WO2012143061A1 - Contrôle d'une représentation graphique d'un réseau de distribution d'énergie électrique - Google Patents

Contrôle d'une représentation graphique d'un réseau de distribution d'énergie électrique Download PDF

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Publication number
WO2012143061A1
WO2012143061A1 PCT/EP2011/056458 EP2011056458W WO2012143061A1 WO 2012143061 A1 WO2012143061 A1 WO 2012143061A1 EP 2011056458 W EP2011056458 W EP 2011056458W WO 2012143061 A1 WO2012143061 A1 WO 2012143061A1
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WO
WIPO (PCT)
Prior art keywords
information
representation
objects
supply network
topology
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.)
Ceased
Application number
PCT/EP2011/056458
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German (de)
English (en)
Inventor
Andreas Hinkelmann
Hans-Joachim Diehl
Sonja SANDER
Claus KÜHNER
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 AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 AG, Siemens Corp filed Critical Siemens AG
Priority to PCT/EP2011/056458 priority Critical patent/WO2012143061A1/fr
Publication of WO2012143061A1 publication Critical patent/WO2012143061A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/42—Document-oriented image-based pattern recognition based on the type of document
    • G06V30/422—Technical drawings; Geographical maps

Definitions

  • the invention relates to a method for checking representation information indicating a graphic representation of an electrical energy supply network by means of a data processing device and to a data processing device with which such a method is carried out.
  • So-called network control centers are used to control and monitor electrical energy supply networks.
  • the network control centers are supplied with information about the state of the energy supply network.
  • information may be, for example measurements of currents, voltages and power, with sensors (eg transducers) tapped from the power grid and provided special in the vicinity of the primary components of the energy supply network measuring equipment (eg control center equipment, protective devices or so-called Remote Terminal Units - RTU).
  • sensors eg transducers
  • RTU Remote Terminal Unit
  • the state information and the information derived will be the operator of the network control center via antecedent ⁇ directions shown (eg, large-screen monitors, surface projections), so that the operating personnel necessary Steuerhand- can make any necessary payments, as control commands from the control center to special near the power supply ⁇ network provided control devices are transmitted in order to bring about a desired change of state there.
  • Such control commands may, for example, cause the opening or closing of switches or the insertion of active line filters.
  • warranty th is a graphical representation of the structure of Ener ⁇ gieppsnetzes, for example a so-called network diagram, actually present in the power supply system primary components (such as bus bars, wires, switches, transformers, generators and inverters) and their links, so the existing between these primary components electrical connections, reflects, otherwise the operator an incorrect impression about the state of the power grid can be generated and in the worst most cases incorrect control actions occur, which can lead to disturbances in the operation of the power supply network ⁇ .
  • primary components such as bus bars, wires, switches, transformers, generators and inverters
  • an engineering database of the control software graphical representation of the power supply system (hereinafter referred to as a representation of information) indicating a structure and a topology of the Energyversor ⁇ supply network in a graphical way, of the actual structure of the energy Supply network deviates.
  • This can be in a different type used in the control software graphics data format (eg car ⁇ CAD) occur for example in the transfer of representation of information between different versions of tax software or data import of representation information from a third party system, such as a geographical information system.
  • a representation information with the graphical representation of the network structure usually there is a topology information, an indication of the structure of the power grid in an object-oriented format
  • CIM Common Information Model
  • the invention is therefore based on the object of specifying a possi ⁇ ability with which a review of the representation information with high reliability and low time and cost can be performed.
  • a method for checking a representation information indicating a graphic representation of an electrical energy supply network by means of a data processing device in which topology information is provided in a memory area of the data processing device an indication of the structure of the energy supply network in the form of an object-oriented model description, in the primary components of the power supply network are given by corre ⁇ chende objects of the model description, and in a further memory area of the data processing device, the representation information is provided, an indication of the structure of the power grid in graphical form includes, in which the individual primary components of the energy supply network are each assigned graphic object representations.
