EP3928413A1 - Procédé et système pour surveiller l'état de fonctionnement d'un réseau d'alimentation en énergie - Google Patents

Procédé et système pour surveiller l'état de fonctionnement d'un réseau d'alimentation en énergie

Info

Publication number
EP3928413A1
EP3928413A1 EP20710820.0A EP20710820A EP3928413A1 EP 3928413 A1 EP3928413 A1 EP 3928413A1 EP 20710820 A EP20710820 A EP 20710820A EP 3928413 A1 EP3928413 A1 EP 3928413A1
Authority
EP
European Patent Office
Prior art keywords
measured values
values
data processing
analysis
processing cloud
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
EP20710820.0A
Other languages
German (de)
English (en)
Inventor
Stefan Giere
Matthias Heinecke
Robert Knuth
Thomas Koch
Puneet Harminder Singh
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 EP3928413A1 publication Critical patent/EP3928413A1/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
    • H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • 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
    • H02J13/00028—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 involving the use of Internet protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Definitions

  • the invention relates to a method for monitoring the
  • Computing cloud transmits, each
  • Communication unit for receiving the measured values and / or the values derived from them via a close-range
  • Communication link is connected to at least one sensor that is used to acquire the measured values on or in a
  • High-voltage device of the energy supply network is arranged, the data processing cloud as part of an analysis on the basis of the measured values and / or the values derived from the measured values, the operating state of the
  • Operating state of an energy supply network can be monitored. For this purpose, at certain measuring points of the
  • System status values are formed which indicate the operating status of the energy supply network at the measuring points.
  • the system status values are transmitted from the application server to the monitoring device, with the
  • the object of the invention is therefore to provide a method of
  • the invention solves this problem in that the
  • the data to be analyzed ie the measured values and / or the values derived therefrom, originate from
  • High-voltage devices that are set up in different locations. According to the invention, any combination of data can be carried out if this appears expedient at the respective point in time.
  • the invention is based on the idea that the state of the Energy supply network can only be recorded satisfactorily if the state of high-voltage devices at different locations is known.
  • the monitoring of the energy supply network ensures an increase in the knowledge of the state.
  • the availability of numerous individual measurements enables the measured values of all high-voltage devices to be intelligently linked.
  • the combination according to the invention enables the operating reserves of the HV devices to be fully utilized for the first time.
  • the transparency of the transmission system for the network operator is also increased and, for the first time, enables effective and thus cost-effective fleet management.
  • Readings come from different high-voltage devices.
  • the context of the invention
  • High voltage circuit breaker and a capacitor originate.
  • the data therefore come not only from different locations, but also from different high-voltage devices.
  • Operating state of the energy supply network can be determined more precisely and even more reliably.
  • a user can log into the data processing cloud with the aid of access data or, in other words, log-in data.
  • the data processing cloud uses the user data to identify which
  • the data processing cloud has an appropriate database that is stored in a memory in the data processing cloud. For example, if the user is a
  • the data processing cloud recognizes, for example, that the user has ten transformers, twenty circuit breakers, ten
  • the data processing cloud is connected within the scope of the invention.
  • connection is made via a long-range
  • Long-range communication device such as a cellular module according to the GPRS or UMTS standard. This is used to set up a long-range communication connection, preferably an IP-based data connection, with the data processing cloud.
  • a provider of a cellular service or a telecommunications provider for example, a provider of a cellular service or a telecommunications provider
  • Long-distance communication link can at least partially via a communication network of this provider and / or
  • the sensors are within the scope of the invention via a short-range communication link with the
  • the short-range communication link can be a simple cable, for example.
  • the short-range communication connection is, for example, a ZigBee, a Bluetooth, a wireless, Ambus or a WiFi communication connection.
  • the short-range communication link extends a maximum of 100 meters.
  • An electrical energy supply network is used to transmit and distribute electrical energy from the generator to the end consumer.
  • Energy supply network is to secure and improve the reliability of the supply of the end consumer with electrical energy. It is therefore in the interest of the
  • a data processing cloud is to be understood here as an arrangement with one or more data storage devices and one or more data processing devices, which are designed by suitable programming to carry out any data processing processes can.
  • the data processing devices usually represent universal data processing devices, such as servers, which with regard to their
  • the data processing cloud has several individual
  • Has components, these are connected to one another in a suitable manner for data communication, for example by a communication network. Any data for data storage and / or processing can be fed to a data processing cloud.
  • the data processing cloud itself provides the stored data and / or the events of the data processing carried out to others
  • a data processing cloud can be any combination of devices, for example computer workstations, laptops, smartphones connected to a data processing cloud.
  • a data processing cloud can be any combination of devices, for example computer workstations, laptops, smartphones connected to a data processing cloud.
  • a data processing cloud can be any combination of devices, for example computer workstations, laptops, smartphones connected to a data processing cloud.
  • a data processing cloud can be any combination of devices, for example computer workstations, laptops, smartphones connected to a data processing cloud.
  • a data processing cloud for example, provided by a data center or several networked data centers.
  • a data processing cloud is designed spatially remote from the high-voltage devices.
  • the communication unit preferably has at least one analog and at least one digital input. Thus, several sensors can be connected to one communication unit.
  • the communication unit has
  • Measured values or values derived from them are stored and
  • the measured values of different sensors can therefore be shared by a communication unit via a
  • the sensors can be, for example, ammeters, voltmeters, temperature meters, pressure gauges, status indicators for switches (open, closed, fault) or the states of fuses (intact, ignited). In the context of the invention, the sensors can also detect pressures, viscosities of a medium or status reports of valve states. Gas sensors can also be used within the scope of the invention, which for example detect partial pressures of a specific gas. Also optical sensors for detecting
  • the access data are, for example, the usual log-in data.
  • the access data consists of a
  • the data processing cloud expediently has a database that can be used to determine which high-voltage devices are used by the respective user
  • Data processing cloud is assigned. Further data are stored in the database that establish a connection between the data processing cloud and the selected
  • a high-voltage device within the scope of the invention is designed for operation in the high-voltage network, i. E. for one
  • the high voltage network is preferably a
  • a high-voltage device is, for example, a transformer, in particular a power transformer
  • Circuit breaker a load break switch, a circuit breaker, a capacitor bank, an arrester, a
  • High-voltage bushing a converter, a matrix switch, a DC voltage switch or the like.
  • an analysis within the scope of the invention can in principle be designed in any way.
  • an analysis can include a visualization that clarifies the operating state of the energy supply network.
  • measured values and / or values derived from the measured values are included in the analysis which originate from measuring points at different locations.
  • a measuring point is understood here as the location of a sensor that is not arranged on a high-voltage device, but rather directly on a high-voltage line. This one on one
  • the sensor arranged at the measuring point is, for example, a current or voltage converter, which converts the current flowing through the measuring point while obtaining current values or the voltage dropping at the measuring point while obtaining
  • dynamic processes are simulated as part of the analysis.
  • the analysis can, for example, be the future development of the
  • High-voltage devices can be simulated at different locations and placed in a context with one another. This allows the behavior of the energy supply network to be predicted even better.
  • the analysis is carried out with the aid of at least one algorithm that simulates intelligent behavior.
  • intelligent behavior is also known as artificial intelligence.
  • the most expedient combination of data for observing the power supply network can be determined and carried out.
  • measured values and / or values derived from the measured values that were acquired or derived before the query time are advantageously used.
  • the temperature of an insulating liquid of a transformer as a high-voltage device is not continuous, but erratic e.g. from one minute to the next, this is certainly an indication of an error that should be corrected as soon as possible.
  • At least one memory unit is necessary. This
  • the storage unit is, for example, in the communication unit
  • the measured values and / or values derived therefrom can be stored locally.
  • the locally saved values are then sent to the data processing cloud the next time it is connected.
  • Measured values and / or values derived therefrom are averaged or otherwise preprocessed.
  • measured values recorded before the query time and / or values derived from these are stored in a memory in the data processing cloud. According to this advantageous further development, either only the data processing cloud or the data processing cloud in addition to the
  • This central storage unit is used to store the measured values and / or values derived therefrom, e.g. after a
  • Data processing cloud so that the measured values and / or values derived therefrom are continuously transmitted to the storage unit of the data processing cloud and stored there so that they can be displayed with other data, values or information in a time-resolved manner at the time of the query.
  • the visualization is generated with the aid of a quotient of the load current to the nominal current based on the respective high-voltage device.
  • the load current the current actually detected by the sensors, which is generated, for example, by a
  • the nominal current is the current that passes through the respective High voltage device intended to flow.
  • the rated current is a previously defined parameter. If the quotient of load current to nominal current exceeds a threshold value, for example 1.5, the visualization can make this clear with the aid of a specific color of the high-voltage device.
  • the high-voltage device is, for example, a transformer, this is shown, for example, in a highly schematic manner with its housing and its bushings. If the quotient of load to nominal current is 1, the transformer is green. However, if the quotient exceeds 2, the transformer is shown in red, which is intended to indicate the critical condition of the transformer. In addition, if the
  • Threshold value for example 2, a warning signal of
  • Data processing cloud are sent to the user.
  • the data processing cloud advantageously recognizes such a limit value being exceeded even if the user is not connected to the data processing cloud.
  • the data processing cloud can send a warning SMS, email or other signal to a mobile phone or to a monitoring station
  • inventive method are timed before
  • derived values are shown in a diagram correlated with data that are not derived from the measured values of the sensors. This data is
  • temperature values obtained from a weather service connected to the Internet for example, temperature values obtained from a weather service connected to the Internet.
  • High voltage devices are taken into account.
  • the measured values of other high-voltage devices can also be taken into account and
  • a visualization takes place during the analysis, in which a
  • Map is shown on which the high-voltage devices connected to the selected communication units are illustrated schematically.
  • a transformer for example, can be shown in a simplified manner in the visualization using a symbol. The same applies to a circuit breaker, a disconnector, a capacitor battery, arrester or other high-voltage devices.
  • a prediction of the further course of the utilization and the service life of the high-voltage devices is generated, these also being shown schematically in the visualization. If, for example, the occurrence of an arc in a transformer tank or a circuit breaker is monitored with the help of a camera, a prediction can be made with the help of the recorded arcs and a simple extrapolation or a more complex simulation as to how long a maintenance of the monitored one will be
  • High-voltage device can still be pushed out
  • Query time lie, as well as measured values that are recorded approximately at the query time and / or during a session of the user in the cloud. Taking measurements from the past into account increases the accuracy of the prediction.
  • High-voltage device determined and based on the
  • Weather intelligence determined. According to this advantageous further development, the on-site weather conditions do not have to be recorded in a complex manner. Rather, as part of the
  • Invention on anyway - e.g. on the Internet - existing data can be accessed.
  • the data obtained in this way about the weather conditions can also be shown in the visualization.
  • Each communication unit is advantageously equipped with an antenna for position determination.
  • the figure shows an embodiment of the method 1 according to the invention, in which a data processing cloud 2 can be seen, which via a long-range communication link 3 with one
  • Communication unit 4 is connected to a
  • high-voltage devices 5 are transformers 6, which are shown schematically with Its columnar bushings are shown, high-voltage circuit breakers 7, capacitor batteries 8, high-voltage disconnectors 9, high-voltage arresters 10, a rectifier 11 and an inverter 12. Furthermore, a user unit in the form of a laptop 13 can be seen, with the help of which a user can access access data, i.e. so-called log-in Data can send via a long-range communication link 3 to the data processing cloud 2.
  • the access data include a
  • the data processing cloud 2 also has a memory unit, not shown in the figures, on which a database is stored.
  • the database defines which high-voltage devices 5 are assigned to the access data, that is to say in this case to the user name. For example, if the user is the operator of an energy supply network with a number of high-voltage devices in the form of
  • High voltage device 5 are attached.
  • the data processing cloud 2 therefore accesses the long-range
  • Communication unit 4 has several inputs, e.g. are both analog and digital. At least one of the inputs is via a not shown figuratively
  • Short-range communication link connected to a sensor which is arranged on or in the associated high-voltage device 5 and which is used to acquire measured values is set up, wherein the sensor transmits said measured values and / or values derived therefrom.
  • Transformer 6 provided several sensors, not shown in the figures. For example, a sensor detects the temperature of an insulating fluid, here an ester oil, in the upper area of the transformer's tank. Another sensor records the temperature of the insulating fluid in the lower area of the tank, whereas a third sensor measures the temperature of the insulating fluid
  • a sensor detects e.g. the current that flows through the high-voltage circuit breaker when the contact is closed. Another sensor is used to determine the switch position, in particular whether the contact pieces of the contact are in contact with one another or are separated from one another. Another sensor is used to detect an im
  • Switch housing occurring arc Further sensors are arranged, for example, on a rectifier 11 which is set up to convert an alternating voltage into a direct voltage. Sensors of this rectifier 11 detect, for example, the DC currents and DC voltages occurring on the DC voltage side of the rectifier 11. Other sensors detect the input currents occurring on the AC voltage side at the rectifier 11, respectively
  • Input voltages The values derived from these measured values are the active and reactive powers that occur. All sensors transmit their measured values or those from them
  • Communication unit has at least one expedient processor and a memory unit with which the
  • the communication units 4 store the averaged values locally in their storage unit. For example, the measured values can be stored locally in the communication unit 4 for weeks.
  • the data processing cloud 2 stores the transmitted data centrally on its memory unit, not shown in the figures.
  • the values stored there or, in other words, data can now be used as a useful tool
  • Measured values and / or values derived therefrom are taken into account that originate from high-voltage devices that are connected to
  • locations 14a, 14b, 14c and 14d are set up in different places.
  • four different locations 14a, 14b, 14c and 14d are illustrated by way of example.
  • the locations 14a, 14b and 14c are in the Federal Republic of Germany, whereas the location 14d is intended to schematically illustrate an installation location in Poland.
  • the data of the transformer 14d from the installation site 14d are taken into account. Due to this combination of data from different spatial origins, the analysis of the operating status of the power supply network can be significantly improved and based on the analysis For example, a visualization can be shown which, for example, shows critical states of high-voltage devices 5 in color. A simulation of the future operating status of the HV devices is also possible.
  • the figure does not show the transmission lines of the energy supply network with their measuring points, at which sensors are also arranged. These sensors are also connected to a communication unit via a short-range communication link.
  • the short-range communication link is in the addressed
  • Embodiment a simple cable.
  • Each communication unit 4 also has one
  • Antenna used to determine the position of the
  • Communication unit 4 enables.
  • the communication unit 4 is arranged in the vicinity, that is to say less than 100 m away from the respective high-voltage device 5.
  • the geographic location of the respective high-voltage device 5 can also be detected. This is done through a
  • Positioning system such as GPS, Galileo or the like.
  • the data processing cloud 2 accesses weather data available for this location by the
  • Data processing cloud 2 to the database of a
  • Weather service accesses for example

