CN110537236A - For the device and method of switching high current in parallel in high pressure technique - Google Patents
For the device and method of switching high current in parallel in high pressure technique Download PDFInfo
- Publication number
- CN110537236A CN110537236A CN201880025953.XA CN201880025953A CN110537236A CN 110537236 A CN110537236 A CN 110537236A CN 201880025953 A CN201880025953 A CN 201880025953A CN 110537236 A CN110537236 A CN 110537236A
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- Prior art keywords
- contact
- rated current
- contacts
- switching
- current contact
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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
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
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- 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
- H01H33/008—Pedestal mounted switch gear combinations
-
- 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
-
- 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
- H01H33/42—Driving mechanisms
-
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
- H01H33/74—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber wherein the break is in gas
-
- 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
- H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
- H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for interrupting dc
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to a kind of device (1) and method for the switching high current in the high pressure technique for pole, described device have at least one first and at least one second contact (2,3).Contact (2,3) has at least two contacts, and the contact is in the switch state of closure each other in electrical contact and/or Mechanical Contact.It is described at least one first and at least one second contact separately design the rated current contact to be connected in parallel with each other.At least two rated current contacts (2,3) being connected in parallel are connected in common shell (4).
Description
The present invention relates to a kind of devices for switching (Schalten) high current in the high pressure technique for pole
And method, described device have at least one first contact and at least one second contact.Contact has at least two contacts,
The contact is in the switch state of closure each other in electrical contact and/or Mechanical Contact.
Device for the switching high current in high pressure technique is for example as known to 0 024 252 A1 of EP.Here, high
Voltage breaker includes two contacts, that is, is respectively provided with first and second contacts of two contacts.First contact is as main switch
Site is arranged in insulation shell.Second contact is jointly arranged as the connection in series with a resistor of auxiliary switch site and with resistance
In insulation shell.Resistance is used as in switch connects resistance.If two contacts are to disconnect, closure has resistance first
The second contact, i.e. auxiliary switch site, and the first contact, i.e. main switch site disconnect.It is limited by resistance and flows through auxiliary
The electric current of switching site.
At closure main switch site, auxiliary switch site, which is bypassed, to be bypassed and electric current flows mainly through main switch site,
The main switch site is designed as rated current contact.Rated current contact is also shown that the contact is larger designed for carrying
Current strength.It is realized by auxiliary switch site by the limitation with the concatenated resistance versus current intensity in auxiliary switch site
Auxiliary switch site is designed for lesser current strength.The contact in auxiliary switch site is smaller straight thus, it is possible to use
Diameter and smaller quality is therefore used, they can more easily accelerate and therefore more rapidly compared with rated current contact
Ground switching.Similar to the high-voltage circuitbreaker with electric arc and rated current contact, in the on state, electric current mainly flows
Rated current contact is crossed, and the auxiliary switch site of connection in series with a resistor is used to reduce the electric arc in switching process.Always
The first contact, namely rated current contact are carried out in the second contact closure, namely when auxiliary switch site is closed
Switching.
Flow through the maximum current and the thus switching energy of high-voltage circuitbreaker for the device of switching high current
Power is determined basically by rated current contact.In the state of connection, the second contact, the i.e. auxiliary switch site with resistance
It is bypassed by the first contact, i.e. rated current contact bypass.The raising of the maximum current of high-voltage circuitbreaker and maximum switchable voltage
Substantially limited by the designability for rated current contact.
Technical problem to be solved by the present invention lies in provide a kind of for the switching high current in high pressure technique
Device and method.The technical problems to be solved by the invention in particular, in that, cut relative to being known from the state of the art for switching
The device changed simply and inexpensively improves maximum current and/or maximum switchable voltage.
The technical problem is by the present invention by having according to feature described in claim 1 in the high pressure skill for being directed to pole
The device of switching high current in art, with according to feature described in claim 12 for the device of switching and/or
By according to claim 13 for especially switching to be straight in high pressure technique using aforementioned device
The method of galvanic electricity stream and/or alternating current solves.Dress according to the invention for the switching high current in high pressure technique
Set and/or for especially using aforementioned device in high pressure technique switching DC current and/or alternating current
The expedients scheme of the method for stream provides in the dependent claims.Here, the technical solution of independent claims is to each other
Can be combined with each other and the technical solution of independent claims can with the feature of dependent claims be combined with each other and from
The feature for belonging to claim can be combined with each other to each other.
