the overfeed of the at least one auxiliary switch does not fall below a minimum value.
  • the device according to the invention has the further advantage that the electromagnetic drive is operated with alternating current and thus, for example, by the path-dependent change in the inductance of the at least one drive coil, the inductive reactance of the at least one coil and thus the excitation power can be influenced.
  • the tightening current and / or the holding current of the at least one drive coil can be tuned to a desired desired value.
  • no electronic lowering of the holding current is required, whereby a cost-effective implementation of the device according to the invention can be achieved.
  • the AC power controller may include at least one semiconductor device, such as a semiconductor device.
  • TRIAC, thyristor, IGBT (Insulated Gate Bipolar Transistor), IGCT (Integrated Gate - Commutated Thyristor) or transistor include, and / or comprise at least one electron tube.
  • the term AC regulator includes all devices with which an AC can be controlled, e.g. in response to a control signal, e.g. a control voltage or the like.
  • An embodiment of the invention provides that the device comprises means for controlling the AC power controller with a time function.
  • the means for controlling the alternating current controller with a time function can be realized for example by a microcontroller, and / or a DSP and / or another electronic or electrical circuit.
  • the means for driving of the AC power controller output a control signal for driving the AC power controller according to the time function, such as a control voltage.
  • an exciter current can be controlled by the at least one drive coil of the switching device.
  • the time function can be used to control the AC actuator during a switch-on of the electric drive for the switching device, so that by the time function, the turn-on of the electromagnetic drive can be specified.
  • the means for driving the AC-regulator may be coupled to the AC voltage for supplying the magnetic drive, so that when this AC voltage is applied, e.g. when the magnetic drive is switched on, the time function for the switch-on process is automatically started and the alternating current controller is activated according to the time function.
  • the means for controlling the AC actuator for example, can also be electrically supplied with the AC voltage for supplying the magnetic drive, e.g. can be generated by means of a rectifier from this AC voltage, a DC voltage to supply the means for controlling the AC power controller and thus also to supply the AC power controller.
  • the time function for the control during the switch-on for example, be chosen so that the AC controller initially only a small Current through the at least one coil of the electric drive controls and steadily increases this current, so that the dynamics of the drive can be adapted to the requirements of the switching device.
  • the alternating-current controller can be full-drive, for example, so that the current limitation of the at least one drive coil is effected solely by the impedance of the at least one drive coil.
  • further impedances or resistors in addition to the impedance of the at least one drive coil can be used for current limiting.
  • time function can also be used optionally for controlling the AC power controller during a switch-off operation of the electric drive for the switching device.
  • An embodiment of the invention provides that the time function activates the alternating current controller during a switch-on process.
  • An embodiment of the invention provides that the time function represents an exponential function.
  • the exponential function to drive the AC regulator during the turn-on process can provide a very good compromise between a short delay time, i. a large initial slope, and a natural increase in excitation.
  • An embodiment of the invention provides that the means for controlling the AC actuator comprise an RC element.
  • the exponential time function can be preset during a switch-on process by the RC element.
  • the realization of the time function by means of the RC element represents a particularly cost-effective implementation.
  • the RC element may be considered as a two-port with a turn-on voltage applied to the input port, e.g. by the rectifier described above or by another voltage source, so that an exponential rising output voltage is present at the output gate, with which the alternating current controller is driven.
  • An embodiment of the invention provides that the AC power controller comprises at least one semiconductor device.
  • the AC controller may include at least one semiconductor device such as TRIAC, thyristor, insulated gate bipolar transistor (IGBT), integrated gate (commutated thyristor) IGCT, or transistor.
  • TRIAC TRIAC
  • thyristor insulated gate bipolar transistor
  • IGBT integrated gate
  • IGCT integrated gate
  • the control of the at least one semiconductor device comprehensive AC actuator can be done for example with the previously described means for driving the AC power controller with a time function, or else by another predetermined control voltage or another predetermined control current.
  • An embodiment of the invention provides that the alternating current controller comprises two antiseries switched transistors.
  • These two transistors connected in antiseries can, for example, form a series connection with the at least one drive coil of the electromagnetic drive.
  • these two transistors may be two field effect transistors, such as e.g. two MOSFETs, the two transistors can also be two IGBTs or other suitable transistors.
  • the two anti-serially connected transistors can be fully turned on, for example, after a switch-on, so that the current limit of the at least one drive coil, for example, solely by the impedance of the at least one drive coil.
