WO2017012775A1 - Installation de haute et moyenne tension pourvue d'une chambre isolante et d'un absorbeur à membrane sélective - Google Patents

Installation de haute et moyenne tension pourvue d'une chambre isolante et d'un absorbeur à membrane sélective Download PDF

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Publication number
WO2017012775A1
WO2017012775A1 PCT/EP2016/063288 EP2016063288W WO2017012775A1 WO 2017012775 A1 WO2017012775 A1 WO 2017012775A1 EP 2016063288 W EP2016063288 W EP 2016063288W WO 2017012775 A1 WO2017012775 A1 WO 2017012775A1
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WO
WIPO (PCT)
Prior art keywords
medium
sorbent
insulating
decomposition products
membrane
Prior art date
Application number
PCT/EP2016/063288
Other languages
German (de)
English (en)
Inventor
Thomas Hammer
Werner Hartmann
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2017012775A1 publication Critical patent/WO2017012775A1/fr

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Classifications

    • 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

  • the invention relates to a high and medium voltage system according to the preamble of patent claim 1.
  • high voltage parts are often electrically isolated from each other by special gas fillings. These include, for example, so-called gas-insulated switches (GIS) and gas-insulated lines (GIL).
  • GIS gas-insulated switches
  • GIL gas-insulated lines
  • a part of the high-voltage system is designed as a gas-tight hollow body and the interior with the high-voltage-carrying parts with
  • Sulfur hexafluoride SF 6 or mixtures thereof with nitrogen are preferably used as this gas and its mixtures obtained with nitrogen high dielekt ⁇ generic strength, even at low operating temperatures, while relatively high pressures are required with nitrogen and dry air or nitrogen and carbon dioxide, which structurally complex and therefore require very costly solutions.
  • Respectively fluoroketones are present partially in flüssi ⁇ ger shape, and it is an additional adsorber for decomposition products of the fluoroketones provided.
  • Materia ⁇ lien activated carbon and zeolites are called for the adsorbent.
  • the adsorber removes decomposition products generated during operation. In order to reliably fulfill its function, however, such an adsorber must be able to distinguish between decomposition products and the original gas.
  • adsorbers such as the cited zeolites, which are distinguished by nanopores in size, are in the La ⁇ ge, similar in their chemical or physical properties forth similar substances in a wider range of molecular sizes below the Diameter of their nanopores auf ⁇ increase, larger molecules, however, which are caused by recombination of reactive decomposition products, but can not be absorbed.
  • Molecules that differ in their chemical or physical properties of comparable size are adsorbed with different selectivity.
  • Activated charcoal can bind molecules in a wide range ⁇ sizes, but is rather selective to the chemical properties.
  • the device described in the document does not solve the problem of gas recycling of high or medium voltage system ⁇ .
  • the substitute gases are usually decomposed easier than SF 6 , thereby forming much higher densities of reactive radicals, which can recombine to other stable, partially heavier product gases, and they have chemically more similarity with their decomposition products. This increases the risk that the extinguishing and Iso ⁇ liergas not only weak but may be more strongly adsorbed as its decomposition products.
  • the object of the invention is thus to find a solution for avoiding manual cleaning of gas-insulated installations and for gas recycling, when SF 6 is replaced as an insulating gas.
  • the solution of the problem consists in a high or medium voltage system with the features of claim 1.
  • the inventive system can also as gas insulator high and Medium voltage system can be referred to and includes, for example, a so-called gas-insulated line (GIL) or a gas-insulated switch (GIS).
  • GIL gas-insulated line
  • GIS gas-insulated switch
  • Such a system has a Iso ⁇ lierraum, which is filled with an insulating medium, as well as a sorbent, and the system is characterized in that the sorbent is shielded by a selectively permeable membrane against a Isolierraumatmospreheat.
  • the membrane is related to decomposition products.
  • the membrane allows certain decomposition products, such as low molecular weight or high-molecular decomposition products of the insulating gas selectively, wherein the sorbent including this cerium ⁇ reduction product sorbs the gaseous insulating medium.
  • decomposition products such as low molecular weight or high-molecular decomposition products of the insulating gas selectively
  • the sorbent including this cerium ⁇ reduction product sorbs the gaseous insulating medium.
  • the sorbent for the decomposition products or the sorpti- onsstoff if several different decomposition products are selectively absorbed, are thus enveloped by the selective membrane such that in normal operation, the sorbent does not come into contact with the gas filling.
  • sorption or sorbent is a generic term for adsorption and absorption.
  • Adsorption refers to the accumulation of substances from gases or liquids on the surface of a solid, generally at the interface between two phases. Of these, the absorption, in which the substances penetrate into the interior of a solid or liquid and are bound by che ⁇ mix reaction or by different solubility.
  • a further, second sorbent is provided that is separated from the iso ⁇ lierraum by a valve and that the gasförmi ⁇ ge insulating sorbed. The use of this sorbent for the gaseous insulating medium is useful if the plants or high or medium voltage arrangement is put out of operation or must be opened for maintenance.
  • a further, second selective membrane to be arranged between the insulating space and the second sorbent, this membrane being designed to be selectively selective for the insulating medium, so that the second sorbent provided for the gaseous insulating medium can no decomposition products ge ⁇ long.
  • the sorbent for ⁇ On acceptance of the decomposition products and the corresponding selective membrane with respect to a.
