EP2649624A1 - Module transformateur de courant - Google Patents

Module transformateur de courant

Info

Publication number
EP2649624A1
EP2649624A1 EP11790583.6A EP11790583A EP2649624A1 EP 2649624 A1 EP2649624 A1 EP 2649624A1 EP 11790583 A EP11790583 A EP 11790583A EP 2649624 A1 EP2649624 A1 EP 2649624A1
Authority
EP
European Patent Office
Prior art keywords
winding
winding body
stack
gap
current transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11790583.6A
Other languages
German (de)
English (en)
Inventor
Hendrik Andree
Wojciech Olszewski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of EP2649624A1 publication Critical patent/EP2649624A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H01F38/30—Constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/38—Instruments transformers for polyphase ac

Definitions

  • the invention relates to a current transformer assembly comprising at least a first, a second and a third annular winding body, which are coaxially aligned and form a stack in which a gap is formed between immediately adjacent arranged winding bodies, wherein the first winding body immediately adjacent to second winding body and the second winding body is disposed immediately adjacent to the third winding body.
  • Such a current transformer assembly is known for example from French patent application FR 2 874 122 AI.
  • the local power converter assembly has a plurality of annular winding body, which are aligned coaxially with each other and form a stack. Between immediately adjacent winding bodies in each case gaps are formed, which are filled in the known arrangement with dividers.
  • the known power converter arrangement has three similarly positioned ⁇ built stack. In order to enable electrical contacting of individual windings of the stacked winding body, a mounting space is arranged above the respective stack, which is used for laying, outcrossing or discharge of connecting lines.
  • a further mounting space is provided on the shell side, in order to divide the connecting lines and distributed through a housing of the known current transformer assembly to lead to the outside.
  • the object is achieved in a Stromwandlerbau ⁇ group of the type mentioned in that the gap between the first winding body and the second winding body is greater than the gap between the second winding body and the third winding body.
  • Current transformer assemblies are used in electrical power transmission devices to detect an electrical current flow in a phase conductor.
  • a physical variable reflecting the current flow is detected by means of the winding bodies.
  • a physical quantity can ⁇ example, be an outgoing from the current flow electromagnetic field.
  • the phase conductor can pass through the annular winding body, so that the winding body are exposed to the emanating from the current flow electromagnetic field.
  • the winding body can be made different so that the measured physical quantity can be detected on Various ⁇ NEN ways.
  • the winding bodies can for example, have windings which deliver a current proportional to the primary current acting as a current flow secondary current due to electromagnetic induction phenomena ⁇ based on the transformer principle.
  • the phase conductor forms the primary winding of a transformer and the winding body with its windings represent the secondary winding of the transformer.
  • the windings are formed in an alternative form.
  • fiber-optic windings can be arranged on the winding bodies, or the winding bodies can have transducers which make an image of the current flow by means of semiconductor components.
  • the larger gap can serve, for example, as a mounting space to accommodate An ⁇ closing elements or the like.
  • the stack is traversed by the larger gap in the transverse direction. Connection elements can thus cross the stack in a short way. Since the gap is within the stack of winding bodies, access to winding bodies in a short path is possible.
  • the coil body may have an annular structure for example, the winding body should be configured as a hollow cylinder, preferably, the individual ⁇ NEN winding body is to have similar cross-sections ⁇ th.
  • the cross-sections should annularly be designed. Regardless of the selected cross section for the winding body, the winding body should be aligned with each other.
  • the Wick ⁇ ment body should be aligned coaxially.
  • the stack may have a contour which substantially corresponds to the contour of one of the winding bodies, wherein the stack has a greater extent in the axial direction than the extension of a single one of the winding body, which is part of the stack due to the juxtaposition of several approximately congruent winding body.
  • the winding bodies are arranged axially spaced from one another. Immediately adjacent winding body are when no further winding body is arranged in the axial direction between the winding bodies.
  • a gap located between immediately adjacent winding bodies can be completely or partially filled with further elements. In a gap, for example, a partition plate, a
  • Divider a line, an insulating material, a filler, etc. may be arranged. If one uses now different gap widths within the stack so it is possible to provide a wider gap exactly at ei ⁇ ner point of the stack, which requires immediate access.
  • the larger nip may be centrally located in a stack, or may be shifted toward an edge of the stack. If, for another gap which is not necessary for the reception of further elements, a dimension reduced in relation to the larger gap is selected, then the total extension in not ⁇ ßert axial direction of the stack unnecessarily magnification.
