WO2016066187A1 - Ensemble convertisseur de puissance à électrodes recouvertes de matériau isolant - Google Patents

Ensemble convertisseur de puissance à électrodes recouvertes de matériau isolant Download PDF

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Publication number
WO2016066187A1
WO2016066187A1 PCT/EP2014/073069 EP2014073069W WO2016066187A1 WO 2016066187 A1 WO2016066187 A1 WO 2016066187A1 EP 2014073069 W EP2014073069 W EP 2014073069W WO 2016066187 A1 WO2016066187 A1 WO 2016066187A1
Authority
WO
WIPO (PCT)
Prior art keywords
power converter
converter assembly
insulating material
conducting member
electrically conducting
Prior art date
Application number
PCT/EP2014/073069
Other languages
English (en)
Inventor
Ming Li
Erik Persson
Dong Wu
Mats Hyttinen
Liliana AREVALO
Nan Chen
Olof Hjortstam
Original Assignee
Abb Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abb Technology Ltd filed Critical Abb Technology Ltd
Priority to PCT/EP2014/073069 priority Critical patent/WO2016066187A1/fr
Publication of WO2016066187A1 publication Critical patent/WO2016066187A1/fr

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Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/40—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes epoxy resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/46—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes silicones
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • H05K7/14339—Housings specially adapted for power drive units or power converters specially adapted for high voltage operation
    • 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 present invention generally relates to the field of power systems such as electrical power distribution or transmission systems, e.g. High Voltage Direct Current (HVDC) power transmission systems.
  • HVDC High Voltage Direct Current
  • the present invention relates to a power converter assembly having an electrically conducting member or electrode on which there is provided an insulating material, which power converter assembly may be used in a power system.
  • High Voltage Direct Current (HVDC) power transmission is becoming increasingly important due to increasing need for power supply or delivery and interconnected power transmission and distribution systems.
  • HVDC High Voltage Direct Current
  • An HVDC converter station is a type of station configured to convert between high voltage direct current (DC) and alternating current (AC).
  • An HVDC converter station may comprise a plurality of elements such as a converter or a plurality of converters connected in series or in parallel.
  • Converters may comprise a plurality of solid-state based devices such as semiconductor devices and may be categorized as line-commutated converters, using e.g. thyristors as switches, or voltage source converters, using transistors such as insulated gate bipolar transistors (IGBTs) as switches (or switching devices).
  • IGBTs insulated gate bipolar transistors
  • a plurality of solid-state semiconductor devices such as thyristors or IGBTs may be connected together, for instance in series, to form a building block, or cell, of an HVDC converter, which may also be referred to as an HVDC converter valve.
  • the solid-state semiconductor devices in the HVDC converter may at times be in a conducting mode in which they are conducting current and at other times be in a blocking mode, in order to attain a desired or required wave form of the current, as known in the art.
  • a power system such as a HVDC power system
  • a power system which are operated at relatively high DC voltages in order to reduce or eliminate the risk of partial discharges, arcing or flashovers occurring between the component and for example a wall, floor or ceiling within a building in which the component is arranged.
  • an HVDC converter is often arranged in a purpose-built building, which may be referred to as a valve hall or converter hall, for accommodating the HVDC converter.
  • a desire or need for more compact designed DC converters may pose another challenge for the electrical insulation design.
  • an increase in switching impulse (SI) and lightning impulse (LI) breakdown strength in air (and/or another fluid) gaps between high voltage components and objects in their surroundings, such as, for example, a wall, floor or ceiling may be required.
  • SI switching impulse
  • LI lightning impulse
  • the air clearance between a converter and the walls, floor and ceiling of the converter hall should conform to security requirements.
  • the dimensions of the converter hall may depend at least in part on the required or intended operating voltage of the electrical power distribution or transmission system. In general, the higher the operating voltage or rated voltage, the larger the air clearance that is required.
  • the dimensions of the converter hall may among other things also depend on presence of any buildings adjacent the converter hall.
