WO2010130562A1 - Temperaturüberwachung für ein schienenverteilersystem - Google Patents
Temperaturüberwachung für ein schienenverteilersystem Download PDFInfo
- Publication number
- WO2010130562A1 WO2010130562A1 PCT/EP2010/055544 EP2010055544W WO2010130562A1 WO 2010130562 A1 WO2010130562 A1 WO 2010130562A1 EP 2010055544 W EP2010055544 W EP 2010055544W WO 2010130562 A1 WO2010130562 A1 WO 2010130562A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- temperature
- busbar
- trunking system
- temperature sensor
- busbar trunking
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/042—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors
-
- 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
- H02H7/22—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 for distribution gear, e.g. bus-bar systems; for switching devices
Definitions
- the invention relates to a busbar trunking system with a plurality of interconnected, single or multi-phase, modular busbar pieces for electrical power distribution. There are several outlet boxes and / or electrical equipment connected to the busbar trunking system.
- the invention relates to a Temperüberwachungs- system, which has a control center and at least one such busbar trunking system.
- the invention relates to an advantageous use of such a temperature monitoring system in a wind turbine.
- the switchgear has one or more modules electrically connected to the conductor arrangement and / or one or more module interfaces electrically connected to the conductor arrangement for connecting modules. It also has at least one temperature sensor associated with each module and / or a temperature sensor assigned to each module interface and / or a temperature sensor connectable via each module interface for monitoring a temperature at the corresponding module. Furthermore, the switchgear comprises a temperature interface which is connected or connectable to the temperature sensors in order to detect a temperature detected by the temperature sensors at the modules or via the module interfaces. provide information.
- the switchgear is in particular a control cabinet.
- busbar trunking systems are provided for transporting and distributing flows in the range of several hundred to several thousand amperes in industrial or plant engineering environments.
- the considered busbar trunking systems can be more than 100 meters, in particular hundreds of meters, within a plant, in an industrial area, in a ship, such as a ship. Container ship, or even in a large wind turbine extend. They are preferably designed for low voltages, that is for voltages up to about 1000 V. Alternatively, they can be designed for medium voltages, that is for voltages up to 10 kV and more. You can on the feed side, e.g. be connected to a 50Hz / 400V three-phase power supply network.
- the busbar pieces connected in series are typically made of aluminum or copper.
- busbars or the plurality of mutually parallel busbars are housed in a grounded housing or in a housing made of an electrical insulating material for personal protection or contact protection.
- insulating materials for improving the fire protection may be present between the respective busbars and the housing.
- connection region between in each case two busbar sections of a busbar of the busbar trunking system and in the connection area for the infeed and outflow of currents to the infeed point or to the loads.
- the connection region is typically located at a longitudinal end of a busbar and / or in between at a tap-off box, which is provided for the distribution of power to a consumer.
- the cause of the high contact resistance may be human failure during initial assembly, during revision or repair of a busbar trunking system.
- Another reason for increasing the contact resistance are signs of aging in the form of oxidation at the contact or connection points, which over time may result in an increase in temperature above the limiting temperature. In the worst case, there may be a plant fire with substantial property damage, personal injury and lost production.
- thermovision methods or targeted measurements with temperature measuring devices or temperature measuring strips are known from the prior art.
- this measure does not ensure reliable and continuous monitoring of a busbar trunking system.
- At least one temperature sensor is arranged in the connection area of the busbar pieces, in the connection area of the tap-off units and / or in the connection area of the connected electrical devices for detecting a temperature present in the respective area and for providing a corresponding temperature information for a possible temperature monitoring.
- the respective temperature sensor is arranged on a connecting element in the connecting region of two conductor rail pieces. It can alternatively be arranged on a terminal or on a contact piece in the connection area of the outlet boxes or also in the connection area of the connected electrical appliances.
- the respective temperature sensor with the respective region is well heat-conducting and preferably arranged electrically insulated from it.
- the respective temperature sensor can, for example, be screwed, clamped or glued on there. As a result, a particularly fast and accurate detection of the present or prevailing temperature in the respective area is possible.
