EP3963617B1 - Système d'entraînement conçu pour un commutateur et procédé pour entraîner un commutateur - Google Patents

Système d'entraînement conçu pour un commutateur et procédé pour entraîner un commutateur Download PDF

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Publication number
EP3963617B1
EP3963617B1 EP20721217.6A EP20721217A EP3963617B1 EP 3963617 B1 EP3963617 B1 EP 3963617B1 EP 20721217 A EP20721217 A EP 20721217A EP 3963617 B1 EP3963617 B1 EP 3963617B1
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EP
European Patent Office
Prior art keywords
switch
drive shaft
value
drive
shaft
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.)
Active
Application number
EP20721217.6A
Other languages
German (de)
English (en)
Other versions
EP3963617A1 (fr
EP3963617C0 (fr
Inventor
Kathrin Prüßing
Michael Schmeisser
Jürgen Schimbera
Eduard ZERR
Sebastian Schmid
Klaus IXMEIER
Benjamin Dittmann
Eugen NAGEL
Franz HABENSCHADEN
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.)
Maschinenfabrik Reinhausen GmbH
Scheubeck GmbH and Co
Original Assignee
Maschinenfabrik Reinhausen GmbH
Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
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.)
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Publication date
Application filed by Maschinenfabrik Reinhausen GmbH, Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG filed Critical Maschinenfabrik Reinhausen GmbH
Publication of EP3963617A1 publication Critical patent/EP3963617A1/fr
Application granted granted Critical
Publication of EP3963617B1 publication Critical patent/EP3963617B1/fr
Publication of EP3963617C0 publication Critical patent/EP3963617C0/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H01H2003/266—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor having control circuits for motor operating switches, e.g. controlling the opening or closing speed of the contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H2009/0061—Monitoring tap change switching devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0027—Operating mechanisms

