EP3549218A2 - Fluidisolierte elektroenergieübertragungseinrichtung - Google Patents
Fluidisolierte elektroenergieübertragungseinrichtungInfo
- Publication number
- EP3549218A2 EP3549218A2 EP18700451.0A EP18700451A EP3549218A2 EP 3549218 A2 EP3549218 A2 EP 3549218A2 EP 18700451 A EP18700451 A EP 18700451A EP 3549218 A2 EP3549218 A2 EP 3549218A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- filter
- phase conductor
- transmission device
- power transmission
- 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- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/063—Totally-enclosed installations, e.g. in metal casings filled with oil or gas
- H02G5/065—Particle traps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/055—Features relating to the gas
Definitions
- Fluid-insulated electrical power transmission device The invention relates to a fluid-insulated electrical ⁇ power transmission device with a fluid encapsulating capsule housing, with a phase conductor section and a filter for the fluid.
- a fluid-insulated electric power transmission device is, for example, from the international publication
- a fluid-insulated electric ⁇ energy transmission device in the form of a switch, the encapsulating encapsulates a fluid.
- a phase conductor section is provided for transmitting an electric current.
- a filter for the fluid is inserted into the encapsulating housing.
- the encapsulating housing is equipped with a dome-shaped closure ⁇ fitting, wherein a plurality of filter bags of the filter ⁇ are placed in the dome-shaped space of the encapsulating.
- the filter bags are there though out the fluid is ⁇ , but due to its location, the effectiveness ⁇ be limited.
- centrally arranged and covered by another filter bag filter bags are subjected to a lesser degree than the fluid, for example in edge regions be ⁇ -sensitive filter bag.
- the object is achieved in a fluid-insulated electric power transmission device of the type mentioned above in that the filter is arranged to the encapsulating housing and is exposed to the fluid.
- a fluid-insulated electric power transmission device serves to transfer electrical energy from a source to a sink.
- a potential difference is used to drive an electric current via a phase conductor and thus also via a phase conductor section.
- a fluid is encapsulated or enclosed within an encapsulating housing. The fluid flows around this case the phase conductor portion, whereby this undergoes electrical ⁇ specific insulation, especially with respect to the capsule housing.
- the encapsulating housing is preferably designed to be fluid-tight, wherein the fluid can be pressurized.
- Suitable fluids are, for example, fluorine-containing substances such as sulfur hexafluoride, fluoroketone, fluoronitrile, fluorinated peroxides or else nitrogen or oxygen or other suitable electrically insulating media.
- the fluid may be in gaseous form and / or in liquid form.
- the fluid can be sealed inside the encapsulating housing.
- the encapsulating housing forms a barrier (insbesonde ⁇ re fluid-tight) between the electrically insulating fluid and the area of the encapsulating housing.
- To bind be ⁇ -sensitive foreign matter during operation inside the capsule housing is disposed inside the housing development Kapse ⁇ a filter.
- This filter is used For example, to bind foreign substances by adsorption and / or ab ⁇ sorption.
- Such foreign matter may be ⁇ example as contaminants in the fluid or contamination in the interior of the encapsulating housing.
- Such foreign matter may be ⁇ example as contaminants in the fluid or contamination in the interior of the encapsulating housing.
- Through the filter foreign substances occurring during operation can be bound.
- due to thermal effects resulting decomposition products can be bound in the filter.
- filter materials for example, ceramics such. B. Al 2 O 3 find use.
- the filter is spatially from the encapsulation ⁇ housing or to the encapsulating housing formed by the barrier-for the fluid removed. With improved by ⁇ flushing the filter can be efficiently effective. This provides a way to reduce reserve volumes at the filter. Kings ⁇ nen example, smaller niches inside the fluid-insulated electrical power transmission device to be used on the basis of such a reduced space requirement to accommodate the filter. Alternatively, it can also be provided to divide the filter and distribute it inside the encapsulating housing and expose it there to the fluid.
- the filter is arranged so as to be electrically isolated from the encapsulating housing.
- the filter can also be positioned on so-called active parts in the interior of the encapsulating.
- An active part is, for example, a phase conductor section which is supplied with a voltage to conduct an electric current.
