EP2466607A1 - Elektromagnetisches Stellglied mit mindestens zwei Spulen - Google Patents

Elektromagnetisches Stellglied mit mindestens zwei Spulen Download PDF

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Publication number
EP2466607A1
EP2466607A1 EP11354053A EP11354053A EP2466607A1 EP 2466607 A1 EP2466607 A1 EP 2466607A1 EP 11354053 A EP11354053 A EP 11354053A EP 11354053 A EP11354053 A EP 11354053A EP 2466607 A1 EP2466607 A1 EP 2466607A1
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EP
European Patent Office
Prior art keywords
coil
voltage
threshold
coils
terminal
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Granted
Application number
EP11354053A
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English (en)
French (fr)
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EP2466607B1 (de
Inventor
Charles Blondel
Roland Moussanet
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication of EP2466607A1 publication Critical patent/EP2466607A1/de
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Not-in-force legal-status Critical Current
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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
    • H01H47/226—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 for bistable relays
    • 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
    • H01F7/1827—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current by changing number of serially-connected turns or windings
    • 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
    • H01H47/32—Energising current supplied by semiconductor device
    • H01H47/325—Energising current supplied by semiconductor device by switching regulator

Definitions

  • the invention relates to an electromagnetic actuator comprising a magnetic circuit formed of a ferromagnetic yoke and a movable ferromagnetic core and at least two coils respectively comprising a voltage efficiency threshold.
  • Coil switching means allow operation with either one of said coils, or with at least two of said coils connected in series or parallel.
  • a functional block for measuring the operating sinusoidal voltage between a first and a second voltage supply terminal, the voltage varying during a rectified alternation between a minimum voltage and a maximum voltage.
  • the efficiency threshold is directly proportional to the operating voltage of the coil.
  • the efficiency threshold and the operating voltage are intrinsic characteristics of the coil and are generally known. For example, a coil designed to operate at 400V, for example will not be effective below 200 V. As shown on the figure 1 the efficiency threshold of the coil is then equal to 200V.
  • the ratio between the efficiency threshold and the operating voltage depends in particular on the use that is made of the actuator.
  • the efficiency of the coil during a half-wave is reduced compared to the total duration of the half-wave.
  • the efficiency of the coil during a half-wave is reduced compared to the total duration of the half-wave.
  • the invention therefore aims to overcome the disadvantages of the state of the art, so as to provide an electromagnetic actuator with high energy efficiency.
  • the functional block for measuring the electromagnetic actuator comprises means for comparing the operating voltage with at least one predefined voltage threshold.
  • the actuator comprises control means able to act, during a single alternation, on the switching means for connecting at least one first coil when the operating voltage is lower than a first threshold or for connecting at least one second coil when the operating voltage is greater than the first threshold.
  • the measurement functional block comprises means for comparing the operating voltage with at least two predefined voltage thresholds.
  • a third coil is connected in series with the first and second coils between the first and second power supply terminals.
  • a third opening means is connected between the first voltage supply terminal and the first terminal of the third coil.
  • the third coil has a second terminal connected to the second voltage supply terminal.
  • a fourth opening means is connected between the second terminal of the second coil and the second voltage supply terminal.
  • the actuator comprises a first and a second coil connected together in parallel between a first and second supply terminal.
  • a first opening means is connected between a first terminal of the first coil and the first voltage supply terminal A, the second terminal of the first coil is connected to the second voltage supply terminal.
  • a second opening means being connected between the first voltage supply terminal and the first terminal of the second coil, the second terminal of the second coil being connected to the second voltage supply terminal. The first coil is connected when the first opening means is closed and the second coil is connected when the second opening means is closed.
  • the coils comprise identical or distinct voltage efficiency thresholds.
  • the electromagnetic actuator comprises regulating means capable of modulating the voltage supplied to said coils according to PWM type pulse width modulation.
  • the electromagnetic actuator comprises a magnetic circuit formed by a ferromagnetic yoke 2 and a movable ferromagnetic core 3.
  • the actuator comprises at least two coils L1, L2 respectively having their own voltage efficiency threshold U1, U2.
  • the efficiency threshold of a coil of an actuator means a voltage threshold below which the energized coil will no longer provide sufficient magnetic flux to operate the actuator according to the manufacturer's specifications. For example, a coil that has an operating voltage equal to 400 volts has an efficiency threshold substantially equal to 200 volts.
  • the coils L1, L2 may comprise identical or distinct voltage efficiency thresholds.
  • the electromagnetic actuator comprises control means 20 of the coils L1, L2 allowing operation with a single coil or with several coils connected together in a series position or a parallel position. Operation with one or more coils depends on a value of an operating voltage U AB as a function of at least one predefined voltage threshold value S1, S2, S3.
