EP1310970B1 - Hybridleistungsschalter mit einem Getriebe - Google Patents
Hybridleistungsschalter mit einem Getriebe Download PDFInfo
- Publication number
- EP1310970B1 EP1310970B1 EP01811082A EP01811082A EP1310970B1 EP 1310970 B1 EP1310970 B1 EP 1310970B1 EP 01811082 A EP01811082 A EP 01811082A EP 01811082 A EP01811082 A EP 01811082A EP 1310970 B1 EP1310970 B1 EP 1310970B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- hybrid circuit
- quenching chamber
- breaker according
- gearbox
- 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
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
- H01H33/6661—Combination with other type of switch, e.g. for load break 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
- H01H33/143—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc of different construction or type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
Definitions
- the invention relates to a hybrid circuit breaker with a transmission according to the preamble of claim 1.
- EP 0 847 586 B1 is a hybrid power switch, which can be used in a high voltage electrical network.
- This hybrid power switch has two series-connected extinguishing chambers, of which a first is filled with SF 6 gas as extinguishing and insulating medium, and a second is designed as a vacuum interrupter chamber. The second quenching chamber is surrounded outside by SF 6 gas.
- the main contacts of the two extinguishing chambers are actuated simultaneously by a common drive via a simple lever mechanism.
- Both extinguishing chambers have a power flow path, in which each of the erosion-resistant main contacts are, and in parallel to a nominal current path, said nominal current path having only a single point of interruption. When switching off, the nominal current path is always interrupted first, whereupon the current to be switched commutes to the power current path. The power current path then carries the power on until its definitive shutdown.
- Such simple lever mechanism can be relatively difficult to adapt to the motion characteristics necessary for hybrid circuit breakers.
- the bearings are mechanically stressed very high, resulting in a complex and expensive design of the bearings result, making the hybrid circuit breaker is more expensive. If this design of the bearings is dispensed with, then the availability of the hybrid power switch is unfavorably restricted by the time required for the then frequently required revisions. In addition, the cost of mounting the lever mechanism inside the hybrid circuit breaker is relatively large because of the limited accessibility in this area.
- the invention solves the problem of providing a hybrid circuit breaker with a transmission, which can be easily assembled inside the hybrid circuit breaker.
- the hybrid power switch has at least two series-connected, operated by a common drive extinguishing chambers. These extinguishing chambers are preceded by a common gearbox.
- This transmission has at least two gear parts, which are designed to be plugged together, wherein the first gear part with the at least one first quenching chamber and the second gear part with the at least one second quenching chamber is firmly connected.
- the transmission has means that allow the movements of the at least two extinguishing chambers to coordinate technically meaningful and to optimize the timing and switching speed of the same. It proves to be particularly advantageous that the transmission is designed to be self-locking both in the closed position and in the switch-off position, since additional locking devices or latches are therefore unnecessary.
- the drive in the two end positions need not apply special holding forces, so that here a simple and very cost-effective drive can be used.
- the gearbox is relatively easy to install, whereby the time required for assembly work on revisions is advantageously reduced. This simplified assembly requires a relatively small amount of time, so that the operational availability of the hybrid circuit breaker is advantageously increased.
- the longitudinal axes of the two extinguishing chambers are in a preferred embodiment of the hybrid circuit breaker in a plane and are inclined at an angle ⁇ against each other, wherein the angle ⁇ is less than 90 °, preferably in the range between 68 ° and 80 °.
- This arrangement of the extinguishing chambers makes it possible to create a hybrid circuit breaker having a comparatively small extent in the axial direction, so that the space required for this hybrid circuit breaker is particularly small.
- FIG. 1 shows schematically a section through a first embodiment of a transmission 29 shown greatly simplified in the on state of a hybrid circuit breaker.
- This hybrid power switch has two, not shown, connected in series Extinguishing chambers, which are mounted here, for example, angled against each other.
- the one quenching chamber for example a quenching chamber filled with insulating gas, extends along a first longitudinal axis 1 and is arranged concentrically therewith
- the other quenching chamber for example a vacuum interrupter chamber
- the two longitudinal axes intersect at an angle ⁇ , wherein this angle ⁇ is preferably in the range between 68 ° and 80 °.
