CN205751825U - A kind of novel transformer on-load voltage regulating switch - Google Patents
A kind of novel transformer on-load voltage regulating switch Download PDFInfo
- Publication number
- CN205751825U CN205751825U CN201520891931.5U CN201520891931U CN205751825U CN 205751825 U CN205751825 U CN 205751825U CN 201520891931 U CN201520891931 U CN 201520891931U CN 205751825 U CN205751825 U CN 205751825U
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- China
- Prior art keywords
- contact
- tap
- change operation
- circuit
- transmitter
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- 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.)
- Withdrawn - After Issue
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Abstract
This utility model relates to a kind of novel transformer on-load voltage regulating switch, including switching on-off circuit, described switching on-off circuit includes symmetrical odd number tap-change operation circuit and even numbers tap-change operation circuit, described tap-change operation circuit includes working contact, the double-contact that is made up of main contact and secondary contact synchronizes transition contact and can be with working contact, double-contact synchronizes the moving contact of transition contact contact, this utility model simple in construction, low price, reliability is high, can realize switching whole process without electric arc work and can bifurcation to work, have a wide range of applications and promotional value.
Description
Technical field
This utility model relates to a kind of transformer regulation, is specifically related to a kind of novel transformer
On-load voltage regulating switch.
Background technology
At present, the on-load voltage regulating switch majority driving Load Regulation voltage in power transformer uses
Through the form of quick current-limiting resistance bridging oil arc extinguishing, because using oil blast big to greasy dirt dye,
Maintenance workload is big, thus reliability is affected.Easily cause contact burning, often update,
And need often to filter transformer oil.At present for overcoming the problems referred to above, occur in that and go out by vacuum
The loaded switch of arc, but reliability is the highest, often causes switch blast because vacuum bubbles lost efficacy,
Jeopardizing transformer safety, relevant information uses controllable silicon, uses permutation and combination method to carry out there is load
Pressure regulation, but technology is more complicated, once controllable silicon fault, and transformator will be unable to properly functioning.
Summary of the invention
For the problems referred to above, this utility model provide a kind of switch omnidistance without electric arc and can bifurcation work
Novel transformer on-load voltage regulating switch.
For solving the problems referred to above, the technical scheme that this utility model is taked is: a kind of novel transformer has
Voltage adjustment of on-load switchs, and including switching on-off circuit, described switching on-off circuit includes symmetrical
Odd number tap-change operation circuit and even numbers tap-change operation circuit, described tap-change operation circuit
Transition contact and can is synchronized including working contact, the double-contact that is made up of main contact and secondary contact
The moving contact that transition contact contacts, described tap-change operation is synchronized with working contact, double-contact
Circuit include the working contact control circuit drawn by tap and main contact control circuit and
It is connected to the secondary contact control circuit of main contact；Described working contact control circuit is working contact
Being connected to main contact and trigger the input of transmitter, main contact triggers the outfan of transmitter and is connected to main
Contact control circuit；Described main contact control circuit is that secondary contact triggers transmitter and transition electricity
The series arm of resistance is parallel to the series arm of over-current protection device and main contact high-pressure thyristor
Two ends；Described secondary contact control circuit is that the main contact of a tap-change operation circuit is through secondary contact
High-pressure thyristor is connected to the secondary contact of an other tap-change operation circuit；Described main contact touches
Generate transmitter and provide triggering electricity for the main contact high-pressure thyristor in same tap-change operation circuit
Stream, it is that the secondary contact with same tap-change operation circuit is connected that described secondary contact triggers transmitter
Secondary contact high-pressure thyristor provide trigger current.
Preferably, described over-current protection device is for flowing quick resistance.
Preferably, described over-current protection device is fuse.
This utility model simple in construction, low price, reliability is high, can realize switching omnidistance nothing
Electric arc works and can bifurcation work, and has a wide range of applications and promotional value.
