CN102725810B - High-voltage circuit breaker with a removable screen for improving the field gradient - Google Patents
High-voltage circuit breaker with a removable screen for improving the field gradient Download PDFInfo
- Publication number
- CN102725810B CN102725810B CN201080054815.8A CN201080054815A CN102725810B CN 102725810 B CN102725810 B CN 102725810B CN 201080054815 A CN201080054815 A CN 201080054815A CN 102725810 B CN102725810 B CN 102725810B
- Authority
- CN
- China
- Prior art keywords
- contact
- radome
- shell
- tension circuit
- bar
- 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 - Fee Related
Links
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
- H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
- H01H33/245—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring using movable field electrodes
-
- 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
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
Landscapes
- Circuit Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The high-voltage circuit breaker makes it possible to reduce the electric field on the arc contacts during cut-offs and consequently the rate of triggering the apparatus. The two contacts (2) and (6) are able to move relative to each other in opposite directions during cut-offs. Their respective supporting members (8) and (16) are also able to move and slide one in relation to the other with respect to a fixed frame. A screen (1) is placed inside the support housing for the first contact (6), by virtue of springs (17), and is moved during an opening operation by means of rods (31). The stops (30) define the instant when the screen starts to move. During its movement, the screen compresses the springs (17) and it keeps this position relative to the arc contact (2) and to the permanent contact (20) until the end of travel. It is applicable to high-voltage circuit breakers.
Description
Technical field
The present invention relates to need to improve with during switching there is the electric switching system of the performance that electric field is relevant.Especially, the present invention relates to circuit breaker, in this circuit breaker, expect to improve the coordination that its different parts are relevant with electric field during the opening operation of this circuit breaker.
Background technology
High-tension circuit-breaker for middle broken height short circuit current needs relatively large piston, to produce the hyperbar blown out needed for electric arc when cut-off breaker.These needs have extremely wide radial space between the permanent contact of center contact, bar and correspondence.Therefore, the value of electric field becomes high at the end of bar.Thus, the degradation of high-tension circuit-breaker, particularly bears the ability of the intrinsic transient recovery voltage of drop-out current in electric wire, cable or capacitor battery.
In order to overcome these drawbacks, need to there is another shape to improve the electric field value in the end of bar.This comprises use metallic shield, or uses by having high-k and the radome made of the material with suitable shape.This radome can slide between bar and permanent contact.In this way, the alteration of form of equipotential lines, therefore, electric field can significantly reduce, in other words, to reach acceptable value.
In order to realize its object, radome should keep static, at least until contact has separated or until contact of breaker is through distance that is sufficient, that determine.At the end of stroke, the position that contact has arrived is considered to starting point, in this starting point, starts as critical value at the electric field value of contactor end.When this is determined, beginning is moved, until the stroke of a described contact terminates by radome together with in contact.Precompressed spring defines the initial position of radome.
In addition, U.S. Patent No. 5 478 980,5 585 610 and 6 462 295 describes the circuit that these use simple motion.Detachable radome is attached to the end of nozzle.When cut-off breaker, radome is covered by permanent contact between its nearly all moving period.Thus, obviously find out, only when circuit breaker is in open position, radome can affect the distribution of electric field, and only improves the dielectric property of circuit breaker.
The device described in document US 6 410 873 and US 4 378 477 uses two contact movement.In these two documents, depending nozzle makes radome move, but described nozzle is not connected directly to the end of this radome.Because insulation nozzle continues to surround contact (it is directly connected with controlling organization (contact of clip-type)), so radome is with the motion of identical direction, and contrary with the direction of the bar that should be protected.Thus, the efficiency of this radome reduces during opening operation He during closed procedure.
U.S. Patent No. 6 410 873 uses the very complicated mechanism be made up of lever system.U.S. Patent No. 4 132 876 (Fig. 1) utilizes the radome driven by insulating bar to implement single contact movement.These very complicated mechanisms for usually use external shield, be insecure for metal enclosed circuit breaker.In addition, in this arrangement, due to simple contact movement, radome does not need to follow static bar.Thus, just stop when this radome arrives desired locations.