- the respective temperature sensor is attached to a piece of sheet metal.
- the piece of sheet metal is attached to the connecting element, on the terminal or on the contact piece.
- the temperature sensor is connected with good thermal conductivity with the piece of sheet metal, which in turn is connected to good heat conducting with the connecting element, with the terminal or the contact piece.
- a connection socket or a connection plug for external connection of the temperature sensor is attached to the piece of sheet metal. The temperature sensor itself is then connected via a cable connection to the connection socket or to the connection plug.
- the temperature sensor itself may be a temperature-dependent resistor, such as a PT100 or the like.
- a temperature-dependent resistor also known as a PTC thermistor or PTC (for Positive Temperature Coefficient)
- PTC Positive Temperature Coefficient
- NTC Negative Temperature Coefficient
- Both aforementioned resistance types have a substantially constant temperature coefficient. In other words, the resistance value in such temperature sensors increases or decreases more or less linearly with increasing temperature.
- the temperature sensor may have a non-linear resistance profile and, at a given limit or transition temperature, increase or decrease its resistance very rapidly. Such temperature sensors therefore have a rather digital resistance behavior.
- the temperature sensor may be a pyroelectric sensor or a bit metal switch.
- the temperature sensors are designed as resistance temperature sensors which have the same first transition temperature.
- the resistance temperature sensors as described above are non-linear PTCs or NTCs.
- these temperature sensors are connected via a connecting line in series or in parallel to form a temperature sensor chain. It is then the presence of at least one exceeded first transition temperature as a temperature information sense a summary message on the temperature sensor chain available.
- two temperature sensors can each be arranged in an area to be monitored.
- the temperature sensors are in turn designed as resistance temperature sensors and have the same first transition temperature.
- the temperature sensors are connected in series to form two temperature sensor chains each via a connecting line. It is then the existence of at least one exceeded first transition temperature at both temperature sensor chains as temperature information in the sense of a summary message available. This advantageously makes redundant monitoring of the critical areas of the busbar trunking system possible.
- two temperature sensors can be provided for a region to be monitored, wherein the two temperature sensors have two different transition temperatures instead of an identical transition temperature.
- the presence of at least one exceeded first critical temperature such as, for example, of 70 ° C., can be provided at one temperature sensor chain in the sense of a warning.
- at least one exceeded second critical temperature such as 90 0 C, at the other temperature sensor chain in the sense of an alarm message available.
- the temperature sensors can also be designed as individually addressable bus modules.
- the bus modules can be connected to one another via bus cables to form a bus-capable temperature sensor chain. It is then provided via this bus-capable temperature sensor chain associated with the respective bus modules temperature information.
- the bus modules are connected in series with respect to the bus topology.
- the bus modules preferably have a temperature sensor element, such as a PCT, and an electronic bus-capable temperature sensing unit.
- the latter can, for example, a microcontroller with a temperature input or with an integrated temperature sensor unit.
- the microcontroller may further comprise an already integrated bus interface.
- the power supply can be provided for example via the bus system itself.
- the underlying bus system may be, for example, an I 2 C-BuS, a CAN bus, a HART bus based on the widely used 4/20 mA standard current interface, or another serial or parallel bus system that extends over a distance of 100 m and more reliably operable.
- the particular advantage is that in addition to the temperature detection, it is also possible to localize the respective critical connection or connection area within the busbar trunking system.
- the temperature sensors may be designed as individually addressable radio modules.
- the radio modules form a radio-controlled temperature sensor cable. It is about the radio-controlled temperature sensor chain a the respective wireless modules associated temperature information available.
- the electrical energy required for the operation of the radio modules can be provided from a battery. It can alternatively be provided via a thermocouple, which provides a comparatively high electrical energy, especially at a high temperature to be monitored.
- the radio module can be, for example, a WLAN, a Blutooth or any other known radio module.
- the radio modules are preferably RFID radio modules.
- the rail distributor system has at least one evaluation unit connected to the respective temperature sensor chain in terms of signal or data technology.
