WO2009012952A2 - Système et procédé de contrôle prévisionnel et de protection d'installations électriques - Google Patents

Système et procédé de contrôle prévisionnel et de protection d'installations électriques Download PDF

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Publication number
WO2009012952A2
WO2009012952A2 PCT/EP2008/005940 EP2008005940W WO2009012952A2 WO 2009012952 A2 WO2009012952 A2 WO 2009012952A2 EP 2008005940 W EP2008005940 W EP 2008005940W WO 2009012952 A2 WO2009012952 A2 WO 2009012952A2
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WO
WIPO (PCT)
Prior art keywords
sensor
data processing
processing device
information
electrical
Prior art date
Application number
PCT/EP2008/005940
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German (de)
English (en)
Other versions
WO2009012952A3 (fr
Inventor
Peter Krippner
Manfred Wetzko
Rolf DISSELNKÖTTER
Armin Gasch
Christian Schroll
Paul Szasz
Ralf Graf
Steffen Keller
Original Assignee
Abb Ag
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 Abb Ag filed Critical Abb Ag
Publication of WO2009012952A2 publication Critical patent/WO2009012952A2/fr
Publication of WO2009012952A3 publication Critical patent/WO2009012952A3/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H02H1/0015—Using arc detectors
    • H02H1/0023—Using arc detectors sensing non electrical parameters, e.g. by optical, pneumatic, thermal or sonic sensors