  • the electromagnetic actuator comprises a functional block for measuring the operating voltage U AB .
  • the operating voltage U AB between the first and second voltage supply terminal A, B is a rectified sinusoidal voltage.
  • the voltage measured by said block varies during a rectified alternation between a minimum voltage Umin at a maximum voltage Umax. For example, the minimum voltage Umin is zero.
  • the measurement function block 25 comprises means for comparing the operating voltage U AB with at least one predefined voltage threshold S1, S2, S3.
  • the device operates on the basis of a divider bridge with n resistors R1, R2, R3, Rn, Rp.
  • the bridge makes it possible to measure at least a first input voltage E1.
  • Said first input voltage E1 is compared with an internal reference voltage VRef linked to a comparator C1. If the first input voltage E1 is equal to the reference value VRef, this means that the first threshold S1 is reached and the measurement function block 25 can send information to the control means 20.
  • the electromagnetic actuator comprises at least a first and a second coil L1, L2 connected between they are connected in parallel or in series between a first and a second supply terminal A, B.
  • At least one freewheeling diode DA is connected between the second voltage supply terminal B and the first supply terminal A.
  • the diode DA is not conducting when the first voltage supply terminal A is connected. is powered with a positive voltage.
  • the switching means comprise at least a first opening means T1 and at least a second opening means T2.
  • the opening means are bipolar transistors.
  • Said at least two opening means T1, T2 are connected to the control means 20 and are thus arranged to receive orders and to be placed respectively in an open or closed state.
  • the measurement functional block 25 comprises means for comparing the operating voltage (U AB ) with a predefined voltage threshold S1.
  • the divider bridge has two resistors R1, RP and then makes it possible to measure a first input voltage E1. Said first input voltage E1 is compared with an internal reference voltage VRef linked to a comparator C1.
  • the first predefined voltage threshold S1 is equal to, for example, 200 volts.
  • the two coils L1, L2 then respectively have operating voltages equal to 200 and 400 volts.
  • the efficiency thresholds of said coils are then substantially equal to 100 and 200 volts.
  • the reference voltage VRef can be set at 5 volts.
  • the computation of the resistors R1, RP of the divider bridge has been carried out so that when, for example, an operating voltage U AB is applied between the supply terminals A, B equal to 200 V, a first input voltage is obtained. E1 of 5V. This first input voltage E1 being equal to Vref, the measurement functional block 25 can send information to the control means 20.
  • the electromagnetic actuator comprises at least a first and a second coil L1, L2 connected together in series between a first and a second supply terminal A, B.
  • the first opening means T1 is then connected between a second terminal L1B of the first coil L1 and the second voltage supply terminal B.
  • a first terminal L1A of the first coil L1 is connected to the first voltage supply terminal A.
  • the second opening means T2 is connected between the first voltage supply terminal A and the first terminal L2A of the second coil L2.
  • the first coil L1 is disconnected when the second opening means T2 is closed. Only the second coil L2 is then functional, the first opening means T1 then being open.
  • the second coil L2 is disconnected when the first opening means T1 is closed.
  • a diode D1 is then connected between the second terminal L1B of the first coil L1 and first terminal L2A of the second coil L2. This diode D1 makes it possible to avoid a short circuit between the supply terminals when the first and second opening means T1 and T2 are closed.
  • the control means 20 switch the first opening means T1 into a closed position and switch the second opening means T2 into a closed position. opening position.
  • the second coil L2 is disconnected and only the first coil L1 is then functional.
  • the actuator is then inefficient for a period of time Zpe, especially when the voltage varies between 0 and 100 Volts.
  • the actuator becomes effective for a duration Ze, especially when the voltage has a value greater than the efficiency threshold of the first coil L1.
  • the control means 20 switch the first opening means T1 into an open position and switch the second opening means T2 in a closed position.
  • the first coil L1 is now disconnected and only the second coil L2 is then functional.
  • the operating voltage U AB is then between the efficiency threshold of the operating voltage of the second coil L2.
  • the control means 20 re-switch the first opening means T1 in a closed position and re-switch the second means of opening. opening T2 in an open position.
  • the second coil L2 is disconnected again and only the first coil L1 is then functional.
  • the electromagnetic actuator comprises a first and a second coil L1, L2 connected together in parallel between a first and a second power supply terminal A, B.
  • the first opening means T1 is connected between a first terminal L1A of the first coil L1 and the first voltage supply terminal A.
  • the second terminal L1 B of the first coil L1 is connected to the second voltage supply terminal B.
  • the second opening means T2 is connected between the first terminal of voltage supply A and the first terminal L2A of the second coil L2.
  • the second terminal L2B of the second coil L2 is connected to the second voltage supply terminal B.
  • the first coil L1 is connected when the first opening means T1 is closed.
  • the second coil L2 is connected when the second opening means T2 is closed.
  • the functional block of measurement 25 comprises means for comparing the operating voltage (U AB ) with two predefined voltage thresholds S1 and S2.
  • the divider bridge has three resistors R1, R2, RP and then makes it possible to measure a first and a second input voltage E1 and E2. Said first and second input voltages E1 and E2 are respectively compared with an internal reference voltage VRef linked to comparators C1 and C2.
