CN104335312B - Three-position load isolating switch for medium-voltage switchgear assemblies - Google Patents
Three-position load isolating switch for medium-voltage switchgear assemblies Download PDFInfo
- Publication number
- CN104335312B CN104335312B CN201380030088.5A CN201380030088A CN104335312B CN 104335312 B CN104335312 B CN 104335312B CN 201380030088 A CN201380030088 A CN 201380030088A CN 104335312 B CN104335312 B CN 104335312B
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- CN
- China
- Prior art keywords
- contact
- rotatable
- motion
- fixed
- current path
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing 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
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/125—Load break switches comprising a separate circuit breaker
-
- 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
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/125—Load break switches comprising a separate circuit breaker
- H01H33/127—Load break switches comprising a separate circuit breaker movable with a sectionalising contact arm and operated by such movement
-
- 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
- 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
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
In order to design a three-position load isolating switch for medium-voltage switchgear assemblies, which three-position load isolating switch can be produced in a cost-effective manner with a compact construction, a three-position load isolating switch (1), for medium-voltage switchgear assemblies having a main contact system, is formed from a first fixed contact (2) and from a second fixed contact (3), said fixed contacts being situated diametrically opposite one another, and from a moving contact (4) which can be rotated by means of a rotary support (7) which is arranged centrally between the first fixed contact (2) and the second fixed contact (3), so as to form a main current path in a first position of the rotatable contact (4), so as to form an isolating section in a second position of the rotatable contact (4) and so as to form an earthing position with an earthing contact system in a third position of the rotatable contact, and also from a secondary current path which is formed from the first fixed contact (2), from the second fixed contact (3), from an arc-quenching contact system (9) and also from a first sliding contact (15) and a second sliding contact (16) for forming a conductive connection to the rotatable contact (4) in a rotation angle region of the rotatable contact (4), which rotation angle region is located between the first position and the second position, in such a way that, when a rotary movement is initiated in the rotatable contact (4), commutation of an alternating current which flows across the switchgear from the main current path to the secondary current path is possible, wherein the rotatable contact (4) has means (18, 19, 25) for interrupting the arc-quenching contact system (9), and, when the arc is quenched and a further rotary movement is initiated, the isolating section can be formed.
Description
Technical field
The present invention relates to a kind of three station load-break switch for medium voltage switchgear equipment, its carry main contact system and
Auxiliary current path：The main contact system is consolidated by opposed the first fixed contact and the second fixed contact and by being arranged in first
The rotatable motion contact of the rotary support supporting of center is formed between fixed contact and the second fixed contact, so as in motion
Primary current path is formed in the first position of contact, isolating partition is formed in the second place of rotatable motion contact, and
The earthing position with ground connection contact system is formed in the 3rd position of rotatable motion contact；The auxiliary current path is by first
Fixed contact, the second fixed contact, arc extinguishing contact system and the first sliding contact and the second sliding contact are formed, to be in
Formed and rotatable motion contact in angular range between the first position of rotatable motion contact and the second place
Conducting connection so that in rotatable motion contact introduce rotary motion when realize flow through switching device alternating current from
Primary current path to auxiliary current path commutation, wherein rotatable motion contact have for disconnection arc extinguishing contact system dress
Put, and the formation of isolating partition is realized in arc extinction and when introducing rotary motion, wherein arc extinguishing contact system is opened including vacuum
Guan Guan.
Background technology
For medium voltage switchgear equipment load separating switch for example from the A1 of DE 10 2,004 006 476, it is known that and bag
Main contact system and auxiliary connection branch are included, the blow-out contact arrangement for extinguishing electric arc is provided in the auxiliary connection branch
And for providing the separation contact arrangement of compressive resistance.
Three station load-break switch of aforementioned type are known from the B1 of EP 0693763.
The content of the invention
The technical problems to be solved by the invention are three stations of aforementioned type to form compact conformation, can inexpensively manufacture
Load-break switch.
