EP0964409B1 - Traversée pour poste à haute et moyenne tension - Google Patents
Traversée pour poste à haute et moyenne tension Download PDFInfo
- Publication number
- EP0964409B1 EP0964409B1 EP99401249A EP99401249A EP0964409B1 EP 0964409 B1 EP0964409 B1 EP 0964409B1 EP 99401249 A EP99401249 A EP 99401249A EP 99401249 A EP99401249 A EP 99401249A EP 0964409 B1 EP0964409 B1 EP 0964409B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bar
- divider
- voltage
- boss
- voltage divider
- 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.)
- Expired - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase AC
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/26—Lead-in insulators; Lead-through insulators
Definitions
- the invention relates to a crossing for a post at high or medium voltage, including a divider tension, a metal bar extending along a longitudinal direction above the voltage divider, and a metal frame to mechanically couple and electrically one end of the bar to the divider of voltage.
- Such a crossing is in particular erected on the ground under a high or medium voltage line to capture the current passing through the line and return it after division, to protective or measuring equipment.
- the divider of tension consists of two cylindrical glass blocks separated by a metal electrode and the bar is erected on top of the divider resting on it.
- the both mechanical and electrical connection between the bar and the voltage divider must be produced by a reinforcement metallic and the object of the invention is to provide a solution for the realization of such a frame which puts in works few parts and whose assembly is simple and reliable.
- Figure 1 shows very schematically in section axial a crossing according to the invention.
- Figure 2 shows in more detail in axial section the metal frame between the bar and the divider voltage.
- Figure 3 shows in more detail in axial section the fixing the bar to the upper part of the crossing.
- the crossing is presented as a support arranged on the ground and which extends in a direction longitudinal and axial vertical D. It includes a bar metallic 1 electrically conductive, for example aluminum, which extends vertically inside a 2 tubular insulating jacket.
- the envelope can for example be porcelain.
- the envelope rests on an enclosure metallic 3 placed on the ground.
- the ends of the envelope are fitted with fittings 4 and 5, fitting 5 being used to anchoring the envelope to the enclosure.
- the fitting 4 is used to the anchoring of a power line (not shown) on the above the crossing.
- the bar 1 is electrically connected to the fitting 4 and to a voltage divider 6 placed in the enclosure 3 on a metal support 7 grounded.
- the voltage divider 6 consists of two cylindrical glass blocks stacked one on top of the other and separated by an electrode not represented.
- Bar 1 enters inside enclosure 3 and rests by its lower end on the top of the divider tension 6.
- a metal frame 8 ensures the coupling electrical and mechanical bar and divider voltage.
- the metal frame 8 comprises a flange metal 9 which is fixed on the upper face of the divider Of voltage.
- the flange has a central boss 10 in which is formed a substantially frustoconical bore 11 extending in the longitudinal direction and leaving a substantially cylindrical central lug 12 extending axially in direction D.
- Tapered bore 11 forms a sort of annular groove whose bottom is more tightened as the opening, this groove therefore surrounding the lug central 12 which projects from the side of the bar following the direction D.
- the frame also comprises a part which is substantially frustoconical 13 which constitutes the end of the bar 1 in contact with the voltage divider.
- This piece 13 is split in direction D and is intended to be inserted in bore 11 of the flange. It has a bore substantially cylindrical central 14 which extends axially following direction D and in which comes to engage lug 12.
- the part 13 and the flange 9 are designed to be inserted each other with some resistance to insertion so as to ensure good electrical contact and also mechanical resistance without play perpendicular to the direction D.
- care must be taken to ensure that branches 15 of the frusto-conical part support so elastic on the wall of the bore 11 when the part 13 is engaged in boss 10 and there is contact electric between the lug 12 and the wall of the bore 14.
- Exhibit 13 and bar 1 form a single piece of foundry or other like the flange 9 with its boss 10.
- the lower end of the bar 1 is set compression in direction D against the divider of tension through, for example, a set of spring washers 16 (or a spiral spring) mounted around a central lug 17 arranged at the end upper of bar 1 to engage in a bore cylindrical 18 of the fitting 4.
- a set of spring washers 16 or a spiral spring mounted around a central lug 17 arranged at the end upper of bar 1 to engage in a bore cylindrical 18 of the fitting 4.