Definitions

  • the invention relates to a drive system for a switch and a method for driving a switch.
  • switches there are a variety of switches in substations for different tasks and with different requirements. In order to operate the respective switches, they must be driven via a drive system. These switches include on-load tap changers, diverter switches, selectors, double turners, turners, preselectors, circuit breakers, load switches or disconnectors.
  • WO 2012/135209 A1 discloses an on-load tap changer based on the reactor switching principle with a motor drive.
  • the motor drive has a Multi Turn Absolute Encoder, which is arranged on a side shaft.
  • a “feedback device” is attached to the motor itself, which can be designed as a multi-turn absolute encoder or resolver.
  • WO 2008/024048 A1 discloses a motor drive housing in an on-load tap changer.
  • a motor, a gearbox and a position sensor are arranged inside the housing.
  • the motor is connected via a gearbox to a shaft that operates the on-load tap changer.
  • the position sensor is arranged on the gearbox.
  • WO 00/36621 A1 discloses a drive device for a medium-voltage or high-voltage switchgear, in which the drive has a rotating electrical machine which is operatively connected to a moving contact.
  • US 7,109,670 B1 discloses a drive system with a device for damping the speed and a device for adjusting the speed of a motor drive.
  • on-load tap changers are used for uninterrupted switching between different winding taps of an electrical equipment, such as a power transformer or a controllable choke. This allows, for example, the transformation ratio of the transformer or the inductance of the choke to be changed. Double inverters are used to reverse the polarity of windings during power transformer operation.
  • a further object of the invention is to provide a method for driving at least one switch which provides an improved concept for driving a switch, thereby increasing the flexibility of the drive and the safety of the switching.
  • the improved concept is based on the idea of equipping a drive shaft for driving the switch with a feedback system that is capable of detecting at least one value for a position of the drive shaft.
  • the operation of the motor is influenced based on a feedback signal which is generated depending on the value.
  • a drive system for the switch includes a drive shaft connecting the drive system to the switch, a motor for driving the drive shaft, and a feedback system.
  • the feedback system is set up to determine at least one value for a position of the drive shaft and to generate a feedback signal based on the at least one value.
  • the drive system has a control device which is set up to influence operation of the motor depending on the feedback signal.
  • the feedback system is set up to determine at least one value for a position of the drive shaft using a transmitter and an auxiliary contact and to generate a feedback signal based on the at least one value.
  • the encoder and the auxiliary contact can each generate a separate value, with the values then being combined into one value in order to generate a feedback signal based on this value.
  • the respective value of the encoder and the value of the auxiliary contact which in combination represent the position of the drive shaft, can directly generate a common feedback signal.
  • the switch can be designed as an on-load tap changer or a diverter switch or a selector or a double turner or a turner or a preselector or a circuit breaker or a load switch or a circuit breaker.
  • values for the position of the drive shaft also includes those values of measured variables from which the position of the drive shaft can be clearly determined, if necessary within a tolerance range.
  • the control device can increase the security of the position determination and reduce the corresponding residual risk of incorrect position determination.
  • the drive system serves to drive a shaft of the switch, e.g. on-load tap changer or a corresponding component of the on-load tap changer.
  • This causes the on-load tap changer, for example, to carry out one or more operations, for example a switch between two winding taps of an equipment or parts of the switch, such as a load switch, a selector actuation, preselector actuation or a double turner actuation.
  • the drive shaft is connected directly or indirectly, in particular via one or more gears, to the switch, in particular to the shaft of the switch.
  • the drive shaft is directly or indirectly, in particular via one or more gears, with the diverter switch, selector, double turner, turner, circuit breaker, load switch or disconnector, in particular the shaft of the diverter switch, selector, double turner, turner, circuit breaker, load switch or Disconnector, connected.
  • the drive shaft is connected directly or indirectly, in particular via one or more gears, to the motor, in particular to a motor shaft of the motor.
  • a position, in particular an absolute position, of the motor shaft corresponds to a position, in particular an absolute position, of the drive shaft. This means that the position of the drive shaft can be clearly deduced from the position of the motor shaft, if necessary within a tolerance range.
  • the action includes controlling, regulating, braking, accelerating or stopping the engine.
  • the control can include, for example, position control, speed control, acceleration control or torque control.
  • the drive system represents a servo drive system.
  • the drive system comprises a monitoring unit which is set up to use the feedback signal to monitor the one or more operations of the switch, on-load tap changer, diverter switch, selector, double turner, turner, preselector, circuit breaker, load switch or disconnector.
  • the monitoring includes in particular monitoring as to whether individual operations or parts thereof are carried out properly, in particular within predefined time windows.
  • the control device comprises a control unit and a power section for the controlled or regulated energy supply to the motor.
  • the control unit is set up to control the power section depending on at least one setpoint, in particular a position, speed or acceleration setpoint.
  • the power section is designed as a converter or servo converter or as an equivalent electronic, in particular fully electronic, unit for drive machines.
  • control device contains the feedback system in whole or in part.