  • a further advantageous embodiment can provide that more than three winding bodies are arranged axially spaced from each other in a stack and a gap between the Ers ⁇ th winding body and the second winding body is greater than any other gap between further immediately adjacent arranged winding bodies.
  • the stack may have a further number of winding bodies. Also on a stack of more than three winding bodies, a formation of a gap is provided between each immediately adjacent arranged winding bodies.
  • a single gap of which is opposed to all the other columns in the course of the stack has a greater width, it is possible to create a channel in the course of the stack in setting, for example, connection ⁇ lines in the interior of the stack or to cross the stack across its longitudinal axis.
  • the larger gap can be positioned as required at any point in the axial course of the stack.
  • the enlarged gap can, for example, centrally, end or between a
  • the first and the second winding body may, for example, be centrally positioned in the axial course of the stack.
  • the term first and second winding body is therefore not to be interpreted as limiting that it is exclusively a larger gap positioned at the end.
  • the larger gap may be allowed as ⁇ various dimensions, depending on the more necessary absorption capacity. Reducing the dimension of the other column accordingly, so even with a larger number of winding bodies can be dispensed with on the front side of the stack subsequent mounting spaces.
  • the further column may for example be reduced such that adjacent winding bodies touching a ⁇ other and remain merely joining gaps in the course of Sta ⁇ pels.
  • Field-control electrode may for example comprise annular struc ⁇ reindeer, wherein a field-control electrode may be formed, for example, in the manner of a toroid or even a portion of a toroid or of a spherical cap or in a manner similar to round one end face of the stack.
  • a further advantageous embodiment can provide that, apart from the larger gap located between the first and the second winding body, all further gaps between directly adjacent winding bodies in the stack are dimensioned approximately identically.
  • the stack gets a structure which only at the point of the larger gap in the sequence of the column has a discontinuity.
  • a similar gap width with standard gap dimension which is to be set except for the larger gap on all other columns
  • the winding body can be moved, for example, in the axial direction for a given total length of the stack, wherein a spacing of the winding body to each other is set to the standard gap dimension.
  • a larger gap inevitably sets in at a remaining location.
  • it is possible to simply "move" the enlarged gap in the axial direction through the stack by simply moving individual winding bodies or groups of winding bodies.
  • the current transformer assembly can be easily adapted for the particular application. After a successful determination of the position of the larger gap, the winding body can be fixed relative to each other, so that a rigid-angle bond between the winding bodies is ensured.
  • a further advantageous embodiment can provide that at least one connection lead of at least one winding originates from a winding body, wherein the at least one connecting lead runs through the larger gap.
  • the winding bodies each have at least one winding. These windings serve to image the current flowing in a phase conductor electrical current. It can also be provided that a winding body has a plurality of windings. It can furthermore be provided that a winding is provided with a plurality of taps, so that different transmission ratios can be realized. Regardless of the design of the windings in type, number and shape, a connection of the windings may be provided in order to forward the information generated by the windings can. For this purpose connection leads are connected to the windings of the winding bodies. The connecting leads correspond in each case to the type of windings provided on the respective winding body. Thus as connecting lines such as optical fibers Fa ⁇ electrically conductive signal lines, etc. are used.
  • At least one of the connecting lines of the windings of the various winding bodies is laid in such a way that at least a portion of the connecting line extends through the larger gap.
  • the possibilities are given to connect the connection line directly to the respective winding body, to provide a reversal of the direction of the connection line in the gap, to cross the stack, etc. in order to be able to use the shortest possible connecting lines.
  • connection lines emerge from the gap at different positions on the circumference of the stack or to enter.
  • connection points can be arranged distributed on the circumference of the stack. For example, optical clocking of windings on one side of the shell of the stack a connection point for the con- be provided and diametricallyunlie ⁇ quietly a connection point for the connection of connecting cables for the transmission of electrical impulses.
  • connection lines which do not influence one another can be laid along a first path and other connecting lines which do not influence one another can be laid on a second, spaced path.
  • a further advantageous embodiment can provide that the winding body are penetrated by a support body, so that forms an annular groove between immediately adjacent winding bodies at a gap, in particular at the larger gap.
