WO2009135519A1 - Procédé et dispositif de commande d'actionneur magnétique - Google Patents

Procédé et dispositif de commande d'actionneur magnétique Download PDF

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Publication number
WO2009135519A1
WO2009135519A1 PCT/EP2008/003931 EP2008003931W WO2009135519A1 WO 2009135519 A1 WO2009135519 A1 WO 2009135519A1 EP 2008003931 W EP2008003931 W EP 2008003931W WO 2009135519 A1 WO2009135519 A1 WO 2009135519A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching
actuator
current
calibrated
determined
Prior art date
Application number
PCT/EP2008/003931
Other languages
German (de)
English (en)
Inventor
Jochen Ermisch
Uwe Hering
Ralf-Reiner Volkmar
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2008/003931 priority Critical patent/WO2009135519A1/fr
Publication of WO2009135519A1 publication Critical patent/WO2009135519A1/fr

Links

Classifications

    • 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
    • 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
    • H01F7/1844—Monitoring or fail-safe circuits
    • 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
    • H01F7/1877—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings controlling a plurality of loads
    • 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
    • H01H2047/009—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current with self learning features, e.g. measuring the attracting current for a relay and memorising it

Definitions

  • the invention relates to a method and a device for controlling a magnetic actuator, in particular of a contactor or relay, wherein at least one parameter of the actuator detected and the actuator is switched by means of at least one switching module.
  • Magnetic actuators are used, for example, for moving contacts of low, medium or high voltage switchgear.
  • a magnetic flux of the magneti- see actuator is electronically controlled and controlled.
  • a bistable magnetic actuator a movable magnetic core, which is coupled via a lever mechanism to movable switch poles, moved from a stable end position to another stable end position.
  • the switching devices to be switched by means of a movement of such a magnetic actuator usually have high switching speeds of approximately 1 m / s and require electronic switching control with switching times which can be reproduced very accurately in the millisecond range.
  • the drive device for driving a magnetic actuator or an electrical switching device having an armature, known.
  • the drive device comprises a receiving device for receiving or detecting a movement size regarding the armature and / or a contact associated therewith, and a regulating device for controlling or regulating the acceleration of the armature or of the contact, wherein the
  • Acceleration control can be carried out on the basis of a setpoint curve "speed over position" by setting a current acceleration value so that, while maintaining the acceleration value, a predetermined point on the setpoint curve is achieved.
  • the switching properties of the magnetic actuator depend on various geometry and material-related and electrical parameters, such as coil resistance, coil wire length, temperature, magnetic material properties. Manufacturing and manufacturing tolerances are also given tolerances, such as wire diameter tolerances, tolerances of the iron circuit, parasitic air gap losses, tolerances of Heidelberggeratekinematik and the Heidelbergbau- group.
  • the invention is therefore based on the object to provide a method and an apparatus for controlling a magnetic actuator, which enables switching of the actuator with the highest possible reproducibility.
  • the object erfmdungsgelect is achieved by the features specified in claim 1.
  • the object is achieved by the features specified in claim 10.
  • a switching current characteristic impressed on one or more coils of the actuator is detected as a parameter, with reference to FIG Switching periods for switching on and / or switching off of the switching device are determined and calibrated in the switching current profile and the operation of the magnetic actuator during operation is controlled on the basis of the calibrated switching periods and the switching current curves determined for them.
  • switching current is understood in particular to be a coil current to be impressed into the coil / n.
  • on and off switching periods of the switching device can be minimized and thus the switching speed can be increased.
  • the switching periods of HeidelberggerateNOWe in very narrow Areas can be kept and reproduced with a high repeatability. Due to the adjustability of the switching periods, the reliability can be increased.
  • the actuator those impressed switching current values of the detected switching current waveform, in particular of ON or OFF circuits, determined in which a predetermined switching time for the HeidelberggerateWallete is maintained with a predetermined reproducibility.
  • a possible embodiment of the invention provides that it is specified as reproducibility that switching time deviations relative to the current zero crossing of the mains voltage or another application-specific phase position amount to at most +/- 0.5 ms, preferably +/- 0.1 ms.
  • switching time deviations relative to the current zero crossing of the mains voltage or another application-specific phase position amount to at most +/- 0.5 ms, preferably +/- 0.1 ms.
  • the switching module of the magnetic actuator is controlled such that after the expiry of the determined calibrated switching period, that is, the time between a logical switching command "Betatigen" and a close or open the contacts of the switching device just a current zero ⁇ passage of the mains voltage or another application-specific phase position is present on a line to be switched between supplying network and electrical consumer.
