EP4042539A1 - Système haute tension avec conducteur haute tension et dispositif de connexion à un conducteur haute tension - Google Patents

Système haute tension avec conducteur haute tension et dispositif de connexion à un conducteur haute tension

Info

Publication number
EP4042539A1
EP4042539A1 EP19817598.6A EP19817598A EP4042539A1 EP 4042539 A1 EP4042539 A1 EP 4042539A1 EP 19817598 A EP19817598 A EP 19817598A EP 4042539 A1 EP4042539 A1 EP 4042539A1
Authority
EP
European Patent Office
Prior art keywords
voltage conductor
voltage
energy
conductor
coupling point
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
EP19817598.6A
Other languages
German (de)
English (en)
Inventor
Christoph Armschat
Uwe WEIGT
Jaroslaw Kussyk
Alexander Rentschler
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 Energy Global GmbH and Co KG
Original Assignee
Siemens Energy Global 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.)
Filing date
Publication date
Application filed by Siemens Energy Global GmbH and Co KG filed Critical Siemens Energy Global GmbH and Co KG
Publication of EP4042539A1 publication Critical patent/EP4042539A1/fr
Pending legal-status Critical Current

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
    • H02J13/00006—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission

Definitions

  • High-voltage system with high-voltage conductor and device for connection to a high-voltage conductor
  • the invention relates to a device for connection to a high-voltage conductor with a transmitting and / or receiving device for sending and / or receiving data signals transmitted via the high-voltage conductor to or from one or more other devices via the high-voltage conductor become.
  • Such a device is known for example from the European patent EP 2839 411 B1.
  • a carrier signal is modulated by load modulation for data transmission.
  • the invention is based on the object of improving a device of the type specified at the beginning with a view to a particularly simple energy supply.
  • the device has an energy extraction device that can be coupled to the high-voltage conductor and is designed to extract operating energy exclusively from this and without connection to any other electrical conductor than the high-voltage conductor and to use the device, in particular the transmission and / or receiving device for their operation.
  • a major advantage of the device according to the invention is that by coupling an energy extraction device to the high-voltage conductor, namely from Finally, energy can be drawn in a particularly simple manner from this and without connection to any other electrical conductor than the high-voltage conductor, which energy can be made available as operating energy to operating components of the device.
  • the energy extraction device is preferably inductively coupled to the high-voltage conductor so that the energy extraction takes place inductively or at least inductively.
  • the energy extraction device comprises a coil equipped with a magnetizable core, which is inductively coupled to the high-voltage conductor.
  • the energy extraction device can advantageously comprise a coreless coil which is inductively coupled to the high-voltage conductor, for example a Rogowski coil.
  • the energy extraction device can advantageously be capacitively coupled to the high-voltage conductor, so that the energy extraction takes place capacitively or at least also capacitively.
  • the energy extraction device can advantageously be galvanically coupled to the high-voltage conductor so that the energy extraction takes place galvanically or at least also galvanically.
  • the transmitting and / or receiving device is preferably inductively, capacitively and / or galvanically coupled to the high-voltage conductor for sending and / or receiving data signals.
  • the device preferably has at least one sensor and preferably forms a sensor device.
  • the device preferably has a transmitting device which feeds sensor measured values in processed and / or unprocessed form as a data signal or in a data signal into the high-voltage conductor.
  • the device can advantageously have at least one actuator and form an actuator device or at least also an actuator device.
  • the device preferably comprises a receiving device which receives control signals which are transmitted via the high-voltage conductor.
  • the actuator is preferably designed to execute control commands contained in the data signals.
  • the device comprises a confirmation device that generates confirmation signals after the control commands have been executed, and the device has a transmission device connected to the confirmation device that feeds the confirmation signals into the high-voltage conductor as data signals .
  • the device can advantageously have a data evaluation device and a receiving device, the receiving device receiving the data signals transmitted via the high-voltage conductor and the data evaluation device being designed to evaluate data contained in the data signals
  • the data can be configuration data, for example, in order to set or configure a sensor of the device.
  • the energy extraction device preferably comprises a housing, for example in the form of an electrically conductive sleeve, which encloses the high-voltage conductor and is electrically insulated from this high-voltage conductor and together with it the high voltage conductor and earth potential forms a capacitive voltage divider.
  • the invention also relates to a high voltage system with a high voltage conductor.
  • the invention provides that the high-voltage system has at least one device, preferably as described above, which is coupled to the high-voltage conductor at a first coupling point and has an energy extraction device that is designed for this purpose, exclusively from the high-voltage conductor and without Connection to another electrical conductor of the high-voltage system than the high-voltage conductor to take operating energy and to make the device, in particular a transmitting and / or receiving device of the device, available for its operation.
  • a second device with a transmitting and / or receiving device for sending and receiving is connected to the high-voltage conductor at a second coupling point remote from the first coupling point / or receiving data signals is connected, which is connected or at least coupled to ground potential.
  • a return device is preferably connected to the high-voltage conductor, which is also connected or at least coupled to ground potential, the first coupling point being between the second and the third coupling point and a closed data signal path being formed through the high-voltage conductor section between the first and third coupling point le, the second device, the return device and the ground section between the connection or coupling point of the return device to earth and the connection or coupling point of the second device to earth is formed.
