EP4200553A1 - Unité de délimitation, système de canalisation et procédé pour faire fonctionner un système de canalisation - Google Patents

Unité de délimitation, système de canalisation et procédé pour faire fonctionner un système de canalisation

Info

Publication number
EP4200553A1
EP4200553A1 EP21755757.8A EP21755757A EP4200553A1 EP 4200553 A1 EP4200553 A1 EP 4200553A1 EP 21755757 A EP21755757 A EP 21755757A EP 4200553 A1 EP4200553 A1 EP 4200553A1
Authority
EP
European Patent Office
Prior art keywords
unit
delimitation
pipe section
monitoring station
delimitation unit
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
EP21755757.8A
Other languages
German (de)
English (en)
Inventor
Manfred KIENLEIN
Tobias Braun
Jens Ehrler
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.)
Dehn SE and Co KG
Original Assignee
Dehn and Soehne 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 Dehn and Soehne GmbH and Co KG filed Critical Dehn and Soehne GmbH and Co KG
Publication of EP4200553A1 publication Critical patent/EP4200553A1/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/04—Controlling or regulating desired parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/08—Protection of installations or persons from the effects of high voltage induced in the pipe-line
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
    • C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
    • C23F2213/32—Pipes

Definitions

  • the invention relates to a delimiting unit for a pipe section, in particular a pipe section of a pipeline, a pipeline system with a pipeline and a method for operating a pipeline system with a pipe section.
  • Isolating units for pipelines are known and are required to derive currents coupled into the pipeline to the surrounding soil via earth electrodes specially installed for this purpose, as well as the voltage between the pipeline and nearby electrically conductive structures for the purpose of personal and property protection to limit.
  • a delimitation unit for a pipe section in particular a pipe section of a pipeline, with at least one protection component, a control unit for controlling the protection component and a communication unit for communication with a remote monitoring station.
  • the communication unit is set up to receive control commands from the monitoring station.
  • the control unit is arranged to operate the protection components in different operating modes to keep the tension of the pipe section below at least one limit value and to change the operating modes based on control commands received by the communication unit.
  • control unit can receive control commands from a monitoring station by means of the communication unit, the operating modes of the delimitation unit can be adjusted remotely. In this way, real conditions at the location of the delimitation unit can be taken into account and changes in the environment can also be taken into account.
  • a delimitation unit is, for example, an overvoltage protection device that limits transient overvoltages, temporary overvoltages and/or stationary overvoltages to voltages below the respective limit values.
  • a delimitation unit does not feed current into the pipe section. This differs from cathodic corrosion protection systems, which are also used for individual pipe sections of a pipeline.
  • the communication unit can also be part of the control unit.
  • the voltage of the pipe section is the voltage relative to dead earth, i.e. in relation to the delimitation unit thus the voltage between the earth connection and the pipeline connection.
  • the delimitation unit for diverting overvoltages.
  • the delimitation unit according to the invention is set up to divert overvoltages.
  • one of the at least one protective component is power electronics and/or one of the at least one protective component is a spark gap and/or a varistor, as a result of which various overvoltages can be reliably limited.
  • the power electronics are designed to limit temporary and/or stationary overvoltages and/or the spark gap and/or a varistor to limit transient overvoltages.
  • the control unit is set up to determine measured values, in particular the voltage of the pipe section with respect to earth, in particular an earth electrode, the voltage of the pipe section with respect to a reference electrode and/or the current strength of a leakage current, and the at least one protective component depending on the to control measured values. In this way, the delimitation unit can react quickly and differentiated to different situations.
  • the earth electrode is, for example, a device placed in the ground, mostly made of conductive metal, which has the task of actively participating in current conduction.
  • the delimitation unit directs the current flow from the pipeline via the earth electrode into the surrounding soil.
  • a reference electrode is a device used to obtain an accurate determination of the local ground potential. No leakage current is conducted via a reference electrode.
  • a reference electrode can be a special metal part, but can also be a liquid electrode, e.g. made of copper/copper sulphate solution.
  • control unit is set up to determine the measured values using a sampling rate, with the sampling rate being defined by the operating mode. In this way, the required energy of the delimitation unit can be adjusted.
