WO2015044265A1 - Dispositif de protection contre les surtensions - Google Patents

Dispositif de protection contre les surtensions Download PDF

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Publication number
WO2015044265A1
WO2015044265A1 PCT/EP2014/070482 EP2014070482W WO2015044265A1 WO 2015044265 A1 WO2015044265 A1 WO 2015044265A1 EP 2014070482 W EP2014070482 W EP 2014070482W WO 2015044265 A1 WO2015044265 A1 WO 2015044265A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
housing
longitudinal axis
surge arrester
contact element
Prior art date
Application number
PCT/EP2014/070482
Other languages
German (de)
English (en)
Inventor
Markus Sulitze
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to JP2016544754A priority Critical patent/JP6279088B2/ja
Priority to KR1020167008009A priority patent/KR101955078B1/ko
Publication of WO2015044265A1 publication Critical patent/WO2015044265A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/04—Housings

Definitions

  • the invention relates to a surge arrester according to the preamble of patent claim 1.
  • Overvoltage arresters are protective systems, for example, for switchgear systems which, given overvoltages caused by lightning strikes or malfunctions of other subsystems, dissipate these overvoltages to ground and thus protect other components of the switchgear.
  • Such a surge arrester comprises one or more cylindrical diverting elements, which have a varistor column made up of individual, likewise cylindrical varistor elements.
  • Varistor elements are characterized by a voltage-dependent resistance. At low voltages these act as insulators. From a certain threshold voltage, which is material-dependent, they show a good conductivity.
  • varistor elements are made of metal oxides such as zinc oxide.
  • the diverter is limited at both ends by end fittings that make electrical contact with the switchgear and ground. To ensure a good electrical contact even under mechanical stress, the varistor column must be held together under pressure. This can be done by tension members, for example, ropes or rods are preferably clamped in glass fiber reinforced plastic in the end fittings under train. The tension elements surround the varistor column and form a cage around them.
  • overvoltage arresters For use in gas-insulated switchgear, overvoltage arresters have a fluid-tight housing which surrounds the discharge element.
  • the housing is filled to increase the dielectric strength with a fluid, usually Schweielhexa- fluoride.
  • the housing is usually made of metal and is electrically grounded.
  • An end fitting of the Ableit yarn is Grounded via a guided through the housing contact.
  • the other end fitting is electrically connected via a passage with a contact located on the outside of the housing, which serves to connect to the switchgear.
  • the surge arrester must be disconnected from the switchgear because of the high voltages which then occur. Otherwise, the surge arrester would drain the voltage to ground and the measurement result would be falsified. That's why
  • Overvoltage arrester sometimes has a disconnecting device which allows the arrester to be disconnected from the switchgear.
  • the bushing has a high-voltage contact for each diverting element, which establishes a gas-tight electrical connection from the interior of the housing to the exterior of the housing.
  • the bushing is often made of cast resin, into which the high-voltage contacts are cast. The position of the contacts is often specified by the operator or manufacturer of the switchgear. So far, the housing with the arrangement of the diverters and possibly the separator had to be constructed thereon.
  • an overvoltage arrester with three discharge columns is known.
  • the Ableit yarns are arranged radially outwardly offset from the high voltage contacts.
  • a guided through the end fitting of the Ableitiata contact element is displaceable by means of a push rod in the axial direction and makes the connection to the high voltage contact or separates them.
  • All known in the art overvoltage arresters have in common that the location and arrangement of the Ableit yarnlen is determined by the geometry of the high voltage contacts.
  • Object of the present invention is to provide a surge arrester with more flexible design options.
  • an overvoltage absorber has a fluid-tight housing and a discharge element arranged in the fluid-tight housing.
  • the diverter element comprises a diverter column made of varistor elements, an end fitting at each of the ends and tension elements clamped in the end fittings and arranged around the diverter column and aligned with its longitudinal axis parallel to the housing axis.
  • the surge arrester comprises a leadthrough with a high voltage contact electrically connecting the interior to the exterior of the housing (2) and a contact element electrically connected to the drainage element and via which an electrical connection can be made from the drainage element to the high voltage contact.
  • the contact element is arranged eccentrically to the longitudinal axis and the position of the contact element is adjustable in a plane perpendicular to the longitudinal axis.
  • the contact element can be adjusted to different positions of the high-voltage contact and / or the diverting element can be positioned differently within the setting limits of the contact element.
  • the surge arrester can be adapted to bushings with different arrangements of the high voltage contacts, without this resulting in structural changes to other components.