  • a support body makes it possible to align the winding body coaxially.
  • the support body may have a cross section shaped in the same way as a recess provided in the winding body. Especially with an annular
  • Shape of the winding body are, for example, tubular support body, on the one hand cause sufficient mechanical ⁇ cal stabilization and on the other hand are low in mass.
  • the support body can for example be made of electrically insulating be made or electrically conductive material.
  • an electrically conductive material of the support body can enforce the stack over its entire length and at least at one end face of the stack carry a field control electrode.
  • the field control electrode leads ⁇ the same electrical potential as the electrically conductive supporting body.
  • the winding body may initially be mounted displaceably on the support body, so that the gap widths between the immediately adjacent winding bodies can be adjusted and the larger gap can be positioned at any position within the Sta ⁇ pels. After setting the
  • Gap widths can also be a fixation of the winding body carried on the support element, so that the individual winding body are connected by the support body angle rigid with each other.
  • a fixation can be done for example by adhesive bonds or clamp connections or other suitable connection methods.
  • the support body can form a bottom of a groove in the respective columns, in particular in the larger gap, whose groove cheeks are formed by the adjacent winding body.
  • the groove is correspondingly annular in itself formed circumferentially closed and forms a kind of channel, which can serve to accommodate example of connection lines.
  • the groove opens in the radial direction.
  • a space is formed, which can serve to accommodate connection lines, so that they can pass through the groove, for example, clockwise or counterclockwise at least in sections.
  • the course of the connecting lines in the groove takes place substantially transversely to the axial extent of the stack.
  • a further advantageous embodiment may provide that several, in particular three stacks of winding bodies are arranged paral lel ⁇ and each aufwei- a larger gap sen, which are mutually aligned.
  • a current transformer assembly according to the invention is used primarily in electrical power transmission devices in order to map currents in phase conductors of the electric power transmission devices can.
  • multi-phase AC systems in addition to the use of single-phase AC voltages, the use of multi-phase AC systems has prevailed.
  • three-phase Wech ⁇ sellidssysteme be used, for example, which have three mutually electri- cally insulated phase conductors.
  • the three phase conductors are provided to each carry an electric current.
  • a stack of winding bodies is provided which, in order to save space, are preferably aligned parallel to one another.
  • a larger gap of an adjacent stack can be used to also lead connecting lines from adjacent stacks through the larger gap of another stack.
  • a gusset areas representing the plurality of stacks of unused to ⁇ sammenformen envelope contour areas. This gusset areas should be used to enter or emerge connection ⁇ lines in the larger gap allow.
  • the scope of the envelope contour of the plurality of stacks is not magnification ßert ⁇ excellent connection lines.
  • An arrangement of a contacting point can also be provided in the gusset areas in order to connect the windings of the winding bodies to the connecting lines.
  • a compact current transformer assembly for measuring currents in a multi-phase Elektroenergieübertragungssys ⁇ tem use.
  • the axes of the stacks should be aligned parallel to each other.
  • the axes should mark the vertices of a triangle gleichseiti ⁇ gene in a projection in the direction of the axes.
  • a further advantageous embodiment may provide that the one or more stacks is / are surrounded by a gas-tight encapsulating housing.
  • the electrically insulating gas may have an increased pressure relative to the environment, so that the insulation resistance of the electrically insulating gas is additionally increased.
  • a corresponding reduction of hit distances to be maintained in the interior of the encapsulating be made so that a compact power converter assembly can be generated.
  • the encapsulation housing In cooperation with the pressure-increased gas, ie, with a compressed gas insulation, can be done in the larger gap a laying of a plurality of connecting lines and this connection line to a point or more points on the encapsulating be performed on which the ⁇ lines the encapsulation housing means an implementation enforce arrangement gas-tight. It is thus possible in the interior of the encapsulating housing to pre-detection of an elec trical ⁇ stream and perform an evaluation of the information supplied by the windings of the winding body outside the encapsulating housing.
  • the / the stack is surrounded by a housing / are, which allows an off ⁇ exchange of gases with the environment through a corresponding opening.
  • first winding body and the second winding body in the axial direction have different heights from each other.
  • the winding bodies can have different heights.
  • the winding bodies can in the axial direction, d. h., Have different dimensions in the direction of the longitudinal axis of the stack formed by them.
  • the first winding body and the second winding body may preferably have a similar cross-section, but the heights may differ from each other.