Device according to the invention for the switching high current in the high pressure technique for pole includes at least one
First contact and at least one second contact, wherein contact has at least two contacts.The contact of contact is opened closure
In off status (or being switching state) each other in electrical contact and/or Mechanical Contact.It is described at least one first and extremely
Few second contact separately designs the rated current contact to be connected in parallel with each other.Rated current contact means the contact
It is designed as the contact with higher current carrying capacity, particularly for the short circuit current being greater than within the scope of 1 to 100kA, for opening
Powered-down pressure is then no more than 1200kV.
By at least two contacts being connected in parallel be designed as rated current contact can compared with the existing technology in be used for
The known devices of switching improve maximum possible electric current, in the known devices, for each pole only use one it is specified
Electric current contact and electric arc or the auxiliary switch site for using connection in series with a resistor, and the electric arc or auxiliary switch site
Only there is lesser current carrying capacity.The device according to the invention is particularly intended for switching DC current.
Rated current contact can be switched with such sequence of switches, i.e., touch in the first rated current of switching
The second rated current contact is to disconnect when head.This, which can be realized, is simply designed as at least one the second rated current contact
Without the blow-out nozzle for extinguishing electric arc and/or do not have arc contacts part.It is possible thereby to simply and inexpensively
It is configured to the device of switching, and can be realized with less power consumption and cut with higher switching speed
It changes.
At least one first contact and at least one second contact can be arranged in common shell.Common shell section
Cost-saving, weight and form compact structure.
In the state of connection, it can be equivalent to by the electric current of the second rated current contact and be touched by the first rated current
The 20 to 90% of the electric current of head, especially at least 40%.Thus the higher current carrying capacity of device is realized on the whole,
In, blow-out nozzle and arc contact can be cancelled particularly with the second contact.
In at least one first rated current contact of switching, at least one second rated current contact can be always
In switch state in disconnection, have the advantages that aforementioned.
The shell may include insulator, especially in the external striped of protrusion in other words with ribbing by silicone (poly- silicon oxygen
Alkane) and/or ceramics and/or composite material made of insulator.Insulator with ribbing is with higher on the outside to climb power path simultaneously
And form good electrical insulating property.Silicone and ceramics can it is low in cost, simply manufacture and there is good electrical insulator
Performance.
Described device can be pillar T shape and including common electrical isolation, and especially having movably to be arranged in
The inside of pillar and/or the switch lever being especially kinematically connected with common driver.Here, the device of T shape can wrap
Include two insulators arrange in opposite direction with being substantially perpendicular to pillar, especially tubulose.The corresponding of insulator is indulged
Axis can be arranged substantially on common axis and each insulator can respectively include the touching of at least two rated current
Head.Therefore at least two pairs rated current contacts being connected in parallel are formed, wherein two pairs of rated current contacts can be in series
It connects with following one another.Relative to identical individual rated current contact is constructed, rated current contact is connected in parallel raising
The series connection of the current carrying capacity and rated current contact of device improves the switchable voltage of device.Form institute
State the structure low in cost and simple of device, current carrying capacity with higher and higher switching voltage or disconnected
Higher compressive resistance is realized in the switch state opened.
The rated current contact kinematically can mutually be coupled by least one transmission mechanism, to convert and
Transmitting switch movement, particularly by corresponding second volume of switching in the case where the first rated current contact attached disconnects
Constant current contact is realized.Transmission mechanism the connection campaign provided by common driver can be transferred to it is described at least one the
One rated current contact is especially lingeringly transferred at least one described second rated current contact or in the time in time
On be simultaneously transferred to all rated current contacts.Transmission mechanism can pass the cutting campaign provided by common driver
It is handed at least one described second rated current contact, is especially lingeringly transferred to that described at least one is first specified in time
Electric current contact is simultaneously transferred to all rated current contacts in time.The use of transmission mechanism, which realizes, to be used
Different switching sequences is transmitted by definition with aforementioned advantages in the case where the common driver of only one, it is thus achieved that described
The simple and low-cost structure of device.Also main drive gear and auxiliary drive gear can be used, they especially distinguish cloth
It sets between the rated current contact being connected in series at two, for lingeringly or being forthwith transferred to switching movement
The rated current contact being connected in parallel is to upper.It is thus achieved that compact, simple and low-cost switching device.