  • control device determines the measured value or measured values over a predetermined period of time and transmits the measured value or measured values to the monitoring station at the end of the period. This means that the measurement data is transmitted cyclically.
  • the time period can be one minute, one hour, one day, one week and/or one month.
  • control unit is set up to transmit the measured values using the communication unit, in particular to the monitoring station and/or a
  • At least one of the operating modes includes a schedule in which different limit values and/or sampling rates are assigned to different times, and/or the at least one control command includes a schedule, at least in part, whereby recurring but time-limited loads on the pipe section can be countered in a targeted manner .
  • the at least one limit value can include at least one value for transient overvoltages, at least one value for temporary overvoltages and/or at least one value for stationary overvoltages.
  • the limit value can also include several values for transient, temporary or stationary overvoltages, for example three values for temporary overvoltages of different durations.
  • the at least one limit value is defined by the operating mode and/or the at least one control command at least partially includes the at least one limit value.
  • control unit is set up to operate the protection components in at least three states, in particular an active state in which the full functionality of the delimitation unit is available, a standby state in which the protection components are only operated to prevent temporary and transient overvoltages , and a passive state in which the protection components are disabled.
  • the delimitation unit can enable maintenance work or measurements to be carried out on the pipe section.
  • the delimitation unit can take measurements in the passive state, i.e. the delimitation unit is not switched off in the passive state.
  • the communication unit can be a communication unit for mobile radio, for example 4G or 5G mobile radio, for a low-energy long-distance network, in particular narrowband loT, and/or for a remote control system, which ensures secure communication.
  • the object is also achieved by a pipeline system having a pipeline with at least one pipe section, at least one delimitation unit as described above, which is electrically connected to a pipe section of the pipeline, and a monitoring station remote from the delimitation unit, which is designed to transmit control commands to the at least to transmit a delimitation unit.
  • the monitoring station is set up in particular to receive measured values from the at least one delimitation unit.
  • the pipeline can have at least one further pipe section and the pipeline monitoring system can have at least one further delimitation unit, the delimitation units each being assigned to one of the pipe sections and being electrically connected to it. It is also conceivable that two or more delimitation units are assigned to a pipe section.
  • the pipeline system has an additional safety device, in particular a contactor, a calculation device, in particular a server, and/or the pipeline system has at least one cathodic corrosion protection system which is electrically connected to a pipe section of the pipeline, in particular also to the delimitation unit is electrically connected.
  • the security or service life of the pipeline system can be further increased and/or the required computing power can be kept available in a decentralized manner.
  • the additional security device can be separate from the demarcation unit.
  • the safety device has an electrical bypass that runs parallel to the delimitation unit and that connects the pipe section and the earth electrode.
  • the contactor which can interrupt the bypass or switch it on, can be provided in the bypass.
  • the server can be a cloud server. Furthermore, the object is achieved by a method for operating a pipeline system, in particular as described above, with a pipe section and a delimitation unit, the method having the following steps: a) transmission of at least one control command from a remote monitoring station to the delimitation unit, and b) Operating at least one protection component of the delimitation unit by a control unit of the delimitation unit in an operating mode that is determined based on the control command.
  • the components of the delimitation unit and/or the pipeline system are designed and set up to carry out the respective steps of the method.
  • the method can have the following steps: a) Determination of at least one measured value by the delimitation unit, in particular a measured value of the voltage of the pipe section with respect to earth, the voltage of the pipe section with respect to a reference electrode and /or the current strength of a leakage current, b) transmission of the measured value to the monitoring station and/or the calculation device by the delimitation unit, c) evaluation of the measured value and determination of a control command for the at least one delimitation unit based on the measured value by the monitoring station and/or the calculation device, and d) transmission of the control command from the monitoring station and/or the calculation device to the at least one delimitation unit.