  • the diverting element can be arranged independently of the arrangement of the high-voltage contact, whereby a more flexible construction is made possible.
  • the contact element is connected by an eccentric disc with the discharge element.
  • the eccentric disk is rotatable about the longitudinal axis.
  • the contact element is eccentric on the eccentric, so spaced from the longitudinal axis and mechanically and electrically connected thereto.
  • the eccentric disk is made of an electrically conductive material.
  • a rotation of the eccentric disc about the longitudinal axis causes a rotation of the contact element about this on a circular path.
  • the high voltage contact can now be positioned anywhere on this circular path. If the position of the high-voltage contact and thus of the contact element is fixed, the diverting element can be arranged arbitrarily on the circular path around the contact element.
  • the contact element is designed like a pin and in an eccentric to
  • the eccentric disc has a cylindrical recess which is concentric with the longitudinal axis. In this recess an end fitting of the discharge element can be inserted. If end fitting and recess are round, then the eccentric disc can rotate freely around the end fitting. Also possible is a polygonal design of end fitting and recess. Then the eccentric disc can be rotated in steps corresponding to the number of corners around the longitudinal axis of the end fitting.
  • the contact element is arranged in both variants on the recess of the opposite side of the eccentric disc. In this way, a rotatable electrical and mechanical connection between the discharge element and the eccentric disc can be produced particularly simply by plugging together.
  • the contact element is displaceable parallel to the longitudinal axis by means of a displacement device.
  • This is an electrical Connection between diverting element and high-voltage contact can be produced or separated.
  • the displacement device is preferably adjustable to different positions of the contact element.
  • the contact element in the guide bore of the eccentric disc in the longitudinal direction that is guided parallel to the longitudinal axis, slidably guided.
  • the displacement device has a connecting rod connected to the contact element and a gas-tight from the inside of the housing outwardly and outside the housing by an actuator movable central rod.
  • a coupling element is connected to the central rod and to the push rod, wherein the coupling element is connected to the push rod by means of a connecting element.
  • the connecting element is guided by a guide rod connected to the housing in a direction parallel to the longitudinal axis. This ensures an independent of the discharge element leadership of the connecting element and thus the push rod.
  • the guide rod is connected to a first end fixed to the housing cover. This allows a particularly simple installation.
  • a second end of the guide rod inserted through a hole in the connecting element and the connecting element along the guide rod is displaceable. This also serves for easier installation.
  • the coupling element has an arm which is connected to the coupling block and inserted into a bore of the connecting element. It attacks the guide rod in a groove of the arm so that the connecting element is fixed in a direction perpendicular to the longitudinal axis direction. This allows a simple mating of the displacement device without gluing, screws or other fixing means.
  • an intermediate piece is arranged in the housing, which has a first end fitting which is connected concentrically to the longitudinal axis with the high-voltage contact and a second end fitting which is inserted into a second eccentric disk.
  • the contact element is inserted into a second guide bore of the second eccentric disc.
  • the means of the intermediate piece allows a housing with a certain length to be fitted with drainage elements of different lengths. The length compensation takes place by the opposite to the diverting considerably simpler spacers.
  • the two eccentric discs are rotatably arranged around the respective end fitting, the contact element connects both. As a result, the diverting element and intermediate piece can be positioned freely relative to one another in a wide range.
  • the intermediate piece has a second discharge element.
  • the number of varistor elements required for a particular switchgear is thus divided between two discharge elements. The smaller part is arranged in the second discharge element.
  • the surge arrester has a plurality of diverting elements and a plurality of high-voltage contacts, wherein the number of diverting elements is equal to that of the high-voltage contacts.
  • the diverting elements are preferably arranged rotationally symmetrically on a first pitch circle about the housing axis.
  • the high-voltage contacts are also preferably rotationally symmetrical arranged on a second pitch circle around the housing axis.
  • Each of the diverting elements has an adjustable contact element.
  • the con- Clock elements are set so that their position is on the second pitch circle. Discharge elements and high voltage contacts can thus lie on different pitch circles. With a constant diameter of the first sectionkrei- ses the contact elements are adjustable to different diameters of the second pitch circle.
  • the surge arrester can be adjusted with a constant arrangement of the diverting elements on feedthroughs with a different arrangement of the high-voltage contacts.