  • Converter hall size and/or dimension(s) may depend directly on the air clearances required between earthed walls, ceilings and/or floors of the converter hall and the different energized elements accommodated within the converter hall, e.g. corona shields for shielding converter assemblies and/or busbars electrically connecting different energized elements.
  • corona discharge is an electrical discharge brought on by the ionization of a fluid surrounding a conductor which is electrically energized. Corona discharge may occur when the gradient of the electric field around the conductor is sufficiently high so as to form a conductive region. The lowest voltage at which continuous corona of specified amplitude may occur as the applied voltage is gradually increased may be referred to as the corona inception voltage.
  • corona inception voltage may depend on the configuration of any corona shield arranged so as to shield energized elements of the power converter assembly.
  • appropriate design and/or construction of the corona shield may facilitate or even enable reducing the required air clearances, and reduce or even eliminate pre-discharge during use of the power converter assembly.
  • a concern of the present invention is to facilitate or enable reducing the required air clearance between a power converter assembly for use in a power system and objects in the surroundings of the power converter assembly, such as a wall, floor or ceiling within a building in which the power converter assembly is arranged.
  • a further concern of the present invention is to facilitate or enable reducing a size or dimension of a building in which a power converter assembly for use in a power system is arranged.
  • an insulating material may be provided e.g. in the form of a layer, cover or coating on a surface of energized elements of the power converter assembly.
  • the corona inception voltage may be increased significantly by means of providing an insulating material on or coupled to a surface of the energized elements of the power converter assembly, compared to if the energized elements are 'bare'.
  • the insulating material may for example include dielectric material such as epoxy and/or silicone. Insulating material, e.g. in the form of a coating or layer, may be provided e.g.
  • insulating material may in addition or in alternative be provided on other energized components of the power converter assembly.
  • the energized components of the power converter assembly which may be provided with insulating material, e.g. on an outer surface thereof, may be
  • 'inner' components i.e. components that are located within or internally with respect to the power converter assembly
  • insulating material e.g. on an outer surface thereof.
  • a power converter assembly for converting between alternating current power and direct current power.
  • the power converter assembly comprises a converter cell and an electrically conducting member electrically connected to the converter cell.
  • An insulating material is provided on at least an outer surface of the electrically conducting member, for increasing corona inception voltage for corona discharge at the at least an outer surface of the electrically conducting member.
  • the required air clearance (e.g. for the rated, required or desired operating DC voltage of the power system) between the power converter assembly or the electrically conducting member and other objects in the
  • surroundings of the power converter assembly such as earthed walls, ceilings and/or floors in a building in which the power converter assembly is arranged or located, may be decreased.
  • SI switching impulse
  • LI lighting impulse
  • a positive SI voltage may be an important dimensioning parameter in designing and/or constructing a power converter assembly and possibly the converter hall.
  • an appropriate design of the corona shield may be required. Thereby, the required air clearance between the power converter assembly or the electrically conducting member and other objects in the
  • the air clearance which may be required for positive LI and SI voltages between the power converter assembly or the electrically conducting member and other objects in the surroundings of the power converter assembly may be decreased.
  • the positive impulse insulation strength of air gaps may be significantly increased by means of the insulating material provided on at least an outer surface of the electrically conducting member, compared to if the electrically conducting member would be 'bare'.
  • the power converter assembly may be arranged closer to other objects in the surroundings of the power converter assembly.
  • two power converter assemblies may be arranged relatively close to each other in the converter hall.
  • the increase in corona inception voltage when employing coating and/or layer of dielectric material with a relatively large thickness, e.g. between 1 mm to 3 mm, may be related to reduction of electric field stress on the electrically conducting member due to the coating, cover and/or layer of dielectric material, and/or presence of space charge.
  • increase in corona inception voltage when employing coating, cover and/or layer of dielectric material with a relatively small thickness, e.g. below 1 mm may be related to suppression of field emission, i.e. emission of electrons from the surface of the electrically conducting member when subjected to a relatively high electric field.
  • the power converter assembly may comprise a plurality of converter cells, and a plurality of electrically conducting members electrically connected to the plurality of converter cells.
