CN106935426A - A kind of and supporting polar selecting switch of load ratio bridging switch - Google Patents
A kind of and supporting polar selecting switch of load ratio bridging switch Download PDFInfo
- Publication number
- CN106935426A CN106935426A CN201710184536.7A CN201710184536A CN106935426A CN 106935426 A CN106935426 A CN 106935426A CN 201710184536 A CN201710184536 A CN 201710184536A CN 106935426 A CN106935426 A CN 106935426A
- Authority
- CN
- China
- Prior art keywords
- static contact
- contact
- static
- switch
- winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0016—Contact arrangements for tap changers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Keying Circuit Devices (AREA)
Abstract
The invention discloses a kind of and supporting polarity reversing switch of load ratio bridging switch, the first static contact, the second static contact, the 3rd static contact, the 4th static contact, the 5th static contact are spacedly distributed along the circumference of insulating supporting disk successively；First moving contact, the second moving contact are sequentially distributed in the circumference along insulation rotating disk；The insulation rotating disk is the same center of circle with insulating supporting disk, and the moving contact on insulation rotating disk can be in contact by rotating with the first static contact on insulating supporting disk, the second static contact, the 3rd static contact, the 4th static contact, the 5th static contact；Independent polarity reversing switch designed by the present invention has two positions, and a correspondence positive polarity, a correspondence negative polarity increased the operating position number of transformer, pressure regulator, and increase the scope of pressure regulation series；The polarity reversing switch of present invention design carries out dipole inversion under equipotential, and does not cut off electric current during conversion.
Description
Technical field
The invention belongs to transformer technology field, used cooperatively with on-load tap changers of transformers, it is more particularly to a kind of with
The supporting polarity reversing switch of load ratio bridging switch.
Background technology
In below 35KV power transformers and pressure regulator, the oil blast and vacuum extinction load ratio bridging switch for using, greatly
Part without polarity selector, the quantity of tap is the tapping gear number of transformer and pressure regulator in shunting switch, by point
Connecing the influence of switch fixed position number causes the operating position number of transformer, pressure regulator to be limited, so as to limit regulation precision.
The content of the invention
For above-mentioned the deficiencies in the prior art, the present invention provides a kind of suitable for oil-filled transformer and pressure regulation
Device, uses cooperatively with no polarity selector load ratio bridging switch, independent polarity reversing switch.
A kind of supporting polarity reversing switch of load ratio bridging switch, insulation rotating disk, insulating supporting disk, rotating shaft；The insulation
Rotating disk is the same center of circle with insulating supporting disk, and the insulation rotating disk is arranged on the top of insulating supporting disk by rotating shaft, described exhausted
At least 1 moving contact group is set, and the moving contact group includes 2 moving contacts, 2 moving contacts are respectively the on edge rotating disk
One moving contact and the second moving contact；At least 1 static contact group is set on the insulating supporting disk, and the static contact group includes 5
Individual static contact, 5 static contacts are respectively the first static contact, the second static contact, the 3rd static contact, the 4th static contact, the 5th
Static contact；
First static contact, the second static contact, the 3rd static contact, the 4th static contact, the 5th static contact are successively along insulation
The circumference of support plate is spacedly distributed；First moving contact, the second moving contact divide at equal intervals along the circumference of insulation rotating disk successively
Cloth；And
The first moving contact on insulation rotating disk can be with the first static contact on insulating supporting disk, the second stationary contact by rotating
Head, the 3rd static contact are in contact；The second moving contact on insulation rotating disk can be quiet with the 3rd on insulating supporting disk by rotating
Contact, the 4th static contact, the 5th static contact are in contact.
Further, it is described to there is winding to include main winding and tap winding also including load ratio bridging switch and winding, tap
Multiple taps are provided with winding, the load ratio bridging switch includes the 1st grade of shunting switch, shunting switch maximum and tap
Moving contact.
Further, it is described to there is winding to include public winding and tap winding also including load ratio bridging switch and winding, point
Connect and be provided with winding multiple taps, the load ratio bridging switch includes the 1st grade of shunting switch, shunting switch maximum and divides
Connect moving contact.