  • the first and the second winding body may have different windings, for example, according to function, type and number, so that, for example, various information about connecting lines are guided through the larger gap.
  • first winding body part of a first group and the second winding body part of a second group and the winding ⁇ body of each group in the axial direction each have similar heights, wherein in the axial direction, the first group on one side of the larger gap and the second group on the other side of the larger gap to ⁇ are ordered.
  • the outgoing from the individual groups connecting lines can be performed in a simple manner to the larger gap to be continued from there to other connection elements or processing devices.
  • the groups of winding bodies can for example have different func ⁇ NEN. So it is for example possible that the first group of coil bodies having a higher Klassengenauig ⁇ ness than the second group of coil bodies. Thus, it is possible, for example, to use the information provided by the first group of winding bodies for a billing of electrical energy.
  • the second group of winding bodies with a lower class accuracy can be used, for example, to obtain information for
  • winding bodies of the first and second groups can also function according to different working principles.
  • a group of the recovery of Informatio ⁇ NEN can be used by means of optical fibers, whereas the second group feeds information obtained for example by use of a transformer principle in the Harleylei ⁇ obligations.
  • a further advantageous embodiment can provide that the gaps in each group are the same.
  • the gaps are each made the same width, allowing to specify a compact power converter assembly which has been enlarged beyond the one, the two groups has separating gap.
  • FIG. 1 shows a first perspective view of a wall flow ⁇ lerbaud that
  • Figure 2 is a second perspective view of a current ⁇ converter assembly
  • Figure 3 is a plan view of a power converter assembly.
  • FIG. 1 shows a current transformer assembly with a first stack 1, a second stack 2 and a third stack 3.
  • the three stacks 1, 2, 3 each have a longitudinal axis and are constructed substantially the same.
  • the basic structure of a stack of egg ⁇ ner current transformer assembly will be described with reference to the illustrated in the figure 1 in the foreground third stack 3.
  • the third stack 3 has a first winding body 4 and a second winding body 5.
  • the first winding body 4 and the second winding body 5 each have similar cross sections.
  • the cross section of the first winding body 4 and the second winding body 5 is annular, so that the contours of the first winding body 4 and the second winding body 5 are each formed hohlzy ⁇ lindrisch with annular cover surfaces.
  • the off ⁇ expansion of the first winding body 4 in the axial direction is greater than the extension of the second winding body 5 in the axial direction.
  • the first winding body 4 thus has a greater height than the second winding body 5.
  • the first winding body 4 is part of a first group 7 of
  • the second winding body 5 is part of a second group 8 of winding bodies.
  • the first group 7 of winding bodies and the second group 8 of winding bodies each have a plurality of winding bodies with a similar contour.
  • the first group 7 of winding ⁇ bodies here has two winding bodies formed in the manner of the first winding ⁇ body. 4
  • the second group 8 of winding bodies has four winding bodies designed in the manner of the second winding body 5. All winding body of the first and second group 7, 8 are aligned coaxially to the longitudinal axis of the third stack 3 and each have approximately the same cross-section.
  • the cross-sections are each approximately perpendicular from the jeweili ⁇ gen longitudinal axes of the stack 1, 2, 3 penetrates.
  • the immediately adjacent to each other arranged winding body are axially spaced apart, so that in each case a gap 9 is accommodatebil ⁇ det.
  • Both the column 9 of the first group 7 and the gap 9 of the second group 8 are approximately equal to ⁇ laid out.
  • all gaps 9 are provided with a smaller width than the larger gap 6, which is arranged between the first winding body 4 and the second winding body 5.
  • a first group 7 of winding bodies which have a greater height than the other hand of the larger gap 6 arranged second group 8 of winding bodies, which each have a lower height.
  • the first winding body 4 is part of the first group 7 of winding bodies with the greater height.
  • the second winding body 5, which is part of the second group 8 of winding bodies, has a smaller height.
  • the first group 7 of winding bodies has a smaller axial extent than the second group 8 of winding bodies with their winding bodies of lesser height.
  • the number of lower height winding bodies is greater than the number of larger height winding bodies.
  • All winding body of the first group 7 and the second group 8 are centrally penetrated by a support body 10.
  • the support body 10 is configured in the form of an electrically conductive tube, which projects beyond the end sides of the winding bodies of the first group 7 or the second group 8 which are arranged at the end.
  • Vorlie ⁇ vicinity of the supporting body is designed in the form of an aluminum pipe 10 from ⁇ on which the winding bodies are fixed angularly rigid. In an assembly of the winding body with the support body 10, it is possible to move the winding body axially and to position the position of the larger gap 6 in the course of the third stack 3 variable.