  • the feedback system is set up to determine a first value for the position of the drive shaft using a first method.
  • the value for the position of the drive shaft is a value for an absolute position of the drive shaft.
  • the drive shaft position value is an incremental drive shaft position value or a relative drive shaft position value.
  • the encoder is attached directly or indirectly to the motor shaft, the drive shaft or a shaft coupled thereto.
  • the encoder has a first output for outputting the first value for the absolute position.
  • the encoder is set up to detect the position of the drive shaft or the position of the further shaft using a first scanning method.
  • the scanning method includes an optical, a magnetic, a capacitive, a resistive or an inductive scanning method.
  • the encoder is positively connected to the drive shaft, the motor shaft or the further shaft.
  • the encoder is additionally connected to the drive shaft, the motor shaft or the other shaft in a force-fitting or material-locking manner, for example by an adhesive connection.
  • the positive and additional material or non-positive connection further increases the attachment of the encoder and ultimately operational safety.
  • the drive system has a control device which is set up to influence operation of the motor depending on the feedback signal, which is based on a common value of the encoder and the auxiliary contact or the respective individual values.
  • the inventive idea can be implemented with a wide variety of hardware. Ultimately, this increases the operational reliability of the drive system, the switch and the equipment.
  • the feedback system is set up to determine a first value by the transmitter using a first method and to determine the at least second value using the auxiliary contact using a second method. The values are then combined into one value.
  • the methods can differ due to different technical or physical principles or different components (hardware components).
  • the first value of the transmitter for the position of the drive shaft is a first value for an absolute position of the drive shaft.
  • the second value of the auxiliary contact for the position of the drive shaft is a second value for a relative position of the drive shaft.
  • the first and second values form a value for the absolute position of the drive shaft.
  • the encoder and the auxiliary contact are attached directly or indirectly to the motor shaft, the drive shaft or a shaft coupled thereto.
  • the transmitter has a first output for outputting the first value and the auxiliary contact has a second output for outputting the second value, the values forming the absolute position of the drive shaft.
  • the auxiliary contact is set up to additionally detect the position of the drive shaft or the position of the further shaft using a scanning method.
  • the scanning method includes a mechanical, an optical, a magnetic, a capacitive, a resistive or an inductive scanning method.
  • the auxiliary contact is additionally connected to the drive shaft, the motor shaft or the further shaft in a non-positive or material connection, for example by an adhesive connection.
  • the positive and additional material or non-positive connection ultimately further increases operational safety through the attachment of the auxiliary contact.
  • a method for driving an on-load tap changer includes determining at least one value for an absolute position of a drive shaft for driving the on-load tap changer, generating a feedback signal based on the at least one value and controlling a motor for driving the on-load tap changer depending on the feedback signal.
  • FIG. 1 shows a schematic representation of a drive system 3 for a switch 1.
  • the drive system 3 is connected to the switch 1 via a drive shaft 16.
  • the drive system 3 includes a motor 12, which can drive the drive shaft 16 via a motor shaft 14 and optionally via a gear 15.
  • a control device 2 of the drive system 3 comprises a power section 11, which contains, for example, a converter (not shown) for the controlled or regulated energy supply of the motor 12, and a control unit 10 for controlling the power section 11, for example via a bus 18.
  • the drive system 3 has a Encoder 13, which serves as a feedback system 4 or is part of the feedback system 4 and is connected to the power section 11. Furthermore, the encoder 13 is coupled directly or indirectly to the drive shaft 16.
  • the encoder 13 is set up to detect at least a first value for a position, in particular an angular position, for example an absolute angular position of the drive shaft 16.
  • the encoder 13 can, for example, comprise an absolute value encoder, in particular a multi-turn absolute value encoder, which is attached to the drive shaft 16, the motor shaft 14 or another shaft whose position is clearly linked to the absolute position of the drive shaft 16.
  • the position of the drive shaft 16 can be clearly determined from the position of the motor shaft 14, for example via a gear ratio of the transmission.
  • the feedback system 4 is set up to record a value for the position of the drive shaft 16.
  • the control device 2 in particular the control unit 10 and/or the power section 11, are set up to control or regulate the motor 12, depending on a feedback signal that the feedback system 4 generates based on the value.
  • FIG. 2 shows a schematic representation of a drive system 3 according to the invention.
  • an auxiliary contact 9 can be provided in addition to the encoder 13, which is designed as a single-turn absolute value encoder or single-turn rotary encoder.
  • the drive system 3 thus has a transmitter 13 and an auxiliary contact 9, which serve as a feedback system 4 or are part of the feedback system 4 and are connected to the power section 11.
  • the auxiliary contact 9 can be designed as at least one microswitch or a resolver or a sin-cos encoder.
  • the position of the drive shaft 16 can be clearly determined by means of the encoder 13 in conjunction with the auxiliary contact 9.
  • control device 2 can be set up to determine a value for the position of the drive shaft 16 from a rotor position of the motor 12.
  • the control device 2 in particular the control unit 10 and/or the power section 11, is set up to control or regulate the motor 12, depending on a feedback signal that the feedback system 4 generates based on the first value.
  • the value is generated by an output signal of a transmitter 13 or by an output signal of a transmitter 13 in conjunction with an auxiliary contact 9.