  • the return device preferably comprises at least one capacitor which is electrically between ground potential and high-voltage conductor.
  • the return device also comprises at least one inductance that forms an oscillating circuit with the capacitor, which does not attenuate signals at the signal frequency of the data signal at all and / or attenuates less than signals at frequencies other than the signal frequency.
  • the high-voltage system has an energy feed device that feeds a higher-frequency energy supply signal into the high-voltage conductor than the network frequency of a power distribution or energy supply network connected to the high-voltage conductor, and the energy extraction device of the first device is designed to respond to the To take herfrequenten energy supply signal energy and make it available as operating energy to the first device.
  • the energy feed device enables data transmission even if the high-voltage conductor is electrically isolated from the energy distribution or energy supply network and does not carry its own network current.
  • a signal block is connected to a fourth coupling point, the second coupling point being between the first and fourth coupling point and wherein the signal block damps a signal flow from the first and / or second device originating data signals.
  • Figure 1 shows an exemplary embodiment of a high-voltage system according to the invention, in which a device with a sensor, a transmitting device and an inductively operating energy extraction device is connected to a high-voltage conductor,
  • FIG. 2 shows an exemplary embodiment of a high-voltage system according to the invention, in which a device with a sensor, a transmitting device and a capacitively operating energy extraction device is connected to a high-voltage conductor,
  • FIG. 3 shows an exemplary embodiment for a high-voltage system according to the invention, in which a device with a sensor, a transmitting device and a galvanically working energy extraction device is connected to a high-voltage conductor,
  • FIG. 4 shows an exemplary embodiment for a high-voltage system according to the invention, in which a device with a receiving device, a data evaluation device, an actuator and an inductively operating energy extraction device is connected to a high-voltage conductor,
  • FIG. 5 shows an exemplary embodiment for a high-voltage system according to the invention, in which a device with a receiving device, a data evaluation device, an actuator, a confirmation device and an inductively operating energy extraction device is connected to a high-voltage conductor
  • FIG. 6 shows an exemplary embodiment of a high-voltage system according to the invention, in which a device with a sensor, a transmitting device and an inductively operating energy extraction device as well as an energy supply device are connected to a high-voltage conductor.
  • FIG. 1 shows an exemplary embodiment of a high-voltage system 10 according to the invention, which is equipped with a high-voltage conductor 20.
  • the high-voltage conductor 20 is connected to an energy distribution or energy supply network (not shown) or forms part of an energy distribution or energy supply network and is traversed by network current I that corresponds to the network frequency (e.g. 50 or 60 Hz) of the power distribution or power supply network.
  • network current I corresponds to the network frequency (e.g. 50 or 60 Hz) of the power distribution or power supply network.
  • a first device 100 is connected, which comprises an energy extraction device 110, a transmission device 120 and a sensor 130.
  • the energy extraction device 110 is inductively connected to the high-voltage conductor 20 by means of a converter 111, preferably a converter with a core or a Rogowski converter, and removes energy from this or from the magnetic field generated by it when current flows, which it enters as operating energy E into the transmitter 120 and feeds the sensor 130 for their operation.
  • a converter 111 preferably a converter with a core or a Rogowski converter
  • the sensor 130 can, for example, be a current measuring device which is inductively operated by means of a current converter 131, preferably a Rogowski converter or a converter with a core the high-voltage conductor 20 is connected and measures the line current I flowing in the high-voltage conductor 20 with the formation of sensor measured values M in the form of current measured values.
  • the measured sensor values M are transmitted to the transmitting device 120, which feeds them into the high-voltage conductor 20 in processed and / or unprocessed form as a data signal D or in a data signal D.
  • the data signal D can be fed in inductively by means of a converter 121, capacitively by means of a capacitor 122 and / or galvanically by means of a conductor 123.
  • the components of the first device 100 are preferably accommodated in a metallic housing 101 which forms a capacity Ce to earth.
  • the housing 101 can be electrically separated from the high-voltage conductor 20 and form a housing-conductor capacitance (not shown further).
  • the housing 101 can be formed, for example, by an electrically conductive sleeve which coaxially surrounds the high-voltage conductor.
  • the high-voltage installation 10 also has a second device 200 which is connected to the high-voltage conductor 20 at a second coupling point 22.
  • the second device 200 is supplied by means of energy taken from the high-voltage conductor and has a transmitting and receiving device 210 which is equipped for sending and receiving data signals D and is coupled to the high-voltage conductor 20 and ground potential GND via a capacitive divider 220 is.
  • the data signals D coupled into the high-voltage conductor 20 by the transmitting device 120 of the first device 100 can thus reach and receive from the first coupling point 21 via the high-voltage conductor 20 to the second coupling point 22 and from there to the transmitting and receiving device 210 of the second device 200 and evaluated.
  • a return device 300 is connected to a third coupling point 23;
  • the closed data signal path thus comprises the high-voltage conductor section between the first coupling point 21 and the third coupling point 23, the return device 300, the earth section between the connection or coupling point of the return device 300 to earth GND and the connection or coupling point of the second device 200 to earth GND .