Definitions

  • the invention relates to a system and a method for predictive monitoring and / or protection of electrical and / or electrical equipment, information of at least one arranged in the respective device sensor detected and processed in view of particular on an early detection of arcing and / or early fire detection anticipatory.
  • temperature sensors and sensors for power and / or voltage monitoring are used, which may give indications of a possible overheating of the respective switchgear, but only limited information on long-term impact and / or causes of overheating, since in particular a distinction between large-scale, but low temperature rise and local, but strong overheating is not possible.
  • the current / voltage determination appears metrologically very demanding, since relatively small deviations of the electrical resistance from the normal state must be measured, which are due to many different causes, especially prevailing environmental conditions within and / or outside the switchgear, such as temperature and humidity can.
  • a pure measurement of the temperature in the interior of the respective switchgear can give virtually no statement and / or differentiation possibilities as to whether it is, for example, a normal temperature increase due to changed operating parameters or a potential fault or fault.
  • a predictive monitoring or early detection of impending arc fault and / or fires in a switchgear, in particular a low-voltage switchgear, is conventionally not possible.
  • the system according to the invention for the purpose of anticipatory monitoring and protection of electrical and / or electrical equipment, in particular a low-voltage switchgear and / or its installations, comprises at least one higher-level data processing unit with evaluation unit which, in cooperation with at least one interface, provides information of at least one measuring module arranged in the respective device recorded with gas sensor and / or targeted with regard to accident early detection, in particular to an early detection of arcing and / or early fire detection, processed in a forward-looking manner.
  • the respective measuring module comprises at least one preprocessing device for signal preprocessing, in particular a microprocessor and / or a filter and / or an amplifier which, in cooperation with the respective sensor, performs a conditioning of the respective sensor signal or the corresponding sensor data and / or the resulting sensor information provides the data processing device with evaluation available and / or transmitted to this.
  • a preprocessing device for signal preprocessing in particular a microprocessor and / or a filter and / or an amplifier which, in cooperation with the respective sensor, performs a conditioning of the respective sensor signal or the corresponding sensor data and / or the resulting sensor information provides the data processing device with evaluation available and / or transmitted to this.
  • the processing may include filtering and / or amplification and / or reduction of the further processing sensor signals and / or sensor data.
  • the signal or data reduction can also take place in such a way that signal values and / or data located within a predetermined value range are masked out and only data or signal values outside the predetermined value range are provided.
  • a selection or reduction can also be made to the effect that those Signal values are passed, which differ by a predeterminable delta, in particular by a fixed value or a percentage, from the previous signal value. It is also conceivable that those signal ranges are passed on or provided which have a predeterminable slope, that is, where the derivative of the sensor signal has a predeterminable value and / or lies in a predeterminable range of values.
  • Gas sensors have in recent years in various areas, especially in the field of building technology, especially for indoor air monitoring in buildings, in the fire and / or fire news, more and more moved into and spread.
  • metal oxide sensors mainly metal oxide sensors, electrochemical sensors or sensors that determine the concentration of gases with more or less selectivity based on the infrared absorption used.
  • metal oxide sensors appear to be suitable in order to detect typical decomposition products which are released in the event of overheating of plastics, but also of oil- or dust-covered, overheated metal parts.
  • plastics As they are used as structural material of electrotechnical components, takes place depending on the temperature, a decomposition process in which even at temperatures below 300 0 C additives, such as plasticizers are released. As the temperature continues to rise, further degradation of the plastic occurs, through which decomposition products, such as CO, CO 2 , are detectable. In this way, it is possible even before reaching the flame temperature to detect a resulting error or an impending disturbance.
  • Metal oxide sensors provide a resistance signal in the simplest wiring case, depending on the presence of reducing components in their environment. This allows a purely integral measurement of all degradation products of plastics, without being able to distinguish more precisely.
  • arrays As fields and / or field arrangements of such sensors, each with different sensitivities use, so-called artificial noses.
  • individual metal oxide sensors can also be operated in a pulsed manner, wherein characteristic parameters can then be extracted from the temporal course of the resistance change, forming a fingerprint of the detected degradation products and thus an identification basis.
  • Defining thresholds for either the resistance of a single sensor or of areas in a multi-dimensional parameter space is then attributable to individual types of errors and can be used to trigger corresponding alarms and determination of the response / sensitivity.
  • the measuring modules which only evaluate gas emissions by means of a gas sensor
  • at least one further sensor in particular at least one temperature and / or infrared and / or dust and / or moisture sensor and / or StronW voltage sensor, and
  • the respective temperature and / or humidity and / or current / voltage values or their change and / or their course to capture, with at least one additional parameter or at least one additional information, the selectivity or resolution of the corresponding measurement method and thus the predictive quality improve.
