EP2291892A1 - Elektrische installationsanordnung - Google Patents
Elektrische installationsanordnungInfo
- Publication number
- EP2291892A1 EP2291892A1 EP09765234A EP09765234A EP2291892A1 EP 2291892 A1 EP2291892 A1 EP 2291892A1 EP 09765234 A EP09765234 A EP 09765234A EP 09765234 A EP09765234 A EP 09765234A EP 2291892 A1 EP2291892 A1 EP 2291892A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrical
- error
- source
- electrical installation
- sensor
- 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.)
- Withdrawn
Links
- 238000009434 installation Methods 0.000 title abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 22
- 238000010616 electrical installation Methods 0.000 claims description 63
- 238000000034 method Methods 0.000 claims description 11
- 238000012880 independent component analysis Methods 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000513 principal component analysis Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
Definitions
- the invention relates to an electrical installation arrangement according to the preamble of claim 1.
- the object of the invention is therefore to provide an electrical installation arrangements of the type mentioned, with which the mentioned disadvantages can be avoided, with which the complexity of electrical installation arrangements can be lowered, and at the same time the safety of people and equipment can be increased.
- the object of the invention is to provide a fault determination device of the aforementioned type, with which the aforementioned disadvantages can be avoided, with which the complexity of electrical installation arrangements can be reduced, and at the same time the safety of people and equipment can be increased.
- This is achieved by the features of claim 9 according to the invention.
- protection of people and equipment can be implemented especially in complex electrical installation arrangements with low installation and equipment costs.
- a fault in a complex electrical installation arrangement can be detected and / or localized with little installation effort.
- finding an electrical fault within an electrical installation arrangement is not only simplified but performed by the electrical installation arrangement itself. A user can then easily fix the detected error.
- the invention further relates to a method for determining a source of error in an electrical installation arrangement according to the preamble of claim 10.
- the object of the invention is therefore to provide a method for determining a source of error in an electrical installation arrangement of the aforementioned type, with which the initially disadvantages are avoided and with which the safety of people and equipment can be increased.
- Fig. 1 shows a first embodiment of an electrical installation arrangement according to the invention
- Fig. 2 shows a second embodiment of an electrical installation arrangement according to the invention.
- FIG. 1 and 2 show an electrical installation assembly 1 comprising an electrical power distribution network 2 and / or at least a first electrical device 3, wherein at and / or in the electrical power distribution network 2 and / or the at least one first electrical device 3 means 4 for determining a fault source by means of blind-source separation are arranged, preferably for locating at least a first electrical error source, in particular at least a first fault current source and / or a first overload region.
- the subject invention relates to an electrical installation arrangement 1, wherein the electrical power distribution network 2 has at least a first electrical sub-network 8 and a second electrical sub-network 9 for connecting electrical consumers and / or first devices 3, and with at least one first sensor 5 and a second sensor 6 for detecting at least one first physical variable induced or influenceable by the electrical installation arrangement 1, wherein the first electrical sub-network 8 has first preselectably actuatable isolating contacts 10, and wherein the second electrical sub-network 9 has second preselectably actuatable isolating contacts 11, wherein the first and the second sensor 5, 6 are connected to a fault determination device 7 that the fault determination device 7 for determining a source of error in the electrical installation assembly 1 means Blind source separation is formed, and that the error determination device 7 with the first and the second isolating contact 10, 11 is operatively connected.
- the term induced in this context is to be understood as meaning or causing an event.
- Inventive electrical installation arrangements 1 are provided for operating any type of electrical power distribution network 2.
- these are provided for electrical power distribution networks 2, in particular for complex power distribution networks 2 such as in industrial plants, which are operated for example in Europe with voltage of 230V / 400V.
- electrical devices 3 or other consumers can be disconnected from the electrical power distribution network 2 and therefore switched off or deactivated, or whole subnetworks 8, 9, 13, therefore subregions of an electrical power distribution network 2, are switched off.
- a subnetwork 8, 9, 13 it is, as shown in FIGS. 1 and 2, the disconnectable by isolating contacts 10, 11, 18 and thus separable from the electrical power distribution network 2 portion of the electrical power distribution network 2 is called.
- the electrical power distribution network 2 comprises at least a first electrical sub-network 8 and a second electrical sub-network 9 for connecting electrical devices 3, wherein the first electrical sub-network 8 first specifiable controllable isolating contacts 10, and wherein the second electrical Subnet 9 second presettable controllable isolating contacts 11 has.
