EP0993012A1 - Montage de résistance d'une fermeture pour apareillage à haute tension. - Google Patents
Montage de résistance d'une fermeture pour apareillage à haute tension. Download PDFInfo
- Publication number
- EP0993012A1 EP0993012A1 EP99402377A EP99402377A EP0993012A1 EP 0993012 A1 EP0993012 A1 EP 0993012A1 EP 99402377 A EP99402377 A EP 99402377A EP 99402377 A EP99402377 A EP 99402377A EP 0993012 A1 EP0993012 A1 EP 0993012A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- electrical components
- row
- axis
- electrical
- 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
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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
- H01H33/16—Impedances connected with contacts
-
- 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
- H01H33/16—Impedances connected with contacts
- H01H33/165—Details concerning the impedances
Definitions
- the invention relates to a resistor mounting of closing for high voltage electrical equipment, comprising a multiplicity of resistant components electrics aligned in a row along an axis to form resistance, and a means to exert on electrical components a directed compressive force along the axis to maintain electrical contact between them.
- Such a mounting is intended to be fixed at the end of a breaking chamber of a compressed gas circuit breaker by example, to reduce the effects of strong currents when closing the circuit breaker by inserting the resistor in the circuit breaker electrical circuit.
- the electrical components forming the closing resistance which is in the form of resistance slab, are stacked inside a metal housing mounted at the end of the vertical cut and generally this row of components electric is mounted so as to extend coaxially with the breaking chamber.
- a spring is placed which is put in compression by a cover coming to be fixed on an end opening of the housing.
- the object of the invention is to remedy these various disadvantages.
- the subject of the invention is an assembly of closing resistance for electrical equipment with high voltage, including a multiplicity of components electrical resistors aligned in a row along a axis, and a means for exercising on electrical components a compression force directed along the axis to maintain the electrical contact between them, characterized in that the means for exerting said compressive force comprises a rigid tube inside which are stacked said electrical components and a floating structure to accumulation of energy placed in the tube at one end of the row of electrical components, this structure floating consisting of a first piece arranged between said end of the row of components electric and a second piece fixedly mounted in the tube and a spring maintained in compression between the first and the second part, said first part being further mounted semi-mobile between two stops spaced along the axis D.
- the compression of electrical components along the D axis is done simply by exerting an axially directed force on the other end of the row of electrical components and opposing the force exerted by the spring on the first part, to release the spring energy from the floating structure without risk of ejection of the latter.
- This pressure can be exerted by the cover of a housing in which the tube loaded with electrical components.
- the row of components is fixed at the end of the breaking chamber of a electrical equipment so as to extend perpendicular to the breaking chamber to reduce the leverage effect.
- a closing resistance assembly includes a multiplicity of resistant components electrical 1, of the type resistor blocks, which are aligned in a row along an axis D inside a tube 2 rigid in an electrically insulating material.
- This tube 2 is placed inside a casing metallic 3, of generally cylindrical shape which extends longitudinally along the axis D and which is intended to be mounted at the end of the switching chamber of a high voltage electrical equipment such as a circuit breaker compressed gas.
- the tube 2 is arranged between the bottom 4 of the casing and a cover 5 which closes the latter tightly by means of a seal 6.
- the end 7 of the tube 2 rests in the recess a boss 8 at the bottom of the housing serving to keep it centered the tube inside the housing.
- a first metal plate electrically conductive 9 is arranged inside the tube against the first electrical component 1A of the battery in contact electric with it and a second metal plate 10 is placed inside the tube against the last electrical component 1B of the battery in electrical contact with this one.
- the two plates 9 and 10 constitute current input and output sockets at through the closing resistor.
- This compressive force is produced on the one hand, by a floating energy storage structure mounted inside the tube at the end 7 of the tube which rests on the bottom of the housing. More specifically, this floating structure consists of plate 9, a other possibly metal plate 11 disposed in the tube and axially spaced from the plate 9 in the tube and a compression spring 12 kept compressed between the plates 9 and 11. Plate 9 which is in contact with the first electrical component 1A of the battery is further semi-mobile mounted along the axis D inside the tube by compared to the plate 11 which is fixed in the tube.
- the underside of the plate 11 is in abutment on pins 13 which pass through holes provided in the wall of tube 2 and which extend inside the tube under the lower edge of the plate 11.
- the upper face of the plate 11 presents a kind of central recess inside which engages a end of spring 12, this recess serving for centering of the spring 12 along the axis D.
- the plate 9 also has a lower surface, opposite its surface in contact with the electrical component lA, which has a central recess in which engages the other end of the spring 12.
- the plate 9 is semi-mobile ascent along axis D because it is integral with pins 14 which each pass through a light 15 provided in tube 2, each lumen extending longitudinally along the axis D to allow a certain displacement of the pin 14 between the two ends of the light spaced along the axis D. As visible on the figure, the pins 14 are inserted in the thickness of the plate 9. The spring is kept compressed between the plates 9 and 11 whatever the position of the plate 9 between the two ends of the light 15.