Further, the polarity shift device is connected including positive polarity position and negative polarity position with load ratio bridging switch；
During positive polarity position, the first static contact is connected by the first moving contact with the second static contact, first stationary contact
Head is connected with one end of main winding, and second static contact is connected with the 1st grade of the shunting switch of load ratio bridging switch；It is described
3rd static contact is connected by the second moving contact with the 4th static contact, and the 4th static contact divides with load ratio bridging switch 18
Moving contact is connect to be connected；The electric current pass sequentially through main winding, the first static contact, the first moving contact, the second static contact, tap around
Group, the 4th static contact, the second moving contact, the 3rd static contact form current channel during first position；
During negative polarity position, the 4th static contact is connected by the second moving contact with the 5th static contact, the 4th stationary contact
Head is connected with the tap moving contact of load ratio bridging switch, the 5th static contact and the first static contact short circuit, and the 5th
Static contact is connected with one end of main winding；Second static contact is connected by the first moving contact with the 3rd static contact, and second is quiet
Contact is connected with the 1st grade of the shunting switch of load ratio bridging switch；The electric current passes sequentially through main winding, the first static contact,
Five static contacts, the second moving contact, the 4th static contact, tap winding, the second static contact, the first moving contact, the 3rd static contact are formed
The current channel during second place.
Further, the positive polarity position can also be：
First static contact is connected by the first moving contact with the second static contact, the first static contact and load ratio bridging switch
Tap moving contact is connected；3rd static contact is connected by the second moving contact with the 4th static contact, the 3rd static contact with have load
The shunting switch maximum of shunting switch is connected, and the 4th static contact is connected with one end of public winding, described public
Another termination neutral point of winding；The electric current pass sequentially through the second static contact, the first moving contact, the first static contact, tap around
Electric current when group, the 3rd static contact, the second moving contact, the 4th static contact, public winding and Winding tap form first position leads to
Road；
The negative polarity position can also be：
4th static contact is connected by the second moving contact with the 5th static contact, one end of the 4th static contact and public winding
It is connected, another termination neutral point of the public winding, the 5th static contact and the first static contact short circuit, the first static contact
It is connected with the tap moving contact of load ratio bridging switch；Second static contact is connected by the first moving contact with the 3rd static contact,
The shunting switch maximum of the 3rd static contact load ratio bridging switch；The electric current pass sequentially through the second static contact, the first moving contact,
3rd static contact, tap winding, the first static contact, the 5th static contact, the second moving contact, the 4th static contact, public winding and around
Current channel when group lifts one's head to form the second place.
Further, motor drive mechanism and bridge joint small contact are provided with the insulation rotating disk, are set on the insulating supporting disk
It is equipped with position contact.
Further, first moving contact and the second moving contact include two bridge contacts, the bridge contacts respectively
Length can only connect adjacent two static contact；The total length of described two bridge contacts can connect three adjacent static contacts.
Further, it is described insulation rotating disk on be provided with 3 moving contact groups, be provided with the insulating supporting disk 3 it is quiet
Sets of contacts.
Compared with prior art, the present invention has following technique effect：
Independent polarity reversing switch designed by the present invention has two positions, a correspondence positive polarity, a correspondence negative pole
Property, the operating position number for selecting transformer after converter, pressure regulator using the polarity is changed into+1 (n of 2 × (n-1) from original n
It is load ratio bridging switch operating position number), pressure regulation series is ± 2 × (n-1), increased the operating position of transformer, pressure regulator
Number, and increase the scope of pressure regulation series；The polarity reversing switch of present invention design carries out dipole inversion under equipotential, and
And do not cut off electric current during conversion.
Brief description of the drawings
Fig. 1 is the structural representation of polarity reversing switch of the invention；
Fig. 2 is the side view of polarity reversing switch of the invention；
The electronic allocating slot mechanism structure schematic diagrames of Fig. 3；
The electronic allocating slot mechanism overlooking the structure diagrams of Fig. 4；
Fig. 5 polarity reversing switch positive polarity transformer principle schematic diagrames；
Fig. 6 polarity reversing switch reversed polarity transformer principle schematic diagrames；
Fig. 7 polarity reversing switch positive polarity automatic coupling voltage regulator principle schematics；
Fig. 8 polarity reversing switch reversed polarity automatic coupling voltage regulator principle schematics；
Fig. 9 moving contact group structural representations.