- the encapsulating housing may be formed, at least in sections, from electrically conductive wall sections.
- the encapsulating housing can also be formed at least partially from electrically insulating wall sections. Electrically conductive wall sections should preferably lead to an electrical ground potential due to safety considerations.
- an electrically insulating section may also be surrounded on all sides by the same electrically insulating fluid.
- An electrically insulating section may for this purpose have a recess through which the electrically insulating fluid can flow.
- Disc design can be used on the fluid-insulated electric power transmission device.
- the phase conductor section has a cavity for receiving the filter.
- the phase conductor section is a section of a phase conductor strip which serves to guide an electric current.
- the phase conductor section is to be formed from an electrically conductive material.
- the phase conductor section is flushed around by the electrically insulating fluid.
- These insulator arrangements are, for example, be ⁇ sets which position the phase conductor portion relative to Kapse ⁇ development housing.
- the phase conductor section may also be supported on electrically insulated sections of the encapsulating housing.
- the dielectrically shielding effect of an electrically conductive material of the phase conductor portion can be used to form a field-free space in the interior of the phase conductor portion.
- This field-free space can now be at least partially filled with a filter. Due to the field freedom in the interior of the phase conductor section, any shaped filters can be used there, since no consideration has to be taken of dielectric stability in the design of the filter.
- An advantageous embodiment may further provide that the phase conductor section has a socket.
- a phase conductor section can be equipped with a socket. Over the socket is both a generic elekt ⁇ contact of the phase conductor section allows with other portions of a phase conductor turn. On the other hand is on the socket also supporting the other portion of the phase conductor allows.
- the socket can be formed such that a socket opening opens into a cavity for receiving the filter in the phase conductor section. This can be possible via the socket and a Zu ⁇ gear to the filter. Thus, additional openings for access to the interior of the phase conductor section are not necessary. Furthermore, it can be advantageously provided that the phase conductor section is a final piece for a semifinished product.
- the Phasenleiterzug may be preferably constructed utilizing Halbzeu ⁇ gen.
- the semi-finished products are to be dimensioned and assembled accordingly.
- Phasenleiterab ⁇ cut a semi-finished can be completed and an interface for integrating the semifinished product are given in a phase ⁇ leiterzug.
- the end piece by screwing, pressing, welding, plugging, etc. z. B. be connected to semi-finished products.
- the end piece can thereby form an L-shaped branch, an I-shaped passage or a T-shaped branch.
- different elements for ⁇ formation of a phase conductor can be coupled together.
- the phase conductor can be supported by abutting the end piece on an insulation arrangement or on an electrically insulating section of the encapsulation housing.
- the end piece By means of the end piece a connection of semi-finished products can be made.
- a modular construction of a Phasenlei ⁇ terzuges is possible.
- a further advantageous embodiment may provide that the end piece has a T-shaped branch and / or an L-shaped branch.
- a T-shaped branch makes it possible to arrange stitches in the course of the phase conductor pull in order to divide an electric current into different directions if necessary
- a T-shaped terminating piece can be assembled in a Phasenleiterzug an interface a ⁇ to form a branch.
- a branch is coupled out almost vertically from a continuous phase conductor.
- the filter is arranged in the branch.
- a T-branch forms a branch.
- space-enlarging forms are provided in the region of the branch.
- an enlargement of the phase conductor train can be carried out by means of a termination piece in the region of the branch.
- the branch is a radial extension ⁇ tion, in particular on a connector in T-shape, the branch can be used to fill there Hohl syndrome ⁇ me with the filter.
- An L-shaped branch allows directional change along a phase conductor trace.
- the L-shaped branch forms a corner point.
- access to the filter is opposite to the branch.
- Opposite to the branch can be arranged on the phase conductor section ei ⁇ ne access opening, which can be intervened in the interior of the phase conductor section. Due to the arrangement of filter material in the branch, a replacement of the filter can thus be taken ⁇ even when mounted phase conductor. Via a branch opposite to the branch directed access opening can be intervened in the interior of the Phasenleiter- zuges, so that the phase conductor section need not be dismantled for the purpose of filter replacement.