  • deviations between the representation information and the topology information are found by comparing the graphic object representations contained in the representation information and the respective connections between them with the objects contained in the topology information and between them existing respective links; Information about the deviations found is stored as representation disparity information and the
  • the particular advantage of the process of loading the invention is the fact that formation through the automated comparison between the representation of information and the Topologiein- consuming manual verification is unnecessary, so that on the one hand are errors in the manual review of out ⁇ closed and also time and cost savings can.
  • An advantageous embodiment of the method provides that are assigned to the comparison of the representation information with the topology information on the one hand the graphical object representations contained in the representation of information their corresponding objects in the topology information and not ⁇ executable mappings information on the question graphic Object representations are stored in the representation representation information, and on the other hand the objects contained in the topology information their corresponding representation information contained in the graphical representations of objects are assigned and stored in unworkable assignments information about the objects in question in the representation of disparity information.
  • the respective existing between the individual graphical object representations connections then be examined whether they exist corresponding Ver ⁇ knotting between the respective graphical object representations associated objects, and information about such links between graphical object representations in the Re refineationsunstimmtechniksinformation tillspei- chert, which investigated no corresponding linking zugeord ⁇ Neten objects exist, and on the other hand, the respective existing between the individual objects links to determine whether they exist corresponding connections between the assigned to the respective objects graphical object representations, and information on such links between objects in the Re refineationsunstimmig- keitsinformation stored for which there is no corresponding connection of associated graphical object representations.
  • a further advantageous embodiment of the invention shown SEN procedure provides that the topology information is examined for inconsistencies by the links of described within the topology information objects for inadmissible or missing links are checked and information about and recognized invalid or missing encryption knots are stored in the representation of disparity information.
  • the reliability in the verification of the representation information can be increased even further, since inconsistencies in the topology information can also be detected by the additional checking of the topology information.
  • the individual objects of the topology information are linkage points associated with that indicate at which points the question ⁇ union objects can be connected to other objects, and the tie points are assigned property values, which is a kind of possible linkages and / or specify technical properties of the primary components of the power supply network corresponding to the objects.
  • the Un ⁇ ter suchung the topology information such links between two objects are detected as inadmissible, in which connection points are connected with conflicting property values and recognize these links as missing, in which connection points are connected to any other object. This makes it possible to carry out the verification of the topology information in a simple and reliable manner.
  • a further advantageous embodiment of the invention shown SEN method is that sunstimmtechniksinformation an automatic or manual correction of the set ⁇ fundenen disagreement is caused on the basis of Restageation- means of the data processing device.
  • an automatic correction can be performed by the data processing device.
  • the engineering staff By displaying the representation of disparity information, the engineering staff will also be able to offset to make a manual correction.
  • one or more possibilities for correction can be proposed by the data processing device so that an operator of the data processing device can correct the discrepancy by selecting a correction option.
  • the data processing device detects a user selection of that part of the representation information that is to be subjected to a check by the data processing device and limits the checking of the representation information to the selected part.
  • the operator of the data processing device can set the relevant part of the representation information to be examined in advance of the check.
  • the topology information and the representation information are stored in a database of a network control center installation and used to control and monitor the electrical power supply network.
  • a verarbei ⁇ processing device for checking a graphical representa- tion of an electrical power supply network with a
  • Figure 1 is a schematic representation of a control workstation system for controlling and Moni ⁇ monitoring of an electrical power supply network
  • FIG. 2 shows a schematic process flow chart for explaining the checking of a representation information and a topology information
  • FIG. 3 shows an exemplary embodiment of topology information
  • FIG. 4 shows a representation information representing a correct reproduction of the topology information according to FIG. 3;
  • Figure 5 is a representation of information representing a first embodiment of an error ⁇ adhere reproduction of Topologieinformati- on Figure 3;
  • FIG. 6 shows an assignment scheme for explaining the
  • Figure 7 is a view of a graphical output of
  • Figure 8 is a representation of information representing a second embodiment of an error ⁇ adhere reproduction of Topologieinformati- on Figure 3;
  • FIG. 9 shows an allocation scheme for explaining the
  • Figure 10 is a view of a graphical output of
  • FIG 1 shows a schematic view of a - merely exemplary indicated - electrical power supply ⁇ network 10 for transmitting electrical energy.
