WO2009065773A1 - Ensemble avec un appareil de commutation et un transformateur - Google Patents

Ensemble avec un appareil de commutation et un transformateur Download PDF

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Publication number
WO2009065773A1
WO2009065773A1 PCT/EP2008/065545 EP2008065545W WO2009065773A1 WO 2009065773 A1 WO2009065773 A1 WO 2009065773A1 EP 2008065545 W EP2008065545 W EP 2008065545W WO 2009065773 A1 WO2009065773 A1 WO 2009065773A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching device
transformer
arrangement
electrical
insulating
Prior art date
Application number
PCT/EP2008/065545
Other languages
German (de)
English (en)
Inventor
Thomas Liebach
Peter Stenzel
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 WO2009065773A1 publication Critical patent/WO2009065773A1/fr

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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
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
    • 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
    • H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • 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
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling

Definitions

  • the invention relates to an arrangement with a switching device and a transformer, wherein the switching device on the one hand ei ⁇ NEN connection, which is set for connection to a Ab ⁇ section of an electrical power supply network ⁇ , and on the other hand is in electrical connection with the transformer.
  • Electric power grids such as high and ⁇ telthesesmakerss7-8e, usually have transformer stations, in which an electrical conversion between see different voltage levels of the electrical E nergiemakerss7-8es takes place.
  • transformers ⁇ factors are usually via switching devices, such as circuit breakers or circuit breaker connected to the electrical power supply network.
  • switching devices such as circuit breakers or circuit breaker connected to the electrical power supply network.
  • FIG. 1 shows an arrangement 10 with a transformer and a switching device 12. Both the transformer 11 and the switching device 12 are arranged on separate bases 16 and 17.
  • the electrical connection between the transformer 11 and the switching device 12 is formed by an open air line 13.
  • an insulated open air connection 14 is guided out of the transformer housing to the open air line 13, which in turn is connected to a further insulated outdoor connection 15 of the switching device.
  • a further isolated outdoor connection 18 of the switching device 12 is finally guided via a further open-air line 19 to the electrical energy supply network, for example an overhead line network carried by overhead transmission towers.
  • the object of the invention is to simplify constructively an arrangement of the known type.
  • An advantageous embodiment of the arrangement according to the invention is that the electrical switching device is held on the transformer.
  • the maximum reduction of the required base area for the arrangement is achieved because the transformer itself serves as a base for the switching device.
  • appropriate transmission towers for the electrical power grid may be such an arrangement in which the switching device is arranged directly at the transformer, directly below the free ⁇ electricity pylon, to which an electrical connection is to take place with the e- lektrischen energy supply network, is repealed.
  • An alternative embodiment of the arrangement according to the invention provides that the electrical switching device is arranged laterally next to the transformer. This makes it possible a lower height than in the previous alternative Errei ⁇ chen, but at the same time the required footprint et ⁇ what increases.
  • An insulating agent contained in the insulating bushing may be formed, for example, by a solid, such as a casting resin. Especially advantageous is, however, considered when the isolation means in the isolati ⁇ ons die enclosureen SF 6 gas contains (sulfur hexafluoride), or an iso lieröl.
  • Another advantageous embodiment of the invention shown SEN arrangement also provides for the switching device, the transformer, and the insulating bushing contain a common insulating means, so that the common insulation means between the transformer and the switching device can circulate.
  • the common insulation means is a gas or a liquid and can circulate between the transformer and the switching device, it is advantageously possible to use the waste heat generated in the transformer to heat the switching device in particularly cold environments by simultaneously applying the insulating means is used as a heat transfer medium.
  • the transformer contains a coolant and is connected to the switching device via a coolant line, so that the coolant can circulate between the transformer and the switching device.
  • a further advantageous embodiment of the invention shown SEN arrangement stipulates that the switching device is supported by a grounded holder. Such an embodiment ensures the required in particular in high-voltage networks ⁇ ferred electrical safety for in the vicinity of the Anord ⁇ tion lagging operating personnel.
  • the switching device is a single-pole switching device. In this way the simplest possible construction is achieved.
  • a plurality of single-pole switching devices are held on the common base portion, which are electrically connected to the transformer by a multi-pole insulation bushing or more single-pole insulation feedthroughs.
  • Figure 1 shows an arrangement with a switching device and a
  • FIG. 2 shows an arrangement with a switching device and a transformer, in which the switching device is held on the transformer
  • Figure 3 shows an arrangement with a switching device and a
  • Figure 4 shows an arrangement with a switching device and a