- the evaluation unit has means for receiving or querying the respective temperature information, optionally means for comparing the respective temperature information with at least one predetermined limit temperature information and means for outputting the respective temperature information and / or means for outputting a warning message in case of exceeding at least one of the limit temperature information.
- One or more wired or wireless temperature sensor chains can be connected to such an evaluation unit. As a result, a reliable central temperature detection is possible.
- the evaluation unit may be an electronic module, a switching device with temperature input for mounting on a DIN rail or an electronic module.
- this is arranged in a outlet box of the busbar trunking system.
- the object of the invention is achieved by a temperature monitoring system which comprises a control station and one or more busbar trunking systems according to the invention.
- a temperature monitoring system which comprises a control station and one or more busbar trunking systems according to the invention.
- control center is connected via at least one line-connected signal, data or bus line to a respective evaluation unit of the at least one sliding gate. nenverteilersystems for receiving the respective temperature information and / or the respective warning messages.
- the control center can be connected to the respective evaluation units via the Internet, for example.
- control center can be connected via at least one wireless communication connection to a respective radio-based evaluation unit of the at least one rail distribution system for receiving the respective temperature information and / or the respective warning messages.
- the temperature monitoring system according to the invention can be used particularly advantageously in a wind power plant.
- the temperature monitoring system is provided for monitoring the temperatures at least on a busbar trunking system installed in a tower of the wind power plant. It may be the control center signal or data technology, wired or radio-based, connected to at least one evaluation of the busbar trunking system of the temperature monitoring system for receiving the respective temperature information and / or the respective warning messages.
- the control center may, as in the previous cases, be far away from the wind turbine, e.g. in a control center of an energy supply company, which operates a large number of wind turbines.
- FIG. 1 shows a section of a first embodiment of a busbar trunking system according to the invention
- 2 shows a view of a connecting region between two busbar pieces according to the drawn in Figure 1 viewing direction II
- FIG. 3 in each case a section of two further embodiments of the rail distributor system according to the invention, FIG.
- FIG. 5 shows an oblique view of the exemplary outlet box shown in FIG. 4 for connecting the busbar trunking system according to the invention
- FIG. 6 shows an exemplary temperature monitoring system according to the invention with a busbar trunking system in an overall view and with an associated control station and
- FIG. 1 shows a section of a first embodiment of a busbar trunking system 1 according to the invention.
- the system 1 shown has, by way of example, a plurality of multi-phase busbar pieces 2 which are arranged modularly one behind the other in a row.
- the system 1 is designed for electrical power distribution in the low voltage range.
- the busbar pieces 2 arranged parallel to one another and joined together to form busbars are surrounded by a common housing for protection against contact and contamination.
- a outlet box 3 is also shown for Stromaworthe Trent.
- electrical devices such as switching devices, control cabinets and the like, on the busbar trunking system 1, in particular on a connection area A at the longitudinal ends, be connected.
- At least one temperature sensor 10 for detecting a temperature present in the respective region V, A is now arranged in the connection region V of the busbar pieces 2, in the connection region A of the outlet boxes 3 and / or in the connection region A of the connected electrical devices 4.
- the respective temperature sensor 10 is also designed to provide a corresponding temperature information for a possible temperature monitoring.
- the temperature sensors 10 shown are already designed as resistance temperature sensors. In particular they all have a same first transition temperature, e.g. 70 °, up. Furthermore, all temperature sensors 10 are connected via a connection line 5, e.g. a measuring cable connected in series to form a temperature sensor chain. In terms of circuitry, this is a series connection of resistors.
- a maximum of 5 to a maximum of 10 such resistance temperature sensors 10 can be connected in series or else in parallel.
- a particularly high resistance change such as e.g. In the case of bimetallic switches, in principle any number of temperature sensors can be connected in series or in parallel.
- the temperature sensors 10 may also be designed as individually addressable bus modules.
- the connecting lines 5 are formed as a bus cable.
- a temperature information associated with the respective bus modules 10 or the bus-capable temperature sensors 10 can then be provided via the bus-capable temperature sensor chain formed in this way.
- the respective location can also be assigned to a respective temperature information.