  • the aforesaid measurement modules with gas sensors thus appear to be capable of predicting faults in electrical installations, in particular low-voltage switchgear, by measuring characteristic gas emissions and / or the temperature and / or current / voltage values and / or humidity values and / or Record resistance values and transmit for further processing to the at least one data processing device with evaluation unit.
  • the acquired information, in particular sensor signals are analyzed and processed and evaluated by using and / or incorporating predetermined threshold values and / or threshold values of the derivatives of the sensor signals.
  • a plurality of such measuring modules in particular spatially resolved, can be used, so that a particularly forward-looking statement also about the respective location of an error and / or a conspicuousness - in particular with respect to gas emission and / or temperature change and / or electricity / Voltage and / or resistance value - for example, in one or more slots in a low-voltage switchgear can be taken or the place can be determined sufficiently accurately.
  • both the respective measurement modules and insertable in a switchgear inserts, in particular inserts with at least one measuring module, are usually not designed gas-tight and a gas emission and a reported error and / or conspicuous
  • a network of at least two such measuring modules providable, the at least two measuring modules with each other and / or with the parent Data processing device communicate, whereby the rate of supposedly incorrectly reported errors and / or abnormalities can be reduced by the timings of the reported by the individual measurement modules parameters and / or information accordingly be evaluated, for example, in terms of temporal correlation and / or coincidence.
  • At least one measuring module in the outer space or outer area of the electrical installation, in particular of the respective control cabinet, in order to obtain background signals, such as changes in the ambient temperature and / or the respective gas concentration, in the evaluation of sensor information generated by the individual measurement modules of the respective system and / or their installations are provided and / or transmitted, in particular as reference values to process.
  • the communication between the measuring modules as well as the higher-level data processing device can be wirelessly, for example by GPRS, WLAN and / or Bluetooth, or wired, for example by USB, RS-232, Firewire, SCSI, Ethernet, PCI and / or a common fieldbus, such as CAN (Controller Area Network) bus, CANopen bus, Fieldbus Foundation, TTP (time-triggered protocol), Profibus, Modbus or the like, or a combination thereof.
  • CAN Controller Area Network
  • CANopen bus Fieldbus Foundation
  • TTP time-triggered protocol
  • Profibus Modbus
  • Modbus Modbus
  • the object is also achieved by a method for predictive monitoring and protection of electrical and / or electrical equipment, in particular a low-voltage switchgear and / or their installations, at least one of the respective electrical and / or by means of at least one higher-level data processing device with evaluation detected electrotechnical device associated measuring module with gas sensor and / or targeted in terms of accident early detection, in particular on an early detection of arcing and / or early fire detection, are processed in a forward-looking.
  • the method is executable by means of one of the aforementioned systems.
  • the method it is advantageously possible to provide information by means of one or more signal transmitters which directly informs about the respective state of the electrical and / or electrical device to be monitored and / or the at least one higher-level data processing device and / or the at least one measuring module and / or at least one inserted sensor becomes.
  • Both optical and / or acoustic signal transmitters can be used, which can be arranged in particular on or in the respective measuring module and / or the slot accommodating the data processing device.
  • corresponding warning messages can also be generated and / or forwarded in a forward-looking manner, which are output in particular via at least one output unit, such as a printer and / or a monitor.
  • respective status information and / or sensor information is transmitted cyclically and / or event-oriented to a predeterminable addressee circuit for information and / or documentation.
  • a corresponding message is automatically generated on the basis of the respective warning message and transmitted to a pre-definable address list or list of addressees.
  • the transmission of corresponding information and / or messages can advantageously be carried out by means of UMTS, SMS, GPRS and / or eMail.
  • a storage of information of any kind, for example, in a corresponding, in particular historical database and / or a data memory is advantageously providable.
  • FIG. 1 shows an exemplary configured system for carrying out a method for the preventive monitoring and protection of electrical equipment, in particular in a low-voltage switchgear
  • FIG. 2 exemplarily designed measuring module with gas sensor for a systemic use according to FIG. 1
  • Fig. 1 an exemplary trained system for carrying out a method for predictive monitoring and protection of electrical and / or electrical equipment is shown, which is integrated into a modular low-voltage switchgear (MNS) 1 with implemented in particular insertion technology internals.
  • the aforementioned system comprises at least one higher-level data processing device with evaluation unit 2, which in cooperation with at least one interface 4 information 6 at least one arranged in the respective device measuring module 7 with gas sensor 8, 10, in the example shown here a total of 13 modules detected and targeted in terms to a fault early detection, in particular of an arc and / or fire, processed in a forward-looking manner.
  • the aforementioned system is distributed by way of example to four areas B1, B2, B3, B4 of the underlying switchgear, which may be, for example, a control cabinet, various control cabinet areas and / or installations of the respective switchgear.
  • the relevant switchgear comprises a switchgear cabinet, which has a push-in element in a first area B1, which receives the higher-level data processing device 2 and at least one measuring module 7 with gas sensor 8.
  • control cabinet shows a second area B2 with nine measuring modules 7 with gas sensor 8, which can be provided in particular for accommodating nine compact inserts, for example for motor starters, so that, in particular, each measuring unit can be assigned a measuring module 7 in a spatially resolved manner.