  • this reference voltage VRef can be set at 5 volts and the two predefined thresholds S1 and S2 are respectively equal to 140V and 260V.
  • the computation of the resistors R1, R2, RP of the divider bridge has been carried out so that when, for example, an operating voltage U AB is applied between the supply terminals A, B equal to 140 V, a first voltage is obtained. E1 input of 5V.
  • This first input voltage E1 being equal to Vref, the measurement functional block 25 can send information to the control means 20.
  • the operating voltage U AB equal to 260 V is applied, a second voltage is obtained.
  • the measurement functional block 25 can send information to the control means 20.
  • the two coils L1, L2 then have respective voltages. operating at 140 and 260 volts.
  • the efficiency thresholds of said coils are then substantially equal to 70 and 130 volts.
  • the electromagnetic actuator then comprises at least a first and a second coil L1, L2 connected together in series between a first and second supply terminals A, B.
  • the first opening means T1 is then connected between a second terminal L1B of the first coil L1 and the second voltage supply terminal B.
  • a first terminal L1A of the first coil L1 is connected to the first voltage supply terminal A.
  • the second opening means T2 is connected between the first voltage supply terminal A and the first terminal L2A of the second coil L2.
  • a second terminal L2B of the second coil L2 is connected to the second voltage supply terminal B.
  • the first coil L1 is disconnected when the second opening means T2 is closed. Only the second coil L2 is then functional, the first opening means T1 then being open.
  • the second coil L2 is disconnected when the first opening means T1 is closed. Only the first coil L1 is then functional, the second opening means T2 then being open. A diode D1 is then connected between the second terminal L1B of the first coil L1 and first terminal L2A of the second coil L2. This diode D1 makes it possible to avoid a short circuit between the supply terminals when the first and second opening means T1 and T2 are closed.
  • the control means 20 switch the first opening means T1 into a closed position and switch the second opening means T2 into a closed position. opening position.
  • the second coil L2 is disconnected and only the first coil L1 is then functional.
  • the actuator is then inefficient between 0 and 70 volts and becomes effective beyond the efficiency threshold of the first coil L1.
  • the control means 20 switch the first opening means T1 into an open position and switch the second opening means T2 in a closed position.
  • the first coil L1 is now disconnected and only the second L2 coil is then functional.
  • the operating voltage U AB is then substantially between the efficiency threshold of the operating voltage of the second coil L2.
  • the control means 20 switch the first and second opening means T1, T2 in an open position so that the two coils L1, L2 are in serial mode.
  • the equivalent operating voltage of the two coils in series is then equal to 400 volts.
  • the actuator is fully effective because the operating voltage U AB is then between the efficiency threshold and the equivalent operating voltage of the coils L1, L2 connected in series (260 - 400 volts).
  • a fourth phase of operation when the operating voltage U AB becomes less than 260 volts, the control means 20 re-switch the first opening means T1 in an open position and re-switch the second means of opening. opening T2 in a closed position.
  • the first coil L1 is now disconnected and only the second coil L2 is then functional. From 260 to 140 volts, the operating voltage U AB is then substantially between the efficiency threshold and the operating voltage of the second coil L2.
  • the control means 20 re-switch the first opening means T1 in a closed position and re-switch the second means of opening T2 in an open position.
  • the second coil L2 is disconnected and only the first coil L1 is then functional.
  • the actuator is effective between 140 and 70 volts.
  • the measurement function block 25 comprises means for comparing the operating voltage (U AB ) with three predefined voltage thresholds S1, S2 and S3.
  • the divider bridge has four resistors R1, R2, R3, Rp and then makes it possible to measure a first, a second and a third input voltage.
  • Said first, second and third input voltages E1, E2 and E3 are respectively compared with an internal reference voltage VRef linked to comparators C1, C2 and C3.
  • this reference voltage VRef can be set at 5 volts and the three predefined thresholds S1, S2 and S3 are respectively equal to 91 V, 140 and 260V.
  • the computation of the resistors R1, R2, R3, RP of the divider bridge has been carried out so that when, for example, an operating voltage U AB is applied between the supply terminals A, B equal to 91 V, a first input voltage E1 of 5V.
  • the measurement functional block 25 can send a control command to the control means 20.
  • the operating voltage U AB equal to 140 V is applied.
  • a second input voltage E2 of 5V is obtained.
  • the measurement function block 25 can send a control command to the switching means 20.
  • the operating voltage U AB equal to 260 is applied.
  • V a third input voltage E3 of 5V is obtained.
  • This third input voltage E3 being equal to the reference voltage Vref, the measurement function block 25 can send a control command to the switching means 20.
  • the two coils L1, L2 then have respectively operating voltages equal to 140 and 260 volts.
  • the efficiency thresholds of said coils are then substantially equal to 70 and 130 volts.
  • the electromagnetic actuator then comprises at least a first and a second coil L1, L2 connected together in series between a first and second supply terminals A, B.
  • the first opening means T1 is then connected between a second terminal L1B of the first coil L1 and the second voltage supply terminal B.
  • a first terminal L1A of the first coil L1 is connected to the first voltage supply terminal A.
  • the second opening means T2 is connected between the first voltage supply terminal A and the first terminal L2A of the second coil L2.
  • a second terminal L2B of the second coil L2 is connected to the second voltage supply terminal B.
