US20090015991A1 - Gas-Insulated Switchgear Assembly Having An Inspection Window For Visually Detecting The Switching Position Of The Switching Contacts - Google Patents

Gas-Insulated Switchgear Assembly Having An Inspection Window For Visually Detecting The Switching Position Of The Switching Contacts Download PDF

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Publication number
US20090015991A1
US20090015991A1 US11/628,995 US62899505A US2009015991A1 US 20090015991 A1 US20090015991 A1 US 20090015991A1 US 62899505 A US62899505 A US 62899505A US 2009015991 A1 US2009015991 A1 US 2009015991A1
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US
United States
Prior art keywords
gas
switchgear assembly
insulated switchgear
housing
switching
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.)
Abandoned
Application number
US11/628,995
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English (en)
Inventor
Maik Hyrenbach
Kasimir Mai
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ABB Technology AG
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ABB Technology AG
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Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35207657&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20090015991(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ABB Technology AG filed Critical ABB Technology AG
Assigned to ABB TECHNOLOGY AG reassignment ABB TECHNOLOGY AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HYRENBACH, MAIK, MAI, KASIMIR
Publication of US20090015991A1 publication Critical patent/US20090015991A1/en
Abandoned legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/045Details of casing, e.g. gas tightness
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/0356Mounting of monitoring devices, e.g. current transformers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/0015Means for testing or for inspecting contacts, e.g. wear indicator
    • H01H2001/0021Camera or endoscope for monitoring contacts, their position or mechanism
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H2009/0083Details of switching devices, not covered by groups H01H1/00 - H01H7/00 using redundant components, e.g. two pressure tubes for pressure switch
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers
    • H01H2009/0292Transparent window or opening, e.g. for allowing visual inspection of contact position or contact condition
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003Earthing switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16Indicators for switching condition, e.g. "on" or "off"

Definitions

  • the invention relates to a gas-insulated switchgear assembly, in particular a gas-insulated medium-voltage switchgear assembly, in accordance with the precharacterizing clause of patent claim 1 .
  • electrical switchgear assemblies in particular medium-voltage switchgear assemblies, also contain a disconnector, which is arranged, for example, between the circuit breaker and the busbar current path.
  • This disconnector can assume two or three positions: connected position, disconnected position and possibly grounding position. This disconnector is therefore in the form of a two-position or three-position disconnector.
  • the movable contact piece of the disconnector In the connected position, a connection to the voltage-carrying busbar is produced and, in the grounding position, a connection to ground is produced, for example.
  • the movable contact piece of the disconnector In the disconnected position, the movable contact piece of the disconnector is located in a central position between the connected position and the grounding position.
  • disconnectors are used as an independent device in the same gas area as the circuit breaker or in a separate gas area, in particular in the case of double-busbar arrangements.
  • the electrical part of these devices is always part of the gas area and is connected to the drive by means of a gas-tight bushing, which drive is usually located outside the gas area and is generally in the form of a mechanical drive in medium-voltage applications.
  • firstly a three-position disconnector and secondly a two-position disconnector (no grounding position) are located in the two separate busbar areas.
  • the switching positions are transmitted to position displays by means of elements which are mechanically coupled to the drive and are signaled by means of auxiliary switches or proximity sensors.
  • further positions (such as the grounding position, for example) can be signaled in contactless fashion via reed contacts, which results in redundant position signaling with correspondingly increased reliability.
  • the invention is based on the object of meeting additional safety requirements in two-position and three-position disconnectors in gas-insulated switchgear assemblies, as well.
  • the essence of the invention is that an inspection window is introduced/fitted in the housing of the switchgear assembly such that the positions of the switching contact elements can be seen from outside the housing directly or indirectly via optical means. Owing to the inspection it is possible to make sure of the switching state achieved or desired. This would be the test, for example, as to whether the disconnector has also actually arrived at the grounded position. The isolated line would thus be demonstrably safe in a working environment.
  • At least the respective movable switching contact element is provided with a colored or topographical marking, which changes its position with respect to a fixed marking or reference structure depending on the switching position. It is thus easily possible for the presently reached switching position to be tested.
  • the inspection window is arranged in the housing such that, as a result, the hermetic seal of the housing is maintained.
  • An important factor here is the functional maintenance of the conditions of the gas-insulated switchgear assembly even when an inspection window is introduced. In a corresponding manner, the inspection window can therefore be introduced in a sealed manner into the housing.
  • a pressure overload triggering device is arranged within the housing and is triggered markedly before the bursting limit of the inspection window.
  • the optical means comprise at least one mirror, via which the marking or markings can be seen.
  • One further advantageous refinement provides that, in order to inspect the switching positions in a polyphase arrangement, the position of the inspection window and of the markings is selected in relation to one another in such a way that the latter can be inspected safely.
  • one advantageous refinement provides that, in order to inspect the switching positions, one or more inspection windows are provided.
  • the design is such that illumination means are provided outside the housing which illuminate the markings for inspection thereof, in order to make it possible to clearly identify the switching state even in poor lighting conditions.
  • FIG. 1 shows switching position assessment in the disconnector ON position
  • FIG. 2 shows switching position assessment in the grounding device ON position.
  • the visual switching position assessment makes it possible to check the switching state of the switching device located in the interior of a gas-insulated switchgear assembly easily through an inspection window 9 in the encapsulating wall of the housing 10 , which is only illustrated partially here.
  • the switching position i.e. the position of the movable contact 4 in relation to the fixed contacts 1 , 2 and 3 , is assessed by means of a marking 5 on the, for example, cylindrical contact piece 4 .
  • the respective switching position is in this case clearly associated with the position of the marking 5 or other prominent regions of the movable contact in relation to the fixed contacts.
  • Actuation takes place via the spindle 6 , which is connected to the drive 8 .
  • the switching position illustrated here is the disconnector ON position.
  • switchgear assemblies which are used in the medium-voltage range, voltages of up to 40 kV are present. Since such switchgear assemblies also serve the purpose, inter alia, of isolating line regions for maintenance and extension work, safe shutdown is without doubt an extremely important requirement for the safety of human life.
  • FIG. 2 shows the switching position in the grounding device ON position. This position, as is also the case for any other position, can be inspected in the manner described. In this case, this switching position and the possibility for visually inspecting this position according to the invention is of considerable importance in terms of safety.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)
US11/628,995 2004-06-09 2005-06-07 Gas-Insulated Switchgear Assembly Having An Inspection Window For Visually Detecting The Switching Position Of The Switching Contacts Abandoned US20090015991A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004028275 2004-06-09
DE102004028275.7 2004-06-09
PCT/EP2005/006079 WO2005122352A1 (de) 2004-06-09 2005-06-07 Gasisolierte schaltanlage mit ein sichtfenster zur optischen erfassung die schaltstellung der schaltkontakten