  • further impedances or resistors in addition to the impedance of the at least one drive coil can be used for current limiting.
  • the two anti-serially connected transistors for example, linearly control excess energy and dissipate it as heat loss, this is especially true at a switch-on and / or a shutdown of the electromagnetic drive.
  • An embodiment of the invention provides that the device comprises negative feedback resistors for balancing the two transistors.
  • the two anti-serially connected transistors can each be operated with negative feedback in an emitter circuit (in the case of bipolar transistors) or in a source circuit (in the case of field effect transistors), independence from critical transistor parameters being able to be achieved by the negative feedback resistors.
  • the two anti-serially connected transistors can each represent a voltage-controlled current source, wherein each of the current sources has a negative feedback resistor for current negative feedback.
  • An embodiment of the invention provides that the two anti-serially connected transistors are two MOSFET transistors.
  • An embodiment of the invention provides that the device comprises two diodes which, together with the integrated body diodes of the MOSFET transistors, constitute a bridge rectifier for generating a supply voltage for driving the AC current regulator.
  • n-channel MOSFETs such as n-channel enhancement type MOSFETs
  • those between the terminal of the p-doped substrate and the Drain connection integrated body diode can be used for rectification.
  • the supply voltage built up by the bridge rectifier can be used, for example, directly for driving the AC power controller, or means for driving the AC power controller can be connected with a time function between the output of the bridge rectifier and the AC power controller.
  • the aforementioned explanations and advantages with regard to the means for controlling the AC power controller apply equally to this embodiment of the invention.
  • an RC element may be placed between the output of the bridge rectifier and the AC power controller so that the AC power controller can be driven with a defined exponential time function.
  • a voltage limiting element such as a Z-diode operated in the breakdown direction or zener diode, for limiting the voltage of the rectified voltage.
  • filter means for smoothing the rectified voltage may be located at the output of the rectifier, such as at least one capacitor or other filtering means.
  • An embodiment of the invention provides that the device comprises a rectifier for generating a supply voltage for driving the AC power controller.
  • the device can thus also comprise a separate rectifier, wherein this rectifier can be realized for example by a half-wave rectifier, or a bridge rectifier or other rectifier circuit.
  • the supply voltage built up by the rectifier can be used, for example, directly for driving the AC adjuster, or means for driving the AC adjuster can be connected with a time function between the output of the bridge rectifier and the AC power controller.
  • the explanations and advantages with regard to the rectifier, the optional means for controlling the AC-current regulator with a time function, and optional connections of the output of the rectifier, such as e.g. Voltage limiting and / or filtering means apply equally to the separate rectifier.
  • An embodiment of the invention provides that the rectifier is supplied with the AC voltage for operating the electromagnetic drive.
  • the AC power controller is automatically supplied with a control voltage when the electromagnetic drive an AC voltage, for example, to turn it on, is applied.
  • the above-explained means for driving the AC actuator are connected with a time function between the rectifier and the AC converter, then when this AC voltage is applied to drive the drive, such as e.g. when the magnetic drive is switched on, the time function for the switch-on process is automatically started and the AC converter is activated according to the time function.
  • An embodiment of the invention provides that the alternating current controller during a switch-on abregelelt an excess power linear.
  • the AC power controller comprises two electronic switching elements, such as e.g. Transistors, so these excess power or energy linearly abregel and dissipate as heat loss.
  • An embodiment of the invention provides that the device comprises means for overvoltage protection.
  • overvoltage protection means may be connected in parallel to the AC power controller, for example for the protection of the electronic switching elements of the AC power controller such as transistors.
  • these electronic switching elements can thus be protected against switch-off peaks of the at least one drive coil when switching off.
  • These overvoltage protection means parallel to AC regulators can be realized for example by a varistor.
  • overvoltage protection means may also be provided at the circuit input, to which e.g. the input AC voltage is applied, in which case also e.g. a varistor can be used.
  • these overvoltage protection means placed on the circuit input can protect the electronic switching elements of the AC actuator, such as e.g. when switching off Abschaltspitzen the at least one drive coil when switching off.
  • FIG. 1 shows a schematic representation of a first embodiment of the device according to the invention for operating an electromagnetic drive of a switching device, wherein the electromagnetic drive is operated with an AC power controller 120.
  • the electromagnetic drive can represent, for example, an electromagnetic drive for one or more contactors, or for one or more relays or for other switching devices.