- the arrangement of the frame according to the invention does not therefore does not require the use of an insulating support for hold the bar 1 inside the envelope 2, hold bar 1 mechanics being provided on the one hand by the frame 8 and on the other hand by the lug 17.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulators (AREA)
- Insulating Bodies (AREA)
- Transformers For Measuring Instruments (AREA)
Description
Claims (1)
- Une traversée pour poste à haute ou à moyenne tension, comprenant un diviseur de tension (6), une barre métallique (1) s'étendant suivant une direction longitudinale (D) au dessus du diviseur de tension, et une armature métallique (8) pour accoupler mécaniquement et électriquement une extrémité de la barre au diviseur de tension, caractérisée en ce que l'armature comprend :un flasque (9) avec un bossage (10) fixé sur le dessus du diviseur de tension, le bossage présentant un alésage (11) sensiblement tronconique s'étendant suivant la direction longitudinale à l'intérieur duquel saille un ergot (12) central sensiblement cylindrique,une pièce (13) sensiblement tronconique constituant une extrémité de la barre, cette étant fendue suivant la direction longitudinale et présentant un alésage cylindrique (14) central, la pièce et le bossage étant conformés pour s'insérer l'un dans l'autre.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9807178A FR2779564B1 (fr) | 1998-06-08 | 1998-06-08 | Traversee pour poste a haute et a moyenne tension |
FR9807178 | 1998-06-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0964409A1 EP0964409A1 (fr) | 1999-12-15 |
EP0964409B1 true EP0964409B1 (fr) | 2003-12-03 |
Family
ID=9527131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99401249A Expired - Lifetime EP0964409B1 (fr) | 1998-06-08 | 1999-05-25 | Traversée pour poste à haute et moyenne tension |
Country Status (7)
Country | Link |
---|---|
US (1) | US6215684B1 (fr) |
EP (1) | EP0964409B1 (fr) |
JP (1) | JP2002518821A (fr) |
CA (1) | CA2300282A1 (fr) |
DE (1) | DE69913249T2 (fr) |
FR (1) | FR2779564B1 (fr) |
WO (1) | WO1999065040A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2757705A1 (fr) | 2013-01-22 | 2014-07-23 | ABB Technology AG | Coupleur de communication de ligne électrique moyenne tension |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4002975A (en) * | 1976-02-26 | 1977-01-11 | The United States Of America As Represented By The Secretary Of The Interior | Electro-optic measurement of voltage on high-voltage power lines |
DE3048285A1 (de) * | 1980-12-20 | 1982-07-29 | Friedrich Dr.-Ing. e.h. 8600 Bamberg Raupach | Giessharzisolierter messwandler, insbesondere strom- und spannungswandler |
CH669062A5 (de) * | 1986-03-24 | 1989-02-15 | Pfiffner & Co Ag Emil | Messwandler fuer hochspannung. |
FR2683939B1 (fr) * | 1991-11-20 | 1993-12-31 | Gec Alsthom Sa | Disjoncteur auto-sectionneur a moyenne tension et application a une cellule et a un poste a moyenne tension. |
-
1998
- 1998-06-08 FR FR9807178A patent/FR2779564B1/fr not_active Expired - Fee Related
-
1999
- 1999-05-25 DE DE69913249T patent/DE69913249T2/de not_active Expired - Fee Related
- 1999-05-25 EP EP99401249A patent/EP0964409B1/fr not_active Expired - Lifetime
- 1999-06-07 JP JP2000553964A patent/JP2002518821A/ja active Pending
- 1999-06-07 WO PCT/FR1999/001338 patent/WO1999065040A1/fr active Application Filing
- 1999-06-07 US US09/463,909 patent/US6215684B1/en not_active Expired - Fee Related
- 1999-06-07 CA CA002300282A patent/CA2300282A1/fr not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0964409A1 (fr) | 1999-12-15 |
DE69913249T2 (de) | 2004-09-09 |
CA2300282A1 (fr) | 1999-12-16 |
FR2779564B1 (fr) | 2000-07-07 |
JP2002518821A (ja) | 2002-06-25 |
DE69913249D1 (de) | 2004-01-15 |
WO1999065040A1 (fr) | 1999-12-16 |
US6215684B1 (en) | 2001-04-10 |
FR2779564A1 (fr) | 1999-12-10 |
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