Label is represented as in figure：1-insulation rotating disk；2-insulating supporting disk；3-the first moving contact；4-the second moving contact；
5-the first static contact；6-the second static contact；7-the three static contact；8-the four stationary contact；9-the five static contact；10-bridge joint
Small contact；11-position contact；12-motor drive mechanism；13-slot poking ware；14-AC gear motor；15-installing plate；16—
Slotted disk；17-slotted disk positions circular arc；18-load ratio bridging switch；The 1st grade of 19-shunting switch；20-winding；21-tap around
Group；22-polarity reversing switch；23-shunting switch maximum；24-bridge contacts；25-tap moving contact；26-winding goes out
Head；27-main winding；28-public winding.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawings and detailed description.
Polarity reversing switch disclosed by the invention, it is adaptable to oil-filled transformer and pressure regulator, opens with no dipole inversion
What the load ratio bridging switch of pass was used cooperatively, independent polarity reversing switch, two positions of the polarity reversing switch, a correspondence
Positive polarity, a correspondence negative polarity, four terminals of the polarity reversing switch are divided into two groups every group two.One of the invention
During position, one group of two terminals are in another group of two terminals and correspond conducting state；During another position,
One group of two terminals exchange corresponding relation with another group of two terminals, and conducting state is answered in cross-pair one by one.
Using the transformer of polarity reversing switch of the invention, pressure regulator, load ratio bridging switch conventional products may be selected not
Any change need to be done.Operating position number is 2 × (n-1)+1 (n be load ratio bridging switch operating position number), pressure regulation series for ±
2×(n-1).When two positions are changed, four terminals are under equipotential.And do not cut off electric current during two positions conversions.
Embodiment 1
A kind of supporting polarity reversing switch of load ratio bridging switch is present embodiments provided, as shown in figure 1, turning including insulation
Disk 1, insulating supporting disk 2, rotating shaft；The insulation rotating disk 1 is the same center of circle with insulating supporting disk 2, and the insulation rotating disk 1 is by turning
Axle is arranged on the top of insulating supporting disk 2, and at least 1 moving contact group, the moving contact group bag are set on the insulation rotating disk 1
2 moving contacts are included, 2 moving contacts are respectively the first moving contact 3 and the second moving contact 4；Set on the insulating supporting disk 2
At least 1 static contact group, the static contact group includes 5 static contacts, and 5 static contacts are respectively the first static contact 5, the
Two static contacts 6, the 3rd static contact 7, the 4th static contact 8, the 5th static contact 9；
First static contact 5, the second static contact 6, the 3rd static contact 7, the 4th static contact 8, the 5th static contact 9 edge successively
The circumference of insulating supporting disk 2 is spacedly distributed；First moving contact 3, the second moving contact 4 are successively along the circumference of insulation rotating disk 1
It is spacedly distributed；
The first moving contact 3 on insulation rotating disk 1 by axis of rotation can with the first static contact 5 on insulating supporting disk,
Second static contact 6, the 3rd static contact 7 are in contact；The second moving contact 4 on insulation rotating disk 1 can be with insulation by axis of rotation
The 3rd static contact 7 in support plate, the 4th static contact 8, the 5th static contact 9 are in contact.
Motor drive mechanism 12 and bridge joint small contact 10 are provided with the insulation rotating disk 1, are provided with the insulating supporting disk 2
Position contact 11.
Motor drive mechanism 12 drives insulation rotating disk 1 to rotate by rotating shaft, moves insulation rotating disk 1 and drives the first moving contact 3, the
The opposing insulation support plate 2 of two moving contact 4 swings.Bridge joint small contact 10 is arranged on insulation rotating disk 1, and position contact 11 is positioned at absolutely
In edge support plate 2, the signal of bridge joint small contact 10 and the feedback of position contact 11 can make the first moving contact 3 and the second moving contact 4
Accurately it is parked in two polar sites.
Embodiment 2
The present embodiment also includes load ratio bridging switch 18 and winding 20 on the basis of embodiment 1, and the winding 20 includes
Main winding 27 and tap winding 21, are provided with multiple taps on tap winding 21, the load ratio bridging switch 18 includes tap
Switch the 1st grade 19, shunting switch maximum 23 and tap moving contact 25.
As shown in Figure 5 to Figure 6, tapped in the present embodiment on winding 21 and be provided with 9 taps, load ratio bridging switch 18 sets
9 gears are equipped with, are topmost the 1st grade 19 of shunting switch, 9 grades of bottom is shunting switch maximum 23.