In U.S. Patent No. 4 378 477, be also used as to perform the mechanism of heterodromous drive system by using, radome depending nozzle and being driven by ideal.Thus, as in above-mentioned document, radome is with the direction contrary with bar motion, and this bar is the contact expecting to carry out protecting.Thus, such device is not very effective.When causing radome to move in the opposite direction, the position of this radome at the end of stroke is more a lot of in advance than the position of bar.As a result, be more difficult to ensure that the ratio of the electric field on arc contact and the electric field on permanent contact is enough to guarantee that it always appears between arc contact when puncturing generation.Finally, the drawback of this mechanism is: although insulation nozzle is very sensitive parts, when carrying out closed procedure, and mechanical shock can be absorbed by insulation nozzle.
Fixing radome mentioned by above-mentioned patent documentation, or the radome driven by nozzle or lever system or bar.
Thus, improve only the dielectric property of the circuit breaker in open position.
Object of the present invention is intended to overcome the above-mentioned drawback relevant to above-mentioned document.
Summary of the invention
Design of the present invention comprises change and/or reduces the radial space between stationary contacts (arc electrodes 4 in document US 4 132876) and permanent stationary contacts (permanent contact 13 in document US 4 132 876) shown in Fig. 1.This is to make potential lines smooth.After this, the change of electric-force gradient obtains essence and reduces, and is thus greatly reduced at the electric field at contactor end place.This reduce the ratio E/N of electric field divided by gas density, and reduce the risk of restriking, that is, improve the ability of the intrinsic transient recovery voltage of the drop-out current born in electric wire, cable or capacitor battery.
For this purpose, invention broadly provides a kind of high-tension circuit-breaker, it comprises relative to each other moveable two contacts, to make to be separated from each other with interruptive current, this circuit breaker comprises: radome, this radome surrounds the first in two contacts, to have supporting outer contacts, this radome is followed during being restricted to the Part II of the stroke of described first contact in described two contacts, the final position of radome is limited by the compression of Compress Spring, and the second contact in these two contacts also has shell.
According to the present invention, radome is installed into: from the stroke starting point in the second contact-support portion, relatively separate period at described two contacts, and rely on and be fixed to radome with the first end in two ends and another end in these two ends is fixed to the spring of central body right-hand member, slide in the supporting outer (it is fixed to yoke plate) of the first contact in described two contacts, and driven by the central body of the second contact being fixed to these two contacts, radome has junction surface, this junction surface is fixed and is located so that: by contacting with yoke plate when the shell of the first movable contact slides separate with the shell of the second movable contact, this junction surface contacts with yoke plate and driven shield cover during the Part II of the opposing strokes of the first movable contact, wherein said two contacts are separated from each other motion in the opposite direction.
In main embodiment of the present invention, the relative motion of these elements is controlled by following:
Control lever, this control lever is dressed up wherein to feel at ease can pivotable about axle, and this axle is static relative to housing, and by motor apparatus rotary actuation;
First operating lever, it is pivotally mounted to the first end controlling lever in the first end, and is pivotally mounted to the second end of the first movable contact supporting outer in the second end by means of yoke plate; And
Two the second operating levers, it is pivotally mounted to the second end controlling lever in the first end, and is mounted to the second movable contact support portion pivotly in its second end.
First contact-support shell and the choosing of the second contact-support quality award from the ministry are installed into and can slide relative to the stationary housings of circuit breaker.
Preferably, junction surface is installed on the bar that to be fixed on by screw on radome.
Circuit breaker can also have the bar be fixed on by screw on radome, to carry out precommpression to spring.
Accompanying drawing explanation
By reading respectively with reference to the following description that some accompanying drawings provide, the present invention and various technical characteristic thereof can be understood better, in the accompanying drawings:
Fig. 1 is the cross section that the prior art high-tension circuit-breaker with detachable radome is shown;
Fig. 2 is the cross section that high-tension circuit-breaker of the present invention is shown;
Cross section in Fig. 3 A, 3B and 3C illustrates high-tension circuit-breaker of the present invention, is in wherein three operating positions in its disconnection process; And
Fig. 4 A, 4B, 5A, 5B, 6A and 6B are the curves of the result of calculation illustrated the electric field on arc contact and on permanent contact.