  • an electrically conducting member being electrically connected to the converter cell it may be meant that the electrically conducting member is directly electrically connected to the converter cell. However, the electrically conducting member may be indirectly electrically connected (e.g. via one or more intermediate components) to the converter cell.
  • the power converter assembly may be for use in a power system, such as a HVDC power system.
  • a power system such as a HVDC power system.
  • the power converter assembly is not limited to use in HVDC power systems. Nevertheless, according to an example the power converter assembly may be included in, or be constituted by, a HVDC converter.
  • the electrically conducting member may for example comprise a corona shield arranged in relation to the converter cell so as to shield the converter cell.
  • the electrically conducting member may comprise an electrical conductor such as a busbar, which electrical conductor is configured to electrically connect the power converter assembly to another component included in the power system.
  • the electrically conducting member such as a corona shield and/or an electrical conductor such as a busbar, may be made of a material for example including a metallic material, e.g. including one or more metals, e.g. Al, or metal alloys. However, in principle any material that has a sufficiently high electrical conductivity may be employed.
  • the insulating material may for example comprise a dielectric material.
  • the insulating material may for example be provided on the at least an outer surface of the electrically conducting member by way of a coating, cover(ing) and/or a layer of the insulating material. At least a portion of the coating, cover and/or layer may have a thickness between about 1 mm and 3 mm. According to an example, the thickness of the coating, cover and/or layer may be between about 1 mm and 3 mm over the whole coating, cover and/or layer.
  • the coating, cover and/or layer may have a smooth, regular surface, or a rough, irregular surface.
  • the coating, cover and/or layer may include portions having different degrees of surface roughness and/or smoothness. According to one example, substantially the entire surface of the coating, covering and/or layer is smooth.
  • any puncture point(s) or region(s) of the insulation layer can be filled with new insulating material e.g. during maintenance.
  • the insulating material may for example include at least one material selected from a group comprising epoxy and silicone, or silicone rubber. However, these are merely examples and other insulating materials may in alternative or in addition be employed.
  • the coating, cover and/or layer of the insulating material may be coupled to the at least an outer surface of the electrically conducting member via a semiconductor layer, such that the semiconductor layer is arranged between the coating, cover and/or layer of the insulating material and the at least an outer surface of the electrically conducting member.
  • the semiconductor layer may for example be sandwiched or bonded between the coating, cover and/or layer of the insulating material and the at least an outer surface of the electrically conducting member.
  • the semiconductor layer may facilitate coupling of the insulating material to the at least an outer surface of the electrically conducting member.
  • the semiconductor layer may alleviate differences in resistance between the insulating material and the electrically conducting member.
  • the insulating material may hence be indirectly connected or coupled, i.e.
  • the insulating material may be directly connected or coupled to the at least an outer surface of the electrically conducting member, i.e. without any intermediate component therebetween.
  • a power system comprising a power converter assembly according to the first aspect.
  • an electrically conducting member for use in a power converter assembly according to the first aspect, wherein an insulating material is provided on at least an outer surface of the electrically conducting member for increasing corona inception voltage for corona discharge at the at least an outer surface of the electrically conducting member.
  • Figure 1 is schematic block diagram of a power converter assembly according to an embodiment of the present invention.
  • Figure 2 is a schematic sectional side view of a power converter assembly according to another embodiment of the present invention.
  • Figure 3 is a schematic sectional side view of a portion of a corona shield in accordance with an embodiment of the present invention.
  • Figure 4 is a schematic sectional side view of a busbar in accordance with an embodiment of the present invention.
  • FIG. 1 is schematic block diagram of a power converter assembly 100 according to an embodiment of the present invention for use in a power system.
  • the power converter assembly 100 comprises a cell or valve 150 electrically connected to an electrical conductor 200 such as a busbar configured to electrically connect the power converter assembly 100 to another component which may be included in the power system.
  • the power converter assembly 100 further comprises a corona shield 250 electrically connected to the cell 150.
  • the cell 150 may for example include a plurality of solid-state semiconductor devices such as thyristors or IGBTs which may be connected together, for instance in series, to form a building block of a power converter. Although only a single cell 150 is illustrated in Figure 1, the power converter assembly 100 may include a plurality of cells 150, e.g. tens or hundreds of electrically connected cells.