Embodiment 3
The present embodiment also includes load ratio bridging switch 18 and winding 20 on the basis of embodiment 1, and the winding 20 includes
Public winding 28 and tap winding 21, are provided with multiple taps on tap winding 21, the load ratio bridging switch 18 includes dividing
Connect the 1st grade 19 of switch, shunting switch maximum 23 and tap moving contact 25.
Tapped as shown in Fig. 7 to Fig. 8, in the present embodiment on winding 21 and be provided with 9 taps, load ratio bridging switch 18 sets
9 gears are equipped with, are topmost the 1st grade 19 of shunting switch, 9 grades of bottom is shunting switch maximum 23.
Embodiment 4
Present embodiments provide the load ratio bridging switch phase that the polarity reversing switch of the offer of embodiment 1 is provided with embodiment 2
Connected mode, including positive polarity position and negative polarity position；
As shown in figure 5, during positive polarity position, the first static contact 5 is connected by the first moving contact 3 with the second static contact 6,
First static contact 5 is connected with one end of main winding 27, and second static contact 6 is opened with the tap of load ratio bridging switch 18
The 1st grade 19 is closed to be connected；3rd static contact 7 is connected by the second moving contact 4 with the 4th static contact 8, and the described 4th is quiet
Contact 8 is connected with the tap moving contact 25 of load ratio bridging switch 18；The electric current passes sequentially through main winding 27, the first static contact
5th, the first moving contact 3, the 1st grade 19 of the second static contact 6, shunting switch, tap winding 21, tap moving contact 25, the 4th static contact
8th, current channel during the second moving contact 4, the 3rd static contact 7 formation first position；
As shown in fig. 6, during negative polarity position, the 4th static contact 8 is connected by the second moving contact 4 with the 5th static contact 9,
4th static contact 8 is connected with the tap moving contact 25 of load ratio bridging switch 18, the 5th static contact 9 and the first stationary contact
First 5 short circuit, the 5th static contact 9 is connected with one end of main winding 27；Second static contact 6 is quiet with the 3rd by the first moving contact 3
Contact 7 is connected, and the second static contact 6 is connected for the 1st grade 19 with the shunting switch of load ratio bridging switch 18；The electric current leads to successively
Cross main winding 27, the first static contact 5, the 5th static contact 9, the second moving contact 4, the 4th static contact 8, tap moving contact 25, tap
The 1st grade of 19, second static contact 6 of winding 21, shunting switch, the first moving contact 3, the 3rd static contact 7 form the electricity during second place
Circulation road.
When the tap moving contact 25 of load ratio bridging switch 18 in Fig. 5, Fig. 6 runs to be connected for the 1st grade 19 with shunting switch,
The tap no electric current of winding 21 passes through, and is 0 tap, the first static contact 5, the second static contact 6, the 3rd static contact 7, the 4th static contact
8th, the 5th static contact 9 and the first moving contact 3, the second moving contact 4 are under same current potential.Dipole inversion needs to turn in this case
Change.
Embodiment 5
The polarity shift device for present embodiments providing the offer of embodiment 1 is another with the load ratio bridging switch that embodiment 3 is provided
A kind of connected mode.
As shown in fig. 7, the positive polarity position can also be：
First static contact 5 is connected by the first moving contact 3 with the second static contact 6, and the first static contact 5 is opened with loaded tap-off
The tap moving contact 25 for closing 18 is connected；3rd static contact 7 is connected by the second moving contact 4 with the 4th static contact 8, and the 3rd is quiet
Contact 7 is connected with the shunting switch maximum 23 of load ratio bridging switch 18, the 4th static contact 8 and the one of public winding 28
End is connected, another termination neutral point of the public winding 28；It is dynamic tactile that the electric current passes sequentially through the second static contact 6, first
First 3, first static contact 5, tap moving contact 25, tap winding 21, shunting switch maximum 23, the 3rd static contact 7, second are dynamic tactile
First 4, current channel when the 4th static contact 8, public winding 28 and Winding tap 26 formation first position；
As shown in figure 8, the negative polarity position can also be：
4th static contact 8 is connected by the second moving contact 4 with the 5th static contact 9, the 4th static contact 8 and public winding 28
One end be connected, another termination neutral point of the public winding 28, the 5th static contact 9 and the short circuit of the first static contact 5,
First static contact 5 is connected with the tap moving contact 25 of load ratio bridging switch 18；Second static contact 6 by the first moving contact 3 with
3rd static contact 7 is connected, and the 3rd static contact 7 is connected with the shunting switch maximum 23 of load ratio bridging switch 18；The electricity
Stream pass sequentially through the second static contact 6, the first moving contact 3, the 3rd static contact 7, shunting switch maximum 23, tap winding 21, point
Moving contact 25, the first static contact 5, the 5th static contact 9, the second moving contact 4, the 4th static contact 8, public winding 28 and winding is connect to go out
First 26 form the current channel during second place.