parts catalogue
Radome: 1;
First movable contact: 2;
Bar: 3;
Arc electrodes: 4;
Air nozzle: 5;
Conical portion: 5A;
Flared section 5B;
Body: 5C;
Second movable contact: 6;
Cap: 7;
Second contact-support portion: 8;
Static body: 9;
Second contact shell: 10
Permanent contact: 13;
Central insulation pipe: 14;
Yoke plate: 15;
First contact-support shell: 16;
First contact-support shell: 16;
Spring: 17;
Flange: 18;
Inner surface: 19;
Left end: 20 (left ends of the first contact-support shell 16);
Right-hand member: 21 (right-hand members of the second contact shell 10);
Control lever: 22;
First end: 22A (controlling the first end of lever 22);
Second end: 22B (controlling the second end of lever);
Axle: 23;
First operating lever: 24;
First end: 24A (the first end of the first operating lever 24);
Second end: 24B (the second end of the first operating lever 24);
Second operating lever: 25;
First end: 25A;
End ring: 26 (end ring of the flared section of nozzle 5);
Junction surface 28 (junction surface of flange 18)
Bar 29;
Junction surface 30;
Bar 31;
Embodiment
Fig. 2 is the cross section of the core that circuit breaker of the present invention is shown, for the position of identification shielding cover 1, this radome 1 is moveable and is designed to locate around the first movable contact 2 in a deterministic manner, this first movable contact 2 is made up of the end of bar 3, this bar 3 is positioned at the center of circuit breaker, moves in circuit breaker in longitudinal translation mode.Another contact 6 is made up of hollow end piece, and this hollow end piece defines the rotary body being placed in cap 7 inside, and described cap is arranged in the second contact-support portion 8.
Above assembly is at air nozzle 5 internal motion, and this air nozzle 5 comprises: be positioned in the example shown right side, the first conical portion 5A on the first contact 2 side, be positioned at central authorities and be columniform body 5C, and be positioned at the enlarged 5B on the second contact 6 side.This air nozzle 5 makes it possible in the moment determined, gas injection is concentrated to blow out electric arc when two contacts 2 and 6 move away from each other.
Described assembly is constructed by the central insulated tube 14 placed around air nozzle 5, and by this insulated tube 14, the motion of (initiatively) second contact 6 is passed to the first contact 2.First contact-support shell 16 is secured to the yoke plate 15 carrying described bar 3, and wherein, the first contact 2 is positioned at the end of described bar.Finally, the second contact shell 10 is placed around the second contact-support portion 8 of carrying the second contact 6.
One of master unit of circuit breaker of the present invention is the radome 1 being positioned at static body 9 inside, and it is positioned on the inwall of the first contact-support shell 16 being attached to yoke plate 15.Thus this radome has hollow rotary body shape, and it surrounds the left half of bar 3 substantially in the distance determined.The role of radome starts to follow described bar at the predetermined instant of the respective stroke of two contacts 2 and 6, particularly forms the first contact 2 of this bar end.The having of radome 1 helps the change reducing electric-force gradient, and therefore significantly reduces the electric field of the end of the first contact 2.Therefore, obtain the less ratio of electric field divided by gas density, and reduce the risk of restriking.
The flange 18 at spring 17 pairs of central body 14 right-hand member places is exerted pressure.The left end of this central body is pressed on the inner surface 19 of radome 1.Spring 17 relies on bar 29 and is pre-compressed, and this bar 29 is fixed on radome 1 left end by screw, and is attached this bar can be slided in flange 18 by the junction surface 28 of flange 18.
Composition graphs 3A, this Fig. 3 A shows the circuit breaker of the present invention being in its make position, and two contacts 2 and 6 contact with each other.More properly, the first contact 2 is positioned at the second contact 6 inside of hollow rotary body form.
In figure 3 a, the second contact-support assembly 8 is positioned at towards the first from left point in the second contact shell 10 inside.The left end 20 of the first contact-support shell 16 surrounds the right-hand member 21 of the second contact shell 10.Thus, because central body 14 is fixed on the second contact shell 10, so the assembly being positioned at central body 14 inside is surrounded completely by the first contact-support shell 16.Therefore, the first contact-support shell 16 slides around the assembly comprising the second contact shell 10 and central body 14.