  • the monitoring station uses the transmitted measured value to determine a load status of the pipe section and/or the maintenance status of the at least one delimitation unit, in particular the status of an earth electrode of the delimitation unit. In this way, necessary maintenance work can be carried out in good time.
  • the monitoring station and/or the calculation device can use the at least one measured value to estimate at least one expected future value and use the future value to determine an adjusted limit value, an adjusted schedule, an adjusted sampling rate or an adjusted state, in particular the monitoring station creates and transmits to the delimitation unit the control command that takes into account the adjusted limit value, the adjusted schedule or the adjusted state.
  • the delimitation unit determines at least one measured value, in particular a measured value of the voltage of the pipe section with respect to earth, the voltage of the pipe section with respect to a reference electrode and/or the current strength of a leakage current, and the monitoring station and/or the delimitation unit activates the additional safety device, in particular if the Measured value exceeds a safety threshold, whereby safety is further increased.
  • the contactor is switched so that the bypass becomes conductive and earths the pipe section directly via the earth electrode.
  • FIG. 1 shows a pipeline system according to the invention with several delimitation units according to the invention
  • FIG. 2 shows a detailed view of a delimitation unit according to FIG. 1, and
  • FIG. 3 shows a flow chart of a method according to the invention.
  • a pipeline system 10 is shown schematically in FIG.
  • the pipeline system has a pipeline 12, a monitoring station 14, a calculation device 16, a number of delimitation units 18, a number of cathodic corrosion protection systems 20 (KKS) and at least one additional safety device 21 with a contactor 22.
  • the pipeline 12 has a plurality of pipe sections 24 which are each connected to one another by an insulating piece 26 .
  • the monitoring station 14 is provided at a distance from the pipeline 12 and has at least one control computer 28 and a communication module 30 .
  • the monitoring station 14 is, for example, a control room for pipeline control, for example a control room of the operator of the pipeline 12.
  • the computing device 16 is a computer, for example a server, which is also decentralized, i. H. in a cloud.
  • the calculation device 16 is designed separately from the monitoring station 14 . However, it can also be part of the monitoring station 14, for example the control computer 28, as shown in broken lines in FIG.
  • Two delimiting units 18 each are assigned to one of the pipe sections 24 and are electrically connected to it.
  • the KKS 20 and the additional safety devices 21 are also assigned to one of the pipe sections 24 of the pipeline 12 .
  • the KKS 20 are connected to the respective pipe section 24 in a manner known per se to the pipe section 24 for corrosion protection.
  • the safety devices 21 are electrically connected to the respective KKS 20 or the respective delimitation unit 18 of the associated pipe section 24 .
  • the additional safety device 21 has, for example, an electrical bypass 23 which runs parallel to the delimitation unit 18 and which connects the pipe section 24 and the earth electrode 37 .
  • the contactor 22 is provided in the bypass 23 and can interrupt the bypass 23 or switch it on.
  • the pipe section 24 can be electrically connected directly to the earth electrode 37 via the bypass 23 - given the appropriate position of the contactor 22 .
  • the KKS 20 can also be electrically connected to the delimiting unit 18 of the respective pipe section 24 .
  • a delimitation unit 18 is shown schematically as an example.
  • the delimitation unit 18 has a housing 32 and an earth electrode 37 . Furthermore, the delimitation unit 18 can have a reference electrode 34 and/or an antenna 36 .
  • the housing 32 has, for example, a pipeline connection 38 and a ground connection 40 and can have a reference electrode connection 42 and/or an antenna connection 44 .
  • the delimitation unit 18 has a plurality of protective components 46 , a control unit 48 and a communication unit 50 within the housing 32 .
  • protective components 46 are power electronics 52 and a spark gap 54 and/or a varistor 55.
  • the power electronics 52 are designed to limit temporary and/or stationary overvoltages and the spark gap 54 and/or the varistor 55 to limit transient overvoltages.
  • the protective components 46 i. H. the power electronics 52 and the spark gap 54 or the varistor 55 are electrically connected to the control unit 48 for control purposes.
  • the delimitation unit 18 is electrically connected to the pipeline by means of the pipeline connection 38 and grounded by means of the grounding connection 40 .
  • the protective components 46 and the control unit 48 are connected in parallel and are therefore each provided between the pipeline connection 38 and the grounding connection 40 .
  • the delimitation unit 18 is grounded via the ground electrode 37 which is connected to the ground connection 40 .
  • the earth electrode 37 is, for example, a rod made of conductive metal that is placed in the ground and is intended to actively participate in the conduction of electricity.
  • the reference electrode 34 is intended to determine the local ground potential. This means that no leakage current is passed through them.
