WO2022037971A1 - Appareillage de commutation pour tensions moyennes et/ou élevées, et procédé d'échange de données dans l'appareillage de commutation à l'aide d'un guide d'ondes optique - Google Patents

Appareillage de commutation pour tensions moyennes et/ou élevées, et procédé d'échange de données dans l'appareillage de commutation à l'aide d'un guide d'ondes optique Download PDF

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Publication number
WO2022037971A1
WO2022037971A1 PCT/EP2021/071991 EP2021071991W WO2022037971A1 WO 2022037971 A1 WO2022037971 A1 WO 2022037971A1 EP 2021071991 W EP2021071991 W EP 2021071991W WO 2022037971 A1 WO2022037971 A1 WO 2022037971A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical waveguide
switchgear
switching
data acquisition
switching units
Prior art date
Application number
PCT/EP2021/071991
Other languages
German (de)
English (en)
Inventor
Lutz-Rüdiger JÄNICKE
Christoph Armschat
Original Assignee
Siemens Energy Global GmbH & 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.)
Filing date
Publication date
Application filed by Siemens Energy Global GmbH & Co. KG filed Critical Siemens Energy Global GmbH & Co. KG
Publication of WO2022037971A1 publication Critical patent/WO2022037971A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/26—Means for detecting the presence of an arc or other discharge
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H02B13/065—Means for detecting or reacting to mechanical or electrical defects
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H02H1/0015—Using arc detectors
    • H02H1/0023—Using arc detectors sensing non electrical parameters, e.g. by optical, pneumatic, thermal or sonic sensors