Three accompanying drawings 3A, 3B, 3C particularly illustrate the driving of each parts of circuit breaker, particularly rely on the driving that three levers comprising control lever 22 carry out, this control lever 22 is installed into can about trunnion axis 23 pivotable, this axle is not static relative to described assembly, is namely not static relative to the housing fixing this circuit breaker.
In the make position of the circuit breaker in figure 3 a, control lever 22 and have the first end 22A be hinged on the first end 24A of the first operating lever 24, another end 24B of this first operating lever 24 is hinged on the middle body of yoke plate 15.
Accordingly, the the second end 22B controlling lever 22 is hinged to the first end 25A of two the second operating levers 25, second end of these two the second operating levers 25 is hinged to the end ring 26 of the flared section 5A of air nozzle 5, and this air nozzle is also fixed to the assembly comprising central body 14 and the second contact shell 10.
In figure 3 a, control lever 22 to tilt to make the mode by the first operating lever 24 advances left.In this way, yoke plate 15 self is pushed in its left-most position.Accordingly, two operating levers 25 are drawn to the right, the assembly of the second contact shell 10 and central insulated tube 14 are remained on inside to the right simultaneously.
Composition graphs 3B, this Fig. 3 B shows the center off position between two contacts 2 and 6, controls lever 22 and has rotated make to pull the first operating lever 24 to the right and advance the second operating lever 25 left.In this way, the yoke plate 15 carrying bar 3 and the first contact 2 moves right.As a result, the first contact 2 shifts out from the second contact 6.Meanwhile, the second operating lever 25 advances left, thus promote to carry air nozzle 5 and be fixed to the second contact shell 10, the assembly that comprises central isolated tube 14.As a result, the assembly be made up of cap 7 and the second contact-support portion 8 of the second contact 6 slides in the second contact shell 10.
During this interstage shown in Fig. 3 B, the left end 20 of the first contact-support shell 16 separates with the right-hand member of the second contact shell 10.Meanwhile, bar 3 and the first contact 2 are at air nozzle 5 internal slide.Here it is works as the moment being positioned at the junction surface 30 on bar 31 and contacting with yoke plate 15, and this bar 31 is fixed to the left part of radome 1 and slides in flange 18 and yoke plate 15.This is also the moment that radome 1 starts to move with the first contact-support shell 16 and bar 3 simultaneously.
Composition graphs 3C, controls lever 22 and rotates continuously and pulled the first operating lever 24 to the right, with pull lever 3 and contact 2 to the right as far as possible.
But after the interstage shown in Fig. 3 B, spring 17 is compressed by the adjacent yoke plate 15 in the junction surface that becomes and be fastened on bar 31 30, and this bar 31 is fixed on the left part of radome 1 by screw, and can slide in yoke plate 15 and flange 18.
Fig. 3 C illustrates that spring 17 compresses to be terminated, the first contact 2 and the second contact 6 and at utmost separated with its fixing element.Therefore, between the compression period of spring 17, at spring 17, by the junction surface 30 be positioned on the right side of bar 31, while being compressed, radome 1 is driven to the right.
Meanwhile, moving dorsad of these relevant with the second contact 6 to the first contact 2 two sub-components causes the second contact shell 10 in the second contact-support portion 8 to move away stationary piston (not shown).Between Fig. 3 A and Fig. 3 B, this translational motion is conducive to the internal volume of reduction second contact shell 10, and is necessary for blowing-out electric arc.
The major advantage of this circuit breaker is to improve the ability of bearing transient recovery voltage, and particularly for very high voltage, this transient recovery voltage is that the drop-out current in electric wire, cable or capacitor battery is intrinsic.
Arc contact 2 and 6 points open almost simultaneously, low capacitance current is interrupted.Because recovery voltage is according to relation
change, wherein w is source frequency, and t is the time, and U is rms voltage applicatory, therefore,
maximum will after-applied in clearly defined time span (being about the half in the cycle of mains frequency applicatory).Therefore, contact is separately far away in this moment, then more weak at the electric field of the end of contact.Therefore, by the value utilizing radome 1 to reduce the field at contactor end place, the distance between contact can reduce, thus makes it possible to the speed reducing contact, causes mechanical stress to reduce.This effect is shown in Fig. 4 A, 4B and 4C.