  • the switching module of the magnetic actuator is controlled such that after the expiry of the determined calibrated switching period, that is, the time between a logical switching command "Betatigen" and a close or open the contacts of the switching device just a current zero ⁇ passage of the mains voltage or another application-specific phase position is present on a line to be switched between supplying network and electrical consumer.
  • the determined switching time for the Einprag- or current flow duration of the coils ie the turn-on or opening coil, without a Endlagenerkennung set of parameterizable times or durations, which at least a programmable duration of a switch-on or switch-off for controlling the coils, a parameterizable Duration for a Abkommut réelle the coil current and / or a parameterizable switching time of a Polwenders are composed.
  • the determined switching time duration is at least one duration of a switch-on or switch-off pulse for controlling the coils, the duration or length of the switch-on or switch-off pulse being determined by the end position signal, and at least one parameterizable follow-up time, such as a parameterizable duration for a Abkommut réelle of the coil current and / or a parameterizable switching time of a Polwenders together.
  • the control of the switching current to be impressed i. its current amplitude and its current duration and thus a switching current waveform, time-dependent executed.
  • the time-dependent switching current values are preferably stored and used to control the coils during operation.
  • currently detected switching current values and / or a currently detected switching current profile are determined and compared with stored switching current values assigned to the calibrated switching periods and / or stored switching current curves, which serve as desired values or desired value curves. Based on the comparison of réelleoniagende switching current is then controlled. As a result, a high repeat accuracy of the switching periods is possible.
  • the specification of switching current values in particular in current waveforms, can be used to determine and predetermine a time-dependent movement and / or speed curve profile for uni- and bipolar and, within limits, also bistable magnetic actuators, ie used in a control system.
  • the control of the switching current to be impressed is carried out as a function of the switching position, in particular as a function of end-position signals of limit switches coils.
  • This makes it possible, for example, in a unipolar magnetic actuator that in addition to the ON or OFF circuit, a so-called SPAR- / RUHE- circuit can be realized, that is, when the ON circuit is switched, the switching or coil current from the ON-switching Stream lowered to exnen adjustable lower HOLD stream.
  • At least one design and / or control variable, in particular future magnetic actuators for. B. switching time, Wegzextdauer, switching current of the respective magnetic actuator adapted.
  • the ascertained, calibrated switching periods are recalibrated on the basis of current or continuously detected switching current values.
  • the switching time periods in dependence on a temperature profile, of which the switching periods are proportionally dependent are determined.
  • the determined switching time durations for the switching coils can also be parameterized and specified in an application-specific manner. For this purpose, preferably by means of current and / or voltage measurements of the mains current or the mains voltage different phase positions and associated switching times and switching periods can be determined and parameterized.
  • Fig. 1 shows schematically a device for controlling a magnetic coil comprising two coils with a control unit, two switching modules and a calibration
  • Fig. 2 to 4 schematically different exemplary embodiments of a device for controlling a unipolar or bipolar magnetic actuator with: or without Polwender.
  • Figure 1 shows a device 1 for controlling a magnetic actuator 2, z. B. a relay or protection.
  • the magnetic actuator 2 is for example a unipolar, bipolar or bistable magnetic drive with permanent magnetic end position locking for a switching device, eg. B. a medium-voltage circuit breaker.
  • One of the coils Ll serves as a turn-on coil and the other coil L2 serves as a switch-off coil.
  • the magnetic actuator 2 is a bistable magnetic drive, which two coils Ll and L2 (eg, protection or relay coils) wound in a conventional manner around a magnetic core, not shown, for actuating an armature not shown in the magnetic core.
  • Ll and L2 eg, protection or relay coils
  • the device 1 per coil Ll, L2 includes an associated switching module 3.
  • the respective switching module 3 is in a conventional manner with a semiconductor switch circuit T, z. B. one or more MOSFETs or IGBTs, a charging diode D and an energy storage K executed.
  • the energy storage K is supplied via a switching power supply 13 with DC voltage U 3 .
  • a control unit 4 is provided, via which the control unit 4 switching commands ON, OFF via a data transmission unit 8, by a not shown closer Schutzgerat, z. As a fuse, or a Leitgerat, z. As a control center, obtained.
  • the data transmission unit 8 can be designed as a simple cable connection, a data bus or a radio connection.
  • the switching modules 3, in particular their inputs E and outputs A, are connected via connecting elements 10, z. B. Jardinverbin- fertilize, connected to inputs E and outputs A of the control unit 4.
  • an end position detection by means of limit switches 12 is provided for each coil L1, L2, which is connected to the control unit 4 as a message input M.
  • control unit 4 comprises a calibration module 14.
  • calibration module 14 may be designed separately and be coupled to the control unit 4 via the interface 6.
  • the calibration module 14 is determined during operation of the door 2 a actuaries to the coils Ll, L2 respectively ein rempligender switching current flow I L i (t), IL 2 (t).