Accompanying drawing explanation
Fig. 1 is that embodiment 1 moving contact A contacts schematic diagram with working contact K1；
Fig. 2 is that embodiment 1 moving contact A contacts with working contact K1, double-contact synchronizes transition contact
K1, k1 ' contact schematic diagram；
Fig. 3 is that embodiment 1 moving contact A synchronizes transition contact k1, k1 with double-contact ' contact signal
Figure；
Fig. 4 is embodiment 1 moving contact A transition contact k1, k1 Tong Bu with double-contact ', double-contact
Synchronize transition contact k2, k2 ' contact schematic diagram；
Fig. 5 is that embodiment 1 moving contact A synchronizes transition contact k2, k2 with double-contact ' contact and show
It is intended to；
Fig. 6 is embodiment 1 moving contact A and working contact K2, double-contact Tong Bu transition contact k2,
K2 ' contacts schematic diagram；
Fig. 7 is that shown in embodiment 1, moving contact A contacts schematic diagram with working contact K2；
Wherein, A is moving contact, and K1, K2 are working contact, k1, k1 ' and k2, k2 ' it is same
Step double-contact transition contact, wherein k1, k2 are main contact；K1 ', k2 ' are secondary contact,
R1, R2 are transition resistance, and RF1, RF2 are for flowing quick resistance, and TSC1, TSC4 are that main contact touches
Sending out transmitter (the first, the 4th triggers transmitter), TSC2, TSC3 are that secondary contact triggers pick-up
Device (second, third triggers transmitter), SK1, SK4 be main contact high-pressure thyristor (first,
4th high-pressure thyristor), SK2, SK3 are secondary contact high-pressure thyristor (second, third high pressure
IGCT).
Detailed description of the invention
Embodiment 1
A kind of novel transformer on-load voltage regulating switch, including switching on-off circuit, described switching switch
Circuit includes symmetrical odd number tap-change operation circuit and even numbers tap-change operation circuit, institute
State tap-change operation circuit and include working contact K1, K2, be made up of main contact and secondary contact
Double-contact synchronizes transition contact k1, k1 ' and k2, k2 ' and moving contact A, described divides
Joint switching circuit includes that the working contact control circuit drawn by tap and main contact control
Circuit and be connected to the secondary contact control circuit of main contact k1, k2；Described working contact control
Circuit processed is the input that working contact K1, K2 are connected to main contact triggering transmitter TSC1, TSC4
End, main contact triggers the outfan of transmitter TSC1, TSC4 and is connected to main contact control circuit；
Described main contact control circuit is that secondary contact triggers transmitter TSC2, TSC3 and transition resistance
The series arm of R1, R2 is parallel to flow quick resistance RF1, RF2 and main contact high-pressure thyristor
The series arm two ends of SK1, SK4；Described secondary contact control circuit is a tap-change operation
Main contact k1, k2 of circuit is connected to other one point through secondary contact high-pressure thyristor SK3, SK2
The secondary contact k2 ' of joint switching circuit, k1 '；Described main contact trigger transmitter TSC1,
TSC4 provides for main contact high-pressure thyristor SK1, the SK4 in same tap-change operation circuit and touches
Generating stream, described secondary contact triggers transmitter TSC2, TSC3 and is and same tap-change operation
Secondary contact high-pressure thyristor SK2, SK3 that the secondary contact of circuit connects provides trigger current.
In terms of process when moving contact A is switched to fixed contact K2 by fixed contact K1, this practicality is new
The operation principle of type is as follows:
Normal condition is as it is shown in figure 1, moving contact A contacts with working contact K1, and first triggers
Transmitter TSC1 has electric current, second trigger transmitter TSC2, the 3rd trigger transmitter TSC3,
4th triggers transmitter TSC4 does not has electric current；
Start to synchronize transition contact k1, k1 ' switching to double-contact, when going to Fig. 2 position,
Moving contact A transition contact k1 Tong Bu with working contact K1 and double-contact, k1 ' contact, and first
High-pressure thyristor SK1 is conducting state, and working contact K1, main contact k1 have electric current simultaneously,
Second triggers transmitter TSC2, the 3rd triggering transmitter TSC3, the 4th triggering transmitter TSC4
There is no electric current.