  • the reference electrode 34 can be a metal part, but it can also be a liquid electrode made from a copper/copper sulfate solution.
  • a reference electrode 34 is present, it is connected to the control unit 48 via the reference electrode connection 42 .
  • the communication unit 50 is electrically connected to the control unit 48 and can in particular be part of the control unit 48 .
  • the communication unit 50 can be electrically connected to the antenna 36, for example via the antenna connection 44.
  • the antenna 36 it is also conceivable for the antenna 36 to be embodied within the housing 32, for example on a printed circuit board such as the printed circuit board of the control unit 48.
  • the communication unit 50 is a communication unit for mobile radio, for example 4G or 5G mobile radio, for a low-power wide-area network (also called low-power wide-area network, LPWAN or LPN), in particular narrowband loT, and/or for a telecontrol system.
  • a low-power wide-area network also called low-power wide-area network, LPWAN or LPN
  • narrowband loT narrowband loT
  • the communication module 30 of the monitoring station 14 is also a communication unit for mobile radio, for a low-energy long-distance network and/or for a telecontrol system.
  • the control unit 48 can be connected electrically to the KKS 20 and/or the corresponding contactor 22 of the associated pipe section 24 via suitable further connections 56 for control purposes.
  • the delimitation unit 18, more precisely the control unit 48 is set up to determine measured values, for example the voltage of the pipe section 24 with respect to earth, ie the earth electrode 37, the voltage of the pipe section 24 with respect to the reference electrode 34 and/or the current strength of a leakage current from pipe section 24 to earth electrode 37.
  • the measured values can be determined by the control unit 48 with a sampling rate and stored in the control unit 48 .
  • the measurement data does not include, for example, the current that is introduced into the pipe section 24 by the KKS 20 .
  • the control unit 48 is set up to operate and therefore to control the protective components 46, that is to say the power electronics 52 and the spark gap 54 or the varistor 55.
  • At least one limit value is stored in the control unit 48, which includes a value for transient overvoltages, a value for temporary overvoltages and a value for stationary overvoltages .
  • overvoltages can also be defined within a type of overvoltage depending on the duration of a current surge. For example, temporary overvoltages are divided into areas with three different durations, with a different value being stored as the limit value for each of these areas.
  • control unit 48 is set up to deactivate individual, several or all protective components 46 .
  • control unit can activate all protection components 46 (active state), so that the full functionality of the delimitation unit 18 is available.
  • the control unit 48 can also operate the protective components 46 only to prevent temporary and transient overvoltages, for example by controlling the power electronics 52 and the spark gap 54 or the varistor 55 in such a way that only the limit values for temporary and transient overvoltages are monitored (standby state).
  • control unit 48 can run in a passive state in which the protection components 46 are switched off. In the passive state, however, measurements by the control unit 48 are still possible. That is, the demarcation unit 18 is not completely turned off.
  • controller 48 may include one or more schedules that include specific times within a week, month, year, or other timing, different thresholds, sample rates, or states for measurements.
  • the control unit 48 can thus operate the protection components 46 with different limit values and/or sample rates, based on different schedules and in different states, so that different operating modes are possible.
  • An operating mode includes, for example, a threshold, a schedule, a sampling rate, and/or a condition.
  • the individual components in particular the monitoring station 14, the delimitation unit 18, in particular the communication unit 50 and the control unit 48, carry out the method illustrated in FIG.
  • the individual components in particular the monitoring station 14, the delimitation unit 18, the control unit 48 and the communication unit 50 are of course set up to carry out the steps of the method.
  • step S1 the delimitation unit 18, more precisely the control unit 48, determines a measured value.
  • the control unit 48 then transmits the measured value using the communication unit 50 and the antenna 36.
  • the transmission can take place directly after the measurement. However, it is also conceivable that measurements are taken at intervals of the sampling rate over a predetermined period of time and the measurements are transmitted collectively. This cyclic transmission of measurement data saves energy.
  • the measured values are transmitted by means of the communication unit via a mobile radio network, a low-energy long-distance network or a telecontrol system.
  • FIG. 1 only shows the case of wireless transmission by means of mobile radio or a Low-energy long-distance network (each symbolized by the transmission tower 58) shown symbolically.