- the two longitudinal axes are usually in one plane, but it is quite possible to provide these longitudinal axes in two mutually parallel planes or in two planes that intersect at a constructively meaningful angle.
- the hybrid power switch is driven by a not shown, usually at ground potential drive via a drive linkage 3, which consists in part of electrically insulating material.
- the drive linkage 3 is connected by means of a bolt 4 with a movable in the direction of the first longitudinal axis 1, tubular contact rod 5.
- the contact rod 5 actuates, depending on the type of filled with insulating chamber extinguishing the one or the same contacts. This quenching chamber is here, as already stated, not shown.
- the contact rod 5 is arranged concentrically to the first longitudinal axis 1 and is axially slidably guided in a fixed housing 6 in guide parts, not shown.
- the contact rod 5 has a slot 7 which is parallel to the plane of the drawing. In this slot 7, a roller 8 is rotatably mounted on a connected to the contact rod 5 pin 9, wherein the axis of rotation 10 is perpendicular to the first longitudinal axis 1 and this intersects in the rule.
- the roller 8 projects up out of the slot 7 and pushes a flat surface 11 of a rotatably mounted link plate 12 upwards. In the closed position shown, this surface 11 extends parallel to the first longitudinal axis 1.
- a bolt 13 carries the link plate 12.
- the bolt 13 is held in a guide housing 14 rigidly connected to the housing 6.
- the guide housing 14 has an axial slot 15, in which the link plate 12 can move relative to the first longitudinal axis 1 in the radial direction.
- the axis of rotation 16 of the link plate 12 extends parallel to the axis of rotation 10 of the roller 8.
- the slide bearings designed as bearings of the roller 8 and the crank plate 12 are provided with insulating parts, not shown, which prevent stray currents flow through these bearings in operation and can damage them.
- the guide housing 14 goes on the drive side in a schematically illustrated insulating housing 17 via.
- the housing 6 is on the drive side in a schematically illustrated insulating housing 18 via.
- These insulating housing 17 and 18 carry the active parts of the hybrid circuit breaker.
- the enclosing the active parts of the hybrid circuit breaker housing, which at the same time close off the gas chambers of the hybrid circuit breaker to the outside, are not shown here.
- a further pin 19 is rotatably mounted, to which one end of a double lever 20 is articulated, the other end is rotatably connected to a pin 21.
- the bolt 21 is held in a movable contact of a vacuum interrupter chamber not shown actuating contact rod 22.
- the contact rod 22 extends concentrically to the second longitudinal axis 2.
- a flange 23 is fixedly connected, which carries the vacuum interrupter chamber, not shown, and the contact rod 22 leads.
- a stop member 24 is fixed inserted, which surrounds the contact rod 22 concentrically.
- the contact rod 22 has a collar 25 on which a cup spring package 26 is supported.
- the cup spring package 26 is guided centrally by a cylindrically shaped shoulder 27 of the contact rod 22. On the collar 25 opposite side, the cup spring assembly 26 is supported against a first shoulder 24a of the stop member 24 from.
- the disc spring assembly 26 is biased here in the closed position and ensures that the contacts of the switched vacuum interrupter chamber are always pressed with the necessary contact force against each other.
- a first arrow 28 indicates in which direction, here to the right, the drive, not shown, has moved the drive linkage 3 and via this the contact rod 5, which causes the switch-on movement of the extinguishing chamber filled with insulating gas.
- the gear 29 sets this axial movement of the contact rod 5 in a movement of the contact rod 22 in a direction which is indicated by a second arrow 30, here this is obliquely upward in the direction of the second longitudinal axis 2.
- the following parts act together : the contact rod 5 with the embedded roller 8, the crank plate 12, the bolts 13 and 19, the double lever 20, the pin 21 and the contact rod 22, the transmission 29 is actuated by the drive linkage 3.
- the transmission 29 links the movements of the two Fire extinguishers with each other and agrees the motion sequences technically meaningful.
- the gear 29 is designed so that it acts self-locking in the closed position, ie the hybrid circuit breaker is held in this position even with shock without additional locking and without applied by the drive force.