Definitions

  • SWITCHGEAR FOR MEDIUM AND/OR HIGH VOLTAGE AND METHOD OF DATA EXCHANGE IN THE SWITCHGEAR USING FIBER OPTICS
  • the invention relates to a switchgear for medium and/or high voltages and a method for data exchange in the switchgear, with at least two switching units and at least one data acquisition unit.
  • Switchgear for medium voltages are designed to switch voltages in the range from one kilovolt to a two-digit kilovolt number, in particular 52 kV, and in the range of up to a few kiloamperes, in particular 15 kA operating current.
  • Switchgear for high voltages are designed to switch voltages in the range of up to a few hundred kilovolts, in particular 1200 kV, and in the range of up to a few hundred kiloamperes.
  • Switchgear are e.g. B. Outdoor switchgear and/or gas-I insulated switchgear, which in particular include circuit breakers, disconnectors, instrument transformers and/or control units and data transmission units.
  • Step into switchgear e .g . B. in the event of overstress or weakened insulation, breakdown and/or flashover to .
  • optical detection systems that react to the light emitted by the arc are used. At each system component to be monitored, i .e . H .
  • an arc detection system with a light sensor is installed on each switching unit.
  • H a data acquisition unit, is connected.
  • a direct assignment of a message or a signal generated by the arc to the affected system component or to the corresponding switching unit possible .
  • the light of the arc is guided to the detection system, and from the detection system or The data acquisition unit reports the event to a control and protection system, which triggers the appropriate switching actions.
  • each light sensor via its own optical waveguide to its own receiver input of a particularly multi-channel detection system, i. H . a data acquisition unit is time-consuming, complex and cost-intensive. If designed accordingly, each fiber optic cable must be equipped with its own protective device in order to prevent or prevent the risk of personal injury and/or flashovers when voltage is applied to the switching units. to minimize . This entails additional costs and effort.
  • the object of the present invention is to specify a switchgear for medium and/or high voltages and a method for data exchange in a switchgear for medium and/or high voltages, in particular in a switchgear described above, which solve the problems described above.
  • it is the task of specifying a switchgear and a method which are simple and inexpensive and enable safe, permanent, non-destructive operation of the switchgear.
  • the specified object is achieved according to the invention by a switchgear for medium and/or high voltages with the features according to patent claim 1 and/or by a method for data exchange in a switchgear for medium and/or high voltages, in particular in a previously described switchgear, according to patent claim 12 solved .
  • the at least two switching units are connected to the at least one data acquisition unit via a collecting optical waveguide.
  • the construction of the switchgear becomes simpler, more economical and only one optical waveguide, i.e. H . in particular, the collecting fiber optic cable must be equipped with its own protective device.
  • the at least two switching units can each be connected to a connecting optical waveguide.
  • the connection optical waveguides can be connected to the collecting optical waveguide, in particular by means of a splice.
  • the at least two switching units can each be connected to a connection optical waveguide, which is connected by means of a Nes splice can be connected to the collecting optical waveguide, which can be connected to the at least one data acquisition unit. In this way, each switching unit is connected to the data acquisition unit via the collecting optical waveguide in a cost-effective and simple manner, with the advantages described above.
  • Exactly one collecting optical waveguide can be included.
  • the switchgear can be set up in a particularly simple and cost-effective manner with precisely one collecting fiber-optic cable. Only one protective device is e.g. B. necessary in order to prevent or to minimize .
  • exactly one collecting optical waveguide per phase can be included in order to protect each phase individually and, in particular, to be able to completely switch off the phase when an arc occurs at a switching device of the phase.
  • the optical waveguides can be designed to transmit optical signals, in particular light from arcs of the at least two switching units to the at least one data acquisition unit.
  • the at least two switching units can each include a light sensor, in particular connected to a connecting optical waveguide and/or designed as a connecting optical waveguide. This enables arcs to be detected easily and cost-effectively at each switching unit.
  • a connection optical waveguide as a light sensor saves additional facilities such.
  • the at least two switching units can each include specific units for coloring, in particular color filters, in particular for the clear assignment of light signals from a switching unit on the at least one data acquisition unit to the respective switching unit.
  • the signals can be clearly assigned to a switching unit, despite the transmission of the light signals via a common collecting optical waveguide, and this switching unit can be specifically assigned if an arc occurs in the respective switching unit turned off .
  • Certain colors can also be assigned to switching units of a switching unit block, so that when an arc occurs in at least one switching unit of the switching unit block, the entire block can be specifically switched off, with switching units of other blocks z. B. not be turned off.
  • the optical waveguides can be designed to transmit optical control signals from the at least one data acquisition unit to the at least two switching units.
  • the at least one data acquisition unit can include specific units for coloring, in particular color filters, and each switching unit can each have a unit for acquiring light signals of a specific color and/or predetermined colors, in particular for controlling the switching units by the data acquisition unit .
  • the advantages are analogous to the advantages described above for the signal transmission from the switching units to the at least one data acquisition unit.
  • a method according to the invention for data exchange in a switchgear for medium and/or high voltages, in particular in a previously described switchgear includes that at least two switching units are connected to at least one data acquisition unit via precisely one collecting optical waveguide.
  • the at least two switching units, in particular two switching units of a phase can each be connected to a connection optical waveguide, which can be connected by means of a splice to the collecting optical waveguide, which can be connected to the at least one data acquisition unit.
  • Optical control signals, in particular specifically through color filters for switching units, of the at least one data acquisition unit can be transmitted to the at least two switching units via the optical waveguide, in particular for the specific switching of individual switching units and/or switching unit blocks, in particular for switching off in the event of arcing.
  • Light signals in particular from arcs in the switching unit, can be fed into a collecting fiber optic cable by means of a respective connection fiber optic cable via light sensors in each switching unit, in particular with color filters for the specific identification of a switching unit and/or a switching unit block , and the collecting optical waveguide can transmit the light signals to a data acquisition unit, which can assign the light signals to a switching unit and/or a switching unit block via color coding, and/or switching units and/or switching unit blocks specifically depending on the light signals can switch, in particular depending on the occurrence of arcing in switching units.
  • FIG. 1 schematically shows a ski z ze of the structure of a switchgear 1 according to the invention for medium and / or high voltages, with switching units 2 and a data acquisition unit 3, which are connected via a collecting optical waveguide 4.
  • FIG. 1 shows a schematic sketch of the structural principle of a switching system 1 according to the invention for medium and/or high voltages, with three switching units 2 and one data acquisition unit 3 .
  • the points ... indicate that two, three or more switching units 2 can be included in the switchgear 1 .
  • the switching units 2 are connected to the data acquisition unit 3 via a common collecting optical waveguide 4 .
  • Each switching unit 2 has a light sensor, which is connected via a connection optical fiber 5 to the collecting optical fiber 4, z. B. coupled by a splice 6 .
  • each connection optical waveguide 5 serves as a light sensor and/or includes a light sensor, e.g. B. in the form of a lens and/or a colored optical filter.
  • the switching units 2 are connected to the data acquisition unit 3 via exactly one collecting optical waveguide 4, since all connection optical waveguides 5 converge on the collecting optical waveguide 4 and z. B. are coupled via the splice 6 to the collecting optical waveguide 4 . light or .
  • Optical signals of an arc, in particular in or on a switching unit 2 are received or received via the light sensor in the respective connection optical waveguide 5.
  • in collecting Optical fiber 4 is the light or.
  • the processed signal can e.g. B. are stored, are displayed on an output unit such. B. an alarm light or on a monitor, and/or forwarded e.g. B. to a remote control room, in particular by radio, mobile radio, cable, or z.
  • B. Internet Facilities .
  • the processed signal is z. B. used to trigger a control signal, which is fed in particular via the data acquisition unit 3 in the collecting optical waveguide 4, and via the collecting optical waveguide 4, z. B. the splice 6 and the connection optical waveguides 5 is routed to the switching units 2 .
  • the signal causes z. B. switching off a switching unit 2 , a certain number of switching units 2 or all switching units 2 .
  • Additional control signals and/or signals from sensors can also be transmitted via the collecting optical waveguide 4, and in particular the splice 6 and the connecting optical waveguides 5 or be directed in reverse. This enables communication, in particular in both directions, between the switching units 2 and the data acquisition unit 3 via the common collecting optical waveguide 4 .
  • a data acquisition unit 3 includes in particular other data storage, data processing and / or data transmission units and z.
  • Various switching Units 2 or groups of switching units 2 can have color filters which color optical signals of the switching units 2 specifically.
  • the data acquisition unit 3 is z. B. designed to clearly assign the signals to the switching units 2 specifically via the color of the incoming light signals in particular. Conversely, it is possible z. B. Colored light signals specifically to address individual switching units 2 o- the groups of switching units 2, and these z. B. to switch purposefully.
  • each electrical phase in a switchgear 1 can be included.
  • Each phase has a collecting optical waveguide 4, which connects the switching units 2 of the phase to a data acquisition unit 3, in particular optically.
  • a common data acquisition unit 3 can be included for all phases or one data acquisition unit 3 per phase.
  • Optical signals can e.g. B. visible light and/or wavelengths outside of visible light. Color filters of different colors or colors can be used as filters. Wavelengths can be used and/or polarization filters can be used.
  • Switching units 2 can sensors for z. B.
  • Switching units 2 include z.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

