EP1026714A2 - Bobine de soufflage pour sectionneurs sous charge or disjoncteurs isolés par gaz - Google Patents

Bobine de soufflage pour sectionneurs sous charge or disjoncteurs isolés par gaz Download PDF

Info

Publication number
EP1026714A2
EP1026714A2 EP00101482A EP00101482A EP1026714A2 EP 1026714 A2 EP1026714 A2 EP 1026714A2 EP 00101482 A EP00101482 A EP 00101482A EP 00101482 A EP00101482 A EP 00101482A EP 1026714 A2 EP1026714 A2 EP 1026714A2
Authority
EP
European Patent Office
Prior art keywords
winding
coil
beginning
bobbin
layer
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
EP00101482A
Other languages
German (de)
English (en)
Other versions
EP1026714A3 (fr
EP1026714B1 (fr
Inventor
Albert Dipl.-Ing. Bogner
Rolf Dirks
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.)
Ormazabal Anlagentechnik GmbH
Original Assignee
Felten and Guilleaume AG
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 Felten and Guilleaume AG filed Critical Felten and Guilleaume AG
Publication of EP1026714A2 publication Critical patent/EP1026714A2/fr
Publication of EP1026714A3 publication Critical patent/EP1026714A3/fr
Application granted granted Critical
Publication of EP1026714B1 publication Critical patent/EP1026714B1/fr
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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H33/187—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet comprising a hollow annular arc runner and a central contact between which a radially drawn arc rotates

Definitions

  • the invention relates to a quenching coil based on the arc rotation principle for use in gas-insulated, in particular SF 6 gas-insulated switch disconnectors or circuit breakers for switching off currents in medium-voltage switchgear.
  • the coil body of the quenching coil consists of a non-magnetic material and the Winding usually from a copper tape with a foil insulation (foil tape) between the band layers, the beginning of the copper band preferably by soldering, riveting or screws are mechanically and electrically connected to the bobbin.
  • the Copper tape winding is by a clamping element electrically contacted with the copper tape end, usually a clamp, held together.
  • DE 38 82 186 T2 describes a magnetic blow coil with arc rotation (quenching coil) known for the switching element of an electrical switch.
  • This has an electrically conductive Coil core and a winding made of a flat conductor arranged thereon on, the beginning of the first turn being firmly connected to the coil core and the Windings applied together with an insulating film in several turns on this are.
  • the core has an axial gap in which a block is inserted with which the beginning of the turn abuts an essentially radially oriented gap wall.
  • the winding is made of a split ring made of a plastically deformable metal surrounded, the end of the last turn through the gap and between the Ring and a surrounding housing is guided.
  • the coil is radial in the housing Direction arranged tensioned, which makes them mechanically and electrically fixed to the bobbin and the housing is connected.
  • the quenching coil is expensive because its assembly, including the attachment of the two End of the winding, complex and not feasible without a press tool. Moreover the strength of the coil core is reduced due to the radial gap.
  • the invention is that in an erase coil, which has a metallic, cylindrical Coil body, a winding of an electrically conductive metal and insulation between has the winding layers, the beginning of the winding on the bobbin fixed and electrically contacted with this and the winding by a Winding end electrically contacted clamping element is mechanically held together, the beginning and a part of the first winding layer immediately following this flat and bare on the bobbin and this part alone through the outer clamping element and the pressure generated by this on the winding mechanically and electrically with the bobbin is connected.
  • This coil structure in which a complex connection technology for fixing the start of the winding to the coil body by rivets, screws or omitted by soldering, ensures the mechanical strength of the coil body, so that this also withstands a mechanical load caused by high currents. Moreover damage to the winding by screws or rivets is also avoided that the arc rotation remains unaffected.
  • Half of the first winding layer can be bare to produce an electrically strong connection rest on the bobbin.
  • the last half winding can also be wound back.
  • a metallic band for example a clamp
  • the clamping element made of steel, which is used around the wrapping and by screwing elements is tightened, thereby wrapping with the insulation, preferably an insulating film tape pressed together and a sufficient mechanical and electrical contact pressure can be generated.
  • the beginning of the first winding layer is used to produce a quenching coil according to the invention fixed on the bobbin with an adhesive tape and immediately following it Part of this first winding layer, preferably half the first winding layer, wound bare. At the end of this part, the beginning of an insulating foil tape is put in between and then this and the other winding layers wound up. After this Part of the last winding layer is rolled back by winding up the further winding layers and then put the metallic band (steel clamp) around the wrapping, tightened and thereby compressing the wrapping.
  • the metallic band steel clamp
  • the quenching coil shown in FIG. 1 has a coil body 1, one arranged thereon Wrapping 2 made of copper tape with several layers of tape, of which only two layers are shown are, one between a part of the first tape layer 2a and the bobbin 1 and arranged between the tape layers plastic film 3 for insulation and a clamp 4 made of steel with a screw 5 through which the winding 2 on the bobbin 1 is pressed.
  • the film insert between the first tape layer 2a and the bobbin 1 begins after half the first tape layer 2a, which lies bare on the bobbin 1, and ends after the last tape position 2b. Half of it has hit back, with the the folded-back end half lies bare on the other half of the last strip layer 2b.
  • the beginning and the end phase of the tape winding are shown.
  • the beginning of the first layer of tape 2a is, for example, with an adhesive tape strip (not shown) fixed on the bobbin 1.
  • the first layer of tape 2a is cut in half (approx. 180 °) bare in winding direction A.
  • the beginning of the plastic film 3 inserted between the bobbin 1 and the first half of the tape layer 2a, and the winding of the copper strip is continued until all layers of the strip, each with an underlay Plastic film 3 are reached.
  • the last strip layer 2b is half open (approx. 180 °) the winding is folded back over the film 3 (winding direction B in FIG. 3).
  • the end of which is labeled E will eventually become the clamp 4 arranged.
  • the 4 is a three-position circuit breaker with a metallic contact knife 11, a fixed contact 12 and the quenching coil 1 according to the invention. That the switch contact Forming contact knife 11 is about an axis S between the fixed contact 12 and an earth potential contact, not shown, is pivotally arranged. On the contact knife is a connecting rod 14 articulated by a (not shown) crank arm of a (also not shown) switching shaft is actuated. The contact knife 11 has on his free end of a contact surface 18 corresponding to the fixed contact 12. The Contact surfaces are formed in a plane perpendicular to the swivel axis S. The contact area 18 is designed to withstand high temperatures to withstand the thermal stress on the arc to be able to withstand.
  • Fig. 1 is a view of the quenching coil in the direction of the arrow to.
  • the clamping elements the winding 2 are indicated by the reference number 5.