  • the insulated space separate container are arranged. This again facilitates the replacement of the sorbent for the decomposition products and the targeted introduction via valves in this container with the sorbent for the decomposition products.
  • sorbents can be provided for various cerium ⁇ reduction products, which are each surrounded by different selective membranes. This can be useful if decomposition products occur with differing ⁇ chen molecular size, which can not be filtered through a selective membrane. In this case it can be appropriate to provide various selective membrane for the ver ⁇ different molecular sizes or chemical types of decomposition products to separate all of the Zerset ⁇ Zung products safely out of the insulating medium. In this case, for example, a distinction can be made between high molecular weight decomposition products, low molecular weight decomposition products and inorganic decomposition products and water.
  • a further embodiment of the invention is that the second sorbent (14) from the insulating space (2) connected in parallel by ei ⁇ ne the valve (10) rupture disk is open ⁇ separates (18), which when exceeding a maximum admissible ⁇ gen pressure in the insulating space (2) opens and the second Sorpti ⁇ onsstoff (14) with the insulating medium (4) brings into connection. In this way, the insulating medium can be collected accordingly when bursting the rupture disk. This allows the use of toxic Dangerous insulating media, without causing danger to the operator. Further embodiments and further features of the invention will be explained in more detail with reference to the following figures. These are purely exemplary embodiments that do not limit the scope of protection. Features that are provided with the same name, but are shown in different configurations are each provided in the individual figures with the same reference numerals.
  • FIG. 1 shows a schematic representation of a high or medium voltage arrangement or its insulating space and two arranged outside the insulating space container with sorbents
  • Figure 2 is an enlarged view of the container with a
  • Sorbents for decomposition products 3 shows an alternative embodiment of the container with a plurality of selective membranes and a plurality of sorbent to accommodate different products and Zerset ⁇ Zung
  • Figure 4 shows an isolation compartment with a selective membrane container and sorbent for decomposition products therein.
  • Figure 1 is a schematic representation of an insulating space 2 of a high or medium voltage system, example, ⁇ given a gas-insulated pipe or a gas-insulated switch.
  • decomposition products 5, 5 ⁇ of a gaseous insulating medium 4 located therein may occur in this high or medium voltage system.
  • a gaseous insulating medium is understood to mean a medium which is at least partially in gaseous form under operating conditions of the high or medium voltage installation.
  • This is basically a iso liergas that as an extinguishing gas is also, for example, in gas-insulated scarf ⁇ tern use.
  • several different gases or gas mixtures in Iso ⁇ lierraum 2 may be, one component as an insulating and the other acts as a quenching gas.
  • Valves 9 are provided on the insulating space 2, which lead a line to a container 12, wherein a sorbent 6 is provided in the container 12, which is separated from the insulating space 2 by a selective membrane 8. Any occurrence th of the decomposition products 5 in the insulating space 2 can be conducted along the dashed arrow 5 through the valves 9 to the selekti ⁇ ven membrane. 8 The membrane 8 is compared with at least one decomposition product 5, 5 ⁇ selectively, leaving the ⁇ ses through the sorbent. 6
  • the described representation with a selective membrane 8 and sorbent 6 is shown enlarged in FIG. In principle, it may also be expedient, as is shown enlarged in FIG.
  • FIG. 1 shows a second outlet from the insulating space 2, which takes place via a line which is separated by valves 10.
  • the insulating medium 4 indicated by the dashed arrow 4 are passed into a container 16 which comprises a second sorbent 14.
  • This container may analog of loading journalsers 12, which is shown in Figure 2 enlarged, be oriented ⁇ staltet.
  • the second Sorp ⁇ tion means 14, which is arranged behind the membrane 8 in the container 16, is also designed so that it absorbs the insulating medium 4 as well as possible and concentrated.
  • This output from the isolation chamber 2 via the valves 10 is then selected when the high or medium voltage system is to be disabled or must be opened for maintenance.
  • the separation of the different ways to separate the decomposition products 5 and 4 of the insulating gas causes the operating ⁇ continuously, the ⁇ undesirable decomposition products 5, 5 ⁇ continuously directed into a separate container to a designated absorption ⁇ 6.
  • the remaining pure insulating gas is introduced into a further container 16. conducts and is then there in pure form in a second sorbent 14 for recycling.
  • the container 12, shown here with a reference numeral 12 is disposed within the insulating space 2. It is provided with a selective membrane 8, so that any occurring decomposition products 5 can pass through the selective membrane 8 in the container 12 ⁇ and can be absorbed there by the sorbent 6.
  • a selective membrane 8 so that any occurring decomposition products 5 can pass through the selective membrane 8 in the container 12 ⁇ and can be absorbed there by the sorbent 6.
  • Applicable polymers having a suitable chemical structure and / or correspondingly high microporosity, to the decomposition products through a large inner surface Bind sorption. As selectively permeable
  • Membrane material for the selective membrane 8 are in particular polymers with high diffusion coefficients for the most important decomposition products, such as polyethylene suitable so that the insulating gas 4 is reliably separated from the sorbent 6, which is intended for the decomposition products 5, the decomposition products 5, however, the reliable can be achieved by the membrane 8 provided sorbent 6.
  • Suitable membrane materials are nanoporous Membra ⁇ nen, for example, from polymers that pass the low molecular weight decomposition products 5, however, the higher molecular insulating gas molecules retain.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

