EP3440679A1 - Arrangement of single-phase transformers - Google Patents
Arrangement of single-phase transformersInfo
- Publication number
- EP3440679A1 EP3440679A1 EP17721986.2A EP17721986A EP3440679A1 EP 3440679 A1 EP3440679 A1 EP 3440679A1 EP 17721986 A EP17721986 A EP 17721986A EP 3440679 A1 EP3440679 A1 EP 3440679A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- arrangement
- cable
- housing
- voltage
- connection
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/10—Single-phase transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/12—Two-phase, three-phase or polyphase transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
-
- 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
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
-
- 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
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Definitions
- the invention relates to an assembly for replacement of a multi-phase transformer with a plurality of single-phase transformers ⁇ gates, each having a filling with an insulating bares housing in which a core having an upper and a lower voltage winding is arranged.
- Multiphase, for example three-phase, transformers are generally used in alternating voltage networks for converting a high voltage into an undervoltage or vice versa. Power transformers often reach the size of an apartment building.
- the transformers often reach the size of an apartment building.
- Transformers adapted to the customer requirements, so it is usually with them a measure ⁇ -made one-off production.
- failure stel ⁇ len such transformers a critical for the safety and reliability of the power supply component is because in case of failure of the transformer, the power supply is first interrupted.
- a replacement transformer usually has to be elaborately designed and manufactured. This can lead to deferrers ⁇ delay times of more than 1 year. As an interim solution, therefore, the faulty transformer is only temporarily replaced by an already finished flexible replacement transformer.
- transporting the temporary replacement transformer is time-consuming and may vary depending on the weather conditions. conditions last for several weeks. Further delays arise locally due to the long assembly or
- each housing has at least one cable connection and each cable connection is connected via a cable line to an outdoor connection provided separately from the housing.
- cable connections are provided for connecting a consumer or supply network.
- each single-phase transformer has a housing with at least one cable connection.
- Each cable connection is in the context of the invention via a cable line with a set up separately from the housing outdoor connection ver ⁇ prevented.
- a cable line or, in other words, cable connection includes one or more cable conductors.
- a cable conductor has at least one inner conductor encased externally by an electrically insulating solid.
- the one or more inner conductors are made of an electrically conductive material, such as a suitable metal or a me ⁇ -metallic alloy.
- the free-air connection is then used to connect one phase of a supply or Ver ⁇ brauchernetzes.
- the outdoor connection is therefore designed as a high-voltage connection and can be installed where the connection to a phase of a network can be made quickly and inexpensively and where there is sufficient space. Due to the cable connection between the outdoor connection and the transformer housing, there is no need to maintain a minimum distance between the high voltage conductors and components at earth potential.
- the cable conductors of the cable line that are insulated on the outside can be laid anywhere on the premises.
- the single-phase transformers need not be arranged next to one another but distributed over a larger area.
- commissioning was delayed because the power lines had to be comparatively complex connected to the terminal bushings of the distributed arranged single-phase transformers th. This is avoided in the context of the invention.
- the cable line has at least one cable conductor, each cable conductor having a length of between 5 and 50 meters.
- the cable conductors are arranged in this variant of the invention, for example on cable drums.
- each cable drum on a cable ladder with a length between 20 and 40 meters.
- the cable drums can be on call. This allows a flexible adaptation of the arrangement.
- each housing is equipped with two cable connections. Since two cable ⁇ connections are provided, each housing can be connected via two Ka ⁇ belleiter with the outdoor connection. The Ka ⁇ beltechnisch is therefore designed redundant.
- each outdoor connection is equipped with two cable entries.
- each outdoor connection has a base for Ab ⁇ make the outdoor connection on the floor and a connection rail for connecting a phase of a consumer or supply network, wherein the connecting rail is ⁇ supported by we ⁇ least one supporter isolated on the lower frame ⁇ supported.
- the outdoor connection can simply be placed anywhere on the floor, for example next to the outdoor connection of another single- phase transformer.
- the supporter provides the necessary insulation between the high-voltage terminal rail and the ground-based subframe.
- a surge arrester is connected between the connection rail and the underframe.
- Surge arresters are characterized by a non-linear resistor connected between its two terminals. In normal operation, the resistance of the surge arrester is very large. However, when the voltage applied to its terminals exceeds a predetermined threshold, the non-linear resistor becomes conductive so that the surge arrester bridges the components connected in parallel with it. The surge arrester thus protects, for example, the low-voltage winding of the transformer.
