EP0517295A2 - Schwefelhexafluoridisolierter Mittelspannungsschalter mit drei Positionen - Google Patents

Schwefelhexafluoridisolierter Mittelspannungsschalter mit drei Positionen Download PDF

Info

Publication number
EP0517295A2
EP0517295A2 EP92201448A EP92201448A EP0517295A2 EP 0517295 A2 EP0517295 A2 EP 0517295A2 EP 92201448 A EP92201448 A EP 92201448A EP 92201448 A EP92201448 A EP 92201448A EP 0517295 A2 EP0517295 A2 EP 0517295A2
Authority
EP
European Patent Office
Prior art keywords
contact
switch
fixed
arms
mobile
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.)
Granted
Application number
EP92201448A
Other languages
English (en)
French (fr)
Other versions
EP0517295A3 (en
EP0517295B1 (de
Inventor
Giampietro Tosi
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.)
Individual
Original Assignee
Individual
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
Priority claimed from ITMI911436A external-priority patent/IT1252615B/it
Priority claimed from ITMI911435A external-priority patent/IT1260588B/it
Priority claimed from ITMI911652A external-priority patent/IT1248067B/it
Application filed by Individual filed Critical Individual
Publication of EP0517295A2 publication Critical patent/EP0517295A2/de
Publication of EP0517295A3 publication Critical patent/EP0517295A3/en
Application granted granted Critical
Publication of EP0517295B1 publication Critical patent/EP0517295B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/022—Details particular to three-phase circuit breakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/886—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts by movement of rotating pistons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses
    • H01H9/102—Fuses mounted on or constituting the movable contact parts of the switch