  • the first coil L1 is disconnected when the second opening means T2 is closed. Only the second coil L2 is then functional, the first opening means T1 then being open.
  • the second coil L2 is disconnected when the first opening means T1 is closed. Only the first coil L1 is then functional, the second opening means T2 then being open. A diode D1 is then connected between the second terminal L1B of the first coil L1 and first terminal L2A of the second coil L2. This diode D1 makes it possible to avoid a short circuit between the supply terminals when the first and second opening means T1 and T2 are closed.
  • the control means 20 switch the first and second opening means T1, T2 in a closed position so that the two coils L1, L2 are in parallel mode.
  • the equivalent operating voltage of the two coils in parallel is then equal to 91 volts.
  • the actuator is then inefficient between 0 and 45.5 Volts and becomes effective beyond the equivalent efficiency threshold of the coils L1, L2 in parallel.
  • the control means 20 switch the first opening means T1 into a closed position and switch the second opening means T2 in an open position.
  • the second coil L2 is disconnected and only the first coil L1 is then functional.
  • the actuator is then effective because the operating voltage U AB is between the thresholds of efficiency and operation of the first coil L1 (70-140 volts).
  • the control means 20 switch the first opening means T1 into an open position and switch the second means. opening T2 in a closed position.
  • the first coil L1 is now disconnected and only the second coil L2 is then functional.
  • the operating voltage U AB is then between the efficiency threshold and the operating voltage of the second coil L2 (130-260 volts).
  • the control means 20 switch the first and second opening means T1, T2 in an open position so as to the two coils L1, L2 are in serial mode.
  • the equivalent operating voltage of the two coils in series is then equal to 400 volts.
  • the actuator is fully effective because the operating voltage U AB is then between the efficiency threshold and the equivalent operating voltage of the coils L1, L2 connected in series (200 - 400 volts).
  • a fifth phase of operation when the operating voltage U AB falls below the operating voltage of the second coil L2 (260 volts), the control means 20 switch the first opening means T1 into a position of d 'open and switch the second opening means T2 in a closed position. Thus, the first coil L1 is disconnected and only the second coil L2 is then functional. From 260 to 140 volts, the operating voltage U AB is then between the efficiency threshold and the operating voltage of the second coil L2 (130-260 volts).
  • the control means 20 switch the first opening means T1 into a closed position and switch the second opening means T2 into an open position.
  • the second coil L2 is disconnected and only the first coil L1 is then functional.
  • the actuator is then effective because the operating voltage U AB is between the thresholds of efficiency and operation of the first coil L1 (70-140 volts).
  • the control means 20 switch the first and second means opening T1, T2 in a closed position so that the two coils L1, L2 are in parallel mode.
  • the equivalent operating voltage of the two coils in parallel is then equal to 91 volts.
  • the actuator is still efficient between 91 and 45.5 volts.
  • the efficiency of the actuator according to the invention is very satisfactory over a wide voltage range.
  • the solid curve represents what is called the “efficiency” of the voltage applied to a single coil actuator. This "efficiency” is directly proportional to the input voltage.
  • the supply voltage U AB is equal to 50% of the operating voltage of the coil, then the efficiency of the actuator is 50%.
  • the dotted curve represents the two-coil solution operating in a mode as described above. The level has been "normalized” in order to turn the most around the 100% value. This gives for the max value (400V) efficiency at 108% and at 91 V 86%. Overall, between these two values 108%, 86%, some consistency is observed.
  • the efficiency of the actuator is between 86% and 108%.
  • an actuator of known type with a single coil operating on the same voltage range (91 - 400 V) will have an efficiency between 20 and 100%.
  • the electromagnetic actuator comprises a third coil L3 connected in series with the first and second coils L1, L2 between the first and second supply terminals A, B.
  • the switching means then comprise a third opening means T3 connected between the first voltage supply terminal A and the first terminal L3A of the third coil L3.
  • the third coil L3 has a second terminal L3B connected to the second voltage supply terminal B.
  • the switching means comprises a fourth opening means T4 connected between the second terminal L2B of the second coil L2 and the second terminal of voltage supply B.
  • the efficiency of the actuator according to the invention is very satisfactory over a very wide voltage range.
  • the solid curve represents what is called the "efficiency” of the voltage applied to a single coil actuator.
  • the dotted curve represents the three-coil solution operating in a mode as described above. The level has been "normalized” in order to turn the most around the 100% value. This gives the max value (475V) an efficiency of 106% and 39 Volts of 83%. Overall, between these two values 106%, 83%, some consistency is observed. In other words, for actuating voltages between 39 and 475V, the efficiency of the actuator is between 83% and 103%. Comparatively, an actuator of known type with a single coil operating on the same voltage range (39 - 475 V) will have an efficiency between 10 and 100%.
  • the electromagnetic actuator is then able to operate over a wide range of voltage while maintaining optimum efficiency.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Linear Motors (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
EP20110354053 2010-12-17 2011-10-13 Elektromagnetisches Stellglied mit mindestens zwei Spulen Not-in-force EP2466607B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1004930A FR2969368B1 (fr) 2010-12-17 2010-12-17 Actionneur electromagnetique a au moins deux bobines

