EP3566275A1 - Dispositif de commutation électrique - Google Patents

Dispositif de commutation électrique

Info

Publication number
EP3566275A1
EP3566275A1 EP18716962.8A EP18716962A EP3566275A1 EP 3566275 A1 EP3566275 A1 EP 3566275A1 EP 18716962 A EP18716962 A EP 18716962A EP 3566275 A1 EP3566275 A1 EP 3566275A1
Authority
EP
European Patent Office
Prior art keywords
switching device
control device
data interface
electrical
current
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.)
Pending
Application number
EP18716962.8A
Other languages
German (de)
English (en)
Inventor
Dieter Heusgen
Peter REUMÜLLER
Herbert Rößler
Daniel Prostrednik
Werner SCHABBAUER
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.)
Siemens Mobility Austria GmbH
Original Assignee
Siemens Mobility GmbH
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 Mobility GmbH filed Critical Siemens Mobility GmbH
Publication of EP3566275A1 publication Critical patent/EP3566275A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/006—Calibration or setting of parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
    • H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
    • H02H7/205—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment for controlled semi-conductors which are not included in a specific circuit arrangement
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
    • H02H9/002—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off limiting inrush current on switching on of inductive loads subjected to remanence, e.g. transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals

Definitions

  • the invention relates to an electrical switching device
  • Three-phase three-phase system cause a shutdown, since the motor continues to run even after its start with the remaining phases, but would be thermally overloaded.
  • these and other protective devices are not suitable for frequent, operational switching, so that in series there is still a switching device,
  • an electromagnetically actuated relay is provided.
  • these switching devices are designed for a very high number of switching cycles, they can do not switch off any short-circuit currents. Thus, for everyone
  • Circuit at least one protective device and possibly also provide a switching device.
  • Sockets are typically not provided switching devices, in circuits for motors, however, almost always.
  • the operation of the protection and the switching systems can be done manually or remotely power-operated.
  • the invention is therefore based on the object, a
  • Embodiments are the subject of subordinate claims.
  • an electrical switching device comprising at least one semiconductor switch arranged in the current path, is electrical Measuring devices, one through the measuring devices
  • control device which is designed to control the semiconductor switch, the control device automatically causes certain actuations of the semiconductor switch upon detection of certain measured values, and wherein the conditions for driving the semiconductor switches by means of a
  • Initiation process via a data interface to the controller can be communicated.
  • the switching device comprises a control device and measuring devices for detecting electrical variables
  • Amperage based on different measuring principles.
  • Current transformers can be used or the current intensity can be determined by the voltage drop across a resistor (shunt).
  • the current measurement via the voltage drop across a resistor is very accurate and instantaneous but continuously loss heat. This high accuracy is not required, for example when the
  • shutdown criteria relate to electrical values, e.g. too high a current through the switching device, so that the function of a fuse or a
  • electromagnetic circuit breaker is mapped.
  • this function by means of a control logic, or a
  • Automatic circuit breakers can be simulated electronically.
  • a switching device in the context of an initiation process with a specific switching or
  • Switching device is determined only by the initiation process.
  • a switching device all conventional electrical protection functions
  • the functionalities can:
  • Switching device is that all common electrical switching functions can be realized.
  • the functionalities can:
  • Initiation process or this configuration data can be stored immutable in the control device.
  • the switching device is provided with a
  • Measured values derived values such as the
  • a vehicle control or similar devices To transmit control device to the data interface, as a parent control, such as a higher-level diagnostic system, a vehicle control or similar devices detect the current status of the electrical systems and possibly present to the operator in a suitable form.
  • Output measured variable as a warning via the data interface. For example, a warning can be given if a
  • a preferred embodiment of the invention provides, the triggering condition, which to an automatic
  • a higher-level controller can further process, for example, the respective triggering reason (for example short-circuit) and perform targeted maintenance or
  • Reclosure should be done without the triggering error is resolved. For example, one is
  • At least one electromechanically operable switching element in the current path which can be controlled by the control device.
  • Such can be one of the
  • Switching device supplied consumers are galvanically isolated from the power supply, so that work on this circuit are safely possible.
  • This switching action can be via parameters in the control
  • Switching device to transmit the conditions for automatic disconnection via the data interface.
  • Manual disconnection can be done via the higher-level control via the
  • Data interface can be effected.
  • Control device is evaluated. Such as can
  • triggered switching operations for example, height of the temperature, current power at the switching time
  • the switching device according to the invention can with all
  • Switching device can be performed. Likewise, the switching device itself with display devices
  • Fig.2 control device block diagram.
  • Fig.l shows an example and schematically a block diagram of a switching device. It is a block diagram of a switching device 1 shown, which is designed bipolar. Such a configuration is typical of vehicle switchgear or guards that switch and protect both the supply and return lines, and phase and neutral. For this purpose, in the first current path 4 a
  • Semiconductor switch 2 is provided and in the second current path 5 another semiconductor switch 3.
  • the current flowing through the first current path 4 current is determined by means of a current measuring device 7
  • the current flowing through the second current path 5 is determined by means of a current measuring device 8.
  • Current path 5 is determined by means of a voltage measuring device 9.
  • An output voltage measuring device 24 is arranged to detect the voltage applied to the output of the current paths 4, 5 and transmits the value of the voltage to the control device 6.
  • a temperature measuring device 25 detects the temperature of the switching device 1 or
  • a control device 6 is adapted to receive the measurement signals of the measuring devices 7, 8, 9, 24, 25 and has Control outputs for driving the semiconductor switches 2, 3 on.
  • the control device 6 can, for example, as
  • the switching device comprises a power supply 12 for the control device and naturally terminals 11 for the electrical connection of the current paths 4, 5.
  • Data interface 10 is bidirectional
  • a two-pole electromechanical circuit breaker 13 is arranged, which is controlled by the control device 6 and its state switching to the control device.
  • Switching device can, as they are the currents in both
  • phase failure protection (motor protection switch)
  • the function of the phase failure protection is of course not possible with a two-pole version, whereas it is very easy to implement with a three-pole version.
  • the concrete values, for example tripping characteristics, tripping values and the Functionality itself, can be part of a
  • Initiation process are transmitted via the data interface 10 to the controller 6, so that a type of switching devices 1 can each perform different tasks.
  • FIG. 2 shows by way of example and schematically a block diagram of a control device. It is the block diagram of a control device 6 shown as in a
  • the control device 6 comprises a digital arithmetic unit 14, which is set up for processing instruction sequences, and a memory 15 for these instruction sequences and for fixed and variable values. Furthermore, the arithmetic unit 6 comprises an analog-to-digital converter 16 for the measured values 19 of FIG.
  • Measuring devices 7, 8, 9, 24, 25 The digital values determined by the analog-to-digital converter 16 can be read out by the arithmetic unit 14.
  • a driver circuit 17 can be controlled by the arithmetic unit 14 and outputs these signals to the connected to them
  • a communication section 18 is for bidirectional data transmission with the
  • Parameterization data 23 (such as tripping current, characteristic and the like) as well as the function of the switching device
  • Circuit breaker Circuit breaker, soft start, etc.
  • Communication interface 18 switching commands are further transmitted to the switching device 1 and outputs values to an external monitoring device, such as the current electrical power values of the connected loads.
  • an external monitoring device such as the current electrical power values of the connected loads.
  • Other assemblies such as a control of display devices for displaying the status of the switching device 1 or for detecting manual inputs are not shown in Figure 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electronic Switches (AREA)