  • at least one measuring module 7 is also integrable into a slot, in which case a corresponding interface, in particular also at the respective slot, is to be provided, via which particular sensor information 6, which may possibly also include sensor status information, is sent to the superordinate Data processing device 2 can be transmitted for further processing and / or forwarding.
  • control cabinet has a third area B3 with a circuit breaker formed in plug-in technology, which insert is also monitored with a system-specific measuring module 7 with gas sensor 8, wherein the module 7 can be arranged outside or inside the respective slot.
  • An arrangement within the respective slot is to be preferred, since thereby the response times can be shortened and the measurement quality can be improved.
  • a power distribution realized in plug-in technology is provided, which is arranged in a further area B4 and is monitored with a measuring module 7 with gas sensor 8.
  • an outer space measuring module 10 is provided for reference gas and / or temperature measurement.
  • a single measuring module 7 or a plurality of measuring modules 7 are arranged.
  • each individual measuring module 7 provided in the interior of the control cabinet serves to precisely allocate faults, in particular also to the push-in elements present there.
  • the sensor information 6 of the various measuring modules 7 are processed centrally by a superordinate data processing device with evaluation unit 2. It is also conceivable decentralized processing, each measuring module 7 by communication with the respective other modules 7 whose parameters or sensor information 6 in the evaluation into consideration and decides independently whether and if so which error is present and / or what incident entail this could or indicate what incident this could.
  • the system for predictive monitoring and protection of electrical and / or electrical equipment in particular the at least one data processing device with evaluation 2, at least one interface 9, wired and / or wireless, for data or Infocmations instrument and / or communication with a higher level system 11, process control system and / or MES (Manufacturing Execution System), for example a bus system of the type GPRS, WLAN, Bluetooth, USB, RS-232, Firewire, SCSI, Ethernet, PCI, Controller Area Network (CAN), Fieldbus Foundation, TTP (time-triggered protocol), Profibus, Modbus or the like or a combination thereof.
  • GPRS General Packet Transfer Protocol
  • WLAN Wireless Local Area Network
  • Bluetooth Wireless Fidelity
  • USB Wireless Fidelity
  • RS-232 Firewire
  • SCSI Serial Bus Component Interconnect
  • Ethernet for example a bus system of the type GPRS, WLAN, Bluetooth, USB, RS-232, Firewire, SCSI, Ethernet, PCI, Controller Area Network (CAN), Fieldbus Foundation, TTP (time-triggered protocol
  • one or more signal transmitters 18 can be provided, which are directly above the respective state of the electrical and / or electrical device 1 to be monitored, the at least one higher-level data processing device 2 and / or one or more measuring modules 7, 10 and / or sensors 8, 14 to inform.
  • This may advantageously be optical and / or acoustic signal transmitters, which are arranged, for example, on or in the respective measuring module 7 and / or the insert accommodating the data processing device 2.
  • These can be designed, for example, as LED displays and / or LCD displays.
  • the at least one parent can be provided, which are directly above the respective state of the electrical and / or electrical device 1 to be monitored, the at least one higher-level data processing device 2 and / or one or more measuring modules 7, 10 and / or sensors 8, 14 to inform.
  • This may advantageously be optical and / or acoustic signal transmitters, which are arranged, for example, on or in the respective measuring module 7 and / or the insert accommodating the data processing device 2.
  • These can be designed, for
  • Data processing device 2 means for proactively generating and / or forwarding corresponding warning messages as well. These can be output, for example, via at least one output unit, such as a printer and / or a monitor.
  • advantageous means are providable, which, for example, in cooperation with a corresponding eMail service, automatically generate a corresponding message based on the respective warning message and transmit it to a pre-definable address list or addressee list.
  • the transmission takes place, for example, by means of UMTS, SMS, GPRS and / or e-mail using a further, suitable and configured interface.
  • the respective status information and / or sensor information 6 can be sent to a predeterminable addressee circuit for information and / or documentation.
  • a corresponding measuring module 7 with gas sensor 8 comprises at least one preprocessing device 12 for signal preprocessing, which in particular has a microprocessor and / or a filter and / or an amplifier, and which in cooperation with the respective sensor 8, 14 in addition to the gas sensor 8 further sensors, such as temperature sensor 14 and / or sensors for determining the humidity and / or for the determination of condensation and / or dusts, are providable, performs a processing of its sensor signal or the corresponding sensor data and / or the resulting sensor information of Data processing device with evaluation unit 2 provides and / or transmitted to this.
  • the measuring module comprises, in addition to the actual gas sensor 8, an additional temperature sensor 14 for increasing the error separation accuracy and predictive quality.
  • the methods used in the parameter or information evaluation are which may include, for example, subtraction, thresholds, correlation methods, fuzzy logic, and neural networks.
  • the respective measuring module 7 with gas sensor 8 and preprocessing 12 as a printed circuit board with recordings and corresponding connection options for one or more microprocessor and / or Wandlerbausteine 13a and / or sensors 8,14, and with at least one interface 13b for data exchange and / or Communication with the higher-level data processing device 2 and be designed for power supply and / or in addition still appropriate acoustic and / or optical, for example in the form of particular colored LED 's , have signal generator 18, which on the status of the respective measuring module 7 and / or the used sensors 8,14 inform, and give, for example, in case of abnormalities corresponding acoustic and / or optical signals or cues, for example by color change and / or flashing at least one LED.
  • each measuring module 7 could be assigned a different acoustic signal, for reasons of unambiguous identification.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Alarm Devices (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Fire Alarms (AREA)