- the busbar trunking system 1 shown in accordance with the invention has an evaluation unit 6 connected to the respective temperature sensor chain in terms of signal or data technology.
- This device has means for receiving or querying the respective temperature information and optionally means for comparing the respective temperature information with at least one predetermined limit temperature information.
- reception it is meant that the temperature sensor chain actively provides an electrical measurement value or a corresponding measured value datum for the detected temperature value for possible evaluation.
- the temperature sensor chain actively requests an electrical measurement value or a corresponding measured value datum for the temperature value to be detected or sensed, for example, the measured value may be an analog or pulse width modulated electrical signal typically a digitally coded, electrical, optical or wireless transmitted signal.
- the evaluation unit 6 has means for outputting the respective temperature information, such as a digitally coded temperature value in Celsius.
- the evaluation unit 6 may have means for outputting a warning message M in the event of exceeding at least one of the limit temperature information.
- the issuing of the warning message M can be done optically, for example by means of a light emitting diode, acoustically and / or by signal or data technology at an interface of the evaluation unit 6.
- the interface may be a wired communication interface, such as a LAN interface, and / or a wireless communication interface, such as a WLAN interface.
- the means of the evaluation unit 6 can be designed such that in the case of a connected temperature sensor chain with temperature sensors 10, each with two transition temperatures per measuring parts two messages are output.
- the first message can then be a warning message M if at least one temperature sensor 10 exceeds the first transition temperature.
- the second message may be an alarm message or shutdown message if in addition at least one temperature sensor 10 exceeds the second higher transition temperature.
- the temperature sensor 10 shown is arranged on a connecting element 15, here in the form of a screw, in the connection region V of two conductor rail pieces 2.
- the connecting screw 15 is provided to mechanically connect two busbar pieces 2 together.
- the temperature sensor 10 is attached to a piece of sheet metal 11 by means of a fastening screw 16 in the connection region V.
- the piece of sheet metal 11 is formed such that this after attaching under application a bias on the thermally monitored connecting element 15, that is, the connecting screw, is applied. As a result, a good heat-conducting contact between the likewise arranged there and executed in pill form temperature sensor 10 and the connecting screw 15 is ensured.
- the temperature sensor 10 shown is further snapped into a resilient yielding bend 12 of the sheet metal piece 11. In the sheet metal piece 11, a further bend 13 is present, in which a connection socket 14 for external connection of the temperature sensor 10 is snapped.
- Connecting lines for electrically connecting the temperature sensor 10 to the connection socket 14 are not shown for reasons of clarity itself.
- the temperature sensors 10 are designed as individually addressable radio modules.
- the latter form a radio-controlled temperature sensor chain, via which a temperature information associated with the respective radio modules 10 can be provided.
- the evaluation unit 6 has an antenna and radio interface (not further described) at least for receiving the temperature information transmitted by radio from the radio-controlled temperature sensors 10.
- the radio modules 10 may also be RFID radio modules.
- RFID radio modules may be actively transmitting radio modules or so-called passive backscatter radio modules which can be interrogated via an evaluation unit 6 embodied as a reading device.
- the evaluation unit 6 is arranged in a outlet box 3 of the busbar trunking system 1. It can be designed, for example, as an electronic module or electronic module.
- the reference numeral 34 designates an LED, which in the case of the presence of a detected excess temperature in at least one of the temperature sensors 10 for signaling can be permanently lit or blinking.
- FIG. 5 shows an oblique view of the exemplary outlet box 3 shown in FIG. 4 for connecting the busbar trunking system 1 according to the invention.
- a switching device 31 such as e.g. a circuit breaker housed. With 32 the outgoing side power lines are designated, which can be led to a consumer.
- the electronic evaluation unit 6 accommodated in the outlet box 3 is connected on the input side via the connection cable 5 to the temperature sensor measuring chain. 33 also denotes an interface connected to the evaluation unit 6. At this, e.g. an interface cable for connection to a parent control center be plugged, to which then a respective temperature information, warning message M and / or alarm message can be output.
- FIG. 6 shows an exemplary temperature monitoring system according to the invention with a busbar trunking system 1 in an overall view and with an associated control station 8.