- a lockable adjustment ⁇ opening is formed at least granted the access to be ⁇ arranged in the housing selection means, said selection means forms a plurality of voltage terminals, each with an associated bushing socket, a cable connection or a winding are connected, wherein two of the voltage terminals are connected via a switching unit optionally with ⁇ each other.
- the single-phase transformers can be adjusted to specific inputs or outputs.
- a voltage connection of each selection device is connected to a winding.
- the remaining connections of the respective selection unit are associated with one Feedthrough jack or a cable connection connected. By switching the winding is connected to the out ⁇ selected input or output.
- the switching unit is, for example, a suitably trained
- the said winding can be connected to another feed-through socket by simply inserting the setting conductor. Inputs and outputs can be adjusted flexibly.
- the selection ⁇ device is disposed within the housing and thus completely surrounded by insulating liquid during operation of the arrangement. However, it is directly facing an insertion opening of the housing. This insertion opening is preferably located in the so-called cover of the housing.
- a specific feedthrough socket which is designed for a higher voltage to connect to the high-voltage winding, the insulating liquid from the housing et ⁇ what is drained, so that a user access to the selection device is made possible via the insertion opening. Subsequently, the setting conductor, the corresponding voltage terminals of the selection device can be plugged that the desired feedthrough connector is connected to the high-voltage winding ⁇ .
- each housing of a single- phase transformer with a separately deployable cooling module, a separately mounted expansion vessel, plug ⁇ ble high-voltage bushings and an auxiliary power module is detachably connected.
- each single-phase transformer has a modular construction. Due to this modular design, the transportability of the arrangement according to the invention is improved and its commissioning is accelerated.
- an outer wall of the arrangement is at least partially executed bullet-resistant.
- the OF INVENTION ⁇ dung proper arrangement used in a power supply network, then this as a node usually a poten ⁇ cial target for destructive attacks from the outside.
- Such attack for example, bombarding with handguns or guns and the use of explosive devices with garnet or Bomb splinters in the wake.
- the bullet-resistant outer wall which is made for example of a bullet-resistant material or material.
- the outer wall forms ⁇ example, the outer boundary of a component of the arrangement.
- the outer wall forms, for example, the per ⁇ stays awhile housing or the boiler of the single-phase transformer; ⁇ ren, which is filled with insulating liquid.
- the outer wall is arranged at a distance from the housing of the transformer or transformers and designed as an ar ⁇ m istszaun.
- the outer wall consists of a
- the outer wall comprises an outer wall and an inner wall, between which a damping means is arranged. In a shot at the arrangement, wherein the energy of the ball is then taken up by the damping means ⁇ and degraded.
- the damping agent is a liquid or a dry foam.
- FIG. 1 schematically illustrates a faulty multiphase transformer
- FIG. 2 shows an embodiment of the invention
- Figure 3 shows an embodiment of a single-phase
- Figure 5 shows the housing of an exemplary single-phase
- FIG. 6 shows a cable connection of the housing according to FIG.
- FIG. 5 shows enlarged Figure 7 shows an embodiment of a housing with
- Figure 1 shows in plan view a three-phase transformer 1, which is arranged on a foundation 2 made of concrete. On the high voltage side of the transformer 1 is connected to a high voltage power supply network 3, which has three phases. On the low voltage side, a likewise three-phase consumer network 4 is closed. In the failure of the multi-phase transformer 1, the power supply of the consumer ⁇ chernetzes 4 through the supply network 3 can not be maintained, he ⁇ hold. It is therefore necessary to ensure a quick replacement of the polyphase transformer 1.
- the polyphase transformer 1 is a power transformer and for
- FIG. 2 illustrates schematically the use of the inventive arrangement 5 for replacing the polyphase transformer 1.
- the arrangement 5 consists of several single-phase transformers 6.
- the voltage of the low-voltage winding is at each single-phase transformer 6 tor on a not figuratively not shown here
- Each cable connection is connected via two cable conductors 7 and 8 as a cable line, each with an outdoor connection 9.
- Each outdoor connection 9 is in turn connected to a phase of the consumer network 4.
- the open-air ports 9 can be placed, for example, in the vicinity of the old multi-phase and faulty transformer 1, so that the mains phases not need to be re-laid consuming to be connected to a replacement transformer.