- Subnets 21, which can be switched off as such are subdivided further into so-called subnetworks 21, subnetwork 21 designating a region within a subnetwork 8, 9, 13 to which electrical devices 3, 16, 17 are connected or connectable are, and which subnet 21 are not formed separately by means of their own isolating contacts 10, 11, 13 separable from the electrical power distribution network 2.
- electrical devices 3, 16, 17 are connected to each subnet 8, 9, 13 or to each subnet 21. It should be noted that only the possibility of connecting such electrical devices 2, 16, 17 to a subnet 8, 9, 13 or subnet 21 may be provided.
- the electrical power distribution network 2, the subnets 8, 9, 13 and subnets 21 are each shown schematically as a single line in FIGS. 1 and 2, wherein this single line in each case all electrical lines of the respective electrical power distribution network 2, subnet 8, 9, 13 and / or subnetwork 21, and therefore is preferably representative of two, three, four or five electrical wires or cables.
- isolating contacts 10, 11, 18, any type of isolating contact 10, 11, 18 may be provided, which is able to disconnect a network, therefore subnet 8, 9, 13 and / or subnet 21, under the maximum expected electrical conditions, therefore separate from the electrical power distribution network 2.
- the maximum expected electrical states is preferably the maximum expected current flow, the maximum expected voltage and / or the maximum expected line to understand.
- a disconnect contact 10, 11, 18 in the neutral conductor as well, it also being possible to provide the earth conductor with a disconnect contact 10, 11, 18 switchable.
- the isolating contacts 10, 11, 18 are at least for remote opening their subnets 8, 9, 13 is formed, preferably a cable- or light guide-bound remote or control is provided, which achieves a low susceptibility, especially in environments with strong electromagnetic interference fields can be.
- the isolating contacts 10, 11, 18 have a radio interface for remote radio-controlled shutdown, with a high degree of noise immunity can also be achieved by suitable Kanalcodiermaschine.
- the total cost of an electrical power distribution network can be significantly reduced.
- the isolating contacts 10, 11, 18 are further designed for predeterminable remotely controlled switching on the respective subnets 8, 9, 13, wherein for this well-known arrangements for remotely controlled switching devices, such as circuit breakers, may be provided.
- means 4 for determining a source of error by means of blind-source separation are arranged on and / or in the electrical power distribution network 2 and / or the at least one first electrical device 3.
- An error is preferably any type of error whose effect can be detected within an electrical power distribution network 2, whereby the occurrence of a fault current and / or an overcurrent, such as a short-circuit current, and / or an overvoltage or undervoltage is preferably referred to as an error becomes.
- the origin of the error within the electrical energy distribution network 2 is designated as the source of error.
- the determination of a source of error preferably designates the detection of the type of error and the localization of the source of error, in particular of at least one first source of fault current and / or or a first overload range within the electrical power distribution network 2.
- the means 4 for determining a source of error by means of blind-source separation comprise at least a first sensor 5 and a second sensor 6 for detecting at least one induced by the electrical installation assembly 1 first physical quantity, such as a voltage, a current , in particular a fault current and / or overcurrent, and / or a temperature.
- first sensor 5 second sensor 6 and / or further sensor 12 is therefore designed in particular as a current sensor, in particular as a shunt, Hall element, transformer, differential current transformer or summation current transformer, and / or thermocouple.
- the respective sensor 5, 6, 12 is formed very broadband, and is adapted to receive the respective physical quantity as a frequency-dependent and / or time-dependent signal, in particular provided to receive this signal over a wide frequency range.
- the first sensor 5 is arranged on and / or in the first electrical sub-network 8 and / or the first electrical device 3, and that the second sensor 6 on and / or in the second electrical sub-network 9 and / or a second electrical device 16 is arranged, whereby a detection of a fault within the electrical power distribution network 2 is made possible.
- an arrangement of a sensor 5, 6, 12 in each subnetwork 8, 9, 13 is not necessary, therefore it can be provided that at least one subnetwork 8, 9, 13 is designed to be sensor-free.
- the means 4 for determining a source of error by means of blind-source separation further comprise, according to the preferred embodiment, at least one error-determining device 7 for determining a source of error in the electrical installation arrangement 1 by means of blind-source separation.
- Blind Source Separation is a method or method for determining a single signal and assigning this signal to a signal source within a signal mix of a variety of different signals from different signal sources.
- a condition for the correct function of blind source separation is that the individual signals, which together the signal mixture form, are mutually linearly independent, and that the composite signal are recorded or detected at least two different locations, each with different transmission distances from the signal source to the relevant point.