La présente invention concerne une installation de haute et moyenne tension comportant une chambre isolante (2) contenant un milieu isolant (4) gazeux ainsi qu'un agent de sorption (6). L'agent de sorption (6) est isolé de l'atmosphère de la chambre isolante par une membrane à perméabilité sélective (8), ladite membrane (8) étant conçue pour être sélectivement perméable vis-à-vis des produits de décomposition (5) du milieu isolant, et l'agent de sorption (6) adsorbant ou absorbant les produits de décomposition (5) du milieu d'isolation gazeux (4).
PCT/EP2016/063288 2015-07-20 2016-06-10 Installation de haute et moyenne tension pourvue d'une chambre isolante et d'un absorbeur à membrane sélective WO2017012775A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015213598.5 2015-07-20
DE102015213598.5A DE102015213598A1 (de) 2015-07-20 2015-07-20 Hoch- und Mittelspannungsanordnung mit einem Isolierraum und einem Absorber mit selektiver Membran

Publications (1)

Publication Number Publication Date
WO2017012775A1 true WO2017012775A1 (fr) 2017-01-26

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PCT/EP2016/063288 WO2017012775A1 (fr) 2015-07-20 2016-06-10 Installation de haute et moyenne tension pourvue d'une chambre isolante et d'un absorbeur à membrane sélective

Country Status (2)

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DE (1) DE102015213598A1 (fr)
WO (1) WO2017012775A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018212581A1 (de) 2018-07-27 2020-01-30 Siemens Aktiengesellschaft Elektrisches Schaltgerät

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000010688A1 (fr) * 1998-08-20 2000-03-02 Solvay Fluor Und Derivate Gmbh Division de gaz contenant du sf¿6?
EP1091182A2 (fr) * 1999-10-01 2001-04-11 Kabushiki Kaisha Toshiba Dispositif pour la récupération de gaz
JP2006254614A (ja) * 2005-03-11 2006-09-21 Central Res Inst Of Electric Power Ind ガス絶縁電力機器及びその異常検出方法
JP2009099501A (ja) * 2007-10-19 2009-05-07 Toshiba Corp ガス回収装置及びその方法
WO2012038442A1 (fr) 2010-09-22 2012-03-29 Alstom Grid Sas Appareil de coupure d'un courant electrique de moyenne ou haute tension et son procede de fabrication
WO2014037396A1 (fr) * 2012-09-04 2014-03-13 Abb Technology Ag Procédé de remplissage avec du fluide d'isolation et appareil de remplissage
WO2014173776A1 (fr) * 2013-04-22 2014-10-30 Abb Technology Ag Procédé pour fournir un composant de réduction de contamination à un appareil électrique
WO2014187940A1 (fr) * 2013-05-23 2014-11-27 Abb Technology Ag Appareil électrique comprenant un composant de réduction de la contamination

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6062805A (ja) * 1983-09-16 1985-04-11 株式会社東芝 閉鎖配電盤
DE102007022465A1 (de) * 2007-05-08 2008-11-13 Siemens Ag Anordnung mit einem Kapselungsgehäuse und Verfahren zum Schutz eines Kapselungsgehäuses
CN103430244A (zh) * 2010-12-14 2013-12-04 Abb研究有限公司 介电绝缘介质
CN104380419A (zh) * 2012-02-20 2015-02-25 富兰克林加油系统公司 水分监视系统

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000010688A1 (fr) * 1998-08-20 2000-03-02 Solvay Fluor Und Derivate Gmbh Division de gaz contenant du sf¿6?
EP1091182A2 (fr) * 1999-10-01 2001-04-11 Kabushiki Kaisha Toshiba Dispositif pour la récupération de gaz
JP2006254614A (ja) * 2005-03-11 2006-09-21 Central Res Inst Of Electric Power Ind ガス絶縁電力機器及びその異常検出方法
JP2009099501A (ja) * 2007-10-19 2009-05-07 Toshiba Corp ガス回収装置及びその方法
WO2012038442A1 (fr) 2010-09-22 2012-03-29 Alstom Grid Sas Appareil de coupure d'un courant electrique de moyenne ou haute tension et son procede de fabrication
WO2014037396A1 (fr) * 2012-09-04 2014-03-13 Abb Technology Ag Procédé de remplissage avec du fluide d'isolation et appareil de remplissage
WO2014173776A1 (fr) * 2013-04-22 2014-10-30 Abb Technology Ag Procédé pour fournir un composant de réduction de contamination à un appareil électrique
WO2014187940A1 (fr) * 2013-05-23 2014-11-27 Abb Technology Ag Appareil électrique comprenant un composant de réduction de la contamination

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