Described device can be designed for switching DC voltage and/or alternating voltage, especially no more than 1200kV.
At least one, especially all rated current contacts can be configured at least one arc contact, and/or at least
One, especially all rated current contacts can be configured at least one blow-out nozzle.Therefore, all contacts can have
There are blow-out nozzle and/or arc contact, thus, it is possible to realize very high switchable power or very high changeable electricity
Stream and/or voltage, while the electric arc formed on any contact can be extinguished.Alternatively, or a pair of of rated current touching
Head configuration blow-out nozzle and/or arc contact, and another pair rated current contact is designed as not having the blow-out nozzle attached
And/or without the arc contact attached.It can be especially in switch that is identical or improving by thus simplified apparatus structure
Mobile quality is needed when reducing cost and switching in switch speed.The device for switching may include four
A rated current contact, two the first rated current contacts include blow-out nozzle on corresponding rated current contact, and two
A second rated current contact is designed as not having blow-out nozzle.
The rated current contact can be made of the contact of two contacts, especially two hollow cylindricals respectively,
The contact has the diameter of 50 to 200mm, especially 80 to 150mm.The contact can be by the good gold of conductibility
Belong to, especially copper, aluminium or steel is constituted.The contact surface of contact is silver-plated and/or includes carbon.Thus it enables that higher electric current with
Low-loss, namely with lesser resistance flows through described device on contact in on-state.Thus simple and at low cost
Higher current carrying capacity is ensured while honest and clean apparatus structure.
The apparatus may include in the switchgear of three poles, the switchgear especially for it is each it is great have it is aforementioned
Device.The switchgear of three poles can for it is each it is great have the advantages that device above-mentioned and before for it is each extremely described in.
It is according to the invention for particularly with the use of device above-mentioned in high pressure technique switching DC current and/
Or the method for alternating current includes, at least two rated current contacts being connected in parallel are connected in common shell.
At least one first rated current contact can be connected before at least one second rated current contact.At least one
A first rated current contact can be cut off after at least one second rated current contact.
Alternatively, at least one first rated current contact can be also turned on at least one the second rated current contact
And/or at least one first rated current contact can be cut off simultaneously at least one the second rated current contact.
Connection before two the second rated current contacts are connected or with two the second rated current contacts simultaneously,
By two the first rated current contacts especially while ground connect, and/or after the cutting of two the second rated current contacts or
The cutting of person and two the second rated current contacts simultaneously, by two the first rated current contacts especially while ground is cut off, especially
It has a first rated current contact and a second rated current contact to be in common shell respectively.
In the state of connection, electric current can flow only through rated current contact.
It is according to claim 13 it is according to the invention for particularly with the use of device above-mentioned in high pressure technique
The advantages of method of middle switching DC current and/or alternating current, is similar to according to claim 1 according to this hair
It is bright for the aforementioned advantages of the device of switching high current in the high pressure technique for pole and vice versa.
Schematically show the embodiment of the present invention in figs. 1 to 3 below and described in detail below.In attached drawing
In:
Fig. 1 is schematically illustrated with the section view for a pole and according to the invention is cut for switching in high pressure technique
The device 1 of high current is changed from situation when unilateral observation, and
Fig. 2 schematically shows situation of the device 1 in Fig. 1 from the unilateral observation with Fig. 1 viewing angles-both vertical in the cross-section,
And
Fig. 3 is schematically shown in section view the situation of device 1 when looking down in Fig. 1.
It is schematically shown in section view in Fig. 1 according to the invention for the switching high current in high pressure technique
Device 1.Device in Fig. 1 is designed for the switching for a pole, such as especially uses three in the design of three poles
The device according to the invention 1 being arranged side by side.The section plane of Fig. 1 prolongs along the height of device 1 and perpendicular to connection line
Device 1 is extended through, the connection line is for the sake of simplicity without being shown in the accompanying drawings.Device 1 is arranged on bearing support 5,
The bearing support such as form is vertical T shape or double-T steelframe.