- the cable conductors 7, 8 together with the outdoor connections 9 therefore allow flexible installation of the single-phase replacement transformers 6 until a newly manufactured primary transformer takes the place of the faulty transformer 1.
- FIG. 3 shows a perspective view of an embodiment of a single-phase transformer 6 a inventions to the invention arrangement 5.
- the shown there monophasic Trans ⁇ formator 6 has a housing 10 with a cooling module 11, an expansion vessel 12, an auxiliary power module 13 and high voltage bushings 14 , 15 and 16 is stocked.
- the said components or modules are detachably connected to each other, so they can be easily disassembled and transported independently.
- surge arresters 17 are used, which have a nonlinear resistor inside their arrester housing, which changes from a non-conducting state to a conducting state in the event of overvoltage and thus the Protects components connected in parallel with it.
- the high-voltage bushings 14, 15 and 16 are each designed as plug-in high-voltage bushings and can be inserted with their insertion into suitable feedthrough bushings 18.
- the bushings 18 are rotationally symmetrical and define a housing cover open towards lying, however, closed on one side cavity, which is complementary in shape to the insertion of the respective high-voltage feedthrough 14, 15 and 16 is formed.
- the bushings 18 are further fluid-tightly connected to the housing 10, so that the interior of the single-phase transformer 6 hermetically, so air and liquid-tight, is completed by the outside atmosphere.
- each feedthrough socket 18 At the closed end of each feedthrough socket 18 a figuratively unrecognizable conductor pin is held, which is when the high-voltage feedthrough 14, 15 or 16 is inserted into the respective feedthrough jack 18, in lei ⁇ tendem contact with the extending through the respective high-voltage bushing high-voltage conductor.
- Said conduit bolt extends into the interior of the Ge ⁇ koruses 10, ie in the oil chamber, where it is in contact with a winding connecting line, which thus connects the bushing socket 18 electrically connected to the respective tops relationship way low-voltage winding of the transformer. 6
- these For mounting and fixing the high-voltage feedthroughs 14, 15 or 16, these each have a fastening connection 19.
- each column ⁇ portion 20 advantageously has a length of between 3 and 5 meters on.
- the housing 10 has two cable connections 22 in addition to the high-voltage feedthroughs 14, 15 or 16.
- the cable connections 22 and the high tensioning ⁇ voltage feedthrough 16 are connected to the lower voltage winding a binding bar, while the high-voltage bushings 14 and 15 can be connected to the high-voltage winding is optional.
- FIG. 4 shows an open air connection 9 in a perspective representation as an example for the identically structured remaining outdoor connections 9.
- the open air connection 9 ver ⁇ adds a base 23, which consists of two lateral triangular triangular uprights 24, the longitudinal beams 25 and transverse stiffeners 26 rigidly together are connected.
- a storage tray 27 extends Zvi ⁇ rule are the two uprights 24.
- Two triangular supporter 28 for supporting a connecting bar 29 extending, provided the upper half of the storage tray 27 and extends parallel thereto.
- the supporters 28 extend in a longitudinal direction and have at their ends in each case a metallic connection.
- the two terminals of a Stützers are electrically isolated over a Au ⁇ HYrippen having columnar insulator portion connected to each other.
- FIG. 5 shows an exemplary housing 10 of a single-phase transformer 6 of the arrangement 5 according to the invention in a side view.
- the two Jardinanschlüs ⁇ se 22 are particularly well visible.
- each cable connection 22 is protected by a cable connection cover 33 from dirt and moisture. be- see the cable connections 22 is a Jardinan gleichhalte- 34 recognizable.
- Figure 6 shows the cable connections 22 in more detail.
- these have an external thread, by which a cable end of a cable conductor can be positively connected to the cable connection 22.
- the cable connection holder 34 extends between the cable connections 22 to the front, that is opposite to the insertion direction of the cable conductors 7, 8.
- FIG. 7 shows the housing 10 and the high-voltage feedthroughs 14, 15 and 16 and the cable conductors 7 and 8 which are connected to the cable connections 22.
- FIG. 7 shows, by way of example, all connection possibilities of the single-phase transformer 6, the high-voltage leadthrough 14 for an input voltage of 345 kV, the high-voltage leadthrough 15 for input voltages of 230 kV, the high-voltage leadthrough 16 for output voltages of 138 or 115 kV, depending on the position of a figuratively not shown Tap changer are set up.
- the cable terminals 22 and the cable conductors 7 and 8 are also designed for voltages in the range of 138 or 115 kV.