  • the measured values are received by the monitoring station and/or the calculation device 16 (step S3) and a control command is generated based on the measured values (step S4).
  • the control command contains, for example, an instruction to the control unit 48 to change the operating mode, i.e. a changed limit value or values of the limit value, a changed sampling rate, a changed schedule and/or a changed state for operating the protection components 46.
  • control command is then transmitted to the delimitation unit 18 in step S5.
  • the communication unit 50 and the communication module 30 are used again, which transmit the control commands accordingly.
  • step S6 the control unit 48 evaluates the control command and, if necessary, changes the operating mode of the protection components 46 based on the contents of the received control command. In other words, the control unit 48 now operates the protection components 46 in an operating mode that is determined on the basis of the control command.
  • control unit 48 also controls the protective components 46 independently depending on the measured value, i. H. without and before a control command was transmitted, for example when a limit value for an overvoltage is exceeded (step S7).
  • the monitoring station 14 and/or the delimitation unit 18 can activate the additional safety device 21, such as the contactor 22, if the measured value exceeds a safety threshold value.
  • the safety threshold can differ from the limit value.
  • the delimitation unit 18 switches the contactor 22 independently, e.g. in the event of a defect in the delimitation unit 18.
  • the monitoring station 14 can send a command to the delimitation unit 18 to activate or switch the contactor 22, whereupon the delimitation unit 18 switches the contactor 22 accordingly.
  • step S4 the control command can be determined by the monitoring station 14 and/or the calculation device 16 in various ways.
  • step B1 the monitoring station 14 determines a maintenance status of the delimitation unit 18, in particular a status of the earth electrode 37.
  • the monitoring station 14 determines an operating mode of the delimitation unit 18 that is optimally adapted to the maintenance status (step B2) and then determines a control command that causes the control unit 48 to change the operation mode to the previously determined optimal operation mode (step B3).
  • the monitoring station 14 can initiate maintenance of the corresponding delimitation unit 18 if the load condition determined in step B1 requires maintenance (step B4).
  • the monitoring station 14 can also use the measured values to determine the load status of the pipe section 24 assigned to the corresponding delimitation unit 18 (step P1) and determine modified limit values based on the load status (i.e. the voltages or currents that occur) (step P2).
  • the monitoring station 14 can access the calculation device 16 .
  • the calculation device 16 can receive the measured values directly from the delimitation unit 18 and transmit changed limit values to the monitoring station 14 according to stored algorithms.
  • step P3 the monitoring station 14 uses the changed limit values to determine a control command.
  • control commands can be transmitted to the KKS 20 by means of the monitoring station 14 or by the delimitation unit 18 itself in order to achieve improved control of the KKS 20 .
  • the calculation device 16 can receive the measured values.
  • the monitoring station 14 forwards the measured values to the calculation device 16 .
  • the calculation device 16 determines in step Z1, based on the current measured values of the same and/or another delimitation unit 18 and optionally measured values from the past, expected future values of the corresponding measured value, for example a future expected voltage of the pipe section 24 compared to the reference electrode 34 or the earth and/or a current strength of the leakage current.
  • the past measured values can be measured values from the immediate past, but also measured values that were measured at the same point in time in a schedule, for example on a specific day of the week at a specific time.
  • the calculation device 16 determines in step Z2 an adjusted limit value, an adjusted schedule, an adjusted sampling rate or an adjusted status and transmits this to the monitoring station 14.
  • the monitoring station 14 determines a corresponding control command in step Z3.
  • the calculation device 16 carries out a simulation based on the measured values obtained. In this way it is possible for the operating mode of the delimitation unit 18 to be adapted to the actual conditions on site and not just based on estimated values.
  • the monitoring station 14 can create a control command that is not based on the measured values received. If, for example, maintenance of certain pipe sections 24 is to be carried out, the monitoring station 14 can send a control command to the send corresponding delimitation unit 18 to adjust the operating mode accordingly.
  • the monitoring station 14 or the computing device 16 can set up a schedule which, for example, reduces the sampling rate for weekend days, which can save energy.
  • the measured values transmitted enable a comparison between simulation results and real system data, which can also be used to improve or calibrate simulations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)