It is fixed with steering gear 7 in the upper end of bearing support 5, the steering gear, which has, especially to be installed
Driver 6 in side.The driver 6 is for example designed as the form of motor and/or spring-type drive.When switching
Driving energy or driving movement provided by driver 6 and switch contact be transferred to by kinetic chain 13.Kinetic chain
13 especially include steering gear 7, switch lever 11 and driving head 8.
Switch lever 11 arranges along the longitudinal axis of pillar 10 in inside and movably supports that the form of the pillar is especially
For the insulator with ribbing being made of ceramics, composite material and/or silicone.Pillar 10 is arranged on steering gear 7, pillar
Longitudinal axis is conllinear with the longitudinal axis of bearing support 5.Driving head 8 is disposed in the upper end of pillar.
In Fig. 2 with from perpendicular to Fig. 1 side view extend side cross-sectional view schematically show Fig. 1 according to this
The device 1 of invention.Described device 1 is designed as T shape, the insulation shell 4 designed with striply, especially with ribbing, described
Insulation shell is arranged in two reverse sides of pillar 10, is vertically fixed on transmission from pillar 10 with deriving as arm
On first 8.Two insulation shells 4 respectively include the first rated current contact 2 as shown in Figure 3 in common shell in inside with
And the second rated current contact 3 as shown in Figures 2 and 3.By respectively concurrently arranging two rated current contacts 2,3, mention
It is high a time point in the case where not damaging device 1 the maximum total current that can flow through device 1.The electric current of device 1 is held
Loading capability improves.
Driver 6 provided in 1 switching of device for disconnect or be closed contact 2,3, namely for driving institute
Kinetic energy needed for stating the moveable contact of contact 2,3.The kinetic energy is transferred to contact 2,3 by kinetic chain 13.For example, dynamic
Switch lever 11 can be transferred to from driver 6, especially spring-type drive by steering gear 7.Kinetic energy is from switch lever
11 are transferred to driving head 8 and especially directly export to the first and second rated current contacts 2,3.Auxiliary drive gear 9 is such as
May include as shown in Figure 3 in the first and second rated current contacts 2,3, so as to for example in time and numerically and/or
The different moveable contacts of rated current contact 2 are driven in the direction of the force, it is especially special with same or different movement
Property.Driving head 8 and/or auxiliary drive gear 9 designed for control or adjust the switching of the first rated current contact 2 with
Time difference between the switching of second rated current contact 3.
In one embodiment, it is closed the first rated current contact 2 first when connecting, is closed the second rated current later
Contact 3.In cutting, the second rated current contact 3 is disconnected first, disconnects the first rated current contact 2 later.Therefore,
When one rated current 2 switching of contact, the second rated current contact 3 is always in the state of disconnection.In the second specified electricity
When flowing 3 switching of contact, the first rated current contact 2 is always in the state of closure.Thus in the second volume of switching
During constant current contact 3, electric current can flow through the first rated current contact 2 being connected in parallel.Thus it is specified that second need not be carried out
Arc extinction at electric current contact 3 and the extinguishing means for the second rated current contact 3 can be saved, for example extinguish nozzle
And/or arc contacts part.The electric arc occurred in switching high current can be off at the first rated current contact 2.
For this purpose, extinguishing means can be arranged at the first rated current contact 2, such as extinguish nozzle and/or arc contacts part.
The structure that the second rated current contact 3 is simplified in aforementioned device 1 reduces its quality and therefore in device
Need less driving while 1 higher current carrying capacity compared with the device being known from the state of the art in switching
Energy.The driver and element of kinetic chain 13 can be designed smaller, this is relative to rated current contact 2,3 and institute
Some rated current contacts 2,3 save cost for all having the device of electric-arc distinguishing device.
In alternative embodiment, the first and second rated current contacts 2,3 are closed at and/or are cutting off when connecting
When simultaneously switch off.By concurrently the first and second rated current of switching contact 2,3, reduce through rated current contact
Electric current and therefore inhibit arcing.It is possible thereby to cancel extinguishing means.Particularly with very high to be switched electric current
Intensity can alternatively use extinguishing means at rated current contact 2 and/or 3, especially all rated current contacts 2.