- FIG. 7 shows the housing with all pluggable high-voltage feedthroughs 14, 15, 16, as shown in FIG.
- a Redun ⁇ dant executed cable connection 22 is shown.
- the housing 10 has a ceremoniesseinstellö réelle 35 and an input setting opening 36, which can be closed in each case fluid-tight by a lid or by a flap.
- FIG. 8 shows the view into the input setting opening 36, so that a selection device 37 facing the latter is shown becomes recognizable.
- the selector 37 has voltage terminals 38, 39 and 40. With the help of a U-shaped adjusting ⁇ conductor 41, two of the voltage terminals 38 and 39 mitei ⁇ connected to each other.
- the upper-voltage winding of the single-phase transformer 6 is connected to the feedthrough socket 10 of the high-voltage feedthrough 14.
- the transformer 6 is thus suitable for an input voltage of 345 kV.
- the output of a voltage of 138 kV takes place at the high-voltage bushing 16.
- the high-voltage bushing 15 can be dispensed with in this operating mode.
- FIGs 9 and 10 illustrate a view into the Trustseinstellö réelle 35, again with a selector 37 is recognizable, with its three voltage terminals 38, 39 and 40.
- the connecting conductor 41 connects the voltage terminals 38 and 39, so that the voltage output at the high voltage feedthrough 16 is done as previously described.
- the motherboards 39 and 40 are connected by the Ver ⁇ bonding conductor 41.
- the low-voltage winding is connected on the output side to the two cable connections 22, so that the high-voltage feedthroughs 15 and 16 can be omitted.
- This configuration or adjustment of the single-phase transformer 6 is shown in Figure 11 in a perspective view.
- FIG. 12 shows a setting in which the upper voltage is 230 kV, so that the high-voltage feedthrough 15 is used instead of the high-voltage feedthrough 14. To this end, connects the actuating conductor 41 the clamping ⁇ voltage terminals 39 and 40, which face 36 of the mattersseinstellö Anlagen Maschinen.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016207425.3A DE102016207425A1 (en) | 2016-04-29 | 2016-04-29 | Arrangement of single-phase transformers |
PCT/EP2017/059843 WO2017186749A1 (en) | 2016-04-29 | 2017-04-26 | Arrangement of single-phase transformers |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3440679A1 true EP3440679A1 (en) | 2019-02-13 |
Family
ID=58672575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17721986.2A Pending EP3440679A1 (en) | 2016-04-29 | 2017-04-26 | Arrangement of single-phase transformers |
Country Status (7)
Country | Link |
---|---|
US (1) | US10262791B2 (en) |
EP (1) | EP3440679A1 (en) |
CN (2) | CN115691971A (en) |
BR (1) | BR112018072022B1 (en) |
CA (1) | CA3022199C (en) |
DE (1) | DE102016207425A1 (en) |
WO (1) | WO2017186749A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018200587A1 (en) | 2018-01-15 | 2019-07-18 | Siemens Aktiengesellschaft | Cable drum for a high voltage cable |
WO2019137623A1 (en) | 2018-01-15 | 2019-07-18 | Siemens Aktiengesellschaft | Transportable power transformer unit |
KR102067268B1 (en) * | 2018-01-30 | 2020-01-16 | 효성중공업 주식회사 | Pipe supporting apparatus for transformer |
CN109839881B (en) * | 2019-03-08 | 2020-11-06 | 中国工程物理研究院电子工程研究所 | Trigger device and trigger system |
CN115512933B (en) * | 2022-10-26 | 2024-08-02 | 温州市森脉电力设备有限公司 | Method for installing and debugging transformer in power transmission and distribution engineering |
Family Cites Families (24)
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DE944507C (en) * | 1942-08-27 | 1956-06-14 | Aeg | Transformer, whose heat sink attached to the boiler is blown by a fan |
GB832920A (en) * | 1957-01-24 | 1960-04-21 | George Osborne Mclean | Electric transformer coolers |
NL100717C (en) | 1957-09-11 | |||