- a further advantageous embodiment may provide that the filter is supported by the phase conductor section.
- phase conductor section in order to carry the filter, then this can for example also be positioned at high voltage potential and be flushed on all sides by a fluid at this high voltage potential. In this case, it is possible to resort to the insulation paths which are formed by the fluid around the phase conductor section. By using existing insulation arrangements for the phase conductor section, it is possible to dispense with arranging separate holding devices for the filter.
- a further advantageous embodiment can provide that the filter is arranged in a secured position inside the phase conductor section.
- securing means may be arranged in order to positi ⁇ onieren the filter stationary. This counteracts unintentional release of the filter from the phase conductor section.
- ⁇ sondere upon the application of the phase conductor section with an AC voltage or an alternating current may arise due to alternating fields unwanted movement on the filter.
- a position securing of the filter can play provide examples that the filter is against a Phasenlei ⁇ terabites, in particular inside wall pressed.
- the La ⁇ security device inside the phase conductor section can also serve to protect, for example, for introducing the filter necessary openings dielectrically.
- the fluid is a pressure fluid.
- the electrical insulation resistance of the fluid can be verbes ⁇ sert.
- the encapsulating can be formed accordingly as a pressure vessel.
- the pressure fluid flows around inner ⁇ half of the pressure vessel portion of the disposed phase conductors.
- a phase conductor section is flushed or flushed through.
- the approximate variation is a cross-section through a Phasenleiterab ⁇ cut with a filter in a second exporting and cut a cross section through a Phasenleiterab ⁇ with a filter in a third embodiment variant Auscut.
- FIG. 1 shows a cross section through an electrical energy transmission device.
- the electric power transmission device has an encapsulating housing 1.
- the encapsulating housing 1 encloses an electrically insulating fluid in its interior.
- the encapsulating housing 1 is composed of meh ⁇ reren sub-elements. Above is a
- Main element la used which has a substantially tubular cross-section.
- the main element of the la Kapse ⁇ lung housing 1 extends coaxially with a longitudinal axis. 2
- End the main element la is equipped in each case with a screw ⁇ flange.
- About the end-side screw flanges of the main element la is a first and a second on ⁇ set element lb, lc flanged with the main element la of Kapselungsge- housing.
- the flanging is carried out in such a way that a fluid-tight bond between the main element la and the first and second attachment element lb, lc is given.
- a third attachment element ld is connected to the main element 1a on the shell side.
- the disk insulator 4 closes the main element la fluid-tight.
- About the disc insulator 4 and the third approach element ld is completed fluid-tight.
- the interior of the encapsulation housing 1, that is, at least the interior of the main element la and the interior of the first and second attachment element lb, lc, before ⁇ given to the interior of the third attachment element ld, are filled with an electrically insulating fluid.
- the encapsulation housing la encapsulates the electrically insulating fluid so that it can not volatilize.
- the Kapselungsge ⁇ housing la is designed as pressure vessels, so that the in the interior of the encapsulating housing 1 electrically insulating fluid may comprise a differential pressure relative to the surroundings of the encapsulating housing. 1
- the electrically insulating fluid may have an overpressure relative to the environment of the encapsulating housing 1.
- phase conductor 5 In the interior of the encapsulating housing 1, a phase conductor 5 is arranged.
- the phase conductor 5 is arranged substantially coaxially to the longitudinal axis 2 and is formed in sections of a hollow cylindrical semi-finished product, which is positioned using a closure piece 6.
- the end piece 6 is formed as a phase conductor section of the phase conductor train and has a T-shape.
- the Ab ⁇ circuit piece 6 can also be L-shaped, I-shaped or formed throughout to an alternative course of Phasenleiterzu- to be able to shape it.
- each ⁇ wells sockets 7a provided to receive the portions formed from semi-finished products of the phase conductor run 5 7b, which are coaxially aligned and ⁇ with opposite sense to the phases are arranged senleiterab gleich Swiss. 6
- the Phasenleiter- section 6 further comprises a branch 8 which is oriented perpendicular to the longitudinal axis We ⁇ sentlichen. 2 In this case, the branch 8 is aligned with the position of the jacket neck 3, so that the phase conductor 5 also extends coaxially through the jacket neck 3 via the branch 8.