Schematically shown in the cross-sectional view along rated current contact 2,3 in Fig. 3 with top view Fig. 1 according to this
The device 1 of invention.Rated current contact 2,3 is arranged in insulation shell 4.In the embodiment of the present invention shown in the accompanying drawings,
The company that two the first rated current contacts 2 are electrically connected and are connected to two for external current conductor with following one another in series
Between contact head 12.The first rated current contact 2 being connected in series with two concurrently, go here and there by two the second rated current contacts 3
It is electrically connected with following one another to connection.Circuit is only schematically shown.Electric lead in the device according to the invention 1 can insulate
Extend in shell 4 and transmission mechanism 8,9, the ground that is especially electrically insulated extends inside insulator along opposite direction and/or specified
Electric current contact 2,3 can be electrically connected to each other in insulation shell 4 and transmission mechanism 8,9 up and down.
In the accompanying drawings for clarity reasons without being shown, electricity can be set in the end of insulation shell 4 respectively
Connector 12 is similar to the rated current of circuit connection shown in the drawings by the electric connection in the external realization of insulation shell 4
The circuit connection of contact 2,3.Other circuit connections are also feasible, such as by each first and second rated current contacts
2, the first and second rated current contacts 2,3 that 3 parallel circuit connection is connected in parallel with another group are connected in series.For circuit
The electric lead of connection can be directed through transmission mechanism 8,9 and perhaps pass through transmission mechanism shell or respectively in connection contact 12
Between be arranged in hull outside.
In the embodiment of the device according to the invention 1 shown in the drawings, two are respectively disposed in an insulation shell 4
A rated current contact 2,3 being connected in parallel, i.e. the first and second rated current contacts 2,3, especially spatially concurrently cloth
It sets.Be respectively provided with two rated current contacts being connected in parallel 2,3 two insulation shells 4 follow one another in series particularly along
Common longitudinal axis arrangement.Two the first rated current contact 2 series connections and two in different insulation shells 4
A the second rated current contact 3 in different insulation shells 4 is connected in series.
Two insulation shells 4 of rated current contact 2,3 follow one another ground there are two having in each insulation shell 4 respectively
Arrangement, by transmission mechanism 8,9, connect particularly by driving head 8.Rated current contact 2,3 and/or insulation shell 4 are with them
Longitudinal axis lie substantially in a plane, the plane is for example parallel to ground arrangement, and bearing support 5 is erected at describedly
On base.The T-shape of device 1 is formed by structure of hanging down in T-shape comprising bearing support 5, with the drive for being fixed on side
Steering gear 7, pillar 10 and the driving head 8 of dynamic device 6.The horizontal structure of T-shape is formed by two insulation shells 4, often
There are two rated current contacts 2,3 for a tool of insulation shell 4, wherein insulation shell 4 passes through driving head 8 and another insulation shell 4
Connection.
Insulation shell 4 shown in the examples in the drawings is designed as tubulose.Outer surface can be with ribbing, this is in attached drawing
In in order to simplify without showing.Rib extends the path along the longitudinal axis of insulation shell 4 and therefore extends connector 12
Between climb power path.
All rated current contacts 2,3 can have at least one and extinguish nozzle and/or at least one arc contact.It is standby
All rated current contacts 2,3 can also be designed as not having and extinguish nozzle and/or arc contact by selection of land.Such as it can also
Extinguish nozzle and/or arc contact so that the first rated current contact 2 to be designed as having, and the second rated current can be touched
First 3 are designed as not having extinguishing nozzle and/or arc contact.The current carrying part of different rated current contacts 2,3 can design
With different water conservancy diversion cross sections and/or in the state of disconnection, different rated current contacts 2,3 can have it is different
The distance between contact.Rated current contact 2,3 can also construct in the same manner.
Transmission can be passed through to the control and adjusting of the different switching times of the first and second rated current contacts 2,3
Mechanism 8,9 realizes.Especially auxiliary drive gear 9 can act on so that the second rated current contact 3 is relative to the first specified electricity
Stream contact 2 is connected later in time and is cut off earlier.It alternately or supplements, driving head and/or each individual volume
The gear unit of constant current contact or moveable contact can act on so that the second rated current contact 3 is relative to the first volume
Constant current contact 2 is connected later and is cut off earlier.It is identical in the switching time of all rated current contacts 2,3
In the case where, driving head 8 and/or auxiliary drive gear 9 can produce the synchronism of all contacts 2,3.Alternately or supplement,
The control or adjusting of the same or different switching time of first and second rated current contacts 2,3 can be passed through
The position at open circuit interval (or being switching pathway) and/or length are realized.