Definitions

  • line contact switches Although other line contact switches have a visible isolator for earthing, they have to comprise a second device which is also visible and comprises a second inspection door. If a fuse is present, this second device is doubled for earthing upstream and downstream of the fuse.
  • a further object is to provide a switch with maximum possible visibility of isolation or effective earthing.
  • a further but not final object is to provide a switch the component parts of which do not require special positioning within the containing frame, but instead can be directly mounted away from it before insertion.
  • the contacts and pumping device are arranged one after the other but at a certain distance apart, because of which during its operation the pumping element can be soiled with carbon-containing residues and consequently discharge to earth, in addition to having the drawbacks of the previously described switches.
  • two insulating levers 33 are provided, each having a pair of through holes 34 and 35 through which the shafts 27 and 28 are inserted.
  • the levers 33 are angular and at their free end they are connected by a pin 36 to a pair of second levers 37 which move a piston 38 connected to them by a further pin 39.
  • each T-shaped arm 25 has to carry a single contact 47 for engagement with said contacts 42.
  • the switch is provided with fuses ( Figure 3), according to the present invention the fuses 46 are positioned horizontally in an extractable drawer 50 aligned below the insulators coaxial with the three constituent poles of the switch. This positioning of the fuses allows them to be easily extracted and replaced frontally.
  • the pivoting is achieved by a shaft 27 of insulating material which is inserted through each of the three poles and is supported by the U-pieces 23 and the support elements 11.
  • the arms 25 of the three poles are fixed by pins to the shaft 27, coaxial to which there are also the springs 45.
  • the arms 25 are rotated by a flanged extension 128 thereto, which is connected to a complementary flange 124 also extending into a shaft portion emerging from a sealed metal container, not shown, containing the sulphur hexafluoride.
  • a quick snap-action mechanism indicated overall by 32, for engaging the three positions.
  • the switch is provided with fuses ( Figures 12 and 13), according to the present invention the fuses 46 are positioned horizontally in an extractable drawer 50 aligned below the insulators and the three constituent poles of the switch. This positioning of the fuses also allows them to be easily extracted and replaced frontally.
  • Each support element is of specular box type and consists of two mutually complementary parts 210 and 211 connected together by connection means which in the illustrated example consist of holes 213 and relative projecting pins 214 on one and the other of the parts 210, 211.
  • the support element 210, 211 When formed, the support element 210, 211 also carries in a hollow part of its widened base a third intermediate contact 222 which is fixed to the support element 210, 211 by a U-piece 223 closed lowerly and provided with pin extensions 224 on which there is pivoted a hollow cylindrical support 225 of insulating material for a telescopic arm connected to the intermediate contact 222.
  • the pin extensions 224 lie within the cylinder 225 and are maintained rigid with a first fixed expandable outer cylindrical portion 227 of said telescopic arm. Electrical contact is ensured by cup springs 235 provided within recesses 236 formed in the pin extensions 224 and interacting between the support element 210, 211 and said recesses 236.
  • the annular support element 230 comprises a front hole 234 constituting the emission portion for the fluid, such as sulphur hexafluoride, which quenches the arc and is contained in the expandable chamber defined by the two portions 227, 228 of the telescopic arm.
  • the fluid such as sulphur hexafluoride
  • each telescopic arm 227, 228 must comprise a contact extension 242 and a contact element 241 rigid with the half-arms 231 for engagement with said bar contact elements 239.
  • Both the switch provided with only the fixed and moving contacts and the switch provided with said contacts and with further fixed and moving contacts are diagrammatically represented in the schematics of Figure 14 on the front of an electrical panel 250 in the isolated position. These schematics again show that earthing can be achieved by a single arm carrying the moving contact, and that if a fuse is present earthing can be achieved both upstream and downstream of the fuse again by a single arm carrying moving contacts.
  • the switch is provided with fuses ( Figure 16), according to the present invention the fuses 246 are positioned horizontally in an extractable drawer 250 aligned below the insulators coaxially with the three constituent poles of the switch. This positioning of the fuses also allows them to be easily extracted and replaced frontally.
  • the switch of the present invention can be assembled in all its essential parts on the two rear ties 212 in the workshop. In this respect, when the switch has been assembled and completed on said ties, it has merely to be fixed on the interior of the panel structure and the relative conductors connected. This thus eliminates the need for arranging the contacts or special connectors for the insulated support elements in predetermined positions within the panel.
  • each insulated support element and each rotary arm is suitable for use in a switch without or with fuses, so that the additional moving and fixed contacts can then be quickly fitted to them.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Pinball Game Machines (AREA)
  • Fuses (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Circuit Breakers (AREA)
EP92201448A 1991-05-24 1992-05-21 Schwefelhexafluoridisolierter Mittelspannungsschalter mit drei Positionen Expired - Lifetime EP0517295B1 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
ITMI911435 1991-05-24
ITMI911436A IT1252615B (it) 1991-05-24 1991-05-24 Apparecchiatura di manovra-sezionatura a media tensione a tre posizioni isolate in esafluoruro di zolfo.
ITMI911436 1991-05-24
ITMI911435A IT1260588B (it) 1991-05-24 1991-05-24 Apparecchiatura di manovra-sezionatura a media tensione a tre posizioni isolate in esafluoruro di zolfo
ITMI911652 1991-06-17
ITMI911652A IT1248067B (it) 1991-06-17 1991-06-17 Apparecchiatura di manovra-sezionatura compatta isolata a fluido a media tensione a tre posizioni.

Publications (3)

Publication Number Publication Date
EP0517295A2 true EP0517295A2 (de) 1992-12-09
EP0517295A3 EP0517295A3 (en) 1993-03-10
EP0517295B1 EP0517295B1 (de) 1997-12-17

Family

ID=27273943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92201448A Expired - Lifetime EP0517295B1 (de) 1991-05-24 1992-05-21 Schwefelhexafluoridisolierter Mittelspannungsschalter mit drei Positionen

Country Status (4)