According to the present invention, this technical problem is solved in the following way, device include for operate by guide element with
The cam disc of the rocking arm of the motion contact portion pin connection of vacuum switch tube, and device further has rotor mechanism so that
Three station load-break switch from the 3rd position of rotatable motion contact or the second place to the connection of its first position
During keep arc extinguishing contact system off-state.
On the one hand such three stations load-break switch has compact structure, because passing through the first fixed contact and second
The master that the diameter of fixed contact is opposed and rotatable motion contact that be disposed there between is realized on small structure space
Current path and auxiliary current path are arranged side by side, and mode is to realize being directed through the alternating current of switching device in rotary motion
Stream from primary current path to the commutation of auxiliary current path；On the other hand, such switching device has cheap structure, its reason
The arc extinguishing contact system by being arranged in auxiliary current path, this arc extinguishing contact system and the first and second sliding contacts with
And the other attachment means with the first and second fixed contacts can be by the cheap material system of such as steel or stainless steel or aluminium etc.
Make, because only temporarily steering current passes through auxiliary current path up to the arc extinction in arc extinguishing contact system in switching process
There is transfer of the three station load-break switch to separation point position afterwards so that for the requirement of the material property of auxiliary current path
Less than the requirement of the material property for primary current path.Structure with cam disc is herein mechanically stable, and is therefore
It is compact and cheap, because the low spring force for only needing to overcome the contact spring of arc extinguishing contact system with this structure does work, and
Ensured in an advantageous manner by introducing rotary motion in the opposite direction and by rotatable motion by rotor mechanism
Contact performs the connection process of switching device from the 3rd position of the process of connection or second place transfer first position, and does not exist
Rung by the film of auxiliary current path, and the vacuum switch tube particularly without arc extinguishing contact system participation so that for true
Empty switching tube does not exist the requirement of the aspects such as combined floodgate stability, because in the process of connection in rotatable motion contact and first
Or second light connection electric arc between fixed contact, this is especially arranged in dielectric for example in three station load-break switch
Being simple, more cheap compared with connecting in vacuum switch tube being used in the housing that insulating gas or iknsulating liquid are filled
Perform the possibility of connection process.
In favourable construction of the invention, vacuum switch tube has the contact system that can be closed by contact spring
System.The contact system of vacuum switch tube is maintained in its closure state by contact spring, as long as rotatable motion is touched
The device for disconnection arc extinguishing contact system of point is not engaged thereon so that be arranged in auxiliary electric current road by arc extinguishing contact system
In footpath, low spring force is only needed particularly with contact spring because by auxiliary current path non-conducting, turn on and off it is short
Road electric current.
In favourable construction of the invention, ground connection contact system matches the of contact by earthing contact, as being grounded
Two sliding contacts and rotatable motion contact are formed.With this, with simple and compact mode form with position EIN,
The three station load-break switch of AUS and ERDE.
Brief description of the drawings
The present invention is hereinafter elucidated in more detail with reference to the drawing according to drawings and embodiments.Each figure is：
Fig. 1 is the embodiment of the switching device in first position of the invention；
Fig. 2 and Fig. 3 are the switching devices of the Fig. 1 in separation point position and earthing position；
Fig. 4 is the figure of the embodiment of the threephase switch device of the switching device according to Fig. 1.