  • the return device 300 preferably has a capacitor and an inductance, which together form an oscillating circuit that does not attenuate signals with the signal frequency of the data signal D at all or at least less than signals with frequencies other than the signal frequency, for example the network frequency of the power distribution. or power supply network.
  • the signal frequency of the data signals D is preferably in the KHz range
  • a signal block 400 can be seen in FIG. 1, which is connected to the high-voltage conductor 20 at a fourth coupling point 24.
  • the signal block 400 serves to attenuate a signal flow of data signals D from the first and / or second device 100, 200 into distant sections of the high-voltage conductor 20, which are on the right in FIG. 1, in order to avoid interference with other components located there.
  • FIG. 2 shows a second exemplary embodiment for a high-voltage system 10 according to the invention.
  • the energy extraction device 110 of the first device 100 is not inductively connected to the high-voltage conductor 20 by means of a converter 111, but rather capacitively via a capacitor 112, which couples the energy extraction device 110 to the high-voltage conductor 20.
  • the operating energy E that the Energyent Spotifyin device 110 for feeding the transmitting device 120 and the Sensor 130 is required, so it is removed from the high-voltage conductor 20 in a capacitive manner.
  • FIG. 3 shows a third exemplary embodiment of a high-voltage system 10 according to the invention.
  • the energy extraction device 110 of the first device 100 is galvanically connected to the high-voltage conductor 20, via a line 113 that connects the energy extraction device 110 directly connects to the high-voltage conductor 20.
  • the operating energy E which the energy extraction device 110 requires to feed the transmission device 120 and the sensor 130, is thus withdrawn from the high-voltage conductor 20 by galvanic means.
  • FIG. 4 shows a fourth exemplary embodiment for a high-voltage installation 10 according to the invention.
  • the first device 100 has a receiving device 140, a data evaluation device 150 and an actuator 160.
  • the three last-mentioned components 140, 150 and 160 are fed with operating energy E, which the energy extraction device 110 draws inductively from the high-voltage conductor 20 by means of a converter 111; in this regard, reference is made to the statements made above in connection with FIG.
  • the energy extraction device 110 can be coupled capacitively - as shown in FIG. 2 - or galvanically - as shown in FIG. 3 - to the high-voltage conductor 20 for energy extraction; in this regard, the above statements in connection with FIGS. 2 and 3 apply accordingly.
  • the receiving device 140 can be inductively coupled (as shown by way of example in FIG. 4) by means of a converter 121 to the high-voltage conductor 20, as has already been done in connection with FIGS. 1 to 3 above with the transmitting device 120 has been explained.
  • the receiving device 140 can be capacitively - as shown in FIG. 2 - or galvanically - as shown in FIG. 3 - coupled to the high-voltage conductor 20 for energy extraction.
  • the receiving device 140 can thus inductively, capacitively and / or galvanically receive data signals D, for example fed into the high-voltage conductor 20 from the second device 200 at the second coupling point 22, and transmit them to the downstream data evaluation device 150.
  • the data evaluation device 150 is thus able to read out control commands STB contained in the data signal D and to transmit them to the downstream actuator 160 for executing the control commands STB.
  • FIG. 5 shows a fifth exemplary embodiment of a high-voltage system 10 according to the invention.
  • the first device 100 has an energy extraction device 110, a data evaluation device 150, an actuator 160, a transmitting and receiving device 170 and a confirmation device 180.
  • the confirmation device 180 is connected to the actuator 160 and, after successful execution of control commands STB by the actuator 160, transmits confirmation signals BS in the form of or as data signals D via the transmitting and receiving device 170 to the second device 200, so that the latter a successful execution can take note of a previously sent control command STB.
  • the energy extraction device 110 is inductively coupled to the high-voltage conductor 20 by means of a converter 111, as is the case with the exemplary embodiment according to FIGS. 1 and 4.
  • the energy extraction device 110 can be coupled capacitively - as shown in FIG. 2 - or galvanically - as shown in FIG. 3 - to the high-voltage conductor 20 for energy extraction.
  • the above statements apply guides in connection with Figures 2 and 3 accordingly.
  • the transmitting and receiving device 170 can be coupled capacitively - as shown in FIG. 2 - or galvanically - as shown in FIG. 3 - to the high-voltage conductor 20.
  • FIG. 6 shows a sixth exemplary embodiment of a high-voltage system 10 according to the invention.
  • an energy feed device 500 is provided in addition to the components according to FIG. 1 and is connected to the high-voltage conductor 20 at a fifth coupling point 25.
  • the energy feed device 500 generates an energy supply signal EVS, which is preferably higher frequency than the network frequency of the energy distribution or energy supply network connected to the high-voltage conductor 20 and is, for example, in the KHz range.
  • the energy supply signal EVS can be generated in the transmitting / receiving device 210 and fed into the high-voltage line 20 via the capacitive voltage divider 220.
  • the data signal D STB
  • STB can - alternatively or additionally - also be used as the energy supply signal EVS.
  • the energy extraction device 110 of the first device 100 is preferably designed in such a way that it can process the higher-frequency energy supply signal EVS and extract energy from it, which it can supply as operating energy E to the operating components, for example the transmission device 120 and the sensor 130 (as shown in FIG ) and / or the receiving device 140, the data evaluation device 150, the actuator 160, the transmitting and receiving device 170 and / or the confirmation device 180 (as shown in FIGS. 4 and 5).
  • the energy feed device 500 also enables data transmission when the high-voltage conductor 20 is electrically separated from the energy distribution or energy supply network and does not carry any network current I.
  • a device which is structurally identical to the first device 100 according to FIGS. 4 and 5 can also be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