- Different methods of blind source separation are currently known, such as Principal Component Analysis, Singular Value Decomposition, Independent Component Analysis, Dependent Component Analysis, Non-Negative Matrix Factorization, and Low-complexity Coding and Decoding, respectively Currently, for example, an implementation according to the Independent Component Analysis is preferred.
- FIG. 2 shows approximately such an arrangement, in which five potential sources of error in the form of five devices 3, 16, 17 are monitored by only two sensors 5, 6, wherein nevertheless the exact assignment of an occurring error to a specific error source is possible
- an occurring fault current propagates within the entire electrical power distribution network 2 and therefore a fault current occurring approximately in the first device 3 will not only be detected by the first sensor 5, but also by the second sensor 6.
- a source of error is determined.
- subsequently the error source is deactivated by opening at least one isolating contact 10, 11, 18, when the error exceeds a predefinable first limit value in order to prevent causing damage due to the fault.
- a notification about the occurrence of the error is sent or displayed to a user terminal in order to inform a user about the status of the electrical installation arrangement 1. It can also be provided, even before switching the isolating contacts 10, 11, 18, a corresponding message about an impending error, such as when the error, which is represented by a measured value of one of the sensors exceeds a predetermined second limit, to a user terminal to send or display. As a result, it is possible to react even in the event of an imminent error, and, if appropriate, to contact a technician for correcting the error, and / or to manually deactivate the relevant error source. Furthermore, the remote-acting adjustment of the first and second limit can be provided.
- the error determination device 7 the corresponding modules for displaying a fault, and the corresponding modules for sending a message to a user terminal, and for receiving an instruction from a user terminal, preferably in the form of at least half-duplex capable, radio interface.
- the fault determination device 7 has at least one sensor input 14 and at least one control output 15 for the at least indirect activation of at least one isolating contact 10, 11 within an electrical installation assembly 1, and also a data processing unit for determining a source of error in the electrical installation assembly 1 by means of blind source separation.
- the data processing unit preferably has a microcontroller, microprocessor and / or a field programmable gate array (FPGA), as well as the necessary components for their operation, such as power supplies and memory units, such as semiconductor memory, optical and / or magnetic storage.
- input means such as a key input field, and / or display means, such as a screen or simple status lights, may be provided.
- the sensor input 14 is formed to the input of the detected by the sensors 5, 6, 12 signals, and may be formed as an analog or digital input. According to the embodiment of FIG. 1, it is provided that the individual sensors 5, 6, 12 on a bus trained sensor line 19, which in Figs. 1 and 2 - for better distinctness because - is designed as a dashed line, are arranged, and only the individual sensor line 19 is applied to the sensor input 14. In this embodiment, it is provided that 12 bus controllers are arranged on the individual sensors 5, 6, as well as at the sensor input 14. In the embodiment according to FIG. 2, a separate sensor input 14 is provided for each sensor 5, 6.
- the control output 15 is designed to control the isolating contacts 10, 11, 18, wherein, according to the embodiment according to FIG. 1, the formation of the single control line 20, which is shown in FIGS. 1 and 2 - for better distinctness - as a dot-dash line, is provided as a bus, but was dispensed with further An Tavernkomponenten.
- the control output 15 has hiebei deliver the total required for driving the isolating contacts 10, 11, 18 power, and has a correspondingly powerful output stage.
- a separate switching unit 22 is further provided, which is controlled by the control line 20, and then in turn carries out the control of the individual isolating contacts 10, 11, 18. This has the advantage, especially with extensive electrical histallationsan angelen 1 that no excessively large cable lengths occur, which could lead to problems in the driver stages, or signal dispersion in the control lines 20.
- a further sensor 23 for detecting a non-electrical variable may be provided in the region of at least one device 3, 16, 17, such as a liquid and / or moisture sensor, a heat sensor, Geiger counter, Schadgassensor, fire alarm, flue gas sensor, shock sensor and / or vibration sensor.
- the relevant sensor 23 is preferably designed such that in the event of detection of a dangerous operating state, which would require a notification of a user or a shutdown of the relevant device 17, specifically generates a predeterminable leakage current and provided on or in the device 17 Leakage line 24 in the relevant second subnet 9 or subnet 21 passes.
- the relevant device 17 can be identified as faulty and possibly switched off without a further bus connection.
- Hiebei can be provided to use the predetermined leakage current for information transmission, for example, information about the operating state or the sensor data in encoded form contained in the leakage, which can be read by the error determination device 7 and processed.
- Further embodiments according to the invention have only a part of the features described, wherein each feature combination, in particular also of various described embodiments, can be provided.