Connected with shunting switch maximum 23 when the tap moving contact 25 of load ratio bridging switch 18 in Fig. 7, Fig. 8 runs to
When, the tap no electric current of winding 21 passes through, and is 0 tap, and the first static contact 5, the second static contact 6, the 3rd static contact the 7, the 4th are quiet
Contact 8, the 5th static contact 9 and the first moving contact 3, the second moving contact 4 are under same current potential.Dipole inversion is needed in this state
Lower conversion.
Embodiment 6
The present embodiment on the basis of embodiment 1, in order to ensure moving contact change when do not cut off electric current, as shown in figure 9, institute
State the first moving contact 3 and the second moving contact 4 includes two bridge contacts 24 respectively, and the length of the bridge contacts 2 can only be connected
Adjacent two static contact；The total length of described two bridge contacts 24 can connect three adjacent static contacts.
Embodiment 7
The present embodiment is on the basis of embodiment 1, there is provided the polarity reversing switch of three-phase, is set on the insulation rotating disk 1
3 moving contact groups are equipped with, 3 static contact groups are provided with the insulating supporting disk 2.
Claims (8)
1. the supporting polarity reversing switch of a kind of load ratio bridging switch, it is characterised in that insulation rotating disk (1), insulating supporting disk
(2), rotating shaft；Insulation rotating disk (1) and insulating supporting disk (2) are the same center of circle, and the insulation rotating disk (1) is set by rotating shaft
At least 1 moving contact group is set on the top of insulating supporting disk (2), the insulation rotating disk (1), and the moving contact group includes
2 moving contacts, 2 moving contacts are respectively the first moving contact (3) and the second moving contact (4)；On the insulating supporting disk (2)
At least 1 static contact group is set, and 1 static contact group includes 5 static contacts, and 5 static contacts are respectively the first static contact
(5), the second static contact (6), the 3rd static contact (7), the 4th static contact (8), the 5th static contact (9)；
The static contact is spacedly distributed along the circumference of insulating supporting disk (2) successively；The moving contact is successively along insulation rotating disk (1)
Circumference be spacedly distributed；
Moving contact in insulation rotating disk (1) can be in contact by rotation with the static contact on insulating supporting disk (2).
2. polarity reversing switch as claimed in claim 1, it is characterised in that also including load ratio bridging switch (18) and winding
(20) it is, described to there is winding (20) to include main winding (27) and tap winding (21), it is provided with multiple taps in tap winding (21)
Head, the load ratio bridging switch (18) includes the 1st grade of shunting switch (19), shunting switch maximum (23) and tap moving contact
(25)。
3. polarity reversing switch as claimed in claim 1, it is characterised in that also including load ratio bridging switch (18) and winding
(20) it is, described to there is winding (20) to include public winding (28) and tap winding (21), multiple points are provided with tap winding (21)
Joint, the load ratio bridging switch (18) includes the 1st grade of shunting switch (19), shunting switch maximum (23) and tap moving contact
(25)。
4. polarity switch as claimed in claim 2, it is characterised in that the polarity shift device is connected with load ratio bridging switch
Including positive polarity position and negative polarity position；
During positive polarity position, the first static contact (5) is connected by the first moving contact (3) with the second static contact (6), and described first
Static contact (5) is connected with one end of main winding (27), and second static contact (6) is opened with the tap of load ratio bridging switch (18)
The 1st grade (19) are closed to be connected；3rd static contact (7) is connected by the second moving contact (4) with the 4th static contact (8), institute
The 4th static contact (8) is stated to be connected with the tap moving contact (25) of load ratio bridging switch (18)；The electric current pass sequentially through it is main around
Group (27), the first static contact (5), the first moving contact (3), the second static contact (6), tap winding (21), the 4th static contact (8),
Second moving contact (4), the 3rd static contact (7) form current channel during first position；
During negative polarity position, the 4th static contact (8) is connected by the second moving contact (4) with the 5th static contact (9), and the described 4th
Static contact (8) is connected with the tap moving contact (25) of load ratio bridging switch (18), the 5th static contact (9) and the
One static contact (5) short circuit, the 5th static contact (9) is connected with one end of main winding (27)；Second static contact (6) is dynamic by first
Contact (3) is connected with the 3rd static contact (7), the 1st grade of the shunting switch of the second static contact (6) and load ratio bridging switch (18)
(19) it is connected；The electric current passes sequentially through main winding (27), the first static contact (5), the 5th static contact (9), the second moving contact
(4), the 4th static contact (8), tap winding (21), the second static contact (6), the first moving contact (3), the 3rd static contact (7) are formed
The current channel during second place.