  • the energy ⁇ supply system 10 includes primary components such as busbars, cables, switches, transformers, reindeer generators and inverters, which are connected in a certain manner. With the power supply network 10 are in not shown in Figure 1 manner measuring devices IIa in combination.
  • the measuring devices IIa and the controllers IIb are connected to a communication network 12, which in turn is connected to a network control center 13 for monitoring and controlling the electrical power supply network 10.
  • the shown in Figure 1 annular communication network 12 is merely as a way of the communication link between the measurement devices IIa and IIb the control devices on the one hand and the network control center 13 on the other hand sucse ⁇ hen. Instead, for example, a communication ⁇ bus, a star-shaped communication network or a Hardwired with point-to-point connections be provided.
  • the network control center 13 includes a server device 14 in which the you need in order to operate the power supply system ⁇ th information (for example, the state information and the above-mentioned information derived) are stored in the form of data in different formats.
  • ⁇ th information for example, the state information and the above-mentioned information derived
  • the server device 14 can be accessed by means of workstations 15 ⁇ .
  • the workstations 15 illustrate the working ⁇ places of the operating personnel of the network control center and thus form the interface between the human and the system.
  • a complex control software of the control center takes place that performs the Pro ⁇ processes for controlling and monitoring of the power supply ⁇ network.
  • work plans are displayed with the workstations, which give the structure of the power supply network 10 in graphical form ⁇ .
  • the state of the power supply system may also be displayed, for example, can positions of switches by corresponding switching symbols and Lastflüs ⁇ se in the energy supply network 10 by different color environments of the individual network components depicted and measuring ⁇ values are displayed.
  • From the operator of the network control center can also be made directly on the network control actions are triggered by the control commands, which are again ⁇ transmitted to the corresponding control units IIb.
  • the respective network plans are kept by the control software as representation information, which are stored for example on the server device 14 and the workstations are provided.
  • a topology information is managed by the control software, the gieddedsnetzes 10 in object oriented form in ⁇ play, according to the specified by the standard IEC 61970 CIM model, indicating the structure of the energy.
  • the network control center 13 further comprises an associated temporary or DAU ⁇ nently with the server device 14 Engineering calculator 16, which is adapted for start-up, diagnostic and maintenance of the control software.
  • the method described below for checking a graphical representation of a power supply network is therefore geared to finding discrepancies between the representation information used for the representation of the networks and the actual structure of the energy supply network 10.
  • the method uses the topology information, with which the structure of the power supply network is described in an object-oriented form. Sources of possible discrepancies may e.g. lie in an incorrectly executed topology information, to which the representation information refers, but they can also be based in an incorrectly executed representation information. Such discrepancies may arise, for example, if the data for the topology information and / or the representation information are imported from different sources or entered by different persons.
  • the present representation information and the present topology information are analyzed and examined for discrepancies by comparisons.
  • the results are displayed in ge ⁇ suitable manner the engineering staff so that - if necessary - a correction can be made.
  • both the representation information and the topology information memory areas are in a data processing device in the form of the engineering computer 16 provided.
  • the representa ⁇ tion information and the topology information represent files or groups of files, which are usually stored in spei ⁇ cher sensoryen and fingergege- ben for editing.
  • a step 21 first the topology information is checked for discrepancies.
  • This has the advantage that even those discrepancies can be detected that are based on the topology information itself, and not just in the representation information.
  • discrepancies are sought within the topology information described according to the CIM data model.
  • Such inconsistencies may include, for example, the following situations:
  • the verification of the topology information can be performed by checking the links of objects described within the topology information for invalid or missing links.
  • the individual objects of the topology information are assigned link points which indicate at which points the objects in question can be linked to other objects.