Specific embodiment
Fig. 1 shows the three station load-break switch 1 in medium voltage switchgear equipment (not shown) in figure for use, its
In three station load-break switch 1 can be connected with the arbiter joint of switchgear with the first fixed contact 2, and with second fix
Contact 3 can be connected with the output cable of medium voltage switchgear equipment.The first fixed contact 2 and second being preferably made up of copper product is consolidated
Fixed contact 3 forms main contact system and the principal current road of three station load-break switch 1 with rotatable motion contact 4 together
Footpath.Motion contact 4 is formed as knife pair and including (not shown) in the first knife pair in the first knife opposite end 5 and the second knife opposite end 6 and figure
Other between knife opposite end 6 is conductively connected at end 5 and second, and is in the first position in Fig. 1, the in the first position
One knife opposite end 5 is conductively connected with the formation of the first fixed contact 2 and the second knife opposite end 6 forms with the second fixed contact 3 and is conductively connected,
So that realizing by three station load-break switch 1 or the electric current flowing for passing through primary current path.Rotatable motion contact 4 exists
This is fixed on rotary support 7, also (not shown) for making what rotary support 7 rotated in realizing figure in the rotary support 7
The powered motion of driver and it is achieved that the rotation of rotatable motion contact 4.By conduction in the first fixed contact 2
Connect 8 it is conductively connected have arc extinguishing contact system 9, the arc extinguishing contact system 9 by with motion contact 11 and fixed contact 12
Vacuum switch tube 10 formed, wherein arc extinguishing contact system 9 in Fig. 1 be in closure state, mode is contact spring 13
Apply a pressure to be maintained in the closing position of arc extinguishing contact system 9 on motion contact portion pin 14.Arc extinguishing contact system
The motion contact 11 of system 9 is again conductively connected with the first sliding contact 15.Second sliding contact 16 is conductively connected by other
Element 17 is conductively connected with the second fixed contact 3, so as to introduce rotary motion and rotatable motion contact in rotary support 7
4 rotate to contact position (the first knife opposite end 5 of wherein rotatable motion contact 4 or the second knife opposite end 6 and the first sliding contact
15 or second sliding contact 16 be conductively connected) in after, by the first fixed contact 2, be conductively connected 8, the arc extinguishing of closure is contacted
System 9, the first sliding contact 15, rotatable motion contact 4, the second sliding contact 16, conductive connecting element 17 and second
Fixed contact 3 forms auxiliary current path, is such as explained in detail below with reference to Fig. 2.First sliding contact 15 and the second slip are touched
Point 16 can be formed for example by steel.Cam disc 18 is also provided with rotatable motion contact 4, the cam disc 18 has curve rail
Road 19, by the curve track 19 in rotatable 4 rotary motion of motion contact operable rocking arm 20, the rocking arm 20 is rotatable
Be supported on the point of rotation 21 and be directed to be moved along curve track by guide pins 22, which provide guide element 23, shake
Arm 20 makes the motion contact portion pin 14 of arc extinguishing contact system 9 move and arc extinguishing contact system 9 breaks by the guide element 23
Open.There is curve track 19 its trend to be provided for the Part I of disconnection arc extinguishing contact system 9 herein, and with carrying
The Part II of maximum radius, ensure that arc extinguishing contact system 9 is remained open by guide pins 22 by the Part II.
The earthing contact 24 for being grounded contact system is provided for being formed the earthing position of three station load-break switch 1,
This is explained in detail with reference to Fig. 4.Rotor mechanism 25 is provided with cam disc 18, the rotor mechanism 25 has swingle 26 and spring lever
27 and spring 28, and the rotor mechanism 25 is provided so that during the connection of three station load-break switch 1 arc extinguishing connects
System 9 is touched to be maintained in its off-state, and rotatable motion contact 4 is opposite by introducing from earthing position or scram position
Rotary motion be transferred in first position, mode is that curve track 19 keeps its maximum radius by rotor mechanism, such as in Fig. 4
In be explained further below.In turn off process, the spring lever 27 on swingle 26 is rotatably retained at by guide pins
22 are forcibly swung away from the position in its Fig. 1, but as long as having reached it on curve track by rotary motion guide pins 22
Maximum radius, then branch back to the position of its original by spring 28 so that when connection process is with motion is gone back to, also in curve
There is maximum radius in the region of track 19, and arc extinguishing contact system 9 is kept by being guided to the guide pins 22 of maximum radius
In off-state.Three station load-break switch 1 are arranged in housing 29 herein, and the housing 29 can be with insulating gas or insulation
Liquid is filled and can fixed and on medium voltage switchgear equipment by the retaining element for only illustratively being indicated with drawing reference numeral 30.