- the upper face of the plate 10 has a boss 16 with a central evident in which engages a end of a pawn 17. Furthermore the underside of the cover 5 also has a boss 18 with a obviously central in which the other end of the pin 17.
- the length along the axis D of pin 17 is set so that when the cover 5 is fixed on the housing 3, the plate 10 is slightly pushed along the axis D to move the plate 9 between the two ends of the lights 15 in order to release the energy from the spring 12 and establish a compression of the stack of electrical components by the compression force of the spring 12.
- the tube 2 is not stressed in bending since most of the compression force is located in the end 7 of the tube. Most of the tube 2 is therefore simply used to hold the components electrical 1 in stack so the tube can be one relatively light and inexpensive construction.
- the number of electrical components in the tube can be more or less important depending on the resistance value sought but the axial compression of the stack of electrical components can be done simply by adjusting the length of the pin 17 along the axis D which is particularly economical.
- the stack of electrical components 2 can be incorporated outside of the housing as follows. From an empty tube 2, plate 9 is first mounted in the tube with the pins 14 which engage in the lights 15. The spring 12 is then placed between plate 9 and plate 11. The spring 12 is then compressed between these two plates using a screw 19 which engages in the thickness of the plate 9 and which passes through plate 11, this screw 19 being operated to bring the two plates together one by relationship to each other until it is possible to insert the pins 13 through the tube under the plate 11. The screw 19 is then removed so that the plate 9 comes in abutment against the upper end of the lights 15. At this stage, the spring 12 between the plates 9 and 11 is compressed still leaving a compression guard. The components are introduced into tube 2 on top of the plate 9 and therefore of the floating structure, after which, the tube loaded with electrical components can be put in place inside a housing.
- the fixing flange 20 of the casing 3 on a breaking chamber (not shown but which extends perpendicular to the axis D) of a circuit breaker for example, is arranged in the middle of the housing along the axis D to allow fixing of the casing according to a T-shaped arrangement at the end of the chamber, i.e. closing resistance arrangement perpendicular to the room.
- a breaking chamber (not shown but which extends perpendicular to the axis D) of a circuit breaker for example, is arranged in the middle of the housing along the axis D to allow fixing of the casing according to a T-shaped arrangement at the end of the chamber, i.e. closing resistance arrangement perpendicular to the room.
- the arrangement of the resistance mounting according to the invention also allows simple access to the components 1 for their replacement without intervention in the switch-off chamber of the electrical equipment which is connected to the resistor.
Landscapes
- Details Of Resistors (AREA)
- Particle Accelerators (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
- Measuring Fluid Pressure (AREA)
- Circuit Breakers (AREA)
Abstract
Description
Claims (4)
- Un montage de résistance de fermeture pour un appareillage électrique à haute tension, comprenant une multiplicité de composants résistants électriques (1) alignés en une rangée le long d'un axe (D), et un moyen pour exercer sur les composants électriques une force de compression dirigée selon l'axe pour maintenir le contact électrique entre eux, caractérisé en ce que le moyen pour exercer ladite force de compression comprend un tube rigide (2) à l'intérieur duquel sont empilés lesdits composants électriques et une structure flottante à accumulation d'énergie disposée dans le tube à une extrémité de la rangée de composants électriques, cette structure flottante étant constituée d'une première pièce (9) disposée entre ladite extrémité de la rangée de composants électriques et une seconde pièce (11) montée fixe dans le tube, et d'un ressort (12) maintenu en compression entre la première et la seconde pièce, ladite première pièce étant en outre montée semi-mobile entre deux butées qui sont espacées suivant l'axe (D) et qui sont constituées par les extrémités d'une lumière (15) du tube, cette lumière étant traversée par un pion (14) solidaire de la première pièce semi-mobile.
- Le montage selon la revendication 1, dans lequel l'autre pièce (11) montée fixe dans le tube repose sur des pions (13) traversant le tube et pénétrant à l'intérieur de celui-ci.
- Le montage selon l'une des revendications 1, 2, dans lequel le tube (2) est disposé dans un carter (3) de forme générale cylindrique dont une extrémité est fermée par un couvercle (5) et dans lequel un pion (17) est disposé entre le couvercle et l'autre extrémité de la rangée de composants électriques de telle façon que lorsque le couvercle est fermé, ce pion appuie sur ladite rangée de composants électriques pour libérer l'énergie du ressort (12).