  • the power converter assembly 100 is arranged at a distance d_ ⁇ from an object 110, which for example may be a wall, a ceiling or a floor in a building in which the power converter assembly 100 is arranged.
  • the electrical conductor 200 is arranged at a distance d_2 from the object 110.
  • One or both of the electrical conductor 200 and the-corona shield 250 may be provided with an insulating material provided on an outer surface of the electrical conductor 200 and the corona shield 250, respectively, for increasing corona inception voltage for corona discharge at the outer surface of the electrical conductor 200 and the electromagnetic shield 250, respectively.
  • the electrical conductor 200 and/or the corona shield 250 may be made of a material for example including a metallic material, e.g. including one or more metals, e.g. Al, or metal alloys.
  • the electrical conductor 200 and/or the-corona shield 250 may in principle be made of any material that has a sufficiently high electrical conductivity.
  • the insulating material which for example may include a dielectric material, may for example be provided on an outer surface of the electrical conductor 200 and the corona shield 250, respectively, by way of a coating, cover and/or a layer of the insulating material, which for example may comprise a dielectric material, possibly with a thickness between about 1 mm and 3 mm.
  • the insulating material which for example may comprise a dielectric material, may for example include epoxy and/or silicone or silicone rubber.
  • corona shield 250 as illustrated in Figure 1 is according to an example. Other shapes are possible and are within the scope of embodiments of the present invention.
  • FIG 2 is a schematic sectional side view of a power converter assembly 100 according to an embodiment of the present invention.
  • the power converter assembly 100 comprises a plurality of cells 150, or valves, arranged in two stacks, each stack including several cells 150.
  • the stacks of cells 150 are suspended from a ceiling 120 of a building (not shown in Figure 2) in which the power converter assembly 100 is arranged or located, by means of insulators 130 which extend through central holes in the cells 150.
  • the cells 150 are arranged on top of each other and are electrically connected.
  • there may be other object(s) in the surroundings of the power converter assembly 100 such as a wall or floor. Between such other objects (not shown in Figure 2) there may be an air gap.
  • the power converter assembly 100 may in principle comprise any number of stacks of cells 150, e.g. a single stack of cells 150. Further, the cells 150 must not necessarily be arranged in stacks, and other arrangements are possible and are within the scope of embodiments of the present invention.
  • the power converter assembly 100 comprises a top corona shield 260 and bottom corona shield 270, arranged at the top and bottom of the stacks of cells 150, respectively.
  • top and bottom refer to a longitudinal direction of the stacks.
  • the top corona shield 260 and/or the bottom corona shield 270 may be provided with through-holes for allowing passage of the insulators 130 therethrough and for effecting coupling or connection of the top-corona shield 260 and/or the bottom corona shield 270 to the stack(s) of cells 150.
  • the power converter assembly 100 may comprise corona shields 280 arranged around the cells 150. As indicated in Figure 2, there may be a separation between adjacent corona shields 280, and also between the top corona shield 260 and the corona shields 280 adjacent to the top corona shield 260, and between the bottom corona shield 270 and the corona shields 280 adjacent to the bottom corona shield 270. It is to be understood that only some of the cells 150 and some of the corona shields 280 arranged around the cells 150 are indicated by reference numerals in Figure 2.
  • the power converter assembly 100 comprises electrical conductors 160 between cells 150 and the corona shields 280, and electrical conductors 1 between one of the cells 150 and the top corona shield 260 and between another one of the cells 150 and the bottom corona shield 270, respectively. Only a few of the electrical conductors 160 between cells 150 and the corona shields 280 are indicated by reference numerals 160 in Figure 2.
  • At least one of the corona shields 260, 270, 280 illustrated in Figure 2 may be provided with an insulating material provided on an outer surface of the respective corona shield 260, 270, 280, for increasing corona inception voltage for corona discharge at the outer surface of the respective corona shield 260, 270, 280.