  • a fuselage surge arrester that is to say an overvoltage arrester without leadthrough, can be prefabricated and installed with different feedthroughs to form an overvoltage arrester, during assembly of which the contact elements are adjusted to the respective arrangement of the high-voltage contacts in the bushing.
  • FIG. 3 a further embodiment of a surge arrester according to the invention
  • Figure 5 is a detail of a displacement device
  • FIGS 1 and 2 show a surge arrester 1.
  • a fluid-tight housing 2 in which the substantially cylindrical housing wall is not shown, here are three discharge elements 5 which are provided for the protection of a three-phase gas-insulated switchgear in a triangle rotationally symmetrical order a housing axis 50 arranged on a first pitch circle 30.
  • These diverting elements 5 each have a cylindrical diverter column 12, a high-voltage divider n
  • the Ableit yarn 12 is composed of individual, also cylindrical Varistorblöcken.
  • the end fittings 6, 7 are usually made of electrically conductive material.
  • the tension elements 11 are pressed in the end fittings 6, 7 under train and so keep the Ableit yarn 12 together.
  • the housing 2 is substantially cylindrical. Along the cylinder axis extends the housing axis 50, which defines an axial direction.
  • the discharge element 5 is aligned with its longitudinal axis 40 parallel to this housing axis 50. At the two top surfaces, the housing 2 is closed fluid-tight.
  • a ground contact 3 is electrically isolated by a not shown earth-side implementation by the
  • Housing cover 22 is guided from the inside to the outside of the housing 2 and serves the ground terminal. Inside the housing 2, this ground contact 3 is electrically conductively connected to the diverting element 5. If a plurality of diverting elements 5 are arranged in the housing 2, each diverting element 5 is connected to its own earth contact 3.
  • the earth-side end fitting 6 is spaced from the housing cover 22 with an insulating disk 25 and secured to the ground-side bushing.
  • the housing cover 22 has a connection, not illustrated here, via which a fluid, for example sulfur hexafluoride, can be introduced into the housing 2 or drained off.
  • the housing 2 may also have other facilities such as a maintenance opening or a burst protection.
  • the top surface of the housing 2 is provided with a high-voltage bushing 14 to the high voltage electrical potential without danger of a rollover between high voltage and grounded housing 2 from the outside into the housing 2 into to lead.
  • the bushing 14 is designed here as a three-pole feedthrough 14, which leads three high voltage contacts 4, insulated against each other and against the housing, into the housing 2.
  • the high-voltage contacts 4 are arranged rotationally symmetrically about the housing axis 50 on a second pitch circle 31.
  • the surge arrester 1 can be connected to a three-phase gas-insulated switchgear, not shown here.
  • the high-voltage contacts 4 protrude into the housing 2.
  • they On the inside of the housing 2, they have a blind hole into which a contact element 9 can be inserted.
  • an embodiment is possible in which the contact element 9 bears against the inside of the high-voltage contact 4.
  • a hood-like eccentric 60 is attached and optionally secured with set screws.
  • the eccentric disk 60 has on its underside a cylindrical recess 62, which corresponds in shape and size of the high-voltage side end fitting 7.
  • the outer corners and edges of the eccentric disc 60 are rounded to avoid field peaks. If the eccentric disk 60 is attached to the high-voltage-side end fitting 7, it can be rotated about a central axis of the discharge element 5 as an axis of rotation.
  • the contact element 9 is arranged on the outside of the eccentric disc 60 spaced from the axis of rotation.
  • FIGS. 1 and 2 show surge arresters 1 with different arrangements of the high-voltage contacts 4.
  • the high-voltage contacts have a greater distance from the housing axis 50 than those of FIG. 1, correspondingly a larger diameter of the second pitch circle 31.
  • the arrangement of the diverting elements 5 and thus the diameter of the first pitch circle 30 is the same in both figures.
  • the eccentric discs 60 are rotated in the figure 2 with respect to those of Figure 1 corresponding to the larger diameter of the second pitch circle 31 to the outside and thus set to the opposite to Figure 1 different arrangement of the high voltage contacts 9. It is thus possible to install feedthroughs 14 with different arrangements of the high-voltage contacts 9 in the surge arrester 1 without this having any influence on the arrangement of the diverting elements 5.
  • the diverting element 5 has an eccentric disk 60 around the end fitting 7, on which a contact element 9 is arranged.
  • a second discharge element 70 is arranged in the housing 2.
  • the second discharge element 70 is connected to the first end fitting 71 with the high-voltage contact 4.
  • a toroidal screen 73 around the first end armature 71 provides a uniform field distribution.
  • a second end fitting 72 of the second discharge element 70 is inserted into an eccentric disk 74.
  • This eccentric disk 74 has a bore instead of a contact element 9.
  • the longitudinal axis of the second discharge element 70 is arranged centrally with the high-voltage contact 4.
  • the longitudinal axis of the discharge element 5 is arranged off-center.
  • the eccentric discs 60 and 74 can be rotated against each other so that the contact element 9 can be inserted into the bore of the eccentric disc 74.