- FIG. 2 shows a schematically represented section through the first embodiment of the transmission 29 shown in greatly simplified form in the switched-off state of the hybrid circuit breaker.
- An arrow 31 indicates the direction of the switch-off, here to the left, in which the drive, not shown, the drive linkage 3 and via this the contact rod 5, which causes the switch-off movement of the filled with insulating gas quenching chamber has moved.
- the gear 29 sets this axial movement of the contact rod 5 in a movement of the contact rod 22 in a direction which is indicated by a second arrow 32, here this is obliquely downward in the direction of the second longitudinal axis 2.
- the turn-off is terminated when the Bund 25 of the contact rod 22 impinges on the shoulder 24b of the stop member 24, the cup spring assembly 26 is then almost relaxed.
- the roller 8 moves along the flat surface 11 of the crank plate 12, wherein the prestressed disc spring package 26 presses the link plate 12 against the roller 8.
- a curved surface 33 with a radius of curvature R adjoins the planar surface 11 tangentially.
- the radius of curvature R is slightly greater than the radius of the roller 8, so that the roller 8, when it reaches this area, can not jam.
- the curved surface 33 of the link plate 12 passes over into a tangential to the roller 8 extending flat surface 34.
- the roller 8 stops on reaching the switch-off the vacuum interrupter chamber by means of the crank plate 12 and the other elements connected to it in its open position.
- the gear 29 is designed so that it acts self-locking even in the off position, ie the hybrid circuit breaker is held in this position, even with shock without additional locking and without applied by the drive force.
- the movement of the vacuum interrupter chamber is optimally adapted to the extinguishing chamber filled with insulating gas.
- the timing of the movement of the vacuum interrupter chamber is controlled by the slide disc 12 relative to the movement of the filled with insulating chamber, for example, temporal modifications in the movement can be achieved very easily by moving the roller 8 in the direction of the first longitudinal axis 1.
- the quenching chamber filled with insulating gas is along a first longitudinal axis 1 extends and arranged concentrically to this, the other quenching chamber, for example, a vacuum switching chamber is along a second longitudinal axis 2 extends and arranged concentrically to this.
- the two longitudinal axes intersect at an angle ⁇ .
- the two longitudinal axes are usually in one plane, but it is quite possible to provide these longitudinal axes in two mutually parallel planes or in two planes that intersect at a constructively meaningful angle.
- the quenching chamber filled with insulating gas is actuated by a contact rod 5.
- a metallic guide tube 35 which is upwards has an axially extending slot 36, and which is rigidly connected to the quenching chamber.
- a collar 37 of the contact rod 5 is slidably guided.
- a cylindrically designed slide part 38 is attached to this collar 37, which also has an axially extending slot 39 in the region of the slot 36 at the top.
- the guide member 38 is provided both on the front and on the back with a congruent guide slot 40.
- a cylindrically shaped bolt 41 is guided, which carries in the middle between the two guide slots 40, the contact rod 22 which actuates the vacuum interrupter chamber.
- the contact rod 22 is flattened in the region of the slots 36 and 39, so that these slots 36 and 39 can be made comparatively narrow, so that they weaken the carrying capacity of the guide tube 35 and the guide member 38 only insignificantly.
- the axis of the bolt 41 is perpendicular to the plane of the drawing, the bolt 41 can move when switching along a dashed line of action 42, which is also the center line of the guide slots 40.
- the dashed line of action 42 initially runs parallel to the first longitudinal axis 1, a section 42a of the dashed line of action 42 then inclines toward the first longitudinal axis 1 at an angle ⁇ and then merges again into a section 42b running parallel to the first longitudinal axis 1.
- the greater the angle ⁇ is formed the higher the turn-off speed and also the turn-on speed of the vacuum interrupter chamber. If the transition of the dashed line of action 42 is displaced axially from the parallel to the inclined portion 42a, the switching times of the two extinguishing chambers can be coordinated.
- the two guide slots 40 are open, so that in the assembly of the transmission 29, the bolt 41 can be inserted from this side into the two guide slots 40 of the guide member 38. It is also possible to expand the guide slots 40 on the drive side somewhat funnel-shaped in order to facilitate the insertion of the bolt 41.