Embodiment above-mentioned can be combined with each other and/or combine with the prior art.It may be thus possible, for example, to be opened using multiple
Close bar 11, such as a switch lever and a switch lever 11 for auxiliary drive gear 9 for driving head 8.Each contact
2,3 it can be configured with a switch lever 11, or a pair of first and second rated current contacts 2,3 can be each configured with one
A switch lever 11.Also it may include multiple contacts to 2,3 and/or can be connected in parallel and/or be connected in series respectively more than two
Rated current contact 2,3.Device 1 can be T shape or other shapes, such as backward L-shaped or I shape.First and/or second volume
Constant current contact 2,3 can have the extinguishing means for extinguishing electric arc, and can be configured with same or different example
It is such as directed to the pipe diameter of contact, to realize different current carrying capacities, and/or may include vacuum tube as rated current
Contact.It can be set common driver 6 and/or steering gear 7 and/or pillar 10 and/or switch lever 11, or can be with
Multiple drivers are set, such as a driver and each second rated current contact is arranged in each first rated current contact
Other elements of one driver and kinetic chain are set.Or a driver is arranged in each rated current contact,
Independent kinetic chain is arranged in particular each rated current contact.
Shell, especially insulation shell 4 can use switching gas or insulating gas filling, especially SF6Or it is dry
Air.
Bearing support 5 can be designed as the form of T shape bracket or double-T bracket.Also can be used it is other especially by
Bearing support 5 made of steel or aluminium.Insulation shell and/or pillar can be designed as tubulose, especially external with ribbing, such as by
Silicone, composite material and/or ceramics are made.Insulation shell and/or pillar also can have other shapes, for example, taper or
It is spherical.Auxiliary drive gear 9 can be arranged in driving head 8 such as be arranged in 8 side of driving head.Alternatively, auxiliary passes
Motivation structure 9 can also for example be arranged in 8 either above or below of driving head.Driving head 8 may be designed in without accessory drive
Mechanism 9 only has a transmission mechanism.The device according to the invention can be designed for a pole, can extremely incite somebody to action for multiple
More than one device is especially arranged in parallel to each other.It, can will be more than one for the higher electric current of switching and/or voltage
The device according to the invention is arranged with especially following one another.
List of numerals
1 is used for the device of switching high current
2 first rated current contacts
3 second rated current contacts
4 insulation shells
5 bearing supports
6 drivers
7 steering gears
8 driving heads
9 auxiliary drive gears
10 pillars
11 switch levers
12 connection contacts
13 kinetic chains
Claims (17)
1. a kind of device (1) for the switching high current in the high pressure technique for pole, described device have at least one
A first and at least one second contact (2,3), wherein contact (2,3) has at least two contacts, and the contact is closing
In the switch state of conjunction each other in electrical contact and/or Mechanical Contact, which is characterized in that it is described at least one first and extremely
Few second contact (2,3) is the rated current contact being connected in parallel with each other respectively.
2. device (1) according to claim 1, which is characterized in that at least one first contact (2) and at least one second touching
Head (3) is arranged in common shell (4).
3. device (1) as described in one of preceding claims, which is characterized in that specified by second in the state of connection
The electric current of electric current contact (3) is equivalent to 20 to 90% of the electric current by the first rated current contact (2), especially at least
40%.
4. device (1) as described in one of preceding claims, which is characterized in that at least one first specified electricity of switching
When flowing contact (2), at least one second rated current contact (3) is always in the switch state of disconnection.
5. device (1) as described in one of preceding claims, which is characterized in that the shell (4) includes insulator, especially
In the external insulator with ribbing made of silicone and/or ceramics and/or composite material.
6. device (1) as described in one of preceding claims, which is characterized in that described device (1) be T shape and including altogether
With, electrical isolation pillar (10), especially have can movably be arranged in pillar (10) inside and/or especially with common drive
The switch lever (11) that dynamic device (6) are kinematically connected, and wherein, the device (1) of T shape includes two and is substantially perpendicular to branch
Insulator (4) arrange in opposite direction to column (10), especially tubulose, wherein the especially respective longitudinal axis of insulator
Line is arranged substantially on common axis and each insulator respectively includes at least two rated current contacts (2,3).