  • Each of the corona shields 260, 270, 280 illustrated in Figure 2 may be made of a material for example including a metallic material, e.g. including one or more metals, e.g. Al, or metal alloys.
  • each of the corona shields 260, 270, 280 illustrated in Figure 2 may in principle be made of any material that has a sufficiently high electrical conductivity.
  • the insulating material which for example may include a dielectric material, may for example be provided on an outer surface of the respective corona shield 260, 270, 280 by way of a coating, cover and/or layer of the insulating material, which for example may comprise a dielectric material, possibly with a thickness between about 1 mm and 3 mm.
  • the insulating material which for example may comprise a dielectric material, may for example include epoxy and/or silicone or silicone rubber. However, other types of insulating materials may in alternative or in addition be used.
  • each of the corona shields 260, 270, 280 illustrated in Figure 2 is according to an example. Other shapes are possible and are within the scope of embodiments of the present invention.
  • any electrical conductors between the stacks of cells 150 that may be included in the power converter assembly 100 are not shown in Figure 2.
  • FIG. 3 is a schematic sectional side view of a portion of a corona shield 290 in accordance with an embodiment of the present invention, for use in a power converter assembly.
  • the corona shield 290 is provided with an insulating material in the form of a layer, cover or coating 292 coupled to an outer surface 294 of the corona shield 290.
  • the layer, cover or coating 292 of the insulating material is coupled to the outer surface 294 of the corona shield 290 via a semiconductor layer 296, such that the semiconductor layer 296 is arranged between the layer, cover or coating 292 of the insulating material and the outer surface 294 of the corona shield 290.
  • the semiconductor layer 296 may for example be sandwiched or bonded between the layer, cover or coating 292 of the insulating material and the outer surface 294 of the corona shield 290.
  • the semiconductor layer 296 may facilitate coupling of the insulating material to the outer surface 294 of the corona shield 290.
  • the semiconductor layer 296 may alleviate differences in resistance between the insulating material and the corona shield 290.
  • the corona shield 290 a portion of which is illustrated in Figure 3, may for example be a corona shield 280 arranged around a cell 150 in a power converter assembly 100 such as described with reference to Figure 2, or a top corona shield 260 or a bottom corona shield 270 in a power converter assembly 100 such as described with reference to Figure 2.
  • Figure 4 is a schematic sectional side view of a busbar 300 in accordance with an embodiment of the present invention, for use in a power converter assembly.
  • Figure 4 illustrates a cross section of the busbar 300 along a longitudinal direction thereof.
  • the busbar 300 is provided with an insulating material in the form of a layer, cover or coating 302 coupled to an outer surface 304 of the busbar 300.
  • the layer, cover or coating 302 of the insulating material is coupled to the outer surface 304 of the busbar 300 via a semiconductor layer 306, such that the semiconductor layer 306 is arranged between the layer, cover or coating 302 of the insulating material and the outer surface 304 of the busbar 300.
  • the semiconductor layer 306 may for example be sandwiched or bonded between the layer, cover or coating 302 of the insulating material and the outer surface 304 of the busbar 300.
  • the semiconductor layer 306 may facilitate coupling of the insulating material to the outer surface 304 of the busbar 300.
  • the semiconductor layer 306 may alleviate differences in resistance between the insulating material and the busbar 300.
  • the shape of the corona shield 290 as illustrated in Figure 3 and the shape of the busbar 300 as illustrated in Figure 4 are according to examples. Other shapes are possible and are within the scope of embodiments of the present invention.
  • the corona shield 290 must not necessarily have a curved shape but may for example exhibit a substantially flat, plate like configuration.
  • the busbar 300 is not limited to a circular cross section but may for example have an oval cross section. Different portions of the busbar 300 may have cross sections of different form.
  • the 300 may for example comprise a dielectric material.
  • the insulating material may for example include epoxy and/or silicone.