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/006079 A-371-Of-International WO2005122352A1 (de) 2004-06-09 2005-06-07 Gasisolierte schaltanlage mit ein sichtfenster zur optischen erfassung die schaltstellung der schaltkontakten

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/770,686 Continuation US9343881B2 (en) 2004-06-09 2013-02-19 Gas-insulated switchgear

Publications (1)

Publication Number Publication Date
US20090015991A1 true US20090015991A1 (en) 2009-01-15

Family

ID=35207657

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/628,995 Abandoned US20090015991A1 (en) 2004-06-09 2005-06-07 Gas-Insulated Switchgear Assembly Having An Inspection Window For Visually Detecting The Switching Position Of The Switching Contacts
US13/770,686 Active US9343881B2 (en) 2004-06-09 2013-02-19 Gas-insulated switchgear

Family Applications After (1)

Application Number Title Priority Date Filing Date
US13/770,686 Active US9343881B2 (en) 2004-06-09 2013-02-19 Gas-insulated switchgear

Country Status (6)

Country Link
US (2) US20090015991A1 (de)
CN (2) CN1965453A (de)
AU (1) AU2005253220B2 (de)
CA (1) CA2567781C (de)
DE (2) DE112005001286A5 (de)
WO (1) WO2005122352A1 (de)

Cited By (13)

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US20120247933A1 (en) * 2011-03-28 2012-10-04 Schneider Electric Infrastructure Limited Switchgear assembly
US8723069B2 (en) 2009-06-23 2014-05-13 Siemens Aktiengesellschaft Viewing window and ground contact connection for a high-voltage arrangement
US8803012B2 (en) 2009-06-23 2014-08-12 Siemens Aktiengesellschaft High-voltage assembly
US8829371B2 (en) 2009-06-23 2014-09-09 Siemens Aktiengesellschaft High-voltage arrangement
CN104377070A (zh) * 2014-09-12 2015-02-25 宁波耀华电气科技有限责任公司 带有楔形绝缘装置的隔离开关
US9362071B2 (en) 2011-03-02 2016-06-07 Franklin Fueling Systems, Inc. Gas density monitoring system
US10276318B1 (en) 2013-03-15 2019-04-30 Innovative Switchgear IP, LLC Insulated switch
US20190318887A1 (en) * 2018-04-17 2019-10-17 Eaton Intelligent Power Limited Illuminated visible break
US10666907B2 (en) 2014-10-14 2020-05-26 China Xd Electric Co., Ltd. Internal video monitoring system and method for GIS device
US10673212B2 (en) 2014-12-11 2020-06-02 Mitsubishi Electric Corporation Switchgear
US10883948B2 (en) 2012-02-20 2021-01-05 Franklin Fueling Systems, Llc Moisture monitoring system
CN115863080A (zh) * 2023-02-24 2023-03-28 厦门顾德益电气股份有限公司 一种状态可视的固体开关设备
US20230344204A1 (en) * 2022-04-21 2023-10-26 Jst Power Equipment, Inc. Circuit breaker with indicator of breaker position