  • the tie points can still be associated with property values that the nature of the possible links and / or technical properties of the corresponding to the respective objects primary components of the energy supply network is ⁇ ben.
  • an object of the topology information describing a circuit breaker may be assigned two connection points, since the circuit breaker can be connected to other objects in two places.
  • connection points For example, voltage levels or, in the case of a multi-phase energy supply network, the designations of the individual phases can be assigned to the connection points as property values.
  • such links between two objects are recognized as inadmissible, in which link points are associated with conflicting property values.
  • such a link would be recognized as inadmissible, indicating a direct electrical connection of different phases or different voltage levels of the power grid.
  • such links are recognized as missing, in which an existing link point of an object is not linked to any other object.
  • Unstimmigkei ⁇ th in a further step 22 sunstimmtechniksinformation as Reskerion- in a corresponding file in a memory area of the engineering computer stored.
  • steps 21 and 22 are to be regarded as optional and therefore indicated in dashed line.
  • step 23 the representation information itself is checked. In the representation information, for example, the following inconsistencies may occur:
  • An object present in the topology information can not be assigned a graphic object representation in the representation information.
  • No graphic object representation in the representation information can be assigned to any object in the topology information (for example, if the object in question has indeed been deleted from the topology information, but the associated graphical object representation has not been removed from the representation information).
  • part of the graphic object representation may be outside the representation information currently to be checked (for example, if a line extends over two networks).
  • a comparison between the two can be carried out by checking whether corresponding objects from the topology information can be assigned to all the graphic object representations contained in the representation information and, on the other hand, if all in the topology information holding objects corresponding graphical object representations can be assigned from the representation information.
  • Information on graphical object representations, where no corresponding object from the topology information may be assigned, and information about objects to which no entspre ⁇ sponding graphical object representation can be assigned from the representation of information are, in step 24, in addition to the possibly found in steps 21 and 22 Inconsistencies regarding topology information are stored as representation mismatch information.
  • the respective connections existing between the individual graphical object representations are examined to see whether they have corresponding links between the corresponding objects in the topology information.
  • the respective links present between the individual objects are then examined as to whether they have corresponding connections between the corresponding graphical object representations from the representation information.
  • Information about such object representations for which there is no corresponding linkage of assigned objects from the topology information, and information about such linkages between objects for which there is no corresponding connection of associated graphical object representations, are also stored in the representation mismatch information in step 24.
  • link nodes connectivity nodes
  • Connectors are used in the representation information in a corresponding manner.
  • the representation mismatch information will typically have multiple redundant indications of the same mismatch. In order to give the engineering staff as clear as possible, but To be able to present a complete list of identified discrepancies, there is a reduction in the number of discrepancies detected in the representation of disagreement information, using the following two rules:
  • Disagreements concerning incorrect connections between electrical connections and objects or object representations from the point of view of the linking nodes or the connectors are removed from the representation information information or are not stored at all in the representation since these discrepancies also depend on the page respective object or the object representation are detected.
  • redundant information can be removed from the representation information or it is not stored in it at all.
  • the representation hull information is displayed with a display device of the engineering computer, so that the engineering staff receives an overview of the discrepancies found.
  • This display can be done, for example, in the graphical representation of the representation information by a corresponding hatching or coloring of the object representations that are not displayed correctly.
  • a text-based list of discrepancies can be output, which can be processed step by step by the engineering staff. Such a text-based listing can on the one hand provide a comprehensive overview of all discrepancies found; In addition, it can also be given the opportunity to focus on individual primary components of the considered power supply network to allow the engineering personnel a detailed error analysis and rectification.
  • a correction step 26 the representation mismatch information triggers a correction of the discrepancies, which is carried out automatically or manually depending on the nature of the discrepancy.
  • the engineering personnel can be assisted in the manual correction by suggestions from the engineering computer, which offer possible remedies for the discrepancies.
  • the automation level of the correction is determined by the type of inconsistency. Wrong graphical symbols for the object representations (eg, bad switch symbol), for example, automatically corrected ⁇ to.