  • Transformer in which the switching device is arranged laterally next to the transformer and additionally increased.
  • FIG. 2 shows an arrangement 20 in which an electrical transformer 22 is arranged on a base section 21.
  • the transformer 22 is connected via a not-shown first terminal to a first voltage level, also not shown, of the power supply network.
  • a switching device 23 On the transformer 22, a switching device 23 is held, which may be, for example, a circuit breaker or a circuit breaker. A contact of the switching device 23 is connected to a corresponding electrical connection of the transformer 22 via an insulating bushing 24 in electrical lektrischer connection.
  • the insulation feedthrough here represents an uninterrupted connection between the transformer 22 and the switching device 23, so that the outer encapsulations of the transformer 22 and of the switching device 23 virtually merge into one another through the insulating bushing.
  • the other contact of the switching device 23 is connected via a provided with an insulating section 25 outdoor connection 26 and an outdoor connection 27 to an overhead line 28 a second voltage level of not further dargestell ⁇ th electrical energy supply network, for example ei ⁇ nes electrical high-voltage network connected.
  • the arrangement 20 shown in FIG. 2 has a comparatively small footprint in the form of the common base section 21, since the switching device 23 is arranged on the transformer 22.
  • the switching device 23 can ent ⁇ speaking execution either directly on a roof surface of the transformer 22 or - as indicated in Figure 2 - on an additional support surface 29 which on the transformer
  • the insulating agent contained in the insulating bushing 24 may be, for example, a solid such as a cast resin.
  • a gaseous insulating agent for example a SF 6 gas (sulfur hexafluoride gas) or a corresponding insulating oil may also be contained in the insulating agent.
  • the insulating means in which the insulating means is formed by a gaseous or liquid substance, may also be provided in an advantageous manner that in the electrical switching device 23, the transformer 22 and the insulation bushing 24 a common
  • Insulation is included and this common Isolati ⁇ onsstoff between the transformer 22 and the switching device
  • the insulation bushing 24 additionally forms a bushing for the insulating agent.
  • the circulation can be achieved here by free convection or in a forced manner, for example by a pump or a compressor.
  • Such an arrangement is particularly advantageous in very cold environments, since in this case the insulating means heated by the waste heat of the transformer 22 can flow through the feedthrough 24 into the switching device 23 and thus contribute to a heating of the switching means 23. Separate heating of the switching means in order to protect it in cold environments from liquefaction of an insulating gas (eg SF 5 ), from freezing or from cold To protect damage is thus not necessary in such an arrangement.
  • an insulating gas eg SF 5
  • the switching device 23 is shown in Figure 2 as a single-pole switching device, which with a single phase of the electric
  • Power supply network 28 is connected.
  • ei ⁇ nes single-pole switching device and a plurality of single-pole switching devices can be used in which either a multi-pole insulation bushing 24 or more single-pole Iso ⁇ lations justify installationen for electrical connection of the transformer 22 are used with the switching devices in a multi-phase power supply network.
  • Alterna ⁇ tively the use of a multi-pole switching device is possible to achieve transmission network connecting to a multi-phase Energyversor-.
  • FIG. 3 shows an embodiment with an arrangement 30, in which a switching device 31 is arranged laterally next to a transformer 32.
  • An electrical connection between a contact of the switching device 31 and a corresponding connection of the transformer 32 is given by way of example via an insulating bushing 33 emerging laterally from the transformer 32.
  • the switching device 31 is held by a grounded bracket 34.
  • a coolant ⁇ line 35 is provided between the transformer 32 and the switching device 31st This may for example be connected to a coolant overflow vessel 36 of the transformer 32.
  • a coolant present in the transformer 32 can circulate in free or forced convection between the transformer 32 and the switching device 31. In this case, the coolant absorbs waste heat generated in the transformer and transports it into the waste heat
  • Switching device 31 where it is used to heat it.
  • Such an embodiment can be achieved in particular with the tight spatial arrangement of transformer 32 and switching device 31 with simple structural means.
  • Such a form of heating of the switching device may alternatively or additionally to the heating of the switching device via a common insulation means - as already explained for Figure 2 - may be provided.
  • the further characteristics of the arrangement 30 correspond to those of the arrangement 20 with the switching device held on the transformer.
  • FIG. 4 shows a further embodiment with an arrangement 40, in which a switching device 41 is arranged laterally next to a transformer 42.
  • the switching device 41 is arranged on an elevated earthed holder 43 in order to ensure even more increased electrical safety for operating personnel of the system.
  • the electrical connection between a terminal of the transformer 42 and a contact of the electrical switching device 41 is achieved by an insulating bushing 44, which protrudes from the top of the transformer 42 and is introduced laterally into the switching device 41.
  • insulating bushing 44 protrudes from the top of the transformer 42 and is introduced laterally into the switching device 41.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