  • the discharge element 5 can be arranged more flexibly on the cover 22 and does not have to be arranged on the cover 22 in the middle as before.
  • a greater scope for the placement of other components such as the actuator 23, filling devices for the insulating fluid, monitoring devices and the like achieved.
  • the second discharge element 70 can also be dispensed with and the eccentric disk 74 can be placed directly on the high-voltage contact 4.
  • the surge arrester can be easily adapted to different requirements.
  • the number of varistor elements required is determined by the specification of the switchgear among other things by the voltage level. Previously, different specifications required a diverter element 5 of different lengths. As a result, either the housing 2 had to be adapted to the required length of the discharge element 5, or the discharge element 5 was extended by inserted into the discharge column 12 conductive inserts in order to use a housing 2 of a certain size.
  • the fact that the number of required varistor elements is divided into two diverting elements 5, 70 reduces the production and storage costs.
  • a lead-out element 5 whose length corresponds to the smallest occurring length is prefabricated.
  • the second diverter element 70 is prefabricated either in the most commonly required lengths, or made as needed. Since the second discharge element 70 has fewer varistor elements, such as the discharge element 5, only a relatively small component has to be manufactured or held in a certain number of variants. All other components such as the diverter 5, the housing 2 or optionally the actuator 23 remain the same for all or at least several variants and can be made more economical.
  • the second diverter element 70 may also be replaced by a cylindrical conductive spacer, for example a metal cylinder. Thus, the same housing size can be used, even if no further varistor elements are required in addition to the varistor elements installed in the diverting element 5.
  • FIGS. 1, 2 and 3 also show an optional separating device comprising a separating point 10 and a displacement device. direction 8 for the contact element 9.
  • the separation point 10 can be closed with a contact element 9.
  • the contact element 9 is designed as a pin or sleeve cylindrical, and can be moved in a guide bore 26 of the eccentric disc 60 in the axial direction.
  • Guide bore 26 and the contact element 9 are coordinated so that both a mechanical guide, as well as a good electrical connection between the contact element 9 and eccentric disc 60 is.
  • grinding or sliding contacts such as the contact blades 61 inserted annularly into the contact element 9, can establish the electrical connection. If the contact element 9 is moved to the high-voltage contact 4, then the separation point 10 is closed.
  • the end fitting 7 is completely inserted into the recess 62.
  • the outer edges of the eccentric disc 60 are rounded to avoid field peaks.
  • the eccentric disc 60 thus ensures at the same time a shielding of the end fitting 7.
  • the connection between the contact element 9 and high-voltage contact 4 is designed here as a plug contact.
  • the contact element is inserted into a contact bore 63 of the high voltage contact 4.
  • contact 61 for a good mechanical and electrical contact between contact element 9 and high voltage contact. 4
  • the movement of the contact element 9 takes place by means of a displacement device 8, which is shown in FIG.
  • This has an actuating device 23, a central rod 16, a coupling element 17 and push rods 15.
  • the actuating device 23 located outside the housing 2 is connected to the central rod 16, which is guided gas-tightly into the housing 2.
  • the coupling element 17 is arranged in the interior of the housing 2.
  • Central rod 16 and coupling element 17 thereby form a threaded drive in that the central rod 16 has an external thread and the coupling element 17 has a corresponding internal thread, for example a trapezoidal thread.
  • On the coupling element 17 is ever
  • Discharge element 5 is arranged a radially outwardly pointing arm 19, at the outer end of a connecting element 20 for receiving the push rods 15 is arranged.
  • the push rods 15 are fixed at one end in this connecting element 20 and connected to the other end with the contact element 9, for example screwed or glued.
  • a guide rod 28 is attached, for example screwed as shown here.
  • the guide rod 28 projects parallel to the housing axis 50 into the housing 2.
  • the other end is inserted into a bore of the connecting element 20.
  • the connecting element can thus slide up and down on the guide rod 28 and is thereby guided in the longitudinal direction.
  • the central rod 16 rotates in the interior of the housing 2 and transmits the rotary movement of the actuator 23 by means of the coupling element 17, the arms 19 and the connecting elements 20 on the push rods 15 and thus on the contact elements 9.
  • the coupling element 17 the arms 19 and the connecting elements 20 on the push rods 15 and thus on the contact elements 9.
  • the separation point 10 is opened or closed.
  • the holes for the guide rod 28 and the push rod 15 are arranged in the connecting element 20 so that they can be reversed by the connecting element 20 to 180 ° is rotated about the arm 19. In the same position of the guide rod 28, this results in a different position of the push rod 15.
  • the eccentric 60 can be adjusted to two positions by only the connecting element 20 is rotated. By replacing the connecting element 20, further positions of the eccentric disk 60 can be adjusted.