  • incorrect parameter settings eg the connection of different electrical phases by a single electrical connection
  • conflicting or not eindeu ⁇ term situations the corresponding discrepancies must always be manually or semi-automatically set by the operator ⁇ triggers.
  • the corrected representation information (and possibly the kor ⁇ -corrected topology information) is then stored in a database of the control center (eg, in the server device) and made available to the control center software for proper operation of the control center.
  • a review can regularly (eg when you made changes to the structure of the power supply system or during commissioning ei ⁇ ner new version of the control center software) are repeated.
  • the engineering staff can also limit by an act concluded before reviewing selecting a range of representation information checking on these selected range to check the complete repre ⁇ sentation information, rather than each time.
  • the verification of a representation information will be explained in more detail on the basis of two examples.
  • first 3 shows a topology information of a so-called "half-breaker" superstructure of a waste section of a power supply network.
  • the Topolo ⁇ gieinformation shown consists of an object-oriented representation of individual objects 31.
  • the topology information shown in Figure 3 includes as objects 31 busbars
  • Each object 31 also has link points 33, which indicate at how many places a link of the link respective object 31 is possible with other objects. There is always a link node 32 between two linked objects 31.
  • the linking points 33 can also be assigned property values which specify, for example, an electrical phase and / or a voltage level. Notwithstanding the representation in FIG. 3, the topology information can also be specified in purely textual form (eg in the form of an XML file).
  • Figure 4 shows a correctly engineered Re procurementationsinfor ⁇ mation, illustrating the structure of a power supply system described by the topology information in accordance with Figure 3 graphically.
  • the representation information here comprises graphic object representations 41, which correspond to the objects 31 from the topology information according to FIG. Consequently, in the representation information according to FIG. 4, object representations 41 for busbars ("BusRl”, “BusR2”), lines ("Linel", “Line2”) and circuit breakers ("BR1", “BR2", “BR3”) can be seen
  • the object representations 41 are represented by connectors 42 ("CNR1", “CNR2", “CNR3”, “CNR4"), which correspond to the logic node 32 of the topology information according to FIG.
  • FIG. 5 shows an incorrectly executed representation information, in which the object representations 51 for the switches "BR1" and "BR3" have been interchanged in deviation to the topology information according to FIG. The remaining object representations 51 and connectors 52 are executed correctly.
  • FIG. 6 shows an allocation scheme which illustrates the procedure for checking the topology information according to FIG. 3 and the incorrect representation information according to FIG.
  • a check first takes place as to whether each object representation 51 (see FIG. 5) of the representation information can be assigned a corresponding object 31 (see FIG. 3) of the topology information.
  • This over- Examination is indicated by the double arrows 61 in Figure 6.
  • a check of the conformity of the connections (connectors) between the object representations 51 with the links (linking nodes) of the objects 31 takes place.
  • deviations are found which are highlighted in FIG. 6 by double arrows 62 marked with a question mark.
  • Figure 7 shows a representation of a repre ⁇ tion information from Figure 5, in which the faulty components are highlighted by hatching 71st
  • FIG. 8 shows a second exemplary embodiment of a representation information which is faulty with regard to the topology information according to FIG. According to this second embodiment, instead of the object representation of the switch
  • CB3 / "BR3” uses an object representation of a switch "BR4" that does not exist in the topology information The other object representations and connections are executed correctly.
  • Figure 9 shows a corresponding mapping scheme, the ent ⁇ speaking the explanations of FIG 6, the procedure for verification of the topology information and the information represen- tation illustrates inconsistencies. It can be seen that when checking whether objects of the topology information corresponding to all object representations of the representation information can be assigned, for this purpose a new object "CB4" highlighted in FIG. 9 with dash-lined border would have to be introduced in the topology information, whereas in the representation information The object representation "CB3" can not be assigned.
  • Entspre ⁇ accordingly arise with respect to all connectors of the representation of information that are comparable linked with the object representation "BR4" disagreements (double arrows 91) that apply in ent ⁇ speaking manner to the fictitious inserted object "CB4" in the topology information (double arrows 92).