Landscapes

  • Control Of Electric Motors In General (AREA)
  • Transmitters (AREA)
  • Mechanisms For Operating Contacts (AREA)

Claims (5)

  1. Système d'entraînement (3) destiné à un commutateur (17), le système d'entraînement (3) contenant
    - un arbre d'entraînement (16) qui relie le système d'entraînement (3) au commutateur (17) ;
    - un moteur (12) destiné à entraîner l'arbre d'entraînement (16) ; et
    - un système de rétroaction (4) qui est conçu pour : déterminer au moins une valeur relative à une position de l'arbre d'entraînement (16) ; et générer un signal de rétroaction sur la base de l'au moins une valeur ; et
    - un dispositif de commande (2) qui est conçu pour agir sur le fonctionnement du moteur (12) en fonction du signal de rétroaction ;
    - le système de rétroaction (4) incluant au moins un codeur (13), caractérisé en ce que le codeur est conçu comme un codeur rotatif à un tour, et le système de rétroaction incluant un contact auxiliaire (9), lesquels sont conçus et disposés en combinaison pour détecter une position absolue de l'arbre d'entraînement (16) ou une position absolue d'un autre arbre qui est relié à l'arbre d'entraînement (16) et pour générer, sur la base de la position détectée, au moins un premier signal de sortie et qui est conçu pour calculer la valeur relative à la position de l'arbre d'entraînement (16) sur la base de l'au moins premier signal de sortie.
  2. Système d'entraînement (3) selon la revendication 1, la valeur relative à la position de l'arbre d'entraînement (16) étant une valeur relative à une position absolue de l'arbre d'entraînement (16).
  3. Système d'entraînement (3) selon la revendication 1 ou 2, le contact auxiliaire (9) étant réalisé sous la forme d'au moins un micro-commutateur ou résolveur.
  4. Système d'entraînement (3) selon l'une des revendications précédentes 1 à 3, le commutateur (17) étant un graduateur de réglage en charge ou un commutateur de réglage en charge ou un sélecteur de charge ou un sélecteur ou un inverseur ou un double inverseur ou un présélecteur ou un disjoncteur ou un commutateur de charge ou un sectionneur.
  5. Procédé d'entraînement d'un commutateur (17) au moyen d'un système d'entraînement (3) selon les revendications 1 à 4, le procédé comprenant les étapes suivantes :
    - déterminer au moins une valeur relative à une position absolue d'un arbre d'entraînement (16) destiné à entraîner le commutateur (17) ;
    - générer un signal de rétroaction sur la base de l'au moins une valeur ; et
    - commander un moteur (12) destiné à entraîner le commutateur (17) en fonction du signal de rétroaction.
EP20721217.6A 2019-05-15 2020-04-23 Système d'entraînement conçu pour un commutateur et procédé pour entraîner un commutateur Active EP3963617B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019112716.5A DE102019112716A1 (de) 2019-05-15 2019-05-15 Antriebssystem für einen Schalter und ein Verfahren zum Antreiben eines Schalters
PCT/EP2020/061293 WO2020229130A1 (fr) 2019-05-15 2020-04-23 Système d'entraînement conçu pour un commutateur et procédé pour entraîner un commutateur

Publications (3)

Publication Number Publication Date
EP3963617A1 EP3963617A1 (fr) 2022-03-09
EP3963617B1 true EP3963617B1 (fr) 2023-11-01
EP3963617C0 EP3963617C0 (fr) 2023-11-01

Family

ID=70456784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20721217.6A Active EP3963617B1 (fr) 2019-05-15 2020-04-23 Système d'entraînement conçu pour un commutateur et procédé pour entraîner un commutateur

Country Status (8)

Country Link
US (1) US11908642B2 (fr)
EP (1) EP3963617B1 (fr)
JP (1) JP2022533533A (fr)
KR (1) KR20220006644A (fr)
CN (1) CN113795901A (fr)
BR (1) BR112021020588A2 (fr)
DE (1) DE102019112716A1 (fr)
WO (1) WO2020229130A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021101237B3 (de) * 2021-01-21 2022-06-09 Maschinenfabrik Reinhausen Gmbh Schalteranordnung mit laststufenschalter und antriebssystem

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69830808T2 (de) 1998-12-16 2006-04-27 Abb Ab Betätigungseinrichtung zum antrieb und steuerung eines schaltgeräts
US7109670B1 (en) * 2005-05-25 2006-09-19 Rockwell Automation Technologies, Inc. Motor drive with velocity-second compensation
RU2431884C2 (ru) 2006-08-25 2011-10-20 Абб Текнолоджи Лтд Электрический двигатель для переключателя отводов под нагрузкой
WO2012135209A1 (fr) 2011-03-27 2012-10-04 Abb Technology Ag Changeur de prises à système d'entraînement amélioré

Also Published As

Publication number Publication date
KR20220006644A (ko) 2022-01-17
DE102019112716A1 (de) 2020-11-19
BR112021020588A2 (pt) 2021-12-07
JP2022533533A (ja) 2022-07-25
US11908642B2 (en) 2024-02-20
WO2020229130A1 (fr) 2020-11-19
CN113795901A (zh) 2021-12-14
US20220223356A1 (en) 2022-07-14
EP3963617A1 (fr) 2022-03-09
EP3963617C0 (fr) 2023-11-01

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