7. device (1) as described in one of preceding claims, which is characterized in that the rated current contact (2,3) is by extremely
A few transmission mechanism (8,9) kinematically mutually coupling, to convert and transmit switch movement, particularly by attaching
The corresponding first rated current contact (3) of switching is realized in the case that second rated current contact (2) disconnects.
8. device (1) as described in one of preceding claims, which is characterized in that described device (1) is designed for switching
DC voltage and/or alternating voltage, especially no more than 1200kV.
9. device (1) as described in one of preceding claims, which is characterized in that at least one, especially all specified electricity
Flow contact (2,3) configured at least one arc contact and/or at least one, especially all rated current contacts (2,3)
Configured at least one blow-out nozzle.
10. by the device (1) described in one of claim 1 to 8, which is characterized in that including four rated current contacts (2,3),
Two the first rated current contacts (2) include blow-out nozzle on corresponding rated current contact (2), and two second specified
Electric current contact (3) is designed as not having blow-out nozzle.
11. device (1) as described in one of preceding claims, which is characterized in that the rated current contact (2,3) respectively by
The contact composition of two contacts, especially two hollow cylindricals, the contact have 50 to 200mm, especially 80 to
The diameter and/or contact of 150mm is made of the good metal of conductibility, especially copper, aluminium or steel and/or contact
Contact surface is silver-plated and/or includes carbon.
12. device (1) as described in one of preceding claims, which is characterized in that described device (1) includes the switch in three poles
In equipment, the switchgear great has device as described in one of preceding claims (1) especially for each.
13. one kind is used for particularly with the use of device as described in one of preceding claims (1), switchs and cut in high pressure technique
The method for changing DC current and/or alternating current, which is characterized in that at least two rated current contacts (2,3) being connected in parallel
It is connected in common shell (4).
14. method according to claim 13, which is characterized in that at least one first rated current contact (2) is at least one
It is connected before a second rated current contact (3) and/or at least one first rated current contact (2) is at least one the second volume
It is cut off after constant current contact (3).
15. method according to claim 13, which is characterized in that at least one first rated current contact (2) and at least one
A second rated current contact (3) is also turned on and/or at least one first rated current contact (2) and at least one second volume
Constant current contact (3) is cut off simultaneously.
16. method according to claim 13, which is characterized in that before the connection of two the second rated current contacts (3)
Or simultaneously with the connections of two the second rated current contacts (3), by two the first rated current contacts (2) especially while ground
Connect, and/or after the cutting of two the second rated current contacts (3) or with two the second rated current contacts (3)
Cutting simultaneously, by two the first rated current contacts (2) especially while ground is cut off, especially there is first rated current respectively
Contact (2) and a second rated current contact (3) are in common shell (4).
17. by method described in one of claim 12 to 16, which is characterized in that in the state of connection, electric current flows only through volume
Constant current contact (2,3).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017206746.2 | 2017-04-21 | ||
| DE102017206746.2A DE102017206746A1 (en) | 2017-04-21 | 2017-04-21 | Arrangement and method for parallel switching of high currents in high voltage engineering |
| PCT/EP2018/057699 WO2018192751A1 (en) | 2017-04-21 | 2018-03-27 | Arrangement and method for parallel switching of high currents in high-voltage technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110537236A true CN110537236A (en) | 2019-12-03 |
| CN110537236B CN110537236B (en) | 2022-05-13 |
Family
ID=61952643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880025953.XA Active CN110537236B (en) | 2017-04-21 | 2018-03-27 | Device and method for switching high currents in parallel in high-voltage technology |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3586347B1 (en) |
| CN (1) | CN110537236B (en) |
| BR (1) | BR112019020546B1 (en) |
| DE (1) | DE102017206746A1 (en) |
| WO (1) | WO2018192751A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| BR112019020546B1 (en) | 2024-03-05 |
| CN110537236B (en) | 2022-05-13 |
| WO2018192751A1 (en) | 2018-10-25 |
| EP3586347B1 (en) | 2022-05-04 |
| EP3586347A1 (en) | 2020-01-01 |
| BR112019020546A2 (en) | 2020-04-28 |
| DE102017206746A1 (en) | 2018-10-25 |
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