  • Inconsistencies arise in the topology information additionally with respect to missing links of the fictitious inserted object "CB4" (double arrows 93) as well as with respect to the representation information which does not correspond to links between the object "CB3" and further objects (double arrows 94).
  • reducing redundant data adjusted repre- include the following information:
  • a jump to another representa ⁇ tion information and topology information for the open connections of the lines “ACLinel” and “ACLine2" would be offered.
  • FIG. 10 shows a representation of the incorrect representation information according to FIG. 8, in which the detected discrepancies with hatchings 101 are highlighted.

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

L'invention concerne un procédé de contrôle d'une information de représentation qui indique une représentation graphique d'un réseau de distribution d'énergie électrique (10), ce procédé pouvant être mis en œuvre avec une grande fiabilité pour un faible investissement, en temps et en coûts. A cet effet, selon l'invention, une information topologique est fournie qui comprend une indication de la structure du réseau de distribution d'énergie électrique (10) sous la forme d'une description d'un modèle orienté objets dans lequel des composants primaires du réseau de distribution d'énergie électrique (10) sont indiqués par des objets correspondants de la description du modèle, et une information de représentation est fournie qui comprend une indication de la structure du réseau de distribution d'énergie électrique (10) sous une forme graphique, dans laquelle les différents composants primaires du réseau de distribution d'énergie électrique (10) sont associés à des représentations graphiques des objets. Afin de contrôler l'information de représentation, les divergences sont identifiées entre l'information de représentation et l'information topologique, par une comparaison des représentations graphiques des objets contenues dans l'information de représentation et des différentes liaisons qui existent avec les objets contenus dans l'information topologique, des données sur les divergences trouvées sont sauvegardées sous la forme d'information d'incohérence de la représentation et l'information d'incohérence de la représentation est affichée à l'aide d'un dispositif d'affichage du dispositif de traitement de données (16). L'invention concerne en outre un dispositif de traitement de données (16) conçu de manière correspondante.
PCT/EP2011/056458 2011-04-21 2011-04-21 Contrôle d'une représentation graphique d'un réseau de distribution d'énergie électrique Ceased WO2012143061A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113114304A (zh) * 2021-03-24 2021-07-13 浙江瑞银电子有限公司 一种基于载波通信的拓扑信号产生方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1069518A1 (fr) * 1999-07-16 2001-01-17 ABB Power Automation AG Déscription visuelle des états de tension sur un schéma de commutation électrique
EP1655669A1 (fr) * 2004-11-09 2006-05-10 ABB Technology AG Simulation des tensions et des courants dans des réseaux ou des jeux de barres de haute ou moyenne tension
EP1850109A1 (fr) * 2006-04-24 2007-10-31 ABB Research Ltd Vérification de configuration dans un dispositif électronique intelligent
FR2922664A1 (fr) * 2007-10-23 2009-04-24 Areva T & D Prot & Controle Sa Procede de generation automatique d'un fichier ssd.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1069518A1 (fr) * 1999-07-16 2001-01-17 ABB Power Automation AG Déscription visuelle des états de tension sur un schéma de commutation électrique
EP1655669A1 (fr) * 2004-11-09 2006-05-10 ABB Technology AG Simulation des tensions et des courants dans des réseaux ou des jeux de barres de haute ou moyenne tension
EP1850109A1 (fr) * 2006-04-24 2007-10-31 ABB Research Ltd Vérification de configuration dans un dispositif électronique intelligent
FR2922664A1 (fr) * 2007-10-23 2009-04-24 Areva T & D Prot & Controle Sa Procede de generation automatique d'un fichier ssd.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113114304A (zh) * 2021-03-24 2021-07-13 浙江瑞银电子有限公司 一种基于载波通信的拓扑信号产生方法
CN113114304B (zh) * 2021-03-24 2022-03-25 浙江瑞银电子有限公司 一种基于载波通信的拓扑信号产生方法

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