  • outputs A are provided on the respective switching module 3, to which measuring modules for detecting the coil currents I Li , I L2 can be connected, the measurement results of the control unit 4 can be fed.
  • a current sensor S is arranged in the respective source output 15, the signal of which is fed via the output A of the switching module 3 to the control unit 4.
  • a storage unit of calibration module 14 can be stored and the controller 4 are fed in accordance with the basis of which it is the Control unit 4 in a conventional manner, the coils Ll, L2 controls, in which a controlled switch-on by appropriate Stromempragung with a switching current I L i, I L2 and control of the holding current and a controlled turn-off done.
  • this switching current values I LI (MOM), I L2 (mom) and / or a currently detected switching current waveform I LI (t mom), I L2 (t mom) is determined and stored with one behind, the calibrated switching time durations T L i, T L2 associated switching current values I L i (n), I L2 ( ⁇ ) and / or stored switching current I L i (t), l L2 (t), which serve as setpoints or setpoint curves compared. Based on the comparison of the plausibleprgende switching current I L i, I L2 is then controlled.
  • an over-excitation by means of energy storage in a further capacitor for the switch-on can be provided.
  • the control unit 4 for calibrating the switching periods T L i, T L2 of - Art designed that this after a predetermined number of circuits, eg. B. 50 or 100 ON or OFF circuits, the actuator 2, those impressed Schaitsiromlus I L i (n), I L2 (n) of the detected switching current waveform I L i (t), I L2 (t) determined in which the determined switching time duration T L i, T L2 a predetermined set switching time duration setpoint T L i, setpoint T L 2 comply with a predetermined reproducibility.
  • switching time deviations dT relative to the current zero passage of the mains voltage U of the associated switching device are at most +/- 0.5 ms, preferably +/- 0.1 ms.
  • the switching times kT L i, kT L2 are determined as the calibrated switching time periods kT L , which ensure a required high reproducibility.
  • a current injection is possible "at which temperature Fluxes within the operating temperature range of the coils Ll, L2 and the magnet, z. From -25 ° C to + 70 ° C, have no influence on the calibrated switching time durations kT L1 , kT L2 on which the control is based and their reproducibility.
  • the schaltzeitabhangigen that is calibrated to the determined switching periods of time kT L ⁇ , kT L2 associated and determined switching current values LLI (kT L i), l L2 (kT L 2) together with the determined calibrated switching periods of time kT Li, kT L2 preferably in the calibration module 14 in a storage unit, not shown, for. B. m an n-dimensional table, stored and read to control the impressing switching current I L1 , I L2 in the operation of the actuator 2 of the control unit 4 and used.
  • the control of the coils L1, L2 can be varied by the control unit 4.
  • B. Abkommutierungsdauer the switching current of the switching coil Ll or L2 duration of the Polwenders 16 includes.
  • the stored calibrated switching periods kT Li , kT L2 with the associated calibrated switching current values I L i (kT L1 ), I L2 (kT L2 ) are read out and used for control when switching on and / or switching off.
  • At least one control current conductor curve can be determined, where then optionally time-dependent movement and / or velocity curve profiles for the actuator 2 can be determined can be used in an extended control of the actuator 2.
  • FIGS. 2 to 4 show various exemplary embodiments of a device 1 for controlling a unipolar or bipolar magnetic actuator 2 with or without pole reverser 16.
  • the device 1 in the exemplary embodiment according to FIG. 2 can be provided with a single switching module 3 for controlling the coils L1, L2 (a turn-on coil and a turn-off coil) which are connected in parallel or in series or in anti-parallel and in series.
  • the switching module 3 is followed by a pole reverser 16, which reverses the current flow direction of the impressing switching current I L i, I L2 .
  • This device 1 serves z. B. the control of permanently magnetically locked monostable (unipolar) actuators 2.
  • Figure 3 shows an alternative embodiment with two switching modules 3 and two Polwendern 16 and an optionally switchable calibration module 14, wherein a switching module 3 and a Polwender 16 one of the coils Ll or L2 are assigned. That is, the switch-on coil and the opening coil of the actuator 2 are respectively from the associated switching module 3 with activated calibration module 14, with calibrated switching time kT L1 , kT L2 and associated calibrated switching current values L L (kT L i), l L2 ( kT L2 ) separately controlled.
  • the calibration module 14 is deactivated, the control of the coils L1, L2 takes place in a conventional manner.
  • Figure 4 shows a simple device 1 without Polwender 16 for different modes of operation for coil drive with two power or switching modules 3 for separate control of the coils Ll and L2 and an activatable calibration module 14 for controlling the coils Ll, L2 by means of calibrated switching time periods kT L1 , kT L2 with the calibration module 14 activated or in a conventional manner with the calibration module 14 deactivated.
  • different modes can be realized in the coil drive.
  • four operating modes with one end position detection and four operating modes without a limit position detection by means of the control unit 4 can be executed.
  • two further operating modes can be realized.
  • the switching pulses for the coils L1, L2 can be triggered jointly or separately by switch-on or switch-off commands.
  • the switching pulse of the respective coil Ll, L2 whose coil current I L i, I L2 is to compensate for the magnetic field can be switched on delayed.
  • I L i I L2 coil currents I L i (kT L1 ), I L2 (kT L2 ) switching current values