5. polarity switch as claimed in claim 3, it is characterised in that the positive polarity position can also be：
First static contact (5) is connected by the first moving contact (3) with the second static contact (6), and the first static contact (5) divides with there is load
The tap moving contact (25) for connecing switch 18 is connected；3rd static contact (7) is by the second moving contact (4) and the 4th static contact (8)
It is connected, the 3rd static contact (7) is connected with the shunting switch maximum (23) of load ratio bridging switch (18), the 4th stationary contact
Head (8) is connected with one end of public winding (28), another termination neutral point of the public winding (28)；The electric current is successively
By the second static contact (6), the first moving contact (3), the first static contact (5), tap winding (21), the 3rd static contact (7), second
Moving contact (4), the 4th static contact (8), public winding (28) and Winding tap (26) form current channel during first position；
The negative polarity position can also be：
4th static contact (8) is connected by the second moving contact (4) with the 5th static contact (9), the 4th static contact (8) with it is public around
One end of group (28) is connected, and another termination neutral point of the public winding (28), the 5th static contact (9) is quiet with first
Contact (5) short circuit, the first static contact (5) is connected with the tap moving contact (25) of load ratio bridging switch 18；Second static contact (6)
It is connected with the 3rd static contact (7) by the first moving contact (3), the tap of the 3rd static contact (7) load ratio bridging switch (18) is opened
Close maximum (23)；The electric current pass sequentially through the second static contact (6), the first moving contact (3), the 3rd static contact (7), tap around
Group (21), the first static contact (5), the 5th static contact (9), the second moving contact (4), the 4th static contact (8), public winding (28 and
Winding tap (26) forms the current channel during second place.
6. polarity switch as claimed in claim 1, it is characterised in that be provided with motor drive mechanism on the insulation rotating disk (1)
(12) and bridge joint small contact (10), be provided with position contact (11) on the insulating supporting disk (2).
7. polarity switch as claimed in claim 1, it is characterised in that first moving contact (3) and the second moving contact (4)
Include two bridge contacts (24) respectively, the length of the bridge contacts (2) can only connect adjacent two static contact；Described two bridges
The total length of contact head (24) can connect three adjacent static contacts.