L'invention concerne un ensemble (20, 30) avec un appareil de commutation (23, 31) et un transformateur (22, 32), sachant que l'appareil de commutation (23, 31) : d'une part présente une connexion qui est conçue pour la liaison avec une section d'un réseau de distribution d'énergie électrique ; et d'autre part se trouve en liaison électrique avec le transformateur (22, 32). L'invention vise à concevoir un tel ensemble d'une construction la plus simple possible. À cet effet, l'appareil de commutation électrique (23, 31) et le transformateur (22, 32) sont maintenus sur une partie socle commune (21), et la liaison électrique entre l'appareil de commutation (23, 31) et le transformateur (22, 32) passe par une traversée électrique isolée (24, 33).
PCT/EP2008/065545 2007-11-23 2008-11-14 Ensemble avec un appareil de commutation et un transformateur WO2009065773A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710057017 DE102007057017A1 (de) 2007-11-23 2007-11-23 Anordnung mit einem Schaltgerät und einem Transformator
DE102007057017.3 2007-11-23

Publications (1)

Publication Number Publication Date
WO2009065773A1 true WO2009065773A1 (fr) 2009-05-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/065545 WO2009065773A1 (fr) 2007-11-23 2008-11-14 Ensemble avec un appareil de commutation et un transformateur

Country Status (2)

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DE (1) DE102007057017A1 (fr)
WO (1) WO2009065773A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017186749A1 (fr) * 2016-04-29 2017-11-02 Siemens Aktiengesellschaft Ensemble de transformateurs monophasés
CN109906493A (zh) * 2016-10-24 2019-06-18 西门子股份公司 移动式变压器套管连接件
CN111052274A (zh) * 2017-09-04 2020-04-21 西门子股份公司 用于连接到高压网络的具有可调节的阻抗的装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103238192B (zh) * 2010-07-28 2016-01-20 欧玛嘉宝公司 模块化变电站
RU2685710C2 (ru) 2014-09-17 2019-04-23 Сименс Акциенгезелльшафт Пуленепробиваемая электрическая установка
DE102017223817A1 (de) * 2017-12-27 2019-06-27 Siemens Aktiengesellschaft Umspannwerk

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515860A1 (fr) * 1981-11-05 1983-05-06 Mitsubishi Electric Corp Dispositif formant transformateur
EP1113547A1 (fr) * 1999-12-30 2001-07-04 ABB T&D Technologies Ltd. Sous-station électrique
EP1750360A1 (fr) * 2005-08-03 2007-02-07 ABB Research Ltd Dispostif de convertisseur à plusieurs niveaux et son utilisation

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DE649842C (de) * 1936-05-17 1937-09-10 Bernhard Jansen Dr Ing Unter Last umschaltbarer Stufentransformator
CH473494A (de) * 1968-04-22 1969-05-31 Bbc Brown Boveri & Cie Freiluft-Hochspannungsschaltanlage mit zu einer Einheit zusammengebautem Transformator und Druckgasschalter
JPS5765207A (en) * 1980-10-07 1982-04-20 Mitsubishi Electric Corp Gas insulated substation
DE69232354T2 (de) * 1991-08-23 2002-08-29 Mitsubishi Denki K.K., Tokio/Tokyo Energieversorgungsaggregat für ein Stromverteilungssystem
DE4244636C2 (de) * 1992-12-30 1995-11-30 Aeg Tro Transformatoren Gmbh Verfahren zum Komplettieren eines in der Regel aus Kessel, Deckel und Ausdehnungsgefäß bestehenden Behälters für einen Transformator oder eine Drosselspule
DE4423071C1 (de) * 1994-07-01 1996-03-21 Reinhausen Maschf Scheubeck Gasisolierter Stufenschalter
IT1311070B1 (it) * 1999-03-04 2002-02-28 Abb Ricerca Spa Sottostazione per la trasmissione e distribuzione di energiaelettrica per applicazioni di alta e/o media tensione.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515860A1 (fr) * 1981-11-05 1983-05-06 Mitsubishi Electric Corp Dispositif formant transformateur
EP1113547A1 (fr) * 1999-12-30 2001-07-04 ABB T&D Technologies Ltd. Sous-station électrique
EP1750360A1 (fr) * 2005-08-03 2007-02-07 ABB Research Ltd Dispostif de convertisseur à plusieurs niveaux et son utilisation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017186749A1 (fr) * 2016-04-29 2017-11-02 Siemens Aktiengesellschaft Ensemble de transformateurs monophasés
CN109074939A (zh) * 2016-04-29 2018-12-21 西门子股份公司 单相变压器装置
US10262791B2 (en) 2016-04-29 2019-04-16 Siemens Aktiengesellschaft Arrangement of single phase transformers
CN109906493A (zh) * 2016-10-24 2019-06-18 西门子股份公司 移动式变压器套管连接件
CN111052274A (zh) * 2017-09-04 2020-04-21 西门子股份公司 用于连接到高压网络的具有可调节的阻抗的装置
US11594368B2 (en) 2017-09-04 2023-02-28 Siemens Energy Global GmbH & Co. KG Assembly for connection to a high-voltage system with adjustable impedance

Also Published As

Publication number Publication date
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