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0097508A AT507025A1 (de) | 2008-06-18 | 2008-06-18 | Elektrische installationsanordnung |
| PCT/AT2009/000179 WO2009152540A1 (de) | 2008-06-18 | 2009-04-30 | Elektrische installationsanordnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2291892A1 true EP2291892A1 (de) | 2011-03-09 |
Family
ID=41055463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09765234A Withdrawn EP2291892A1 (de) | 2008-06-18 | 2009-04-30 | Elektrische installationsanordnung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20090319207A1 (de) |
| EP (1) | EP2291892A1 (de) |
| CN (1) | CN102067399A (de) |
| AT (1) | AT507025A1 (de) |
| AU (1) | AU2009260160A1 (de) |
| IL (1) | IL209808A0 (de) |
| RU (1) | RU2011101533A (de) |
| WO (1) | WO2009152540A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT509253A1 (de) | 2009-08-05 | 2011-07-15 | Moeller Gebaeudeautomation Gmbh | Elektrische installationsanordnung |
| WO2012049601A2 (en) * | 2010-10-14 | 2012-04-19 | Koninklijke Philips Electronics N.V. | Operational state determination apparatus |
| US9470551B2 (en) | 2011-12-20 | 2016-10-18 | Robert Bosch Gmbh | Method for unsupervised non-intrusive load monitoring |
| DE102014116188A1 (de) * | 2013-11-26 | 2015-05-28 | Pilz Gmbh & Co. Kg | System zum fehlersicheren Abschalten eines elektrischen Verbrauchers |
| US10790607B2 (en) | 2016-09-26 | 2020-09-29 | Laith A. Naaman | Tamper resistant plug-able socket adapter |
| RU2697870C2 (ru) * | 2017-02-09 | 2019-08-21 | Юрий Вячеславович Ивлиев | Способ и система дистанционного отключения нагрузки при проведении замеров сопротивления изоляции и вариант устройства для его реализации |
| US20180364135A1 (en) * | 2017-06-20 | 2018-12-20 | Thomson Licensing | Appliance failure prediction |
| US11043776B2 (en) * | 2017-11-02 | 2021-06-22 | Laith A. Naaman | Safety mechanism for electrical outlets |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4454001B2 (ja) * | 2001-06-19 | 2010-04-21 | 財団法人電力中央研究所 | 遠隔電気機器監視方法及び装置並びにそれを利用した消費電力推定方法及び装置 |
| AU2003217662A1 (en) * | 2002-02-25 | 2003-09-09 | General Electric Company | Protection system for power distribution systems |
| CN100559316C (zh) * | 2003-01-06 | 2009-11-11 | 通用电气公司 | 电路保护系统 |
| DE102005047901A1 (de) * | 2005-09-30 | 2007-04-19 | Schering Ag | Vorrichtung zur Identifizierung von Verbrauchern in einem elektrischen Netz und Verfahren zum Betreiben der Vorrichtung |
| JP2008015921A (ja) * | 2006-07-07 | 2008-01-24 | Mitsubishi Electric Corp | 電力負荷代表パターン作成装置および電力負荷代表パターン作成プログラム |
| WO2008148075A1 (en) * | 2007-05-24 | 2008-12-04 | Alexander George Parlos | Machine condition assessment through power distribution networks |
-
2008
- 2008-06-18 AT AT0097508A patent/AT507025A1/de not_active Application Discontinuation
-
2009
- 2009-04-30 RU RU2011101533/07A patent/RU2011101533A/ru not_active Application Discontinuation
- 2009-04-30 EP EP09765234A patent/EP2291892A1/de not_active Withdrawn
- 2009-04-30 WO PCT/AT2009/000179 patent/WO2009152540A1/de not_active Ceased
- 2009-04-30 CN CN2009801232126A patent/CN102067399A/zh active Pending
- 2009-04-30 AU AU2009260160A patent/AU2009260160A1/en not_active Abandoned
- 2009-06-17 US US12/486,247 patent/US20090319207A1/en not_active Abandoned
-
2010
- 2010-12-06 IL IL209808A patent/IL209808A0/en unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009152540A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102067399A (zh) | 2011-05-18 |
| RU2011101533A (ru) | 2012-07-27 |
| AU2009260160A1 (en) | 2009-12-23 |
| WO2009152540A1 (de) | 2009-12-23 |
| IL209808A0 (en) | 2011-02-28 |
| AT507025A1 (de) | 2010-01-15 |
| US20090319207A1 (en) | 2009-12-24 |
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Legal Events
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