Fig. 4 A and Fig. 4 B illustrates in the value not having the electric-force gradient calculated for the speedometer of 13 metre per second (m/s)s (m/s) in removable radome situation, Fig. 5 A and Fig. 5 B illustrates in the value not having the electric-force gradient calculated for the speedometer of 19m/s in removable radome situation, and Fig. 6 A and Fig. 6 B illustrates in the value with the electric-force gradient calculated for the speedometer of 13m/s in removable radome situation.In Fig. 4 A, 5A and 6A, the result illustrated is relevant with the voltage applied on bar (the first movable contact 2) side, and in Fig. 4 B, 5B and 6B, the calculated value illustrated is relevant with the voltage applied on Mume flower contact (the second movable contact 6) side.
Claims (5)
1. a high-tension circuit-breaker, comprising: with relative to each other moveable two contacts (2,6) that can be separated from each other in the mode of interruptive current, described high-tension circuit-breaker comprises:
Surround in described two contacts, there is the radome (1) of first contact (2) of the first contact-support shell (16), described radome (1) is restricted to: comprise described first contact (2) and the first contact-support shell (16) thereof assembly stroke Part II during, follow described first contact-support shell (16) and described first contact (2), the final position of described radome (1) is limited by the compression of Compress Spring (17), second contact (6) has the second contact-support portion (8), and the feature of described high-tension circuit-breaker is,
Described radome (1) is installed into: two movable contact (2,6) be separated from each other from the stroke starting point in described second contact-support portion (8) period, and rely on the spring of the end, right side second of end, the left side first and central body (14) fixing with described second contact-support portion (8) being fixed on described radome (1), slide in the first contact-support shell (16) being fixed to yoke plate (15) and driven by described central body (14), described radome (1) has junction surface (30), described junction surface (30) is fixed and is located so that: when described radome (1) is due to two movable contact (2,6) in the opposite direction when its respective shell is separated from each other and slides together with support portion,. during the Part II of the stroke of a contact-support shell (16), described junction surface (30) contacts with described yoke plate (15) and drives described radome (1).
2. high-tension circuit-breaker according to claim 1, is characterised in that: the relative motion of its composed component controls by controlling lever (22), the first operating lever (24) and the second operating lever (25), wherein,
Control lever (22) to dress up wherein to feel at ease about axle (23) pivotable, described axle (23) is relative to housing stationary and by motor apparatus rotary actuation;
First operating lever (24) is pivotally mounted to first end (22A) of described control lever (22) at its first end (24A) place, and is pivotally mounted to described first contact-support shell (16) by means of yoke plate (15) at the second end (24B) place; And
Second operating lever (25) is pivotally mounted to second end (22B) of described control lever (22) at its first end (25A) place, and is mounted to the second contact-support portion (8) pivotly at the second end (25B) place.
3. high-tension circuit-breaker according to claim 1 and 2, be characterised in that: described first contact-support shell (16) and described second contact-support portion (8) are installed into slides relative to static body (9), to make to be separated from each other in opposite direction.
4. high-tension circuit-breaker according to claim 1, is characterised in that: described junction surface (30) are arranged on the bar (31) that to be fixed on by screw on described radome (1).