- the busbar trunking system 1 has a multiplicity of busbars arranged in parallel, each of which is arranged in series disposed
- Busbar pieces 2 exist.
- By reference numeral 4 are exemplified switch cabinets as electrical equipment. At these is a respective end of a parallel current rail of the busbar trunking system 1 connected.
- a plurality of temperature sensors 10 for detecting a possible excess temperature in these areas V, A are arranged. The laid between the respective temperature sensors 10 connecting lines are not shown for reasons of clarity.
- An evaluation unit 6 can be seen in the right-hand part of FIG. 6, which is connected by way of example via a line bus 7 connected to a control station 8 or a control center computer. If the evaluation unit 6 detects an impermissibly high temperature in a connection region V, such as e.g. due to a fire F, it can be issued automatically via this a corresponding warning message M or alarm message to the higher-level control center 8. About this can e.g. a service technician B is automatically informed, such as by texting.
- the control station 8 may alternatively or additionally be designed such that at least selectively the power supply for the busbar trunking system 1 is switched off with the arrival of such a critical message.
- FIG. 7 shows a suitable use for a temperature monitoring system according to the invention using the example of a wind power plant 100.
- Reference numeral 101 designates a nacelle, 102 an impeller, 103 a tower and 104 an ascent ladder of wind turbine 100.
- the reference numeral 105 denotes a network connection for connecting an external power supply line of a power supply company.
- such a temperature monitoring system for monitoring the temperatures of the tower 103 laid busbar trunking system 1 used.
- the respective temperature information originating from the temperature sensors 10 is detected centrally by the evaluation unit 6.
- the latter has, by way of example, a cable modem, not further described, for a so-called "powerline" communication for forwarding the acquired temperature information and / or a warning message M derived therefrom to the control station 8, which is usually located far away be connected by data technology.
- the invention relates to a busbar trunking system 1 with a plurality of interconnected, single- or multi-phase, modular busbar pieces 2 for electrical power distribution, in particular in Niederspan- and medium voltage range, with multiple outlet boxes 3 and / or electrical equipment 4 are connected to the busbar trunking system ,
- a busbar trunking system 1 with a plurality of interconnected, single- or multi-phase, modular busbar pieces 2 for electrical power distribution, in particular in Niederspan- and medium voltage range, with multiple outlet boxes 3 and / or electrical equipment 4 are connected to the busbar trunking system
- at least one temperature sensor 10 for detecting a temperature present in the respective region V, A and for providing a corresponding temperature information for a possible Temperature monitoring arranged.
- a Connection area B User, service technician, operator
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Gas-Insulated Switchgears (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080020728.0A CN102422500B (zh) | 2009-05-11 | 2010-04-26 | 汇流排线槽系统、温度监控系统及其在风力设备中的应用 |
RU2011150244/07A RU2532417C2 (ru) | 2009-05-11 | 2010-04-26 | Контроль температуры для шинной распределительной системы |
EP10718543A EP2430719A1 (de) | 2009-05-11 | 2010-04-26 | Temperaturüberwachung für ein schienenverteilersystem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009021217A DE102009021217A1 (de) | 2009-05-11 | 2009-05-11 | Temperaturüberwachung für ein Schienenverteilersystem |