The function of three station load-break switch 1 in Fig. 1 is hereinafter explained in detail according to Fig. 1 to Fig. 3.Such as above
Illustrate, three station load-break switch 1 are in its first position in Fig. 1, with by the first fixed contact 2, rotatable
The primary current path that motion 4 and second fixed contact of contact 3 is formed.Powered motion is introduced in rotary support 7 to perform switch
Process and when ultimately forming the isolating partition for dielectric separation, realizes the position (not shown) in figure, wherein the first knife first
The fixed contact 2 of opposite end 5 and first and it is conductively connected with the first sliding contact 15 and the second knife opposite end 6 and the second fixed contact 3
It is conductively connected with the second sliding contact 16 so that be now engraved in when arc extinguishing contact system 9 is closed and introduce from primary current path to auxiliary
The commutation of current path.Then in further rotary motion, the first knife opposite end 5 or the second knife opposite end 6 are still only slided with first
The sliding contact 16 of movable contact 15 or second is conductively connected so that primary current path is disconnected and commutation is completed.Here, cam disc 18 with
Its engagement rocker arm 20 of curve track 19 so that the fortune that arc extinguishing contact system 9 is passed through around the rotation of the point of rotation 21 by rocking arm 20
The guide element 23 of movable contact connecting pin 14 promotes a kind of motion, and the motion overcomes the spring force of contact spring 13 can to introduce
And cause the disconnection of arc extinguishing contact system 9, so as to the electric arc in the arc extinguishing contact system 9 of vacuum switch tube 10 is on auxiliary electric current road
Lighted in footpath, the electric arc is extinguished in the alternating current zero passage guided by switching device.In reaching Fig. 2 when further rotating
Position, wherein rotatable motion contact 4 is in the second place, with the separation point position for being formed and the electric current stream being fully disconnected
It is dynamic, wherein, also with its curve track 19, still the arc extinguishing of engagement rocker arm 20 and the auxiliary current path of holding contacts system to cam disc always
System 9 disconnects, and exists between knife opposite end 5 or 6 and fixed contact 2 or 3 and between knife opposite end 5 or 6 and sliding contact 15 or 16
Enough distances, to complete the dielectric separation of switching device or medium voltage switchgear equipment.
In other words, that is to say, that in the first position of the on-state of the three station load-break switch 1 of Fig. 1 and Fig. 1
By in rotary support 7 and therefore may be used between the second place with the isolating partition for being formed of three station load-break switch 1
The rotation angle range that rotary motion have passed through rotatable motion contact 4 is introduced in the motion contact 4 of rotation so that make first
The alternating current for flowing through switching device can commutate to auxiliary current path from primary current path, and in arc extinction and further rotation
Transhipment realizes the formation of isolating partition by reaching the second place of Fig. 2 when dynamic.
When further rotary motion is introduced, rotatable motion contact 4 be finally reached its in figure 3 illustrated the
Three positions, the wherein rotatable motion contact 4 are by the first knife opposite end 5 and the second fixed contact 3 and by the second knife opposite end 6
It is conductively connected with earthing contact 24 so that form the ground connection of all devices part being conductively connected with the second fixed contact 3.
The mode that the connection process of three station load-break switch 1 is carried out is, be in separation point position or earthing position
In the opposite side of rotary motion of connection process of three station load-break switch 1 be directed upwardly into rotary motion, such as in figure 3
Diagram, and rotatable motion contact 4 rotate back into the position of Fig. 1 rotation until the first knife opposite end 5 and the first fixed contact 2 with
And second knife opposite end 6 and the second fixed contact 3 reach and be conductively connected.
Ensured herein by rotor mechanism 25, during arc extinguishing contact system 9 is maintained at its off-state during the connection, because
It is, by maximum radius of the spring lever 27 in curve track of spring 28, for guiding guide pins 22, such as to have been described hereinbefore.
Realize inexpensively constructing the vacuum switch tube 10 of arc extinguishing contact system 9 with this, because the vacuum switch tube 10 is not joined
With the process of connection and therefore need not propose special requirement for the combined floodgate stability of vacuum switch tube 10.Additionally, in the design
In auxiliary current path can be formed for example, by the cheap material of steel, stainless steel or aluminium because electric current only guide in short-term in short time it is logical
Auxiliary current path is crossed, and especially occurs without short circuit current in auxiliary current path.