5. high-tension circuit-breaker according to claim 1, is characterised in that: it has the bar (29) be fixed on by screw on described radome (1), to carry out precommpression to described spring (17).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0958771A FR2953639B1 (en) | 2009-12-09 | 2009-12-09 | HIGH VOLTAGE CIRCUIT BREAKER WITH REMOVABLE SCREEN FOR IMPROVING THE GRADIENT OF FIELD |
| FR0958771 | 2009-12-09 | ||
| PCT/EP2010/069087 WO2011070022A1 (en) | 2009-12-09 | 2010-12-07 | High-voltage circuit breaker with a removable screen for improving the field gradient |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102725810A CN102725810A (en) | 2012-10-10 |
| CN102725810B true CN102725810B (en) | 2015-04-01 |
Family
ID=42315805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080054815.8A Expired - Fee Related CN102725810B (en) | 2009-12-09 | 2010-12-07 | High-voltage circuit breaker with a removable screen for improving the field gradient |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2510530B1 (en) |
| CN (1) | CN102725810B (en) |
| FR (1) | FR2953639B1 (en) |
| WO (1) | WO2011070022A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2982069B1 (en) * | 2011-10-27 | 2013-12-20 | Alstom Technology Ltd | CUTTING CHAMBER WITH A TUBE LIMITING THE IMPACT OF PARTICLE GENERATION AND ELECTRIC CUTTING EQUIPMENT EQUIPPED WITH SUCH CUTTING CHAMBER |
| CN102881477B (en) * | 2012-09-24 | 2014-12-24 | 中国西电电气股份有限公司 | Double glide transmission mechanism |
| FR3008225B1 (en) * | 2013-07-08 | 2016-11-25 | Alstom Technology Ltd | REMOVABLE SCREEN BREAKER |
| EP3151261B1 (en) | 2015-10-02 | 2019-06-12 | Siemens Aktiengesellschaft | Cam circuit-breaker for medium and high voltages |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5478980A (en) * | 1994-04-05 | 1995-12-26 | Abb Power T&D Company, Inc. | Compact low force dead tank circuit breaker interrupter |
| US5585610A (en) * | 1994-04-05 | 1996-12-17 | Abb Power T&D Company Inc. | Moving gas mixing plate for puffer interrupter |
| EP0809269A2 (en) * | 1996-05-24 | 1997-11-26 | Siemens Aktiengesellschaft | High voltage circuit breaker with two driven switch contact pieces |
| CN1248780A (en) * | 1998-09-09 | 2000-03-29 | 阿尔斯托姆法国公司 | Circuit breaker with electric resistance plugging in system having long plugging time |
| CN1393900A (en) * | 2001-06-25 | 2003-01-29 | 阿尔斯托姆公司 | Apparatus with combined vacuum and gas interrupting high-voltage circuit beaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2140284A1 (en) * | 1971-08-06 | 1973-02-15 | Siemens Ag | ELECTRIC PRESSURE GAS SWITCH |
| JPS5238173A (en) * | 1975-09-22 | 1977-03-24 | Hitachi Ltd | Buffer gas breaker |
| CH644969A5 (en) | 1979-09-25 | 1984-08-31 | Sprecher & Schuh Ag | Gas pressure switch. |
| DE29901205U1 (en) | 1999-01-15 | 1999-05-12 | Siemens AG, 80333 München | High-voltage circuit breakers, in particular compressed gas circuit breakers |
| DE19902835C2 (en) | 1999-01-20 | 2001-12-06 | Siemens Ag | High-voltage circuit breaker with an insulating nozzle |
-
2009
- 2009-12-09 FR FR0958771A patent/FR2953639B1/en not_active Expired - Fee Related
-
2010
- 2010-12-07 EP EP10787765.6A patent/EP2510530B1/en not_active Not-in-force
- 2010-12-07 CN CN201080054815.8A patent/CN102725810B/en not_active Expired - Fee Related
- 2010-12-07 WO PCT/EP2010/069087 patent/WO2011070022A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5478980A (en) * | 1994-04-05 | 1995-12-26 | Abb Power T&D Company, Inc. | Compact low force dead tank circuit breaker interrupter |
| US5585610A (en) * | 1994-04-05 | 1996-12-17 | Abb Power T&D Company Inc. | Moving gas mixing plate for puffer interrupter |
| EP0809269A2 (en) * | 1996-05-24 | 1997-11-26 | Siemens Aktiengesellschaft | High voltage circuit breaker with two driven switch contact pieces |
| CN1248780A (en) * | 1998-09-09 | 2000-03-29 | 阿尔斯托姆法国公司 | Circuit breaker with electric resistance plugging in system having long plugging time |
| CN1393900A (en) * | 2001-06-25 | 2003-01-29 | 阿尔斯托姆公司 | Apparatus with combined vacuum and gas interrupting high-voltage circuit beaker |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2953639A1 (en) | 2011-06-10 |
| CN102725810A (en) | 2012-10-10 |
| WO2011070022A1 (en) | 2011-06-16 |
| FR2953639B1 (en) | 2012-01-13 |
| EP2510530A1 (en) | 2012-10-17 |
| EP2510530B1 (en) | 2014-04-16 |
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