  • the field control electrode 11 has ei ⁇ ne annular structure, which is correspondingly curved, so that a portion of a surface of a toroid is madebil ⁇ det, which spans an annular end face of the third Sta ⁇ pels 3.
  • the field control electrode 11 and the support Body 10 carry the same electrical potential.
  • a base plate 12 At the other end of the support body 10 is a base plate 12 at. Since on this end face of the support body 10 projects beyond an end-side winding body, a spacing of the end arranged winding body of the base plate 12 is given.
  • the individual configuration of the winding body may vary. For example, different measuring methods can be used on different winding bodies.
  • optical fibers may be laid, for example, in the first group 7 of winding bodies to taking advantage of the influence of an electromagnetic field of a current-carrying phase conductor, a polarized light to beeinflus ⁇ sen.
  • Can be connected to the second group 8 of winding bodies examples game, a transformational principle used kom ⁇ men to map an electrical current in a current-carrying conductor.
  • phase conductors through which current flows preferably extend through central recesses in the three
  • phase conductors should have a linearly stretched structure in the region of the stacks 1, 2, 3, so that the stacks 1, 2, 3 are each aligned coaxially with the phase conductors which they enclose .
  • a clamping collar 14 is inserted in a gap 9 of the second group of winding bodies 8, on which the tension rods 13 can act.
  • a rigid-angle bond between the respective stack 1, 2, 3 and the base plate 12 is given.
  • the three stacks 1, 2, 3 are also positioned relative to each other.
  • FIG. 1 further shows a contact-making point 15, at which some windings of different winding bodies terminate by way of example.
  • the contacting point 15 lies in a gusset region between the first and third gaps 1, 3 and thus lies within the contour bounded by the three stacks 1, 2, 3.
  • the con- takt istsstelle 15 represents an interface to Wick ⁇ lungs of the winding body to contact by means of connection lines sixteenth
  • the connection lines 16 can now be laid starting from the contacting point 15 to other connection points ⁇ .
  • Connection points can be, for example, feedthroughs in an encapsulation housing enclosing the stacks 1, 2, 3.
  • a direct radial propagation is by way of example in Figure 1 with the two connecting lines 16 which are facing the base plate 12, shown by way ⁇ represents. In this case there are connection points in ra ⁇ dialer direction. A special guide and steering this connection line 16 is not required.
  • Another four connecting lines 16, which lie on the side facing away from the base plate 12 of the contacting point 15 are inserted into the larger gap 6 of the third stack 3 and pass through the larger gap formed in 6 annularly closed circumferential groove. Groove edges of the annular circumferential groove are defined by the respective limiting first and second winding body 4, 5 formed.
  • a bottom of the annular self-contained circumferential groove is formed by a lateral surface of the support body 10.
  • an annular circumferential groove is formed in the larger gap 6, which serves to receive connecting lines 16.
  • a laying of the connection lines 16 in the larger gap 6 is shown counterclockwise (see FIG . 1) .
  • This laying is also referred to as external laying of connecting lines 16, since a laying path of the connecting lines 16 in the region of the larger gap 6 of the third stack 3, which faces away from the first stack 1 and the second stack 2.
  • FIG. 2 shows a perspective view of FIG.
  • FIG. 3 shows a plan view of the current transformer assemblies known from FIGS. 1 and 2.
  • the symmetry axes 1a, 2a, 3a correspond to the longitudinal axes.
  • the symmetry axes 1a, 2a, 3a correspond to the longitudinal axes. Visible is the ring structure of the three stacks
  • connection boxes 17a, 17b, 17c are distributed.
  • the terminal boxes 17a, 17b, 17c can each ⁇ wells be the target of the installed by the larger gap 6 connecting lines 16 and comprise connection points. Alternatively, it can also be provided that the connection lines 16 are guided directly to the connection boxes 17a, 17b, 17c.
  • one or more connection boxes 17a, 17b, 17c may be arranged distributed on the circumference of the Stromwandlerbau ⁇ group.
  • connection lines 16 can take place in order to reach the respective connection boxes 17a, 17b, 17c in a short path.
  • dashed arrows which are provided with the reference numerals Fig. 1 and Fig. 2, the proposed in Figures 1 and 2 laying paths for connecting lines 16.
  • other paths within the larger column 6 of the first, second and third stack 1 are indicated by the dashed arrows, which are provided with the reference numerals Fig. 1 and Fig. 2, the proposed in Figures 1 and 2 laying paths for connecting lines 16.
  • the depth of the peripheral groove respectively formed in the larger gap 6 is substantially equal to the radial extent of the annular winding bodies.
  • the stacks 1, 2, 3 shown in FIGS. 1, 2, 3 may be closed, for example, by a gas-tight encapsulating housing .
  • the junction boxes may be struck 17b 17c 17a, wherein 16 are provided such in the field of terminal boxes 17a, 17b, 17c connecting points for connection lines, that a gas-tight lead-through of the connecting lines 16, respectively of corresponding connection elements is performed by the Kapselungsge ⁇ housing.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Transformers For Measuring Instruments (AREA)