- the drive linkage 3 is introduced from the drive side, at the end of the link member 38 facing the bolt 4 and its holder 43 are rotatably mounted.
- the holder 43 is centered by the slide member 38 and pressed by a bolted to the slide member 38 union nut 44 frictionally against this and held in position.
- the union nut 44 is tightened and secured from the drive side.
- the assembly of the transmission 29 is very easily possible in this way. In the interior of the transmission 29 no complex assembly and adjustment are necessary, which allows an advantageous rapid assembly.
- This second embodiment of the transmission 29 is also self-locking both in the closed position and in the open position. There are no costly additional locks or applied by the drive additional holding forces necessary, which advantageously reduces the cost of the hybrid circuit breaker.
- FIG. 4 shows a schematically represented section through the second embodiment of the transmission 29 shown in greatly simplified form in the switched-off state of the hybrid circuit breaker.
- the arrow 31 indicates the direction of the switch-off, here to the left, in which the drive, not shown, the drive linkage 3 and via this the contact rod 5, which causes the switch-off movement of the filled with insulating gas quenching chamber has moved.
- the gear 29 converts this axial movement of the contact rod 5 in a movement of the contact rod 22 in a direction which is indicated by a second arrow 32, here this is obliquely downward in the direction of the second longitudinal axis 2.
- the pressure of the prestressed disc spring packet 26 can initially cause no movement of the contact rod 22 in the direction of the arrow 32.
- the bolt 41 reaches the inclined portion 42a, the movement of the vacuum interrupter chamber in the disconnection direction begins.
- the opening movement of the vacuum interrupter chamber is completed when the collar 25 of the contact rod 22 impinges on the shoulder 24b of the stop member 24, the disc spring assembly 26 is then almost relaxed.
- the bolt 41 has then reached the portion 42b of the dashed line of action 42.
- the vacuum interrupter chamber is then held by the contact rod 22 in the off position.
- the time required for assembly work on revisions is advantageously reduced, the assembly is greatly simplified and the operational availability of the hybrid circuit breaker is advantageously increased.
- the two embodiments of the transmission 29 shown are self-locking both in the closed position and in the open position. There are therefore no costly additional locks or applied by the drive additional holding forces necessary, which advantageously reduces the cost of the hybrid circuit breaker.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Hybrid Electric Vehicles (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT01811082T ATE368932T1 (de) | 2001-11-09 | 2001-11-09 | Hybridleistungsschalter mit einem getriebe |
EP01811082A EP1310970B1 (de) | 2001-11-09 | 2001-11-09 | Hybridleistungsschalter mit einem Getriebe |
DE50112798T DE50112798D1 (de) | 2001-11-09 | 2001-11-09 | Hybridleistungsschalter mit einem Getriebe |
US10/285,518 US6727453B2 (en) | 2001-11-09 | 2002-11-01 | Hybrid circuit breaker with a transmission |
CNB021499284A CN1253908C (zh) | 2001-11-09 | 2002-11-08 | 带有传动装置的混合断路器 |
JP2002325041A JP2003157752A (ja) | 2001-11-09 | 2002-11-08 | 伝動機構を備えたハイブリッド型電力用遮断器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01811082A EP1310970B1 (de) | 2001-11-09 | 2001-11-09 | Hybridleistungsschalter mit einem Getriebe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1310970A1 EP1310970A1 (de) | 2003-05-14 |
EP1310970B1 true EP1310970B1 (de) | 2007-08-01 |
Family