Abstract

L'invention concerne un système et un procédé de contrôle prévisionnel et de protection d'installations électriques et/ou électrotechniques (1), notamment d'un dispositif de commutation basse tension et/ou de ses composants intégrés. Le système selon l'invention comporte au moins un dispositif de traitement de données pourvu d'une unité d'évaluation (2). En interaction avec au moins une interface (4), le dispositif de traitement de données détecte des informations (6) d'au moins un module de mesure (7) comportant un capteur à gaz (8), affecté dans une installation respective, et traite ces informations de façon ciblée et prévisionnelle en vue d'une détection précoce d'incident, notamment d'arc électrique et/ou d'incendie.
PCT/EP2008/005940 2007-07-25 2008-07-21 Système et procédé de contrôle prévisionnel et de protection d'installations électriques WO2009012952A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007035129A DE102007035129A1 (de) 2007-07-25 2007-07-25 System und Verfahren zur vorausschauenden Überwachung und zum Schutz elektrischer Einrichtungen
DE102007035129.3 2007-07-25

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Publication Number Publication Date
WO2009012952A2 true WO2009012952A2 (fr) 2009-01-29
WO2009012952A3 WO2009012952A3 (fr) 2009-04-09

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Cited By (4)

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WO2010054143A1 (fr) * 2008-11-07 2010-05-14 Abb Technology Ag Système de données destiné à un appareillage de commutation
CN103807980A (zh) * 2014-03-04 2014-05-21 施晓亚 一种预测中央空调异常的方法
US11402423B2 (en) 2016-12-05 2022-08-02 Siemens Energy Global GmbH & Co. KG Operating component
CN116846080A (zh) * 2023-07-13 2023-10-03 国网山东省电力公司聊城供电公司 基于数据分析的户外环网柜运行状态监管系统及方法

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EP2429048A3 (fr) * 2010-09-10 2014-11-12 Köhl Ag Système de surveillance et de protection pour une installation de commutation à moyenne ou basse tension et son procédé de fonctionnement
DE102015218052B4 (de) 2015-09-21 2019-03-21 Siemens Aktiengesellschaft Schaltanlage, welche eine Auswerte- und Auslöseelektronik zum Erkennen und Begrenzen der Energie eines Störlichtbogens in einem Einschub eines Schaltschranks der Schaltanlage aufweist
DE102022203071A1 (de) * 2022-03-29 2023-10-05 Siemens Mobility GmbH Überwachungseinrichtung für einen Stromrichter eines Schienenfahrzeugs
DE102022132937A1 (de) 2022-12-12 2024-06-13 Bayerische Motoren Werke Aktiengesellschaft Elektrische Verbindungsvorrichtung für ein Hochvoltbordnetz eines Kraftfahrzeugs mit einem pyrolysefähigen Material als Überhitzungsindikator

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JPH03188339A (ja) * 1989-07-28 1991-08-16 Nissin Electric Co Ltd 閉鎖配電盤の導体異常過熱常時監視装置
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WO2010054143A1 (fr) * 2008-11-07 2010-05-14 Abb Technology Ag Système de données destiné à un appareillage de commutation
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CN103807980B (zh) * 2014-03-04 2016-03-30 施晓亚 一种预测中央空调异常的方法
US11402423B2 (en) 2016-12-05 2022-08-02 Siemens Energy Global GmbH & Co. KG Operating component
CN116846080A (zh) * 2023-07-13 2023-10-03 国网山东省电力公司聊城供电公司 基于数据分析的户外环网柜运行状态监管系统及方法
CN116846080B (zh) * 2023-07-13 2024-03-26 国网山东省电力公司聊城供电公司 基于数据分析的户外环网柜运行状态监管系统及方法

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DE102007035129A1 (de) 2009-01-29
WO2009012952A3 (fr) 2009-04-09

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