L'invention concerne un appareillage de commutation (1) pour des tensions moyennes et/ou élevées, ainsi qu'un procédé d'échange de données dans l'appareillage de commutation, l'appareillage de commutation comprenant au moins deux unités de commutation (2) et au moins une unité d'acquisition de données (3). Lesdites unités de commutation (2) sont reliées à ladite unité d'acquisition de données (3) par l'intermédiaire d'un guide d'ondes optique collectif (4).
PCT/EP2021/071991 2020-08-21 2021-08-06 Appareillage de commutation pour tensions moyennes et/ou élevées, et procédé d'échange de données dans l'appareillage de commutation à l'aide d'un guide d'ondes optique WO2022037971A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020210646.0 2020-08-21
DE102020210646.0A DE102020210646A1 (de) 2020-08-21 2020-08-21 Schaltanlage für Mittel- und/oder Hochspannungen und Verfahren zum Datenaustausch in der Schaltanlage

Publications (1)

Publication Number Publication Date
WO2022037971A1 true WO2022037971A1 (fr) 2022-02-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/071991 WO2022037971A1 (fr) 2020-08-21 2021-08-06 Appareillage de commutation pour tensions moyennes et/ou élevées, et procédé d'échange de données dans l'appareillage de commutation à l'aide d'un guide d'ondes optique

Country Status (2)

Country Link
DE (1) DE102020210646A1 (fr)
WO (1) WO2022037971A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255505A1 (fr) * 1986-07-29 1988-02-03 GEC ALSTHOM T&D GESELLSCHAFT m.b.H. Dispositif de commande et de surveillance pour une installation de distribution de puissance électrique
DE3890265C2 (de) * 1987-04-14 1998-02-19 Abb Stroemberg Oy Lichtbogenrelais
DE10226764A1 (de) * 2002-06-14 2004-01-15 Siemens Ag Spleissbox für Lichtwellenleiter
CN206806981U (zh) * 2017-05-27 2017-12-26 大连世有电力科技有限公司 开关柜弧光保护装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255505A1 (fr) * 1986-07-29 1988-02-03 GEC ALSTHOM T&D GESELLSCHAFT m.b.H. Dispositif de commande et de surveillance pour une installation de distribution de puissance électrique
DE3890265C2 (de) * 1987-04-14 1998-02-19 Abb Stroemberg Oy Lichtbogenrelais
DE10226764A1 (de) * 2002-06-14 2004-01-15 Siemens Ag Spleissbox für Lichtwellenleiter
CN206806981U (zh) * 2017-05-27 2017-12-26 大连世有电力科技有限公司 开关柜弧光保护装置

Also Published As

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