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Linear Motors (AREA)

Abstract

L'invention concerne un procédé et un dispositif de commande d'actionneur magnétique (2), en particulier pour un appareil de commutation; ledit procédé consiste à détecter au moins un paramètre de l'actionneur (2) et à commuter l'actionneur (2) par le biais d'au moins un module de commutation (3). Selon l'invention, le paramètre détecté est une variation (IL1(t), IL2(t) ) du courant de commutation appliqué à une ou plusieurs bobines (L1, L2 ) de l'actionneur (2); les valeurs de courant de commutation (IL1(n), IL2(n) ) déterminées lors de la variation du courant de commutation (IL1(t), lL2(t) ) permettent d'étalonner des durées de commutation (TL1, TL2) pour la mise en marche et/ou l'arrêt de l'appareil de commutation et les durées de commutation étalonnées (kTL1, kTL2) ainsi que les variations de courant (IL1(t), IL2(t) ) déterminées relativement à ces dernières pour la durée d'application permettent de commander l'actionneur magnétique (2) pendant son utilisation.
PCT/EP2008/003931 2008-05-09 2008-05-09 Procédé et dispositif de commande d'actionneur magnétique WO2009135519A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/003931 WO2009135519A1 (fr) 2008-05-09 2008-05-09 Procédé et dispositif de commande d'actionneur magnétique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/003931 WO2009135519A1 (fr) 2008-05-09 2008-05-09 Procédé et dispositif de commande d'actionneur magnétique