8. polarity switch as claimed in claim 1, it is characterised in that be provided with 3 moving contacts on the insulation rotating disk (1)
Group, 3 static contact groups are provided with the insulating supporting disk (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184536.7A CN106935426B (en) | 2017-03-24 | 2017-03-24 | A kind of and mating polarity reversing switch of load ratio bridging switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184536.7A CN106935426B (en) | 2017-03-24 | 2017-03-24 | A kind of and mating polarity reversing switch of load ratio bridging switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106935426A true CN106935426A (en) | 2017-07-07 |
| CN106935426B CN106935426B (en) | 2018-09-07 |
Family
ID=59425102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710184536.7A Active CN106935426B (en) | 2017-03-24 | 2017-03-24 | A kind of and mating polarity reversing switch of load ratio bridging switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106935426B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741979A (en) * | 2018-12-27 | 2019-05-10 | 西门子变压器（武汉）有限公司 | The switching device and transformer of transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5686418A (en) * | 1979-11-23 | 1981-07-14 | Transformatoren Union Ag | Auxiliary circuit contact device assembed with drive unit for stationary inductor tap changer |
| CN201270192Y (en) * | 2008-09-25 | 2009-07-08 | 秦靓 | Non-exciting shunting switch for positive and negative voltage regulating |
| CN202258841U (en) * | 2011-09-30 | 2012-05-30 | 上海华明电力设备集团有限公司 | Vertically-arranged integrated bipolar converter |
| US20160141120A1 (en) * | 2013-07-16 | 2016-05-19 | Maschinenfabrik Reingausen GmbH | On-load tap changer, method for installing a load transfer switch insert in the on-load tap changer, and kerosene drain screw |
| CN207021165U (en) * | 2017-03-24 | 2018-02-16 | 西安森宝电气工程有限公司 | A kind of and supporting polarity reversing switch of load ratio bridging switch |
-
2017
- 2017-03-24 CN CN201710184536.7A patent/CN106935426B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5686418A (en) * | 1979-11-23 | 1981-07-14 | Transformatoren Union Ag | Auxiliary circuit contact device assembed with drive unit for stationary inductor tap changer |
| CN201270192Y (en) * | 2008-09-25 | 2009-07-08 | 秦靓 | Non-exciting shunting switch for positive and negative voltage regulating |
| CN202258841U (en) * | 2011-09-30 | 2012-05-30 | 上海华明电力设备集团有限公司 | Vertically-arranged integrated bipolar converter |
| US20160141120A1 (en) * | 2013-07-16 | 2016-05-19 | Maschinenfabrik Reingausen GmbH | On-load tap changer, method for installing a load transfer switch insert in the on-load tap changer, and kerosene drain screw |
| CN207021165U (en) * | 2017-03-24 | 2018-02-16 | 西安森宝电气工程有限公司 | A kind of and supporting polarity reversing switch of load ratio bridging switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741979A (en) * | 2018-12-27 | 2019-05-10 | 西门子变压器（武汉）有限公司 | The switching device and transformer of transformer |
| CN109741979B (en) * | 2018-12-27 | 2024-05-03 | 西门子能源变压器(武汉)有限公司 | Switching device of transformer and transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106935426B (en) | 2018-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207021165U (en) | A kind of and supporting polarity reversing switch of load ratio bridging switch | |
| US9287036B2 (en) | Supplementary transformer winding | |
| CN104465168A (en) | Transition circuit of vacuum type on-load tap-changer and operation method | |
| CN209312580U (en) | No-load changer intermediate transformer | |
| CN101354954A (en) | Load-ratio voltage transformer with angle-connecting high-voltage coil using reactance type on-load tap-changer | |
| CN106935426A (en) | A kind of and supporting polar selecting switch of load ratio bridging switch | |
| CN112908652A (en) | On-load tap-changer and control method thereof | |
| CN105513772B (en) | A kind of loaded capacity regulating voltage regulating distribution transformer | |
| CN206877857U (en) | A kind of and supporting polarity switch of load ratio bridging switch | |
| CN206849669U (en) | A kind of dry-type on-load tap changer circuit | |
| CN103268814B (en) | Transformer loaded capacity regulating voltage regulating shunting switch | |
| CN112216494A (en) | On-load tap-changer and operation control method thereof | |
| CN201956180U (en) | Large-range loaded voltage regulating transformer for test | |
| CN205508602U (en) | It holds pressure regulating distribution transformer to have to carry to transfer | |
| CN106935425B (en) | A kind of and mating polarity switch of load ratio bridging switch | |
| CN215578126U (en) | Forced shunting balance transformer | |
| CN104409203B (en) | Electrical network intelligent regulating device and its control method | |
| CN209282010U (en) | A kind of capacity and pressure regulating winding and capacitance-adjustable transformer | |
| CN208970376U (en) | The vacuum switching mechanism of dry vacuum OLTC | |
| US3246088A (en) | Opposite rotational sense actuator mechanism for tap changer contacts | |
| CN206134443U (en) | Power transformer of 10kV and 6. 6kV voltage conversion output | |
| JP2017520911A (en) | Switching device for a tapped transformer and method for operating such a switching device | |
| CN214956377U (en) | High-impedance transformer for high and medium voltage side on-load voltage regulation | |
| CN205723127U (en) | A kind of test intermediate transformer of permanent magnetic flux wide-voltage-regulation scope | |
| CN2221256Y (en) | Exciting-free shunting switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |