EP4115484A1 - Surveillance d'un dispositif de transfert d'énergie électrique - Google Patents

Surveillance d'un dispositif de transfert d'énergie électrique

Info

Publication number
EP4115484A1
EP4115484A1 EP21715144.8A EP21715144A EP4115484A1 EP 4115484 A1 EP4115484 A1 EP 4115484A1 EP 21715144 A EP21715144 A EP 21715144A EP 4115484 A1 EP4115484 A1 EP 4115484A1
Authority
EP
European Patent Office
Prior art keywords
module
transmission device
energy transmission
electrical energy
data
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
EP21715144.8A
Other languages
German (de)
English (en)
Inventor
Richard Schulz
Mathias DORNIG
Matthias Heinecke
Thilo Nehring
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 EP4115484A1 publication Critical patent/EP4115484A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
    • 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
    • H02J13/00002—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 monitoring
    • 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
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • 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
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/30—State monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge

Definitions

  • the invention relates to a method for monitoring an electrical energy transmission device, in particular a switchgear.
  • a limiting factor for the current-carrying capacity of electrical energy transmission devices such as switchgear, in particular high-voltage switchgear, is the heating of components due to electrical losses. Due to the lack of feedback about an actual heating of components of an electrical energy transmission device, an electrical energy transmission device is usually operated well below its actual thermal load limit for safety reasons. In other words, electrical energy transmission devices are often not operated at a maximum permissible current for a current ambient temperature, so that the actual heating of components of the electrical energy transmission device can often be far below the permissible heating.
  • electrical energy transmission devices often have such a high thermal capacity that they can withstand electrical currents for a short time that significantly exceed a nominal current. This potential of an electrical energy transmission device is usually not used.
  • the invention is based on the object of a method for monitoring an electrical energy transmission device. give that an operation of the electrical energy transmission device up to its maximum thermal load capacity it allows.
  • the object is achieved according to the invention by a method with the features of claim 1, a computer program with the features of claim 15 and an electrical energy transmission device with the features of claim 16.
  • time-resolved operating status data on current, past and / or future operating states of the electrical energy transmission device environmental status data on current, past and / or future environmental conditions in an environment of the electrical energy transmission device and / or sensor data which are detected and / or detected by at least one sensor of the electric power transmission device.
  • a temperature profile of current, past and / or future temperatures of at least one module of the electrical power transmission device is calculated, and the calculated temperature profile is used to calculate a thermal load on the module as a function of a thermal load limit determined for the module.
  • the method according to the invention enables precise determination of temperature profiles of the temperatures of individual modules by taking into account time-resolved operating status data on operating statuses of the electrical energy transmission device, environmental status data on environmental conditions in the vicinity of the electrical energy transmission device and / or sensor data.
  • time-resolved data will be This is understood to mean data to each of which a point in time is assigned, for example in that the data each have a digital time stamp.
  • sensor data recorded at individual measuring points on or in the electrical energy transmission device with which temperatures can be determined directly or indirectly at these measuring points, can be used to measure temperatures at other locations in the electrical energy transmission device and to calculate and in particular to forecast temperature curves of individual modules.
  • only a few sensors are required to determine the temperature curves of individual modules, and temperatures and temperature curves can also be calculated for locations or modules where temperatures are not or cannot be recorded using measurement technology.
  • This precise and comprehensive calculation of the Temperaturverläu fe individual modules enables in particular an operation of the electrical energy transmission device at its thermal load limit and a short-term overload operation of the electrical energy transmission device, so that the thermal load capacity and thus the actual potential of the electrical energy transmission device can be used to the maximum.
  • it enables an improvement in the operational safety of the electrical energy transmission device in that local overheating of the electrical energy transmission device can be recognized and eliminated or predicted and prevented.
  • the calculation of the temperature profiles of individual modules can also be used advantageously as a basis for improved regulation of active cooling of the electrical energy transmission device.
  • the calculation model mathematically simulates the operation of at least one module, has a mathematical model of at least one module and / or evaluates module data on geometric, physical and / or chemical properties of at least one module the end.
  • the accuracy of the temperature calculation can advantageously be increased by taking into account the specific properties of individual modules in the calculation model.
  • a current and / or at least one past and / or future degree of utilization of the electrical energy transmission device is determined as a function of the thermal load limit of at least one module based on at least one calculated temperature profile.
  • the degree of utilization of the electrical energy transmission device is understood to mean utilization of the electrical energy transmission device in relation to a maximum permissible utilization.
  • the degree of utilization is defined by a thermal utilization in relation to a maximum permissible thermal utilization. The determination of the degree of utilization advantageously enables a quantitative assessment of the utilization of the electrical energy transmission device and thereby facilitates its optimization.
  • a thermal utilization of at least one module is visualized as a function of its thermal load limit and / or the degree of utilization of the electrical energy transmission device.
  • the visualization includes a color representation of at least one module, the color of which is assigned to a temperature calculated for the module as a function of the thermal load limit of the module.
  • a period of time for which the thermal utilization of at least one module and / or the degree of utilization of the electrical energy transmission device is visualized can be set.
  • Such visualizations advantageously allow a quick overview of the thermal load and the utilization of the electrical energy transmission device and, in particular, the recognition of modules that are thermally heavily loaded and possible optimization of the operation of the electrical energy transmission device.
  • the thermal load limit of a module is defined as a temperature threshold value specific to the module. This realizes an expedient and simple quantitative definition of a load limit.
  • a warning is generated when the temperature curve calculated for a module exceeds the temperature threshold value defined for the module.
  • a tolerance period is defined and a warning is only output if the temperature curve calculated for a module exceeds the temperature threshold value defined for the module for longer than the tolerance period.
  • a warning is output if a temperature of a module calculated by means of the calculation model for a point in time deviates from a temperature of the module measured at this point in time by more than a specifiable absolute or relative tolerance value.
  • At least one module-dependent operating settings for the electrical power transmission device are defined and operating instructions on the operating settings in Output depending on at least one calculated temperature profile and / or operating settings made automatically as a function of at least one calculated temperature profile. This enables the automatic generation of information about an optimization of the operation of the electrical energy transmission device or even an automated optimization of the operation of the electrical energy transmission device.
  • the operating status data have information about a switching state of at least one electrical switching unit, an operating state of at least one active cooling device and / or an electrical operating current and / or an electrical power of at least one component of the electrical energy transmission device and / or the entire Electric power transmission device on.
  • These operating status data are particularly relevant operating status data for determining the thermal load on the electrical energy transmission device and are therefore particularly suitable for calculating the temperature profiles.
  • the ambient state data have information about a temperature, a wind speed, precipitation, air humidity and / or a radiation intensity of electromagnetic radiation in the vicinity of the electrical energy transmission device.
  • These environmental status data are particularly relevant environmental status data for determining the thermal load on the electrical power transmission device and are therefore particularly suitable for calculating the temperature profiles.
  • the sensor data include temperatures recorded at at least one measuring point on or in the electrical energy transmission device. This advantageously enables the consideration and evaluation Processing of actual temperatures of the electrical energy transmission device for calculating the temperature profiles.
  • the calculation model has a modular structure with libraries for taking individual modules into account.
  • the calculation model can advantageously be adapted to a change in the electrical energy transmission device and used for different electrical energy transmission devices.
  • the operating status data, environmental status data and / or sensor data are at least partially recorded in a data cloud and / or the temperature profile of at least one module is calculated in a data cloud using the calculation model.
  • the operating status data, environmental status data and / or sensor data and / or the calculated temperature profiles can advantageously be retrieved and used independently of location and user.
  • operating status data, environmental status data and / or sensor data and / or the calculated temperature profiles can be downloaded from the data cloud and used offline.
  • a computer program according to the invention comprises commands which, when the computer program is executed by a control unit or in a data cloud, cause the control unit to execute the method according to the invention.
  • An electrical energy transmission device comprises a control unit on which a computer program according to the invention is executed, or a connection to a data cloud in which a computer program according to the invention is executed.
  • FIG. 1 shows a structure diagram of an embodiment of the method according to the invention for monitoring an electrical energy transmission device
  • FIG. 2 shows a first visualization of an electrical energy transmission device with a representation of temperatures of modules of the electrical energy transmission device
  • FIG. 3 shows a second visualization of an electrical energy transmission device with a representation of temperatures of modules of the electrical energy transmission device
  • FIG. 4 shows a visualization of time curves of a degree of utilization and an input current of an electrical energy transmission device.
  • FIG. 1 shows a structure diagram of an exemplary embodiment of the method according to the invention for monitoring an electrical energy transmission device 1 with various modules 2 (see FIG. 2).
  • time-resolved operating status data 3 on current and past operating statuses of the electrical power transmission device 1 operating status data 4 on future operating statuses of the electric power transmission device 1, environmental status data 5 on current and past environmental statuses in the vicinity of the electrical power transmission device 1, environmental status data 6 on future environmental statuses in an environment of the electrical energy transmission device 1, sensor data 7 that are recorded and / or were recorded by at least one sensor of the electrical energy transmission device 1, and module data 8 on geometric, physical and / or chemical properties of at least one module 2 recorded, for example in a data cloud.
  • the calculation model 9 is used to calculate a temperature profile 10 of current, past and / or future temperatures for different modules 2 of the electrical power transmission device 1. Based on the calculated Temperaturver courses 10, thermal loads of the modules 2 are determined as a function of thermal load limits for the modules 2.
  • the calculation model 9 is executed, for example, in a data cloud.
  • a thermal load limit of a module 2 is defined, for example, on the basis of a data sheet describing the module 2, a safety regulation and / or a standard.
  • the thermal load limit of a module 2 is defined as a temperature threshold value specific to module 2.
  • a current and / or at least one past and / or future thermal utilization level of at least one module 2 depending on its thermal load limit and / or a current and / or at least one past and / or future thermal utilization level are based on the calculated temperature profiles 10 D of the electrical energy transmission device 1 determined as a function of the thermal load limits of the modules 2.
  • a degree of utilization of a module 2 is defined, for example, as a deviation of a temperature calculated for module 2 from the temperature threshold value defined for module 2 or as a ratio of this deviation to the temperature threshold value.
  • the determined utilization rates and utilization rates D are visualized with a visualization 11, see FIGS. 2 to 4 and their description.
  • a warning notice 12 is generated if the temperature curve 10 calculated for a module 2 exceeds the temperature threshold defined for the module 2. value exceeds.
  • a tolerance period is defined and a warning 12 is only output if the temperature curve calculated for a module 2 exceeds the temperature threshold value defined for module 2 for longer than the tolerance period.
  • a warning 12 can also be output if a temperature of a module 2 calculated by means of the calculation model 9 for a point in time deviates from a temperature of the module 2 measured at this point in time by more than a predeterminable absolute or relative tolerance value.
  • operating settings dependent on the temperatures of the modules 2 are defined for the electrical energy transmission device 1 and operating instructions 13 are generated on the operating settings as a function of the calculated temperature curves 10 and / or operating settings are made automatically as a function of the calculated temperature curves 10.
  • Such operating settings are, for example, changing an electrical operating current of a component of the electrical energy transmission device 1 and / or of the entire electrical energy transmission device 1 or switching an active cooling device on or off.
  • an operating note 13 can, for example, recommend the maintenance or replacement of one or more individual components of the electrical power transmission device 1, for example a busbar replacement.
  • the operating state data 3, 4 contain information, for example, about a switching state of at least one electrical switching unit, an operating state of at least one active cooling device and / or an electrical operating current and / or an electrical power of at least one component of the electrical energy transmission device 1 and / or the entire electric power transmission device 1.
  • the operating state data 3 on current and past operating states of the electrical energy transmission device 1 are provided, for example, by a control unit controlling the electrical energy transmission device 1.
  • the operating status data 4 on future operating statuses of the electrical energy transmission device are taken, for example, from a manually or automatically generated operating specification 14 for the operation of the electrical energy transmission device 1 and / or the generated operating instructions 13.
  • the environmental status data 5, 6 have information on, for example, a temperature, a wind speed, precipitation, air humidity and / or a radiation intensity of electromagnetic radiation (for example solar radiation) in the vicinity of the electrical energy transmission device 1.
  • the environmental status data 5 on current and past environmental statuses in the vicinity of the electrical power transmission device 1 are provided, for example, from a weather station, separate measuring devices and / or from a database of a data cloud.
  • the environmental status data 6 on future environmental statuses in the vicinity of the electrical energy transmission device 1 are taken, for example, from a weather forecast 15 for the surroundings of the electrical energy transmission device 1 and / or a user input 16 made manually by a user or operator of the electrical energy transmission device 1.
  • the sensor data 7 include in particular temperatures recorded at at least one measuring point on or in the electrical energy transmission device 1.
  • the module data 8 for a module 2 are taken, for example, from a data sheet describing the module 2.
  • FIGS. 2 and 3 each show a visualization 11 of an electrical energy transmission device 1 with a representation of temperatures of modules 2 of the electrical energy transmission device 1.
  • the electrical energy transmission device 1 in this example is a switchgear, the modules 2 of which include disconnector modules 2.1 with switch units designed as disconnectors, circuit breaker modules 2.2 with switch units designed as circuit breakers and output modules 2.3 with switching units designed as earthing switches.
  • Figure 2 shows a three-dimensional visualization 11 with a realistic representation of the electrical power transmission device 1
  • Figure 3 shows a two-dimensional visualization 11 in the form of a circuit diagram of the electrical power transmission device 1 is shown, the color in which a module 2 is shown, the temperature calculated for the module 2 as a function of the thermal load limit of the module 2 is assigned. For example, 2 temperature intervals are defined for each module depending on the thermal load limit of module 2 and a color is assigned to each temperature interval. For example, a module 2 is displayed in red if the temperature calculated for module 2 exceeds the temperature threshold value defined for module 2.
  • a module 2 can, for example, be shown in green if the temperature calculated for module 2 is significantly below the temperature threshold defined for module 2, yellow for higher temperatures below the temperature threshold and orange for temperatures within a temperature interval, its upper limit is the temperature threshold defined for module 2.
  • the different colors are shown in FIGS. 2 and 3 by different hatching.
  • Figure 4 shows an example of a visualization of a degree of utilization D and an input current I of an electrical energy transmission device 1 in the form of curves D (t) of the degree of utilization D and I (t) of the input current I as a function of a time t.
  • a period At for which the Gradients D (t) and I (t) are determined and displayed, can be set.
  • variables can be selected via a selection menu 20 with buttons 21 to 25, the temporal progressions of which are shown alternatively or additionally in the time period At.
  • buttons 21 and 22 are assigned to the degree of utilization D of the electrical energy transmission device 1
  • a button 22 is assigned to the input current I of the electrical energy transmission device 1
  • the other buttons 23 to 25 are each assigned to a further variable, for example a variable that characterizes an ambient condition such as a temperature, a wind speed, a precipitation, a humidity or a radiation intensity in the environment of the electrical energy transmission device 1 or an operating parameter of the electrical energy transmission device 1 such as a switching state of a switching unit or a thermal degree of utilization of an individual module 2 of the electrical energy transmission device 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

L'invention concerne un procédé de surveillance d'un dispositif de transfert d'énergie électrique (1), selon lequel des données d'état de fonctionnement à résolution temporelle (3, 4) concernant des états de fonctionnement actuels, passés et/ou futurs du dispositif de transfert d'énergie électrique (1), des données d'état d'environnement (5, 6) concernant des états d'environnement actuels, passés et/ou futurs dans un environnement du dispositif de transfert d'énergie électrique (1), et/ou des données de capteur (7), qui sont et/ou ont été acquises par au moins un capteur du dispositif de transfert d'énergie électrique (1), sont enregistrées. Au moyen d'un modèle de calcul (9) traitant les données d'état de fonctionnement (3, 4), les données d'état d'environnement (5, 6) et/ou les données de capteur (7), une courbe (10) de températures actuelles, passées et/ou futures d'au moins un module (2, 2.1, 2.2, 2.3) du dispositif de transfert d'énergie électrique (1) est calculée et, sur la base de la courbe de températures (10) calculée, une capacité de charge thermique du module (2, 2.1. 2.2. 2.3) est déterminée en fonction d'une limite de charge thermique pour le module (2, 2.1. 2.2. 2.3).
EP21715144.8A 2020-04-09 2021-03-10 Surveillance d'un dispositif de transfert d'énergie électrique Pending EP4115484A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020204609.3A DE102020204609A1 (de) 2020-04-09 2020-04-09 Überwachen einer Elektroenergieübertragungsvorrichtung
PCT/EP2021/056022 WO2021204486A1 (fr) 2020-04-09 2021-03-10 Surveillance d'un dispositif de transfert d'énergie électrique

Publications (1)

Publication Number Publication Date
EP4115484A1 true EP4115484A1 (fr) 2023-01-11

Family

ID=75277963

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21715144.8A Pending EP4115484A1 (fr) 2020-04-09 2021-03-10 Surveillance d'un dispositif de transfert d'énergie électrique

Country Status (5)

Country Link
US (1) US20230168131A1 (fr)
EP (1) EP4115484A1 (fr)
CN (1) CN115516727A (fr)
DE (1) DE102020204609A1 (fr)
WO (1) WO2021204486A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010046141A1 (de) * 2010-09-15 2012-03-15 Areva Energietechnik Gmbh Verfahren zum Betreiben eines Schaltfelds einer elektrischen Schaltanlage
DE102011002870B4 (de) * 2011-01-19 2014-06-05 Schneider Electric Sachsenwerk Gmbh Verfahren zum Überwachen des dynamischen thermischen Verhaltens eines Schaltfelds einer elektrischen Schaltanlage sowie elektrische Schaltanlage
DE102015210397A1 (de) * 2015-06-05 2016-12-08 Siemens Aktiengesellschaft Verfahren und Anordnung für einen Betrieb einer elektrischen Anlage
DE102018103901A1 (de) * 2018-02-21 2019-08-22 Hochschule Für Technik Und Wirtschaft Berlin Verfahren zum Bestimmen eines Betriebszustands eines elektrischen Betriebsmittels und Anordnung
JP2023516463A (ja) * 2020-03-12 2023-04-19 ジョンソン・コントロールズ・タイコ・アイピー・ホールディングス・エルエルピー 暖房、換気、又は空調（ｈｖａｃ）システム内の障害を予測するためのコントローラ及び方法

Also Published As

Publication number Publication date
DE102020204609A1 (de) 2021-10-14
US20230168131A1 (en) 2023-06-01
CN115516727A (zh) 2022-12-23
WO2021204486A1 (fr) 2021-10-14

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