Fig. 4 shows threephase switch device 1, and wherein each phase 31,32 or 33 is formed according to the embodiment of Fig. 1 to Fig. 3, its
In visible housing 29 and wherein single phase 31,32 and 33 be connected with each other by connecting element 34 so that by will not scheme in figure
The rotary motion of the driver for showing introduced and operated while all phases are realized in rotary support 7.Phase 31,32 and 33 connects
Ground contact 24 is connected with each other by grounding rail 35, and the grounding rail is grounded in itself.Framework 36 provide as three station loads every
Leave the keeper and arbiter joint 37,38 and 39 and output cable joint 40,41 and for arranging switchgear for closing 1
42。
Reference list
1 three station load-break switch
2 first fixed contacts
3 second fixed contacts
4 motion contacts
5 first knife opposite ends
6 second knife opposite ends
7 rotary supports
8 are conductively connected
9 arc extinguishing contact systems
10 vacuum switch tubes
11 motion contacts
12 fixed contacts
13 contact springs
14 motion contact portion pins
15 first sliding contacts
16 second sliding contacts
17 connecting elements
18 cam discs
19 curve tracks
20 rocking arms
21 points of rotation
22 guide pins
23 guide elements
24 earthing contacts
25 rotor mechanisms
26 swingles
27 spring levers
28 springs
29 housings
30 retaining elements
31st, 32,33 phase
34 connecting elements
35 grounding rails
36 frameworks
37th, 38,39 arbiter joint
40th, 41,42 output cable joint
Claims (3)
1. a kind of three station load-break switch (1) for medium voltage switchgear equipment, the three stations load-break switch is with master
Contact system and auxiliary current path, the main contact system are fixed by diametrically opposed the first fixed contact (2) and second and touched
Point (3) and can be revolved by rotary support (7) centrally arranged between the first fixed contact (2) and the second fixed contact (3)
The rotatable motion contact (4) for turning is formed, so as to form principal current road in the first position of rotatable motion contact (4)
Footpath, forms isolating partition in the second place of rotatable motion contact (4), and the of rotatable motion contact (4)
The earthing position with ground connection contact system is formed in three positions, the auxiliary current path is fixed by the first fixed contact (2), second
Contact (3), arc extinguishing contact system (9) and the first sliding contact (15) and the second sliding contact (16) are formed, be in can
Formed and rotatable motion contact in angular range between the first position of the motion contact (4) of rotation and the second place
(4) conducting connection so that realize flowing through the exchange of switching device when introducing rotary motion in rotatable motion contact (4)
Electric current from primary current path to the commutation of auxiliary current path, wherein rotatable motion contact (4) is with for disconnection arc extinguishing
The device (18,19,25) of contact system (9), and realize isolating partition in arc extinction and when introducing further rotary motion
Formed, wherein, the arc extinguishing contact system (9) includes vacuum switch tube (10), and described device (18,19,25) is including for grasping
Make convex with the rocking arm (20) that motion contact portion pin (14) of the vacuum switch tube (10) couples by guide element (23)
Wheel disc (18), it is characterised in that described device (18,19,25) also has rotor mechanism (25) so that in the three stations load
Disconnecting switch (1) from the 3rd position of rotatable motion contact (4) or the second place to the connection process of its first position
The off-state of the middle holding arc extinguishing contact system (9).
2. switching device according to claim 1, it is characterised in that the vacuum switch tube (10) is with can be by contact
The contact system of compression spring (13) closure.