Abstract

L'invention concerne un dispositif de protection contre les surtensions (1) comprenant un boîtier (2) étanche aux fluides, un élément de déviation (5) disposé dans le boîtier (2) étanche aux fluides et présentant un axe longitudinal (40), un contact haute tension (4), lequel relie électriquement l'intérieur à l'extérieur du boîtier (2) et un élément de contact (9) permettant d'établir une liaison électrique entre l'élément de déviation (5) et le contact haute tension (4). Selon l'invention, l'élément de contact (9) est disposé de manière excentrée par rapport à l'axe longitudinal (40) et la position de l'élément de contact (9) dans un plan perpendiculaire à l'axe longitudinal (40) est réglable. De manière avantageuse, l'élément de déviation (5) peut être positionné en grande partie indépendamment du contact haute tension (4).
PCT/EP2014/070482 2013-09-30 2014-09-25 Dispositif de protection contre les surtensions WO2015044265A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016544754A JP6279088B2 (ja) 2013-09-30 2014-09-25 サージアレスタ
KR1020167008009A KR101955078B1 (ko) 2013-09-30 2014-09-25 서지 피뢰기

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13186634.5A EP2854141B1 (fr) 2013-09-30 2013-09-30 Paratonnerre
EP13186634.5 2013-09-30

Publications (1)

Publication Number Publication Date
WO2015044265A1 true WO2015044265A1 (fr) 2015-04-02