  • the electromagnetic drive comprises at least one drive coil 110, and may comprise at least one magnetic core and at least one magnet armature (not shown in Fig. 1).
  • the at least one drive coil 110 is connected in series with the alternating current controller 120, wherein an alternating voltage U e can be applied to this series connection.
  • This alternating voltage U e thus serves as a supply voltage for the at least one drive coil 110, wherein the alternating current flowing through the at least one drive coil can be influenced by the alternating current controller 120.
  • the alternating current controller 120 can influence the current flowing through the at least one drive coil 110 such that it is below a first threshold value, so that the magnetic drive opens, and the alternating current controller 120 can, for example, in a second state through the affect at least one drive coil 110 flowing current so that this is above a second threshold, so that the magnetic drive closes.
  • the AC power controller may regulate the current through the at least one drive coil 110 during a closing operation of the electromagnetic drive, i. during the transition from the first to the second state, specifically control, so that the turn-on dynamics of the electromagnetic drive can be influenced.
  • the closing speed of the electromagnetic drive in the rated voltage range can be set to a preferred value, so that e.g. the mechanical shock load and the contact bounce of the switching device can be reduced and thus the mechanical and the electrical life can be extended.
  • the closing speed can also be adjusted by controlling the current during the switch-on process, for example by means of the alternating current controller, so that the overshoot of the at least one auxiliary switch does not fall below a minimum value.
  • the turn-off dynamics of the electromagnetic drive are affected.
  • the Einschaltdynamik and / or turn-off dynamics of an electric drive for a switching device can be influenced in a simple manner.
  • the device according to the invention has the further advantage that the electromagnetic drive is operated with alternating current and thus, for example, by the path-dependent change in the inductance of the at least one drive coil, the inductive reactance of the at least one coil and thus the excitation power can be influenced.
  • the tightening current and / or the holding current of the at least one drive coil can be tuned to a desired desired value.
  • no electronic lowering of the holding current is required, whereby a cost-effective implementation of the device according to the invention can be achieved.
  • the AC power controller 120 may include, for example, at least one semiconductor switching element, such as a semiconductor device.
  • TRIAC, thyristor, IGBT (Integrated Gate Bipolar Transistor), IGCT (Integrated Gate - Commutated Thyristor) or transistor include, and / or comprise at least one electron tube.
  • the term AC regulator includes all devices with which an AC can be controlled, e.g. in response to a control signal, e.g. a control voltage or the like.
  • the alternating current controller 120 can be controlled, for example, via the alternating voltage U e , so that, for example, when the alternating voltage U e is switched on, the alternating current controller 120 controls the current through the at least one drive coil 110 according to a predefined switch-on characteristic.
  • the AC power controller 120 may be otherwise be controlled or regulated, for example by a microcontroller or the like.
  • Figure 2 shows a schematic representation of a second embodiment of the device according to the invention for operating an electromagnetic drive of a switching device, wherein the electromagnetic drive is operated with an AC power controller 220.
  • the at least one drive coil 110 is connected in series with the alternating current controller 220, wherein an alternating voltage U e can be applied to this series connection.
  • This alternating voltage U e thus serves as a supply voltage for the at least one drive coil 110, wherein the alternating current flowing through the at least one drive coil can be influenced by the alternating current controller 120.
  • the device for operating an electromagnetic drive comprises means for controlling the AC actuator 220 with a time function 240, and optionally a rectifier 230 and optionally means for overvoltage protection 250, 260.
  • the means for controlling the alternating current controller 220 with a time function 240 can be realized for example by a microcontroller, and / or a DSP and / or another electronic or electrical circuit.
  • the AC regulator 220 can control, for example, the excitation current through the at least one drive coil 110 as a function of time in accordance with the predetermined time function.
  • the means for driving the AC regulator 220 with a time function 240 may output a control voltage for controlling the AC regulator in response to the time function.
  • this time function can be used to control the AC power controller during a switch-on of the electric drive, so that the turn-on dynamics of the electromagnetic drive can be specified by the time function.
  • the means for controlling the alternating current controller 220 with a time function 240 may also be coupled with alternating voltage U e for supplying the magnetic drive, as in FIG. 2 via the rectifier 230, so that the alternating voltage U e is also used as the control voltage for the means for controlling the AC power controller 220 with a time function 240 may act.
  • alternating voltage U e for supplying the magnetic drive
  • the means for controlling the AC power controller 220 with a time function 240 may act.