L'invention concerne un dispositif (100) destiné à être connecté à un conducteur haute tension (20), le dispositif comprenant un dispositif d'émission et/ou de réception (120, 140, 170) destiné à émettre et/ou recevoir des signaux de données (D), qui sont envoyés vers ou depuis un ou plusieurs autres dispositifs par l'intermédiaire du conducteur haute tension (20). Selon l'invention, le dispositif (100) comporte un dispositif de prélèvement d'énergie (110), qui peut être couplé au conducteur haute tension (20) et qui est conçu pour prélever de l'énergie de fonctionnement (E) uniquement à partir du conducteur haute tension sans être connecté un conducteur électrique quelconque autre que le conducteur haute tension (20) et pour fournir l'énergie de fonctionnement au dispositif (100), en particulier au dispositif d'émission et/ou de réception (120, 140, 170) pour son fonctionnement.
EP19817598.6A 2019-11-20 2019-11-20 Système haute tension avec conducteur haute tension et dispositif de connexion à un conducteur haute tension Pending EP4042539A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/081973 WO2021098961A1 (fr) 2019-11-20 2019-11-20 Système haute tension avec conducteur haute tension et dispositif de connexion à un conducteur haute tension

Publications (1)

Publication Number Publication Date
EP4042539A1 true EP4042539A1 (fr) 2022-08-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19817598.6A Pending EP4042539A1 (fr) 2019-11-20 2019-11-20 Système haute tension avec conducteur haute tension et dispositif de connexion à un conducteur haute tension

Country Status (2)

Country Link
EP (1) EP4042539A1 (fr)
WO (1) WO2021098961A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7804280B2 (en) * 2006-11-02 2010-09-28 Current Technologies, Llc Method and system for providing power factor correction in a power distribution system
US8159385B2 (en) * 2010-02-04 2012-04-17 Sensis Corporation Conductive line communication apparatus and conductive line radar system and method
US20130054162A1 (en) * 2011-08-31 2013-02-28 Tollgrade Communications, Inc. Methods and apparatus for determining conditions of power lines
DE102012211916A1 (de) 2012-07-09 2014-01-09 Siemens Aktiengesellschaft Verfahren und Anordnung zur Übertragung von Daten über einen elektrischen Leiter eines Stromnetzes
US9217762B2 (en) * 2014-02-07 2015-12-22 Smart Wires Inc. Detection of geomagnetically-induced currents with power line-mounted devices
US11032819B2 (en) * 2016-09-15 2021-06-08 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having a control channel reference signal

Also Published As

Publication number Publication date
WO2021098961A1 (fr) 2021-05-27

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