- Le montage selon la revendication 3, dans lequel le carter comporte une bride (20) de fixation à une chambre de coupure d'un appareillage électrique à haute tension, cette bride de fixation étant disposée dans une partie centrale du carter de telle façon qu'une fois fixée à la chambre de coupure, la rangée de composants électriques (1) s'étende perpendiculairement à la chambre de coupure.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9812621A FR2784500B1 (fr) | 1998-10-08 | 1998-10-08 | Montage de resistance de fermeture pour appareillage a haute tension |
FR9812621 | 1998-10-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0993012A1 true EP0993012A1 (fr) | 2000-04-12 |
EP0993012B1 EP0993012B1 (fr) | 2006-12-27 |
Family
ID=9531338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99402377A Expired - Lifetime EP0993012B1 (fr) | 1998-10-08 | 1999-09-29 | Montage de résistance d'une fermeture pour appareillage à haute tension. |
Country Status (5)
Country | Link |
---|---|
US (1) | US6201204B1 (fr) |
EP (1) | EP0993012B1 (fr) |
CA (1) | CA2286416C (fr) |
DE (1) | DE69934559T2 (fr) |
FR (1) | FR2784500B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2841039B1 (fr) * | 2002-06-12 | 2004-09-03 | Alstom | Poste blinde a haute tension comprenant un disjoncteur avec une resistance d'insertion montee dans une barre conductrice |
US20070010497A1 (en) * | 2003-05-29 | 2007-01-11 | Nigel Boughton-Smith | Pharmaceutical composition comprising a p2x7 antagonist and sulfasalazine |
US9064647B2 (en) * | 2012-09-06 | 2015-06-23 | Abb Technology Ag | Contact alignment structure for high-voltage dead tank circuit breakers |
KR102517376B1 (ko) * | 2016-04-19 | 2023-04-03 | 엘에스일렉트릭(주) | 투입저항을 구비하는 차단기 |
CN107221472B (zh) * | 2017-05-05 | 2019-08-13 | 平高集团有限公司 | 电阻片压接结构及断路器 |
DE102017221783A1 (de) * | 2017-12-04 | 2019-06-06 | Siemens Aktiengesellschaft | Anordnung und Verfahren zum Schalten hoher Spannungen mit einer Schalteinrichtung und genau einem Widerstandsstapel |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2724755A (en) * | 1952-12-26 | 1955-11-22 | Ibm | Carbon circuit breaker |
GB906954A (en) * | 1960-07-21 | 1962-09-26 | English Electric Co Ltd | Improvements in or relating to resistors |
CH669863A5 (en) * | 1986-05-20 | 1989-04-14 | Sprecher Energie Ag | High voltage with right angle drive - has resistive arms, each with springs inwardly compressing ends of stacked resistive discs |
FR2625626A1 (fr) * | 1987-12-30 | 1989-07-07 | Alsthom | Resistance de freinage pour reseau electrique a haute tension |
EP0482555A1 (fr) * | 1990-10-24 | 1992-04-29 | Gec Alsthom Sa | Disjoncteur à SF6 à condensateur incorporé |
DE9416993U1 (de) * | 1994-10-11 | 1994-12-15 | Siemens AG, 80333 München | Einschaltwiderstandsanordnung für einen Hochspannungsschalter |
US5661282A (en) * | 1994-03-18 | 1997-08-26 | Hitachi, Ltd. | Gas insulated circuit breaker |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2654251A1 (fr) * | 1989-11-03 | 1991-05-10 | Alsthom Gec | Disjoncteur limiteur de surtensions. |
FR2676587B1 (fr) * | 1991-05-17 | 1994-06-10 | Alsthom Gec | Disjoncteur a grand pouvoir de coupure. |
-
1998
- 1998-10-08 FR FR9812621A patent/FR2784500B1/fr not_active Expired - Fee Related
-
1999
- 1999-09-29 EP EP99402377A patent/EP0993012B1/fr not_active Expired - Lifetime
- 1999-09-29 DE DE69934559T patent/DE69934559T2/de not_active Expired - Lifetime
- 1999-10-07 US US09/414,313 patent/US6201204B1/en not_active Expired - Lifetime
- 1999-10-08 CA CA002286416A patent/CA2286416C/fr not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2724755A (en) * | 1952-12-26 | 1955-11-22 | Ibm | Carbon circuit breaker |
GB906954A (en) * | 1960-07-21 | 1962-09-26 | English Electric Co Ltd | Improvements in or relating to resistors |
CH669863A5 (en) * | 1986-05-20 | 1989-04-14 | Sprecher Energie Ag | High voltage with right angle drive - has resistive arms, each with springs inwardly compressing ends of stacked resistive discs |
FR2625626A1 (fr) * | 1987-12-30 | 1989-07-07 | Alsthom | Resistance de freinage pour reseau electrique a haute tension |
EP0482555A1 (fr) * | 1990-10-24 | 1992-04-29 | Gec Alsthom Sa | Disjoncteur à SF6 à condensateur incorporé |
US5661282A (en) * | 1994-03-18 | 1997-08-26 | Hitachi, Ltd. | Gas insulated circuit breaker |
DE9416993U1 (de) * | 1994-10-11 | 1994-12-15 | Siemens AG, 80333 München | Einschaltwiderstandsanordnung für einen Hochspannungsschalter |
Also Published As
Publication number | Publication date |
---|---|
FR2784500A1 (fr) | 2000-04-14 |
DE69934559D1 (de) | 2007-02-08 |
EP0993012B1 (fr) | 2006-12-27 |
CA2286416C (fr) | 2006-12-12 |
US6201204B1 (en) | 2001-03-13 |
DE69934559T2 (de) | 2007-10-04 |
CA2286416A1 (fr) | 2000-04-09 |
FR2784500B1 (fr) | 2000-11-10 |
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