  • the AC voltage U e such as when switching on the magnetic drive
  • this AC voltage U e automatically a time function for driving the AC power 220 are started during the power-up and the AC power controller accordingly be controlled the time function.
  • the means for controlling the alternating current controller 220 with a time function 240 can thus output, for example, a definedly increasing control voltage as a function of the time function during the switch-on operation to the alternating current controller 220.
  • This time function during the switch-on process can be realized for example by an exponential function.
  • a rectifier 230 can generate from the alternating voltage U e a DC supply voltage with which the means for controlling the AC current regulator 220 are supplied with a time function 240.
  • the means for controlling the AC actuator 220 with a time function 240 can be automatically turned on when the AC voltage U e , for example, to turn on the electric drive, applied, so that, for example, as previously described thereby automatically the AC power controller 220 according to a predetermined time function during of the switch-on can be controlled.
  • the rectifier 230 can be realized for example by a half-wave rectifier, or a bridge rectifier or other rectifier circuit.
  • a voltage limiting element such as a operated in the breakdown direction Zener diode or Zener diode, for limiting the voltage of the rectified voltage.
  • filter means for smoothing the rectified voltage, such as at least one capacitor or other filtering means.
  • the means for controlling the AC actuator 220 with a time function 240 may comprise, for example, an RC element.
  • an alternating voltage U e is applied to turn on the magnetic drive, then a rectified turn-on voltage is present at the output of the rectifier 230, which in turn can be applied to the input of the RC element, so that an exponential at the output of the RC element rising output voltage is output, can be controlled with the AC power controller 220 during the power-on. From a certain output voltage level of the RC element of the AC controller 220 controls fully and thus switches to the second state described above.
  • Another advantage arises from the fact that the overlapping of the time function of the drive circuit to the inherent time constant of the at least one exciter coil 110 almost completely avoids the formation of a DC component dependent on turn-on angle. As a result, synchronization effects on the phase position of the control voltage are completely avoided.
  • the device shown in FIG. 2 may include overvoltage protection means 250, 260.
  • overvoltage protection means 260 may be connected directly in parallel with the alternating current controller 220, for example to protect the electronic switching elements of the AC power controller, such as transistors. For example, thus, these electronic switching elements can be protected against shutdown peaks of the at least one drive coil 110 when switching off.
  • This overvoltage protection means 260 directly parallel to Alternating current regulators 220 can be realized for example by a varistor.
  • overvoltage protection means 250 can also be placed at the circuit input, whereby, for example, a varistor can also be used here. These overvoltage protection means 250 placed at the circuit input can also protect the electronic switching elements of the alternating current controller 220, for example, when switching off, before shutdown peaks of the at least one drive coil 110 during switching off.
  • the inverter 230, the means for controlling the AC actuator 220 with a time function 240 and the AC controller 220 are shown as separate units in FIG. 2, these units can fuse together in terms of circuitry so that, for example, transistors of the AC controller 220 are simultaneously used as diodes for the rectifier 230 can be used with. If e.g., the integrated body diodes of these MOSFET transistors together with two other diodes, a bridge rectifier for generating a supply voltage for the means for controlling the AC actuator 220 with a time function 240 and thus to drive the AC power controller 220 form.
  • FIG. 3 shows a detailed representation of a third embodiment of the device according to the invention for operating an electromagnetic drive of a switching device.
  • the alternating current controller 320 which is connected in series with the at least one drive coil 310 of the magnetic drive, comprises the two anti-serially connected MOSFET transistors V4 and V5.
  • the control of the transistors V4 and V5 takes place from a supply voltage which is built up from the diodes V1, V2 and V3, the resistors R2 and R3 and the not shown in Fig. 3 Bodydioden of the transistors V4 and V5.
  • the diodes V1 and V2 together with the body diodes of the transistors V4 and V5 form a bridge rectifier whose negative pole is applied to the junction of the resistors R9 and R10.
  • the series resistors R2 and R3 may be formed high impedance and thus serve to limit the supply current.
  • the diode V3, which may be a zener diode, operates in the breakdown direction and limits the output voltage of the bridge rectifier.
  • the output voltage of the bridge rectifier can be low-pass filtered by filter means, ie, for example, the capacitor C1, and thus be smoothed, in particular during the zero crossings of the alternating voltage U e .
  • the device illustrated in FIG. 3 comprises means for driving the AC-adjuster 320 with a time function 340, which comprises an RC element comprising a resistor R5 and a capacitor C2.