- the disk insulator 4 has a frame which is inserted fluid-tightly into the flange connection between the flange of the nozzle 3 and the flange of the flanged third attachment element ld.
- the frame serves to receive flange forces, forming a fluid-tight composite on the flange.
- the insulating portion is in the form of a disk insulator being provided for Verschreib ⁇ tion of the creepage distance along the surface of the disk insulator 4, a dome-shaped bulge of the Isolierab ⁇ section.
- the phase conductor section 6 is formed as a hollow body, wherein the sockets 7a, 7b open into the cavity in the interior of the phase conductor section 6.
- a Zu ⁇ opening 9 is arranged on the phase conductor section 6 in order to allow access to the cavity of the phase conductor section 6 even with filled sockets 7a, 7b as shown in the figure 1.
- the access opening 9 is aligned with the branch 8, wherein the access opening 9, however, diagonally aligned. metral to branch 8 allows access to the interior of the phase conductor section 6.
- phase conductor section 6 In the cavity of the phase conductor section 6, the arrangement of a filter 10 is provided. Various possibilities of arrangement of the filter 10 in the interior of Phasenleiterabschnit ⁇ tes 6 are shown in more detail in Figures 2, 3 and 4. In this case, the phase conductor section 6 is known, as shown in FIG. 1, in each case in section.
- phase conductor sections 6 each have similar phase conductor sections 6, as shown in FIG. Due to the section of the phase conductor 5, it is now clear that in the sockets 7a, 7b tubular semi-finished products are used.
- the phase conductor 5 extends in the region of the third neck element ld also in the form of a tube.
- the phase ⁇ conductor 5 is formed in the form of a solid cylinder, wel ⁇ chem the phase conductor section 6 is screwed.
- Entspre ⁇ accordingly is a fluid-tight barrier through the disk insulator 4 produced in a fluid-tight embedding of the cylindrical portion of the phase conductor run 5 in the insulating material of the disk insulator 4, wherein the Phasenleiterzug 5 passes through the fluid-tight barrier.
- the portion of the Pha ⁇ senleiterzuges 5, which extends in the third projection element ld, is formed as a hollow cylinder, wherein a front side is closed by a base plate.
- the base ⁇ plate is by means of a screw on the cylindrical portion of the phase conductor 5, which is embedded in the Scheibeniso ⁇ lator 4, screwed.
- a mounting opening 11 is on the shell side in the portion of the phase conductor 5, which is surrounded by the third projection element ld introduced.
- a collar is formed on the branch 6, in which a plurality of bolts 12 are distributed over a circular path. The bolts 12 secure the branch 8 and thus the phase conductor section 6 on the disk insulator 4 and form a rigid-angle composite with this.
- the phase conductor section 6 is rigidly aligned with the housing 1 Kapselungsge ⁇ .
- the sockets 7a, 7b of the phase conductor section 6 are positioned stationary, whereby they can take on the hollow cylindrical semifinished products, which form further portions of the phase conductor 5, ⁇ .
- tolerances in production can be compensated.
- movable bearings can be formed in order to be able to compensate for expansions of the phase conductor train 5 that occur as a result of changes in heat.
- For electrical contacting can in the sockets 7a, 7b corresponding Maisvars ⁇ elements such.
- B. contact springs or contact rings or the like may be arranged.
- a filter in a first embodiment will be described.
- the stay bolt 13 extends in Wesentli ⁇ chen in the direction of the branch 8 and projects with its free end to the access opening 9.
- a base plate is arranged, which lies above the pin 12.
- the base plate may, for example, a perforation aufwei ⁇ Sen to allow an improved flow with electrically insulating fluid.
- the base plate serves to accommodate a filter 14 which is distributed substantially around the stud bolt 13 in circulation.
- the filter 14 may for example have a plurality of sub-elements which are distributed around the stud 13 in circulation. Accordingly, a radial securing of the filter 14 can take place through an inner circumferential surface of the branch 8. An axial securing of the
- Filters 14 takes place on the one hand through the base plate, on the other ⁇ hand, at the free end of the stud bolt 13 is a front plate 15 arranged.