Family

ID=49263206

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/070482 WO2015044265A1 (fr) 2013-09-30 2014-09-25 Dispositif de protection contre les surtensions

Country Status (6)

Country Link
EP (1) EP2854141B1 (fr)
JP (1) JP6279088B2 (fr)
KR (1) KR101955078B1 (fr)
DK (1) DK2854141T3 (fr)
PL (1) PL2854141T3 (fr)
WO (1) WO2015044265A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017038056A (ja) * 2015-08-12 2017-02-16 シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ カプセル封止形サージアレスタ
WO2023021033A1 (fr) * 2021-08-16 2023-02-23 Siemens Energy Global GmbH & Co. KG Parafoudre

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016206580A1 (de) * 2016-04-19 2017-11-02 Siemens Aktiengesellschaft Anordnung zum Überspannungsschutz einer mit einer Isolierflüssigkeit isolierten elektrischen Anlage
JP6595428B2 (ja) * 2016-09-16 2019-10-23 株式会社東芝 避雷器

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WO2008028724A1 (fr) * 2006-09-07 2008-03-13 Dehn + Söhne Gmbh + Co. Kg Parafoudre comprenant un boîtier et au moins un élément de dérivation
WO2011054524A1 (fr) * 2009-11-05 2011-05-12 Phoenix Contact Gmbh & Co. Kg Élément de protection contre les surtensions
WO2012168112A1 (fr) 2011-06-10 2012-12-13 Siemens Aktiengesellschaft Coupe-circuit de surtension
DE102012217310A1 (de) 2012-09-25 2014-03-27 Siemens Aktiengesellschaft Überspannungsableiter

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US3912965A (en) * 1970-12-14 1975-10-14 Naoya Yamada Spark gap device for lightning arrester
JPS5947435B2 (ja) * 1974-12-25 1984-11-19 三菱電機株式会社 避雷装置
JPS5915442Y2 (ja) * 1978-03-18 1984-05-08 三菱電機株式会社 避雷装置
JPH0427101A (ja) * 1990-05-22 1992-01-30 Ngk Insulators Ltd 避雷素子
JPH0412604U (fr) * 1990-05-24 1992-01-31
JP2744149B2 (ja) * 1991-07-04 1998-04-28 株式会社東芝 避雷器
JP3849165B2 (ja) * 1996-02-23 2006-11-22 株式会社明電舎 避雷装置
JPH10322822A (ja) * 1997-05-16 1998-12-04 Toshiba Corp ガス絶縁開閉装置用避雷器
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EP2466596B1 (fr) * 2010-12-16 2013-08-28 ABB Research Ltd. Composant doté d'une protection contre les surtensions et leur procédé de contrôle

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Publication number Priority date Publication date Assignee Title
WO2008028724A1 (fr) * 2006-09-07 2008-03-13 Dehn + Söhne Gmbh + Co. Kg Parafoudre comprenant un boîtier et au moins un élément de dérivation
WO2011054524A1 (fr) * 2009-11-05 2011-05-12 Phoenix Contact Gmbh & Co. Kg Élément de protection contre les surtensions
WO2012168112A1 (fr) 2011-06-10 2012-12-13 Siemens Aktiengesellschaft Coupe-circuit de surtension
DE102012217310A1 (de) 2012-09-25 2014-03-27 Siemens Aktiengesellschaft Überspannungsableiter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017038056A (ja) * 2015-08-12 2017-02-16 シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ カプセル封止形サージアレスタ
WO2023021033A1 (fr) * 2021-08-16 2023-02-23 Siemens Energy Global GmbH & Co. KG Parafoudre

Also Published As

Publication number Publication date
PL2854141T3 (pl) 2020-08-24
JP2016537826A (ja) 2016-12-01
KR20160046905A (ko) 2016-04-29
KR101955078B1 (ko) 2019-03-06
EP2854141B1 (fr) 2020-03-25
JP6279088B2 (ja) 2018-02-14
DK2854141T3 (da) 2020-06-02
EP2854141A1 (fr) 2015-04-01

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