  • This RC element is fed with the smoothed by the capacitor C1 output voltage of the bridge rectifier.
  • the transistors V4 and V5 of the AC regulator 320 is supplied with a defined increasing control voltage.
  • the transistors V4 and V5 are driven and the excitation current of the at least one drive coil 310 is increased in a defined manner in accordance with the time function of the RC element.
  • the components AC converter 320, means for controlling the AC-adjuster with a time function 340 and rectifier can be fused together from a circuit engineering point of view;
  • the body diodes of the MOSFET transistors V4 and V5 together with the diodes V1 and V2 form a bridge rectifier, and the time function can also be influenced, for example, via the negative feedback resistors R9 and 10 and / or the Zener diode V3 or the divider resistor R6.
  • the transistors V4 and V5 are completely turned on, so that the current limit of the at least one drive coil 310 now done by the impedance of the at least one drive coil 310.
  • the time function for controlling the AC actuator in the form of an exponential function which can be realized inexpensively by the RC element R5 / C2, makes a good compromise with a solution as cheap as possible, a short delay time and thus large initial slope and a natural excitation increase.
  • the device shown in Fig. 3 comprises means for overvoltage protection, e.g. the varistor R11, which is connected in parallel with the alternating current controller 320 and protects the alternating current controller 320 against overvoltages.
  • the varistor R11 limits simultaneously occurring turn-off peaks of the at least one drive coil 310.
  • the resistors R9 and R10 which may be used to adjust the timing function for driving the AC power controller 320 as described above, also have the task of counterbalancing resistors to balance the transistors V4 and V5 to minimize dependence on critical transistor parameters, e.g. compensate for different threshold voltage of the transistors V4 and V5.
  • this circuit concept is very well suited for high mains voltages up to 690V AC.
  • Another advantage arises from the fact that the overlaying of the time function of the drive circuit to the inherent time constant of the at least one exciter coil 310 almost completely prevents the formation of a DC component dependent on turn-on angle. As a result, synchronization effects on the phase position of the control voltage are completely avoided.
  • This third embodiment represents a possible realization of the illustrated schematic first and / or second embodiment, inasmuch as the explanations and advantages mentioned with regard to the first and second embodiment apply equally to this third embodiment.

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  • Power Conversion In General (AREA)
  • Control Of Electrical Variables (AREA)
  • Relay Circuits (AREA)
  • Keying Circuit Devices (AREA)
  • Electronic Switches (AREA)
EP07117334.8A 2006-11-15 2007-09-27 Contrôleur de courant alternatif pour des commutateur électromagnétique Active EP1923986B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07117334T PL1923986T3 (pl) 2006-11-15 2007-09-27 Nastawnik prądu zmiennego dla łączników elektromagnetycznych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006053797A DE102006053797B4 (de) 2006-11-15 2006-11-15 Wechselstromsteller für elektromagnetische Schaltgeräte

Publications (3)

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EP1923986A2 true EP1923986A2 (fr) 2008-05-21
EP1923986A3 EP1923986A3 (fr) 2009-05-06
EP1923986B1 EP1923986B1 (fr) 2016-04-13

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EP (1) EP1923986B1 (fr)
CN (1) CN101183616B (fr)
DE (1) DE102006053797B4 (fr)
PL (1) PL1923986T3 (fr)

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DE102012223749A1 (de) * 2012-12-19 2014-06-26 Siemens Aktiengesellschaft Elektromagnetisches Schaltschütz
DE102015119512A1 (de) 2015-11-12 2017-05-18 Eaton Electrical Ip Gmbh & Co. Kg Verfahren und Vorrichtung zur Steuerung eines elektromagnetischen Antriebs eines Schaltgeräts
CN117116707B (zh) * 2023-10-25 2025-03-25 宁德时代新能源科技股份有限公司 驱动控制电路、方法、控制装置及存储介质

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EP2521154A1 (fr) * 2011-05-02 2012-11-07 ABB Technology AG Dispositif de commutation actionné de manière électromagnétique et procédé de contrôle des opérations de commutation de ce dispositif de commutation
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DE102006053797A1 (de) 2008-05-29
EP1923986B1 (fr) 2016-04-13
PL1923986T3 (pl) 2016-08-31
CN101183616B (zh) 2011-01-05
DE102006053797B4 (de) 2010-04-29
EP1923986A3 (fr) 2009-05-06
CN101183616A (zh) 2008-05-21

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