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WO2009135519A1 true WO2009135519A1 (fr) 2009-11-12

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2693456A1 (fr) * 2012-08-02 2014-02-05 ABB Technology AG Actionneur à bobine pour dispositif de commutation et procédé de correction correspondant
EP2852249A1 (fr) * 2013-09-18 2015-03-25 BSH Hausgeräte GmbH Dispositif de plaque de cuisson
EP2983189A1 (fr) * 2014-08-06 2016-02-10 Whirlpool Corporation Procédés, appareil et articles de fabrication pour réguler la commutation de bobine de relais
CN106329706A (zh) * 2016-10-11 2017-01-11 江苏金智科技股份有限公司 一种提供断路器分合闸时间智能修正功能的厂用电源快速切换装置
EP3032560B1 (fr) 2012-05-07 2017-04-05 S & C Electric Co. Dispositif actionneur bistable

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3942836A1 (de) * 1989-12-23 1991-06-27 Daimler Benz Ag Verfahren zur bewegungs- und lagezustandserkennung eines durch magnetische wechselwirkung zwischen zwei endpositionen beweglichen bauteiles eines induktiven elektrischen verbrauchers
DE10332595A1 (de) * 2003-07-17 2005-02-24 Siemens Ag Vorrichtung und Verfahren zum Ansteuern elektrischer Schaltgeräte
DE10347056A1 (de) * 2003-10-07 2005-05-12 Daimler Chrysler Ag Verfahren zur Regelung eines Magnetventils
US6923161B2 (en) * 2002-03-28 2005-08-02 Siemens Vdo Automotive Corporation Fuel injection timer and current regulator
US20060001497A1 (en) * 2004-07-01 2006-01-05 Minteer Timothy M Magnetic actuator trip and close circuit and related methods

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3942836A1 (de) * 1989-12-23 1991-06-27 Daimler Benz Ag Verfahren zur bewegungs- und lagezustandserkennung eines durch magnetische wechselwirkung zwischen zwei endpositionen beweglichen bauteiles eines induktiven elektrischen verbrauchers
US6923161B2 (en) * 2002-03-28 2005-08-02 Siemens Vdo Automotive Corporation Fuel injection timer and current regulator
DE10332595A1 (de) * 2003-07-17 2005-02-24 Siemens Ag Vorrichtung und Verfahren zum Ansteuern elektrischer Schaltgeräte
DE10347056A1 (de) * 2003-10-07 2005-05-12 Daimler Chrysler Ag Verfahren zur Regelung eines Magnetventils
US20060001497A1 (en) * 2004-07-01 2006-01-05 Minteer Timothy M Magnetic actuator trip and close circuit and related methods

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3032560B1 (fr) 2012-05-07 2017-04-05 S & C Electric Co. Dispositif actionneur bistable
EP2693456A1 (fr) * 2012-08-02 2014-02-05 ABB Technology AG Actionneur à bobine pour dispositif de commutation et procédé de correction correspondant
WO2014019798A1 (fr) * 2012-08-02 2014-02-06 Abb Technology Ag Actionneur hélicoïdal destiné à un dispositif de commutation et procédé de correction associé
EP2852249A1 (fr) * 2013-09-18 2015-03-25 BSH Hausgeräte GmbH Dispositif de plaque de cuisson
EP2983189A1 (fr) * 2014-08-06 2016-02-10 Whirlpool Corporation Procédés, appareil et articles de fabrication pour réguler la commutation de bobine de relais
US9679728B2 (en) 2014-08-06 2017-06-13 Whirlpool Corporation Methods, apparatus and articles of manufacture to regulate relay coil switching
CN106329706A (zh) * 2016-10-11 2017-01-11 江苏金智科技股份有限公司 一种提供断路器分合闸时间智能修正功能的厂用电源快速切换装置
CN106329706B (zh) * 2016-10-11 2020-04-10 江苏金智科技股份有限公司 一种提供断路器分合闸时间智能修正功能的厂用电源快速切换装置

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