ID=8184233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01811082A Expired - Lifetime EP1310970B1 (de) | 2001-11-09 | 2001-11-09 | Hybridleistungsschalter mit einem Getriebe |
Country Status (6)
Country | Link |
---|---|
US (1) | US6727453B2 (ja) |
EP (1) | EP1310970B1 (ja) |
JP (1) | JP2003157752A (ja) |
CN (1) | CN1253908C (ja) |
AT (1) | ATE368932T1 (ja) |
DE (1) | DE50112798D1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2868197B1 (fr) * | 2004-03-25 | 2006-05-19 | Areva T & D Sa | Dispositif de commande pour l'actionnement coordonne d'au moins deux appareils de commutation dont un est a coupure dans le vide |
FR2877136B1 (fr) * | 2004-10-27 | 2006-12-15 | Areva T & D Sa | Cinematique d'entrainement dans un disjoncteur hybride |
FR2901055B1 (fr) * | 2006-05-12 | 2008-07-04 | Areva T & D Sa | Disjoncteur sectionneur d'alternateur actionne par un servo-moteur |
FR2923661B1 (fr) * | 2007-11-13 | 2010-04-30 | Areva T & D Sa | Appareil de commutation muni d'un disjoncteur et d'un sectionneur et comprenant des moyens d'entrainement communs |
ES2447370T3 (es) * | 2009-12-29 | 2014-03-11 | Abb Technology Ag | Disyuntor de media tensión |
FR2957450B1 (fr) * | 2010-03-09 | 2012-04-20 | Areva T & D Sas | Disjoncteur hybride utilisant un interrupteur avec retour sur fermeture |
FR2985081B1 (fr) | 2011-12-21 | 2015-03-06 | Alstom Technology Ltd | Dispositif de protection contre les particules engendrees par un arc electrique de commutation |
DE102012200238A1 (de) * | 2012-01-10 | 2013-07-11 | Siemens Aktiengesellschaft | Elektrisches Schaltgerät |
FR2996352B1 (fr) | 2012-10-02 | 2014-10-31 | Alstom Technology Ltd | Dispositif de contact electrique de type doigt de contact a fort courant nominal |
WO2014053661A1 (en) * | 2012-10-05 | 2014-04-10 | Abb Technology Ag | Apparatus containing a dielectric insulation gas comprising an organofluorine compound |
US9054530B2 (en) | 2013-04-25 | 2015-06-09 | General Atomics | Pulsed interrupter and method of operation |
CN106531492B (zh) * | 2016-12-30 | 2019-01-22 | 李乾伟 | 偏心轮滑块传动式自保持电控开关 |
CN110277272B (zh) * | 2019-06-21 | 2024-07-30 | 瑞熙恩电气(珠海)有限公司 | 一种断路器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4440996A (en) * | 1981-12-17 | 1984-04-03 | Westinghouse Electric Corp. | Dead tank gas-insulated puffer-type circuit interrupter having interrupting unit in insulated casing |
JPS58145916A (ja) * | 1982-02-24 | 1983-08-31 | Hitachi Ltd | デイスク型レンズ光走査器 |
GB8502036D0 (en) * | 1985-01-28 | 1985-02-27 | Ass Elect Ind | Interrupter/isolator |
FR2655766B1 (fr) * | 1989-12-11 | 1993-09-03 | Merlin Gerin | Disjoncteur hybride moyenne tension. |
EP0721197B1 (fr) * | 1995-01-06 | 2002-03-06 | Gec Alsthom T & D Sa | Disjoncteur à deux chambres de coupure par pôles |
FR2738389B1 (fr) * | 1995-08-31 | 1997-10-24 | Schneider Electric Sa | Disjoncteur hybrique a haute tension |
IT1302716B1 (it) * | 1998-10-20 | 2000-09-29 | Abb Ricerca Spa | Apparecchiatura blindata di interruzione e sezionamento. |
-
2001
- 2001-11-09 AT AT01811082T patent/ATE368932T1/de not_active IP Right Cessation
- 2001-11-09 DE DE50112798T patent/DE50112798D1/de not_active Expired - Lifetime
- 2001-11-09 EP EP01811082A patent/EP1310970B1/de not_active Expired - Lifetime
-
2002
- 2002-11-01 US US10/285,518 patent/US6727453B2/en not_active Expired - Fee Related
- 2002-11-08 CN CNB021499284A patent/CN1253908C/zh not_active Expired - Fee Related
- 2002-11-08 JP JP2002325041A patent/JP2003157752A/ja not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
US6727453B2 (en) | 2004-04-27 |
CN1417823A (zh) | 2003-05-14 |
JP2003157752A (ja) | 2003-05-30 |
ATE368932T1 (de) | 2007-08-15 |
CN1253908C (zh) | 2006-04-26 |
DE50112798D1 (de) | 2007-09-13 |
US20030089682A1 (en) | 2003-05-15 |
EP1310970A1 (de) | 2003-05-14 |
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