3. switching device according to claim 1 and 2, it is characterised in that the ground connection contact system passes through earthing contact
(24), formed as second fixed contact (3) and rotatable motion contact (4) of ground connection pairing contact.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012210720 | 2012-06-25 | ||
| DE102012210720.7 | 2012-06-25 | ||
| PCT/EP2013/061437 WO2014001029A1 (en) | 2012-06-25 | 2013-06-04 | Three-position load isolating switch for medium-voltage switchgear assemblies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104335312A CN104335312A (en) | 2015-02-04 |
| CN104335312B true CN104335312B (en) | 2017-05-24 |
Family
ID=48576428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380030088.5A Active CN104335312B (en) | 2012-06-25 | 2013-06-04 | Three-position load isolating switch for medium-voltage switchgear assemblies |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2845213B1 (en) |
| CN (1) | CN104335312B (en) |
| ES (1) | ES2601385T3 (en) |
| WO (1) | WO2014001029A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3034251B1 (en) | 2015-03-27 | 2017-04-28 | Schneider Electric Ind Sas | SWITCH OF A THREE-PHASE NETWORK |
| DE202017104597U1 (en) * | 2017-08-01 | 2018-11-13 | Walter Kraus Gmbh | Residual load-break switch |
| EP3928344B1 (en) * | 2019-03-29 | 2023-02-15 | Siemens Aktiengesellschaft | Optimised three-position switch |
| CN112435876B (en) * | 2020-11-26 | 2023-05-23 | 海南电网有限责任公司三亚供电局 | Three-station switch structure for comprehensive cabinet |
| EP4053871A1 (en) | 2021-03-03 | 2022-09-07 | ABB Schweiz AG | A medium voltage switching apparatus |
| FR3121267A1 (en) | 2021-03-24 | 2022-09-30 | Schneider Electric Industries Sas | Switching system of an electrical device |
| CN114613638B (en) * | 2022-03-22 | 2024-01-16 | 宁波剑润机电有限公司 | Three-station position signal switching device |
| EP4276872A1 (en) * | 2022-05-12 | 2023-11-15 | ABB Schweiz AG | A medium voltage switching apparatus |
| EP4276870A1 (en) * | 2022-05-12 | 2023-11-15 | ABB Schweiz AG | A medium voltage switching apparatus |
| EP4276869A1 (en) * | 2022-05-12 | 2023-11-15 | ABB Schweiz AG | A medium voltage switching apparatus |
| EP4276874A1 (en) * | 2022-05-12 | 2023-11-15 | ABB Schweiz AG | A medium voltage switching apparatus |
| EP4277059A1 (en) * | 2022-05-12 | 2023-11-15 | ABB Schweiz AG | Switchgear equipment for electric power distribution grids |
| EP4283645A1 (en) * | 2022-05-25 | 2023-11-29 | ABB Schweiz AG | A medium voltage switching apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0693763A1 (en) * | 1994-07-20 | 1996-01-24 | Schneider Electric Sa | M.T. electrical switches |
| CN102428536A (en) * | 2009-05-26 | 2012-04-25 | 施耐德电气能源法国公司 | Catching and locking device inside a switch or circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2719154B1 (en) * | 1994-04-25 | 1996-06-07 | Merlin Gerin | Medium voltage electric switch. |
| DE102004006476B4 (en) | 2004-02-04 | 2006-02-09 | Siemens Ag | Switch disconnectors |
| WO2011147717A1 (en) * | 2010-05-25 | 2011-12-01 | Siemens Aktiengesellschaft | Switch disconnector |
| DE202010009448U1 (en) * | 2010-06-23 | 2010-09-09 | Ipt International Power & Technology Gmbh | High voltage switching device |
-
2013
- 2013-06-04 ES ES13726788.6T patent/ES2601385T3/en active Active
- 2013-06-04 EP EP13726788.6A patent/EP2845213B1/en active Active
- 2013-06-04 WO PCT/EP2013/061437 patent/WO2014001029A1/en active Application Filing
- 2013-06-04 CN CN201380030088.5A patent/CN104335312B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0693763A1 (en) * | 1994-07-20 | 1996-01-24 | Schneider Electric Sa | M.T. electrical switches |
| CN102428536A (en) * | 2009-05-26 | 2012-04-25 | 施耐德电气能源法国公司 | Catching and locking device inside a switch or circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2601385T3 (en) | 2017-02-15 |
| EP2845213B1 (en) | 2016-08-03 |
| EP2845213A1 (en) | 2015-03-11 |
| WO2014001029A1 (en) | 2014-01-03 |
| CN104335312A (en) | 2015-02-04 |
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