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

L'invention concerne un procédé (1) permettant de surveiller l'état de fonctionnement d'un réseau d'alimentation en énergie, selon lequel, à un instant d'interrogation, un nuage de traitement de données (2) est relié à un certain nombre d'unités de communication (4) sélectionnées, par l'intermédiaire de liaisons de communication de zone d'action lointaine (3), chaque unité de communication (4) sélectionnée transmettant au nuage de traitement de données (2) des valeurs de mesure et ou des valeurs dérivées des valeurs de mesure, par l'intermédiaire d'une des liaisons de communication de zone d'action lointaine (3), chaque unité de communication (4) étant reliée à au moins un détecteur pour recevoir les valeurs de mesure et/ou les valeurs qui en sont dérivées par l'intermédiaire d'une liaison de communication de la zone d'action immédiate, ledit détecteur étant monté sur ou dans un appareil haute tension (5) du réseau d'alimentation en énergie, de manière à détecter les valeurs de mesure, le nuage de traitement de données (2) déterminant l'état de fonctionnement du réseau d'alimentation en énergie dans le cadre d'une analyse, sur la base des valeurs de mesure et/ou des valeurs qui en sont dérivées. L'invention vise à effectuer une analyse simple et économique de l'état de fonctionnement de l'ensemble du réseau d'alimentation en énergie. A cet effet, lors de l'analyse, le nuage de traitement de données (2) prend en compte les valeurs de mesure et/ou les valeurs qui en sont dérivées, lesquelles proviennent d'au moins deux unités de communication (4) sélectionnées, installées en différents endroits.
EP20710820.0A 2019-03-28 2020-02-28 Procédé et système pour surveiller l'état de fonctionnement d'un réseau d'alimentation en énergie Pending EP3928413A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019204301.1A DE102019204301A1 (de) 2019-03-28 2019-03-28 Verfahren und System zum Überwachen des Betriebszustandes eines Energieversorgungsnetzes
PCT/EP2020/055282 WO2020193074A1 (fr) 2019-03-28 2020-02-28 Procédé et système pour surveiller l'état de fonctionnement d'un réseau d'alimentation en énergie

Publications (1)

Publication Number Publication Date
EP3928413A1 true EP3928413A1 (fr) 2021-12-29

Family

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Application Number Title Priority Date Filing Date
EP20710820.0A Pending EP3928413A1 (fr) 2019-03-28 2020-02-28 Procédé et système pour surveiller l'état de fonctionnement d'un réseau d'alimentation en énergie

Country Status (5)

Country Link
US (1) US11442085B2 (fr)
EP (1) EP3928413A1 (fr)
CN (1) CN113812060A (fr)
DE (1) DE102019204301A1 (fr)
WO (1) WO2020193074A1 (fr)

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CN112398221A (zh) * 2020-11-05 2021-02-23 长江武汉航道工程局 一种安全用电监测系统
IT202200008846A1 (it) * 2022-05-02 2023-11-02 Pinpoint Srl Sistema di monitoraggio di macchinari di impianti industriali, in particolare per la manutenzione predittiva dei macchinari
DE102022112860A1 (de) 2022-05-23 2023-11-23 Endress+Hauser SE+Co. KG Verfahren zum Erkennen eines Automatisierungsanlagen übergreifenden Ereignisses

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Also Published As

Publication number Publication date
US20220043040A1 (en) 2022-02-10
WO2020193074A1 (fr) 2020-10-01
US11442085B2 (en) 2022-09-13
CN113812060A (zh) 2021-12-17
DE102019204301A1 (de) 2020-10-01

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