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Insulating Of Coils (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Coils Of Transformers For General Uses (AREA)
EP00101482A 1999-02-06 2000-01-26 Bobine de soufflage pour sectionneurs sous charge ou disjoncteurs isolés par gaz Expired - Lifetime EP1026714B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904932A DE19904932C1 (de) 1999-02-06 1999-02-06 Löschspule zum Einsatz in gasisolierten Lasttrenn- oder Leistungsschaltern
DE19904932 1999-02-06

Publications (3)

Publication Number Publication Date
EP1026714A2 true EP1026714A2 (fr) 2000-08-09
EP1026714A3 EP1026714A3 (fr) 2001-05-02
EP1026714B1 EP1026714B1 (fr) 2005-06-08

Family

ID=7896693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00101482A Expired - Lifetime EP1026714B1 (fr) 1999-02-06 2000-01-26 Bobine de soufflage pour sectionneurs sous charge ou disjoncteurs isolés par gaz

Country Status (5)

Country Link
EP (1) EP1026714B1 (fr)
AT (1) ATE297597T1 (fr)
DE (2) DE19904932C1 (fr)
ES (1) ES2243153T3 (fr)
NO (1) NO319305B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020120430A1 (de) 2020-08-03 2022-02-03 Florian Geling Drossel für Leistungselektronik

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE228091C (fr) *
DE683645C (de) * 1937-09-25 1939-11-10 Bernhard Berghaus Schweisstransformator fuer Widerstandsschweissung
US4918268A (en) * 1987-09-23 1990-04-17 Societe Anonyme Dite: Alsthom Arc-rotating magnetic blast coil for the contact element of an electric switch
EP0676782A2 (fr) * 1994-04-08 1995-10-11 S&C ELECTRIC COMPANY Interrupteur à arc tournant pour disjoncteur sectionneur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE228091C (fr) *
DE683645C (de) * 1937-09-25 1939-11-10 Bernhard Berghaus Schweisstransformator fuer Widerstandsschweissung
US4918268A (en) * 1987-09-23 1990-04-17 Societe Anonyme Dite: Alsthom Arc-rotating magnetic blast coil for the contact element of an electric switch
EP0676782A2 (fr) * 1994-04-08 1995-10-11 S&C ELECTRIC COMPANY Interrupteur à arc tournant pour disjoncteur sectionneur

Also Published As

Publication number Publication date
ES2243153T3 (es) 2005-12-01
EP1026714A3 (fr) 2001-05-02
NO20000568L (no) 2000-08-07
NO20000568D0 (no) 2000-02-04
EP1026714B1 (fr) 2005-06-08
DE19904932C1 (de) 2000-10-26
ATE297597T1 (de) 2005-06-15
NO319305B1 (no) 2005-07-11
DE50010481D1 (de) 2005-07-14

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