Abstract

L'invention se rapporte à une unité de délimitation (18) pour une section de tuyau (24), en particulier une section de tuyau (24) d'une canalisation (12), comprenant au moins un élément de protection (46), une unité de commande (48) pour commander l'élément de protection (46) et une unité de communication (50) pour communiquer avec une station de surveillance à distance (14). L'unité de communication (50) est configurée pour recevoir au moins une instruction de commande provenant de la station de surveillance (14). L'unité de commande (48) est configurée pour faire fonctionner les éléments de protection (46) dans divers modes de fonctionnement afin de maintenir la tension de la section de tuyau (24) au-dessous d'au moins une valeur de seuil et pour modifier les modes de fonctionnement sur la base de l'instruction de commande reçue par l'unité de communication (50). L'invention se rapporte en outre à un système de canalisation (10) et à un système permettant de faire fonctionner le système de canalisation (10).
EP21755757.8A 2020-08-21 2021-08-05 Unité de délimitation, système de canalisation et procédé pour faire fonctionner un système de canalisation Pending EP4200553A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020121949.0A DE102020121949A1 (de) 2020-08-21 2020-08-21 Abgrenzeinheit, Pipelinesystem sowie Verfahren zum Betreiben eines Pipelinesystems
PCT/EP2021/071930 WO2022037964A1 (fr) 2020-08-21 2021-08-05 Unité de délimitation, système de canalisation et procédé pour faire fonctionner un système de canalisation

Publications (1)

Publication Number Publication Date
EP4200553A1 true EP4200553A1 (fr) 2023-06-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21755757.8A Pending EP4200553A1 (fr) 2020-08-21 2021-08-05 Unité de délimitation, système de canalisation et procédé pour faire fonctionner un système de canalisation

Country Status (4)

Country Link
US (1) US20240052979A1 (fr)
EP (1) EP4200553A1 (fr)
DE (1) DE102020121949A1 (fr)
WO (1) WO2022037964A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022109931A1 (de) 2022-04-25 2023-10-26 Dehn Se Schutzsystem für Rohrleitungen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2759512B1 (fr) * 1997-02-11 1999-06-04 Jean Marc Vernet Procede et dispositif de telesurveillance de postes de drainage, ou de drainage de courants telesurveille, fonctionnant sur ouvrage metallique soumis a l'influence de courants vagabons
EP1152235A1 (fr) * 2000-05-04 2001-11-07 Ionpro N.V. Système pour mesurer continuellement dans le temps et dans l'espace l'état de corrosion de structures métalliques enterrées
WO2009019717A1 (fr) * 2007-08-07 2009-02-12 Icsa India Limited Système de protection cathodique intelligent (icap)
GB2518191B (en) * 2013-09-12 2017-08-02 Advantica Intellectual Property Ltd Survey device and method of surveying
CN104651855B (zh) * 2015-03-06 2017-07-18 上海道盾科技股份有限公司 一种智能测试桩及其测控方法
DE102017113633A1 (de) 2017-06-21 2018-12-27 Steffel Kks Gmbh Verfahren zur Überwachung eines elektrisch leitfähigen und durch kathodischen Korrosionsschutz geschützten Objekts

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Publication number Publication date
WO2022037964A1 (fr) 2022-02-24
US20240052979A1 (en) 2024-02-15
DE102020121949A1 (de) 2022-02-24

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