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DE112005001286A5 (de) 2004-06-09 2007-05-24 Abb Technology Ag Gasisolierte Schaltanlage mit ein Sichtfenster zur optischen Erfassung die Schaltstellung der Schaltkontakten
DE102005029600A1 (de) 2004-06-28 2006-01-19 Abb Technology Ag Gasisolierte Mittelspannungs-Schaltanlage
US8057852B2 (en) 2006-11-23 2011-11-15 National Research Council Of Canada Microdevice for a fluorescence-based assay, and a method for making the microdevice
WO2009076975A1 (en) * 2007-12-14 2009-06-25 Abb Technology Ag Medium-voltage switchgear assembly
FR2929442B1 (fr) * 2008-03-26 2012-12-14 Pommier Dispositif de coupure electrique avec visibilite augmentee
US7800888B2 (en) * 2008-11-13 2010-09-21 Eaton Corporation Motor control center subunit having visible contact disconnection and method of manufacture
WO2011020512A1 (de) * 2009-08-20 2011-02-24 Siemens Aktiengesellschaft Schaltermodul für eine mittelspannungsschaltanlage und mittelspannungsschaltanlage
DE102010004981B3 (de) * 2010-01-18 2011-07-21 Abb Technology Ag Metallgekapselter, gasisolierter kombinierter Trenn- und Erdungsschalter
CN102064052A (zh) * 2010-12-24 2011-05-18 张兴莲 一种变电站高压断路器状态信号采集装置
CN103915301B (zh) * 2014-04-25 2017-10-10 爱启(厦门)电气技术有限公司 固体绝缘真空开关三工位隔离接地开关装置
DE202014104584U1 (de) 2014-09-25 2014-10-17 Abb Technology Ag Gasisolierte Schaltanlage mit im Schaltraum angeordneten lichtemittierenden Mitteln
CN104749500B (zh) * 2015-02-28 2018-03-02 平高集团有限公司 一种带有放电观察窗的gis设备
US10141127B2 (en) * 2015-12-16 2018-11-27 Abb Schweiz Ag High-speed communications coupling for use in a circuit breaker assembly
WO2018006952A1 (en) * 2016-07-06 2018-01-11 Abb Schweiz Ag Fast earthing switch device for hv applications
EP3696836A1 (de) * 2019-02-18 2020-08-19 ABB Schweiz AG Schalter für eine mittel- oder hochspannungsschaltanlage
EP3836182B1 (de) * 2019-12-11 2023-03-08 ABB Schweiz AG Trennschalter mit drei positionen
WO2021120168A1 (en) * 2019-12-20 2021-06-24 Abb Power Grids Switzerland Ag Imaging system for electrical apparatus
GB2601746B (en) * 2020-12-08 2023-01-25 Eaton Intelligent Power Ltd Switch having a position indicator
EP4089698A1 (de) * 2021-05-14 2022-11-16 ABB Schweiz AG Trennschalter mit drei positionen
EP4089700A1 (de) * 2021-05-14 2022-11-16 ABB Schweiz AG Trennschalter mit drei positionen
CA3159684A1 (en) 2021-05-21 2022-11-21 G & W Electric Company Status indicator for switchgear

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US4555603A (en) * 1982-07-26 1985-11-26 Hitachi, Ltd. Grounding switch
US4709291A (en) * 1984-09-07 1987-11-24 Siemens Aktiengesellschaft Protective device for preventing blowout of bushing in high-voltage switching installation
US4821140A (en) * 1986-09-29 1989-04-11 Mitsubishi Denki Kabushiki Kaisha Gas insulated switchgear disconnector arrangement
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US5864107A (en) * 1996-05-24 1999-01-26 S&C Electric Company Switchgear assembly
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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8723069B2 (en) 2009-06-23 2014-05-13 Siemens Aktiengesellschaft Viewing window and ground contact connection for a high-voltage arrangement
US8803012B2 (en) 2009-06-23 2014-08-12 Siemens Aktiengesellschaft High-voltage assembly
US8829371B2 (en) 2009-06-23 2014-09-09 Siemens Aktiengesellschaft High-voltage arrangement
US9362071B2 (en) 2011-03-02 2016-06-07 Franklin Fueling Systems, Inc. Gas density monitoring system
US20120247933A1 (en) * 2011-03-28 2012-10-04 Schneider Electric Infrastructure Limited Switchgear assembly
US9148000B2 (en) * 2011-03-28 2015-09-29 Schneider Electric Infrastructure Limited Switchgear assembly including a transparent viewing port for visual observation of contacts
US10883948B2 (en) 2012-02-20 2021-01-05 Franklin Fueling Systems, Llc Moisture monitoring system
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CN103138199B (zh) 2018-08-24
WO2005122352A1 (de) 2005-12-22
AU2005253220A1 (en) 2005-12-22
CN103138199A (zh) 2013-06-05
DE202005021334U1 (de) 2007-09-27
AU2005253220B2 (en) 2008-10-23
CA2567781C (en) 2010-08-10
US20130163165A1 (en) 2013-06-27
US9343881B2 (en) 2016-05-17
CN1965453A (zh) 2007-05-16
CA2567781A1 (en) 2005-12-22
DE112005001286A5 (de) 2007-05-24

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