Country Link
EP (1) EP0517295B1 (de)
AT (1) ATE161356T1 (de)
DE (1) DE69223549T2 (de)
ES (1) ES2113401T3 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008015032A1 (de) * 2006-07-31 2008-02-07 Siemens Aktiengesellschaft Verschlussdeckel für ein sicherungsgehäuse einer elektrischen schaltanlage
WO2008014875A1 (de) 2006-07-31 2008-02-07 Siemens Aktiengesellschaft Anschlussstuck zum anbringen an einem sicherungsgehause
EP2312603A1 (de) * 2009-10-15 2011-04-20 ABB Technology AG Drehbarer Lasttrennschalter
CN102157296A (zh) * 2011-03-18 2011-08-17 湖州电力局 高压双电源切换组合开关
FR3094836A1 (fr) * 2019-04-02 2020-10-09 Pommier Dispositif de coupure d’arc
EP4057314A1 (de) * 2021-03-11 2022-09-14 ABB Schweiz AG Schaltersicherungsmodul
EP4057315A1 (de) * 2021-03-11 2022-09-14 ABB Schweiz AG Schaltersicherungsmodul
CN119270006A (zh) * 2024-12-05 2025-01-07 江苏恒高电气制造有限公司 一种三相共仓产品的换相耐压试验装置
US12444559B2 (en) 2022-05-12 2025-10-14 Abb Schweiz Ag Medium voltage switching apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE473294A (de) * 1946-05-21
DE976331C (de) * 1954-09-03 1963-07-04 Frobert Michaelis Dipl Ing Druckluftschalter mit selbsterzeugter Blasluft
CH337905A (de) * 1955-12-16 1959-04-30 Bbc Brown Boveri & Cie Mehrpoliger Schalter mit Trennwänden
FR1367073A (fr) * 1963-07-10 1964-07-17 Cem Comp Electro Mec Interrupteur-sectionneur pour installations électriques de préférence préfabriquées
DE8115913U1 (de) * 1981-05-29 1981-08-06 Fritz Driescher Spezialfabrik für Elektrizitätswerksbedarf, 5144 Wegberg Gasisoliertes metallgekapseltes Schaltfeld
DE3215234C2 (de) * 1982-04-23 1986-10-30 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Gekapselte, mit Isoliergas gefüllte Mittelspannungsschaltanlage
DE3513499A1 (de) * 1985-04-16 1986-10-16 Brown, Boveri & Cie Ag, 6800 Mannheim Lasttrennschalter und schaltanlage mit diesem lasttrennschalter
FR2655768B1 (fr) * 1989-12-13 1993-10-08 Merlin Gerin Interrupteur tripolaire a haute tension et a isolement gazeux.

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101496119B (zh) * 2006-07-31 2012-12-12 西门子公司 用于安装在安全壳体内的连接件
WO2008014875A1 (de) 2006-07-31 2008-02-07 Siemens Aktiengesellschaft Anschlussstuck zum anbringen an einem sicherungsgehause
WO2008015032A1 (de) * 2006-07-31 2008-02-07 Siemens Aktiengesellschaft Verschlussdeckel für ein sicherungsgehäuse einer elektrischen schaltanlage
RU2427054C2 (ru) * 2006-07-31 2011-08-20 Сименс Акциенгезелльшафт Закрывающая крышка для корпуса с предохранителями электрического распределительного устройства
RU2430442C2 (ru) * 2006-07-31 2011-09-27 Сименс Акциенгезелльшафт Соединительная часть для установки на корпусе с предохранителями
CN101496125B (zh) * 2006-07-31 2012-03-14 西门子公司 用于电开关设备安全壳体的封闭盖
EP2312603A1 (de) * 2009-10-15 2011-04-20 ABB Technology AG Drehbarer Lasttrennschalter
WO2011044983A1 (en) * 2009-10-15 2011-04-21 Abb Technology Ag Rotary switch- disconnector
CN102157296A (zh) * 2011-03-18 2011-08-17 湖州电力局 高压双电源切换组合开关
CN102157296B (zh) * 2011-03-18 2013-06-12 湖州电力局 高压双电源切换组合开关
FR3094836A1 (fr) * 2019-04-02 2020-10-09 Pommier Dispositif de coupure d’arc
EP3719824A3 (de) * 2019-04-02 2020-11-11 Pommier Vorrichtung zur lichtbogenunterbrechung
EP4057314A1 (de) * 2021-03-11 2022-09-14 ABB Schweiz AG Schaltersicherungsmodul
EP4057315A1 (de) * 2021-03-11 2022-09-14 ABB Schweiz AG Schaltersicherungsmodul
US11749976B2 (en) 2021-03-11 2023-09-05 Abb Schweiz Ag Switch-fuse module
US11784015B2 (en) 2021-03-11 2023-10-10 Abb Schweiz Ag Switch-fuse module
US12444559B2 (en) 2022-05-12 2025-10-14 Abb Schweiz Ag Medium voltage switching apparatus
CN119270006A (zh) * 2024-12-05 2025-01-07 江苏恒高电气制造有限公司 一种三相共仓产品的换相耐压试验装置

Also Published As

Publication number Publication date
DE69223549D1 (de) 1998-01-29
ATE161356T1 (de) 1998-01-15
EP0517295A3 (en) 1993-03-10
DE69223549T2 (de) 1998-07-23
ES2113401T3 (es) 1998-05-01
EP0517295B1 (de) 1997-12-17

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