EP1056109A1 - Disjoncteur à moyenne tension à coupure dans le vide comportant un boítier de protection par pôle. - Google Patents
Disjoncteur à moyenne tension à coupure dans le vide comportant un boítier de protection par pôle. Download PDFInfo
- Publication number
- EP1056109A1 EP1056109A1 EP00401452A EP00401452A EP1056109A1 EP 1056109 A1 EP1056109 A1 EP 1056109A1 EP 00401452 A EP00401452 A EP 00401452A EP 00401452 A EP00401452 A EP 00401452A EP 1056109 A1 EP1056109 A1 EP 1056109A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- parts
- housing
- disc
- circuit breaker
- vacuum interrupter
- 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
Links
Images
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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles
-
- 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
- H01H33/02—Details
- H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
Definitions
- a medium voltage circuit breaker comprising a pole per phase and one vacuum interrupter per pole arranged inside a housing of protection in insulating material.
- Such a protective case constitutes a insulating barrier and reduces the distances between vacuum interrupters and live conductors.
- the vacuum bulbs are arranged inside a single protective case of insulating material, by example in materials called epoxy or duroplast, made in one large part, hence a large and costly mold to produce. In more, fixing the vacuum ampoules inside this housing is complicated.
- the object of the invention is to reduce the cost of manufacturing this kind of circuit breaker and in particular the cost of manufacturing the protective housing in insulating material.
- the invention relates to a medium-voltage circuit breaker, comprising one pole per phase and one vacuum interrupter per pole arranged at the inside of a protective case made of insulating material, characterized in that it includes a protective case per pole in which only one is placed vacuum interrupter, each protective case being designed in two parts identical which are overlapped contiguously one on the other to be assembled edge to edge, and in that it comprises in each case of protection a disc of insulating material pinched between the two parts of the case tight against each other, this disc serving to support the vacuum interrupter.
- This arrangement contributes to simplifying the attachment of the vacuum ampoules in a protective case.
- Design in two identical parts of each elementary housing further contributes to reducing the manufacturing costs by multiplying the quantity of parts to be manufactured.
- the joint of the two parts of a housing forms a small slit which is likely to constitute a starting point for an electric arc which is established in short-circuit at the terminals of the pole.
- the slot is located exactly at middle of the pole.
- the support disc made of insulating material is provided with a peripheral crown which covers the joint of the two parts of the housing and the contiguous edges of the two parts of the housing each have a groove and the disc has an annular rib outside the crown having a cross profile in a radial direction which is embedded in the grooves of the contiguous edges of the two parts of the housing.
- the peripheral ring constitutes a dielectric screen which makes it possible to avoid tension initiations at the level of the gap which remains between the two parts of the case.
- this screen it has been found that the dielectric in this area of the housing was at least equal to or even greater than that of the rest of the case.
- the annular rib also allows a tight assembly of the two parts of the housing and a centering of the disc in insulating material and therefore of the vacuum interrupter supported by this disc in the housing.
- circuit breaker An exemplary embodiment of a circuit breaker according to the invention is described below in relation to the drawings.
- Figure 1 is a perspective view of a three-phase circuit breaker according to the invention.
- Figure 2 is a partial view in longitudinal half section of a housing for a pole of the circuit breaker.
- Figure 3 is an enlarged view of the joint between the two parts of a housing.
- the three-phase medium-voltage circuit breaker 1 which is shown in Figure 1 includes one pole per phase A, B or C and a bulb vacuum by pole maneuvered each by a control rod. Each bulb vacuum is connected between a power input bar such as 2 and a power output bar such as 3 for phase C.
- Each vacuum interrupter is arranged with its control rod in a protective case in insulating material.
- the circuit breaker includes three boxes 4A, 4B and 4C, one box for each pole, each housing having a substantially parallelepiped shape.
- Each protective case such as 4A is designed in two parts 4A1 and 4A2 identical and symmetrical in the horizontal plane. These two parts 4A1 and 4A2 are superimposed contiguously one on the other and are assembled by tightening with screws or the like edge to edge in a joint plane horizontal 5A. It is understood that this arrangement in two parts is identical for 4B and 4C boxes.
- FIG. 2 the two parts 4A1 and 4A2 are partially represented.
- protective housing 4A in longitudinal section in the direction L with the vacuum interrupter 6A arranged vertically with its control rod 7A.
- the vacuum interrupter 6A is supported in the housing 4A by a disc of material insulator 8A pinched between the two contiguous edges of the parts 4A1 and 4A2 of the housing 4A huddled together.
- the disc 8A is provided with a central hole 9A used for fixing the vacuum interrupter, this hole 9A preferably being coaxial with the control rod 7A. So the 8A disc offers a great way support and stabilization for the vacuum interrupter 6A on the contact side mobile connected to the control rod 7A.
- the support disc 8A is provided with a peripheral crown 10A which covers the joint 5A of the two parts of the housing 4A to serve as a screen dielectric against voltage surges.
- the contiguous edges of the two parts 4A1 and 4A2 of the housing 4A comprise each a peripheral groove, 11A1 and 11A2 respectively.