  • Figures 3 and 4 illustrate certain components of a power converter assembly
  • an insulating material e.g. a dielectric material
  • another type of electrically conducting member of the power converter assembly e.g. electrically connected to a converter cell of the power converter assembly.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

L'invention concerne un ensemble convertisseur de puissance (100) dans lequel un matériau isolant est disposé, par exemple sous la forme d'une couche, d'une enveloppe ou d'un revêtement, sur une surface d'éléments sous tension (200, 250) de l'ensemble convertisseur de puissance (100). Pour des éléments sous tension (200, 250) d'un ensemble convertisseur de puissance (100), par exemple une barre omnibus (200) et/ou un écran anti-effluves (250), la tension d'apparition d'effet couronne en courant continu et la résistance au claquage sous tension de choc dans des entrefers (et/ou des espaces d'un autre fluide) (d_1, d_2) entre les éléments sous tension (200, 250) et un objet quelconque (110) autour de l'ensemble convertisseur de puissance (100), tel qu'un mur, un plancher ou un plafond à l'intérieur d'un bâtiment dans lequel l'ensemble convertisseur de puissance (100) est agencé, peuvent être augmentées d'une manière significative au moyen de la disposition d'un matériau isolant sur une surface des éléments sous tension (200, 250) par comparaison à l'emploi d'éléments sous tension nus (200, 250).
PCT/EP2014/073069 2014-10-28 2014-10-28 Ensemble convertisseur de puissance à électrodes recouvertes de matériau isolant WO2016066187A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/073069 WO2016066187A1 (fr) 2014-10-28 2014-10-28 Ensemble convertisseur de puissance à électrodes recouvertes de matériau isolant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/073069 WO2016066187A1 (fr) 2014-10-28 2014-10-28 Ensemble convertisseur de puissance à électrodes recouvertes de matériau isolant

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WO2016066187A1 true WO2016066187A1 (fr) 2016-05-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020064113A1 (fr) * 2018-09-27 2020-04-02 Abb Schweiz Ag Système de blindage pour équipement à haute tension
WO2020064114A1 (fr) * 2018-09-27 2020-04-02 Abb Schweiz Ag Module inhibiteur et agencements de blindage pour équipement haute tension

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2331851A (en) * 1997-11-28 1999-06-02 Asea Brown Boveri Magnetic energy storage
US20090266605A1 (en) * 2006-06-20 2009-10-29 Abb Research Ltd. High voltage valve group with increased breakdown strength
EP2133970A1 (fr) * 2008-06-10 2009-12-16 Abb Research Ltd. Dispositif pour diminuer le risque de panne diélectrique avec des appareils haute tension
EP2282623A2 (fr) * 2009-07-28 2011-02-09 Canon Kabushiki Kaisha Appareil d'affichage plat à alimentation électrique haute tension

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2331851A (en) * 1997-11-28 1999-06-02 Asea Brown Boveri Magnetic energy storage
US20090266605A1 (en) * 2006-06-20 2009-10-29 Abb Research Ltd. High voltage valve group with increased breakdown strength
EP2133970A1 (fr) * 2008-06-10 2009-12-16 Abb Research Ltd. Dispositif pour diminuer le risque de panne diélectrique avec des appareils haute tension
EP2282623A2 (fr) * 2009-07-28 2011-02-09 Canon Kabushiki Kaisha Appareil d'affichage plat à alimentation électrique haute tension

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020064113A1 (fr) * 2018-09-27 2020-04-02 Abb Schweiz Ag Système de blindage pour équipement à haute tension
WO2020064114A1 (fr) * 2018-09-27 2020-04-02 Abb Schweiz Ag Module inhibiteur et agencements de blindage pour équipement haute tension
CN112772007A (zh) * 2018-09-27 2021-05-07 Abb电网瑞士股份公司 用于高压设备的屏蔽装置
US11240929B2 (en) 2018-09-27 2022-02-01 Abb Power Grids Switzerland Ag Inhibitor module and shielding arrangements for high voltage equipment
US11240945B2 (en) 2018-09-27 2022-02-01 Hitachi Energy Switzerland Ag Shielding arrangement for high voltage equipment
CN112772007B (zh) * 2018-09-27 2022-03-08 日立能源瑞士股份公司 用于与相邻物体隔开的高压设备的屏蔽装置以及换流站

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