Abstract

L'invention concerne un dispositif de commutation (1) électrique comprenant au moins un interrupteur à semi-conducteurs (2, 3) monté dans le trajet du courant (4, 5), des dispositifs de mesure (7, 8, 9, 24) électriques, un dispositif de commande (6) qui évalue les valeurs de mesure obtenues par les dispositifs de mesure (7, 8, 9, 24), ledit dispositif de commande étant conçu pour commander l'interrupteur à semi-conducteurs (2, 3), ledit dispositif de commande (6) induisant automatiquement des commandes particulières lors de l'enregistrement de valeurs de mesure déterminées, les conditions pour assurer la commande de l'interrupteur à semi-conducteurs (2, 3) pouvant être transmises au dispositif de commande (6) au moyen d'un processus d'initialisation par l'intermédiaire d'une interface de données (10).
EP18716962.8A 2017-04-06 2018-04-03 Dispositif de commutation électrique Pending EP3566275A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50282/2017A AT519847B1 (de) 2017-04-06 2017-04-06 Elektrische Schalteinrichtung
PCT/EP2018/058392 WO2018185051A1 (fr) 2017-04-06 2018-04-03 Dispositif de commutation électrique

Publications (1)

Publication Number Publication Date
EP3566275A1 true EP3566275A1 (fr) 2019-11-13

Family

ID=61952668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18716962.8A Pending EP3566275A1 (fr) 2017-04-06 2018-04-03 Dispositif de commutation électrique

Country Status (4)

Country Link
EP (1) EP3566275A1 (fr)
CN (1) CN110506376B (fr)
AT (1) AT519847B1 (fr)
WO (1) WO2018185051A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020134291A1 (de) 2020-12-18 2022-06-23 Sma Solar Technology Ag Verfahren zur Absicherung einer elektrischen Anlage gegen einen Kurzschluss sowie Messsystem zur Durchführung des Verfahrens
DE102020216409B4 (de) 2020-12-21 2022-08-25 Siemens Aktiengesellschaft Schutzschaltgerät und Verfahren

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006025605A1 (de) * 2006-05-24 2007-11-29 Friedrich Lütze Gmbh & Co. Kg Vorrichtung zum selbsttätigen Abschalten oder Schalten eines elektrischen Verbrauchers
WO2015028634A1 (fr) * 2013-08-30 2015-03-05 Eaton Industries (Netherlands) B.V. Disjoncteur avec commutateur hybride
GB2520961A (en) * 2013-12-04 2015-06-10 Eaton Ind Netherlands Bv Automatic reclosing alternating current circuit breaker
DE102015105426B4 (de) * 2015-04-09 2022-06-02 Intilion Gmbh Sicherheitsvorrichtung für einen wiederaufladbaren elektrischen Energiespeicher, Verfahren zur Unterbindung eines elektrischen Stromflusses eines wiederaufladbaren elektrischen Energiespeichers und Batteriesystem mit dieser Sicherheitsvorrichtung

Also Published As

Publication number Publication date
WO2018185051A1 (fr) 2018-10-11
CN110506376B (zh) 2022-05-24
CN110506376A (zh) 2019-11-26
AT519847A1 (de) 2018-10-15
AT519847B1 (de) 2021-08-15

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