US3304359A (en) | 1965-10-14 | 1967-02-14 | Westinghouse Electric Corp | Electrical bushing with inductor-type fluid-circulating impeller |
CH427952A (en) | 1965-12-14 | 1967-01-15 | Gode W Gosteli & R Degele | Transformer station |
US3600597A (en) * | 1970-03-24 | 1971-08-17 | Gen Electric | Spare transformer connecting means |
DE2224541A1 (en) * | 1972-05-19 | 1973-11-29 | Schorch Gmbh | CLAMPING DEVICE FOR MULTI-PHASE HIGH VOLTAGE OIL TRANSFORMERS |
DE2421728A1 (en) * | 1974-05-04 | 1975-11-13 | Transformatoren Union Ag | Transformer over-voltage protection - for winding sections involves voltage-dependent resistors and oil spark gaps |
US4092547A (en) | 1976-02-17 | 1978-05-30 | Ruppert Henry C | Switch block |
JPS5586106A (en) | 1978-12-25 | 1980-06-28 | Toshiba Corp | Transformer |
JPS5957410A (en) | 1982-09-27 | 1984-04-03 | Toshiba Corp | Three-phase transformer |
FR2683939B1 (en) * | 1991-11-20 | 1993-12-31 | Gec Alsthom Sa | MEDIUM VOLTAGE SELF-DISCONNECTING CIRCUIT BREAKER AND APPLICATION TO A CELL AND A MEDIUM VOLTAGE STATION. |
SE9602079D0 (en) * | 1996-05-29 | 1996-05-29 | Asea Brown Boveri | Rotating electric machines with magnetic circuit for high voltage and a method for manufacturing the same |
DE19641391C1 (en) | 1996-09-27 | 1998-02-19 | Siemens Ag | Hybrid type high-voltage switchgear |
IT1311070B1 (en) | 1999-03-04 | 2002-02-28 | Abb Ricerca Spa | SUBSTATION FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICITY FOR HIGH AND / OR MEDIUM VOLTAGE APPLICATIONS. |
US6369582B2 (en) * | 2000-05-04 | 2002-04-09 | Georgia Tech Research Corporation | System and method for off-line impulse frequency response analysis test |
CN101436462B (en) * | 2007-11-16 | 2012-07-18 | 特变电工股份有限公司 | Wire splice structure of transformer with peripheral voltage regulation change |
DE102007057017A1 (en) | 2007-11-23 | 2009-05-28 | Siemens Ag | Arrangement with a switching device and a transformer |
US20100090543A1 (en) * | 2008-10-10 | 2010-04-15 | General Electric Company | Portable transformer and method for improving reliability of electric power delivery |
US8000102B2 (en) * | 2009-08-20 | 2011-08-16 | Babcock & Wilcox Power Generation Group, Inc. | Apparatus and arrangement for housing voltage conditioning and filtering circuitry components for an electrostatic precipitator |
US20110273255A1 (en) * | 2010-05-10 | 2011-11-10 | Robert Samuel Thompson | Endoskeletal transformer tank |
US8272876B2 (en) * | 2010-07-20 | 2012-09-25 | Magnetic Innovations, L.L.C. | Magnetically enhanced electrical signal conduction apparatus and methods |
EP2856477B1 (en) | 2012-06-05 | 2017-10-18 | Siemens Aktiengesellschaft | Tank for liquid-filled transformers or inductors |
CA2965666C (en) * | 2014-10-24 | 2023-06-27 | Abb Schweiz Ag | A hardened inductive device and systems and methods for protecting the inductive device from catastrophic events |
-
2016
- 2016-04-29 DE DE102016207425.3A patent/DE102016207425A1/en not_active Ceased
- 2016-05-19 US US15/159,336 patent/US10262791B2/en active Active
-
2017
- 2017-04-26 WO PCT/EP2017/059843 patent/WO2017186749A1/en unknown
- 2017-04-26 CN CN202211317333.8A patent/CN115691971A/en active Pending
- 2017-04-26 EP EP17721986.2A patent/EP3440679A1/en active Pending
- 2017-04-26 CA CA3022199A patent/CA3022199C/en active Active
- 2017-04-26 CN CN201780026444.4A patent/CN109074939A/en active Pending
- 2017-04-26 BR BR112018072022-4A patent/BR112018072022B1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN115691971A (en) | 2023-02-03 |
DE102016207425A1 (en) | 2017-11-02 |
CA3022199A1 (en) | 2017-11-02 |
CA3022199C (en) | 2022-11-29 |
US20170316876A1 (en) | 2017-11-02 |
BR112018072022B1 (en) | 2023-04-25 |
US10262791B2 (en) | 2019-04-16 |
CN109074939A (en) | 2018-12-21 |
WO2017186749A1 (en) | 2017-11-02 |
BR112018072022A2 (en) | 2019-02-12 |
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