Publications (2)

Publication Number Publication Date
EP2466607A1 true EP2466607A1 (de) 2012-06-20
EP2466607B1 EP2466607B1 (de) 2013-04-17

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EP20110354053 Not-in-force EP2466607B1 (de) 2010-12-17 2011-10-13 Elektromagnetisches Stellglied mit mindestens zwei Spulen

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EP (1) EP2466607B1 (de)
CN (1) CN102543577B (de)
FR (1) FR2969368B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104021990A (zh) * 2014-05-27 2014-09-03 国网新疆伊犁供电有限责任公司 一种匹配于磁保持继电器线圈的一位两值转换电路
CN104021985A (zh) * 2014-05-27 2014-09-03 国网新疆伊犁供电有限责任公司 低压线路自动节能的单线圈磁保持继电装置
CN104021986A (zh) * 2014-05-27 2014-09-03 国网新疆伊犁供电有限责任公司 具有微分驱动电路的节能型双线圈磁保持继电装置
CN104021989A (zh) * 2014-05-27 2014-09-03 国网新疆伊犁供电有限责任公司 一种具有一位两值转换电路的单线圈磁保持继电装置
FR3054369B1 (fr) * 2016-07-20 2022-05-27 Zodiac Aero Electric Contacteur electromagnetique dote de moyens de detection de la position ouverte ou fermee de commutateurs commandes
FR3065110B1 (fr) * 2017-04-11 2019-04-19 Schneider Electric Industries Sas Procede et dispositif de commande d'un actionneur, et appareil de protection electrique comportant un tel dispositif