- the 8A disc has an annular rib 13A external and coaxial with the crown 10A which has a cross profile in a radial direction to fit into the grooves 11A1 and 11A2 of the contiguous edges of the two parts 4A1 and 4A2 of the housing 4A so as to achieve at the same time the tight assembly of these two parts and fixing by pinching the disc 8A in the housing with a centering adjusted.
- the disc 8A with its crown device 10A and its annular rib with cross profile 13A is produced in one single piece of molding, for example.
- the housing 4A as the disc 8A are made of an insulating material electrically like materials called epoxy or duroplast.
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Abstract
Description
Claims (3)
- Disjoncteur à moyenne tension, comprenant un pôle par phase et une ampoule à vide par pôle disposée à l'intérieur d'un boítier de protection en matière isolante, caractérisé en ce qu'il comprend un boítier de protection (4A,4B,4C) par pôle dans lequel est disposée une seule ampoule à vide, chaque boítier de protection étant conçu en deux parties (4A1,4A2) identiques qui sont superposées de façon jointive l'une sur l'autre pour être assemblées bord à bord, et en ce qu'il comprend dans chaque boítier de protection un disque en matériau isolant (8A) pincé entre les deux parties du boítier serrées l'une contre l'autre, ce disque servant de support à l'ampoule à vide.
- Disjoncteur selon la revendication 1, dans lequel le disque support en matériau isolant (8A) est muni d'une couronne périphérique (10A) qui couvre la jointure (5A) des deux parties du boítier pour servir d'écran diélectrique, et dans lequel les bords jointifs des deux parties du boítier comportent chacun une rainure (11A1,11A2), le disque comportant une nervure annulaire (13A) extérieure à la couronne et ayant un profil en croix suivant une direction radiale, ladite nervure étant encastrée dans les rainures des bords jointifs des deux parties du boítier.
- Disjoncteur selon la revendication 2, dans lequel le disque avec sa couronne périphérique et sa nervure annulaire est réalisé en une seule pièce.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9906784A FR2794280B1 (fr) | 1999-05-28 | 1999-05-28 | Disjoncteur a moyenne tension a coupure dans le vide comportant un boitier de protection par pole |
FR9906784 | 1999-05-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1056109A1 true EP1056109A1 (fr) | 2000-11-29 |
EP1056109B1 EP1056109B1 (fr) | 2006-07-19 |
Family
ID=9546132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00401452A Expired - Lifetime EP1056109B1 (fr) | 1999-05-28 | 2000-05-24 | Disjoncteur à moyenne tension à coupure dans le vide comportant un boîtier de protection par pôle. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1056109B1 (fr) |
AT (1) | ATE333706T1 (fr) |
DE (1) | DE60029388T2 (fr) |
FR (1) | FR2794280B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2848332A1 (fr) * | 2002-12-09 | 2004-06-11 | Novexia | Interrupteur a coupure sous vide pour lignes electriques a moyenne tension |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2461338B2 (fr) † | 2010-12-03 | 2017-03-01 | ABB Schweiz AG | Agencement de disjoncteur pour application de moyenne tension à haute tension |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0222073A2 (fr) * | 1985-10-16 | 1987-05-20 | VEB "Otto Buchwitz" Starkstrom-Anlagenbau Dresden | Pôle d'interrupteur pour disjoncteur de puissance |
EP0801407A2 (fr) * | 1996-04-11 | 1997-10-15 | ABBPATENT GmbH | Interrupteur sous vide monophase ou multiphase |
DE19634451C1 (de) * | 1996-08-26 | 1998-01-29 | Driescher Eltech Werk | Lastschalter |
-
1999
- 1999-05-28 FR FR9906784A patent/FR2794280B1/fr not_active Expired - Fee Related
-
2000
- 2000-05-24 AT AT00401452T patent/ATE333706T1/de not_active IP Right Cessation
- 2000-05-24 EP EP00401452A patent/EP1056109B1/fr not_active Expired - Lifetime
- 2000-05-24 DE DE60029388T patent/DE60029388T2/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0222073A2 (fr) * | 1985-10-16 | 1987-05-20 | VEB "Otto Buchwitz" Starkstrom-Anlagenbau Dresden | Pôle d'interrupteur pour disjoncteur de puissance |
EP0801407A2 (fr) * | 1996-04-11 | 1997-10-15 | ABBPATENT GmbH | Interrupteur sous vide monophase ou multiphase |
DE19634451C1 (de) * | 1996-08-26 | 1998-01-29 | Driescher Eltech Werk | Lastschalter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2848332A1 (fr) * | 2002-12-09 | 2004-06-11 | Novexia | Interrupteur a coupure sous vide pour lignes electriques a moyenne tension |
Also Published As
Publication number | Publication date |
---|---|
FR2794280A1 (fr) | 2000-12-01 |
DE60029388T2 (de) | 2007-07-12 |
FR2794280B1 (fr) | 2001-07-20 |
EP1056109B1 (fr) | 2006-07-19 |
ATE333706T1 (de) | 2006-08-15 |
DE60029388D1 (de) | 2006-08-31 |
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