- the end plate 15 prevents axial movement ⁇ Be of the filter 14 in the direction of the access opening 9.
- the stud 13 is designed in its axial extent such that the attached
- FIG. 3 shows a second embodiment variant of a filter.
- the axial securing of the filter 14 is alternatively carried out.
- the filter is arranged to be distributed 14 by a stud 13 around, so that in turn causes an inner surface of the branch 8 is a radial securing of the Fil ⁇ ters fourteenth
- An axial securing is again realized by ei ⁇ ne base plate.
- the face plate 15, a dome-shaped cover 16 is provided to make an axial Siche ⁇ tion of the filter 14 and to prevent removal of the filter 14 in the direction of the access opening.
- the filter 16 corresponds to a ball cap, wherein the hood 16 in the cross section, which is formed by the sockets 7a, 7b on the phase conductor section 6 protrudes.
- An improved dielectric shielding of the filter 14 in the direction of the access opening 9 can be realized by the dome-shaped design of the axial lock. Further, by the hood shape of the area which serves to receive the filter 14, increased.
- the filter 14 is in turn arranged within the known phases senleiterabismees. 6 Now, however, is pre ⁇ see that the filter is arranged in a basket 17 fourteenth
- the basket 17 has large openings in order to be able to flood the basket 17 with electrically insulating fluid.
- the basket 17 is with a basket bottom on the bolts 12, which serve to fasten the phase conductor section 6, placed.
- the basket 17 can be fixed in place by being positioned, for example, in a form-fitting or force-locking manner in the interior of the phase conductor section 6.
- the filter 14 is secured in the basket 17, so that the end facing away from the bottom of the basket 17 front side can be kept free of a Sich ceremoniessele ⁇ ment.
- the basket 17, together with the filter 14, can be removed through the access opening 9 or introduced into the phase conductor section 6.
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Installation Of Bus-Bars (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017201305.2A DE102017201305A1 (de) | 2017-01-27 | 2017-01-27 | Fluidisolierte Elektroenergieübertragungseinrichtung |
| PCT/EP2018/050094 WO2018137900A2 (de) | 2017-01-27 | 2018-01-03 | Fluidisolierte elektroenergieübertragungseinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3549218A2 true EP3549218A2 (de) | 2019-10-09 |
Family
ID=60990783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18700451.0A Withdrawn EP3549218A2 (de) | 2017-01-27 | 2018-01-03 | Fluidisolierte elektroenergieübertragungseinrichtung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3549218A2 (de) |
| DE (1) | DE102017201305A1 (de) |
| WO (1) | WO2018137900A2 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3814830A (en) | 1973-02-05 | 1974-06-04 | Ite Imperial Corp | Low dielectric stress termination for gas-insulated transmission system |
| US3856978A (en) | 1974-02-21 | 1974-12-24 | Westinghouse Electric Corp | Adherent coating for captivating small particles in gas-insulated electrical equipment |
| JPS54142537A (en) * | 1978-04-27 | 1979-11-06 | Mitsubishi Electric Corp | Gas insulated electric appliances |
| US4417094A (en) | 1982-06-21 | 1983-11-22 | Brown Boveri Electric Inc. | Underwater gas-insulated cable with plural internal pressures |
| DE29516725U1 (de) * | 1995-10-12 | 1997-02-13 | Siemens AG, 80333 München | Hochspannungsrohrgasleiter |
| DE10014678C2 (de) | 2000-03-17 | 2002-02-07 | Siemens Ag | Filterbeutel |
| WO2015145654A1 (ja) * | 2014-03-27 | 2015-10-01 | 三菱電機株式会社 | ガス絶縁母線 |
-
2017
- 2017-01-27 DE DE102017201305.2A patent/DE102017201305A1/de not_active Withdrawn
-
2018
- 2018-01-03 EP EP18700451.0A patent/EP3549218A2/de not_active Withdrawn
- 2018-01-03 WO PCT/EP2018/050094 patent/WO2018137900A2/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018137900A2 (de) | 2018-08-02 |
| WO2018137900A3 (de) | 2018-10-04 |
| DE102017201305A1 (de) | 2018-08-02 |
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