Abstract

L'invention concerne un module transformateur de courant comprenant un premier, un deuxième et un troisième corps d'enroulement annulaire (4, 5). Les corps d'enroulement (4, 5) sont orientés coaxialement les uns par rapport aux autres et reliés pour former un empilement. Une fente (6, 9) est formée respectivement entre des corps d'enroulement (4, 5) directement adjacents. Une fente (6, 9) située entre deux corps d'enroulement (4, 5) directement adjacents est plus grande que les fentes (6, 9) situées entre d'autres corps d'enroulement (4, 5) directement adjacents.
EP11790583.6A 2010-12-08 2011-11-23 Module transformateur de courant Withdrawn EP2649624A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010062605 DE102010062605A1 (de) 2010-12-08 2010-12-08 Stromwandlerbaugruppe
PCT/EP2011/070728 WO2012076334A1 (fr) 2010-12-08 2011-11-23 Module transformateur de courant

Publications (1)

Publication Number Publication Date
EP2649624A1 true EP2649624A1 (fr) 2013-10-16

Family

ID=45065879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11790583.6A Withdrawn EP2649624A1 (fr) 2010-12-08 2011-11-23 Module transformateur de courant

Country Status (5)

Country Link
EP (1) EP2649624A1 (fr)
CN (1) CN103262189A (fr)
DE (1) DE102010062605A1 (fr)
RU (1) RU2013130738A (fr)
WO (1) WO2012076334A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102982979B (zh) * 2012-12-27 2016-03-02 东莞市光华实业有限公司 饼式线圈绕制三相变压器
DE102017217783A1 (de) 2017-10-06 2019-04-11 Siemens Aktiengesellschaft Anordnung zum Anschluss an ein Hochspannungsnetz

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CH670327A5 (fr) * 1985-10-09 1989-05-31 Sprecher Energie Ag
EP0668598B1 (fr) * 1994-02-17 1997-04-02 Gec Alsthom T&D Ag Transformateur de courant à noyau annulaire destiné à être monté dans une installation de commutation à haute tension encapsulée en métal
JP2000173844A (ja) * 1998-12-02 2000-06-23 Mitsubishi Electric Corp 変流器
DE29906475U1 (de) * 1999-03-31 2000-08-31 Siemens AG, 80333 München Kapselungsbaustein zur Aufnahme von Stromwandlerkernen in gasisolierten Hochspannungsschaltanlagen
FR2874122B1 (fr) * 2004-08-06 2006-09-22 Areva T & D Ag Transformateur de courant de type triphase et poste electrique equipe d'un tel transformateur de courant
DE102005005445A1 (de) * 2005-02-04 2006-08-10 Trench Germany Gmbh Ringkernstromwandler
JP5129660B2 (ja) * 2008-06-16 2013-01-30 株式会社日立製作所 密閉型開閉装置用変流器
CA2744290C (fr) * 2008-12-04 2014-05-27 Abb Technology Ag Dispositif a induction

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Also Published As

Publication number Publication date
DE102010062605A1 (de) 2012-06-14
CN103262189A (zh) 2013-08-21
RU2013130738A (ru) 2015-01-20
WO2012076334A1 (fr) 2012-06-14

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