DE102009021217.5 | 2009-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010130562A1 true WO2010130562A1 (de) | 2010-11-18 |
Family
ID=42799800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/055544 WO2010130562A1 (de) | 2009-05-11 | 2010-04-26 | Temperaturüberwachung für ein schienenverteilersystem |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2430719A1 (zh) |
CN (1) | CN102422500B (zh) |
DE (1) | DE102009021217A1 (zh) |
RU (1) | RU2532417C2 (zh) |
WO (1) | WO2010130562A1 (zh) |
Cited By (2)
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US20150253369A1 (en) * | 2012-10-02 | 2015-09-10 | Wobben Properties Gmbh | Method for monitoring multiple electrical energy lines in a cable strand |
WO2022075946A1 (en) * | 2020-10-09 | 2022-04-14 | Eae Elektrik Asansor Endustrisi Insaat Sanayi Ve Ticaret Anonim Sirketi | Communication system with external cable for energy distribution lines |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202009008896U1 (de) * | 2009-06-29 | 2009-12-17 | Toth, Laszlo | Temperatur Überwachung System für elektrische Anlagen |
CN102931620A (zh) * | 2012-07-03 | 2013-02-13 | 江苏华彤电气集团有限公司 | 一种智能型母线系统装置 |
CN102998012A (zh) * | 2012-11-30 | 2013-03-27 | 上海宏力半导体制造有限公司 | 管路监测装置 |
CN103226042A (zh) * | 2013-03-27 | 2013-07-31 | 国家电网公司 | 应急电源快速接入装置用电源加载测温装置及测温方法 |
DE102013224542A1 (de) * | 2013-11-29 | 2015-06-03 | Senvion Se | Windenergieanlage mit Kabelbrandschutzeinrichtung |
DE102014010682A1 (de) * | 2014-07-22 | 2016-01-28 | Abb Ag | Temperaturmessanordnung für eine Schaltanlage |
CN105333963A (zh) * | 2014-08-11 | 2016-02-17 | 夏新月 | 具有温度报警装置的外置线路隐藏板 |
CN106774509B (zh) * | 2016-12-28 | 2018-06-29 | 郑州云海信息技术有限公司 | 汇流排散热调控方法及其装置 |
CN106969850A (zh) * | 2017-05-15 | 2017-07-21 | 上海安誉智能科技有限公司 | 基于输出pwm波的温度传感线的感温电缆及其应用和方法 |
CN106940226A (zh) * | 2017-05-15 | 2017-07-11 | 上海安誉智能科技有限公司 | 基于测温元件的温度传感线 |
CN106969852A (zh) * | 2017-05-15 | 2017-07-21 | 上海安誉智能科技有限公司 | 输出pwm波的温度传感线电路结构、温度检测系统及其方法 |
CN113820616A (zh) * | 2020-06-02 | 2021-12-21 | 广州汽车集团股份有限公司 | 电池监控方法、系统、电池管理系统和车辆 |
CN114088245A (zh) * | 2021-11-17 | 2022-02-25 | 成都海光微电子技术有限公司 | 温度检测装置及检测方法 |
EP4390121A1 (en) * | 2022-12-23 | 2024-06-26 | Siemens Gamesa Renewable Energy A/S | Conductor overheat detection for a wind turbine and wind turbine |
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- 2009-05-11 DE DE102009021217A patent/DE102009021217A1/de not_active Withdrawn
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- 2010-04-26 RU RU2011150244/07A patent/RU2532417C2/ru not_active IP Right Cessation
- 2010-04-26 CN CN201080020728.0A patent/CN102422500B/zh not_active Expired - Fee Related
- 2010-04-26 EP EP10718543A patent/EP2430719A1/de not_active Withdrawn
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150253369A1 (en) * | 2012-10-02 | 2015-09-10 | Wobben Properties Gmbh | Method for monitoring multiple electrical energy lines in a cable strand |
RU2605081C2 (ru) * | 2012-10-02 | 2016-12-20 | Воббен Пропертиз Гмбх | Способ контроля нескольких электрических проводов электроэнергии жгута проводов |
US9823288B2 (en) * | 2012-10-02 | 2017-11-21 | Wobben Properties Gmbh | Method for monitoring multiple electrical energy lines in a cable strand |
WO2022075946A1 (en) * | 2020-10-09 | 2022-04-14 | Eae Elektrik Asansor Endustrisi Insaat Sanayi Ve Ticaret Anonim Sirketi | Communication system with external cable for energy distribution lines |
Also Published As
Publication number | Publication date |
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RU2011150244A (ru) | 2013-06-20 |
CN102422500A (zh) | 2012-04-18 |
DE102009021217A1 (de) | 2010-11-18 |
RU2532417C2 (ru) | 2014-11-10 |
CN102422500B (zh) | 2015-04-01 |
EP2430719A1 (de) | 2012-03-21 |
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