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GB2156156A (en) * 1984-03-15 1985-10-02 Hager Electro Gmbh & Co Electromagnetic switch arrangement
FR2568715A1 (fr) 1984-08-03 1986-02-07 Telemecanique Electrique Dispositif de commande d'une bobine d'electroaimant et appareil electrique de commutation equipe d'un tel dispositif
EP0184940A2 (de) * 1984-12-12 1986-06-18 Technological Research Association Of Highly Reliable Marine Propulsion Plant Verfahren und Einrichtung zur Steuerung elektromagnetischer Stellglieder
EP1009004A1 (de) 1998-12-07 2000-06-14 Schneider Electric Industries SA Einrichtung zur Steuerung eines Elektromagneten, mit Erfassung von unbeabsichtigten Bewegen des beweglichen Kerns eines Elektromagneten
EP1009003A1 (de) 1998-12-07 2000-06-14 Schneider Electric Industries SA Einrichtung zur Steuerung eines Elektromagneten, mit von Haltestrom gespeisten Stromversorgung
DE102004013900A1 (de) * 2004-01-26 2005-10-20 Lin Tzo Ing Geräuschloses Gleich- und Wechselstromschütz mit geringer Verlustleistung für einen großen Spannungsbereich
FR2923936A1 (fr) * 2007-11-19 2009-05-22 Schneider Electric Ind Sas Circuit de commande d'un actionneur electromagnetique a double bobines et actionneur electromagnetique a double bobines comportant un tel circuit de commande.

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JP3631662B2 (ja) * 2000-05-22 2005-03-23 日本電気通信システム株式会社 ラッチングリレー駆動回路
FR2919421B1 (fr) * 2007-07-23 2018-02-16 Schneider Electric Industries Sas Actionneur electromagnetique a au moins deux bobinages
CN101752143A (zh) * 2010-01-18 2010-06-23 浙江大学 一种用于交流接触器的节能器

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Publication number Priority date Publication date Assignee Title
GB2156156A (en) * 1984-03-15 1985-10-02 Hager Electro Gmbh & Co Electromagnetic switch arrangement
FR2568715A1 (fr) 1984-08-03 1986-02-07 Telemecanique Electrique Dispositif de commande d'une bobine d'electroaimant et appareil electrique de commutation equipe d'un tel dispositif
EP0184940A2 (de) * 1984-12-12 1986-06-18 Technological Research Association Of Highly Reliable Marine Propulsion Plant Verfahren und Einrichtung zur Steuerung elektromagnetischer Stellglieder
EP1009004A1 (de) 1998-12-07 2000-06-14 Schneider Electric Industries SA Einrichtung zur Steuerung eines Elektromagneten, mit Erfassung von unbeabsichtigten Bewegen des beweglichen Kerns eines Elektromagneten
EP1009003A1 (de) 1998-12-07 2000-06-14 Schneider Electric Industries SA Einrichtung zur Steuerung eines Elektromagneten, mit von Haltestrom gespeisten Stromversorgung
DE102004013900A1 (de) * 2004-01-26 2005-10-20 Lin Tzo Ing Geräuschloses Gleich- und Wechselstromschütz mit geringer Verlustleistung für einen großen Spannungsbereich
FR2923936A1 (fr) * 2007-11-19 2009-05-22 Schneider Electric Ind Sas Circuit de commande d'un actionneur electromagnetique a double bobines et actionneur electromagnetique a double bobines comportant un tel circuit de commande.

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Publication number Publication date
CN102543577B (zh) 2016-03-09
EP2466607B1 (de) 2013-04-17
FR2969368B1 (fr) 2012-12-28
FR2969368A1 (fr) 2012-06-22
CN102543577A (zh) 2012-07-04

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