When going to Fig. 3 position, moving contact A and working contact K1 isoelectric level disconnect without arc,
First high-pressure thyristor SK1 does not has electric current, the second triggering transmitter TSC2 to have electric current, moving contact
A transition contact k1 Tong Bu with double-contact, k1 ' contact, second trigger transmitter TSC2, the 3rd
Trigger transmitter TSC3 and have electric current；
Start to synchronize transition contact k2, k2 ' switching to double-contact, when going to Fig. 4 position,
Moving contact A transition contact k1 Tong Bu with double-contact, k1 ', double-contact synchronize transition contact
K2, k2 ' contact, the second triggering transmitter TSC2, the 3rd triggering transmitter TSC3 have electric current,
Second high-pressure thyristor SK2, the 3rd high-pressure thyristor SK3 conducting make double-contact synchronization transition touch
Head k1, k1 ', k2, k2 ' isoelectric level, it is not likely to produce electric arc；
When going to Fig. 5 position, moving contact A transition contact k2 Tong Bu with double-contact, k2 ' connects
Touching, the second triggering transmitter TSC2, the 3rd triggering transmitter TSC3 have electric current, and the 4th triggers
Transmitter TSC4 no current；
Start to switch to fixed contact K2, when going to Fig. 6 position, moving contact A and work
Contact K2 and double-contact synchronize transition contact k2, k2 ' and contact, the second triggering transmitter TSC2,
3rd triggers transmitter TSC3 does not has electric current, and the 4th triggers transmitter TSC4 electric current；
When going to Fig. 7 position, moving contact A contacts with working contact K2, and second triggers change
Sending device TSC2, the 3rd triggering transmitter TSC3 not to have electric current, the 4th triggers transmitter TSC4
There is electric current.
When following fault occurs, need not overhaul in time and also can guarantee that normal work,
When the first high-pressure thyristor SK1 open circuit, transition resistance R1 dominates work, and work is touched
Head K1, K2 starting the arc arc extinguishing；
When the 4th high-pressure thyristor SK4 open circuit, transition resistance R2 dominates work, and work is touched
Head K1, K2 starting the arc arc extinguishing；
When the first high-pressure thyristor SK1 short circuit conducting, flow quick resistance RF1 in Fig. 4 position mistake
Stream disconnects, double-contact synchronization transition contact k1, k1', double-contact synchronization transition contact k2,
K2' starting the arc arc extinguishing；
When the 4th high-pressure thyristor SK4 short circuit conducting, flow quick resistance RF2 in Fig. 4 position mistake
Stream disconnects, double-contact synchronization transition contact k1, k1', double-contact synchronization transition contact k2,
K2' starting the arc arc extinguishing；
When the second high-pressure thyristor SK2 open circuit, working contact K1, K2 starting the arc arc extinguishing；
When the 3rd high-pressure thyristor SK3 open circuit, working contact K1, K2 starting the arc arc extinguishing；
When the second high-pressure thyristor SK2 short circuit conducting, double-contact synchronization transition contact k1,
K1' starting the arc arc extinguishing；
When the 3rd high-pressure thyristor SK3 short circuit conducting, double-contact synchronization transition contact k2,
K2' starting the arc arc extinguishing；
Embodiment 2
A kind of novel transformer on-load voltage regulating switch, described main contact control circuit is that secondary contact triggers
The series arm of transmitter TSC2, TSC3 and transition resistance R1, R2 be parallel to fuse with
The series arm two ends of main contact high-pressure thyristor SK1, SK4, other part-structures and action
Principle all with embodiment 1, does not repeats them here.
Claims (3)
1. a novel transformer on-load voltage regulating switch, including switching on-off circuit, described switching
On-off circuit includes symmetrical odd number tap-change operation circuit and even numbers tap-change operation electricity
Road, described tap-change operation circuit include working contact, by main contact and secondary contact form double
Contact synchronize transition contact and can with working contact, double-contact synchronize transition contact contact move
Contact, it is characterised in that: described tap-change operation circuit includes the work drawn by tap
Contact control circuit and main contact control circuit and be connected to the secondary contact control circuit of main contact；
Described working contact control circuit is the input that working contact is connected to main contact triggering transmitter
End, main contact triggers the outfan of transmitter and is connected to main contact control circuit；Described main contact
Control circuit is that the series arm of secondary contact triggering transmitter and transition resistance was parallel to stream guarantor
Protect the series arm two ends of device and main contact high-pressure thyristor；Described secondary contact control circuit
It is that the main contact of a tap-change operation circuit is connected to other one point through secondary contact high-pressure thyristor
The secondary contact of joint switching circuit；It is same tap-change operation that described main contact triggers transmitter
Main contact high-pressure thyristor in circuit provides trigger current, described secondary contact to trigger transmitter
Secondary contact high-pressure thyristor for being connected with the secondary contact of same tap-change operation circuit provides and touches
Generating stream.
Novel transformer on-load voltage regulating switch the most according to claim 1, it is characterised in that:
Described over-current protection device is for flowing quick resistance.
Novel transformer on-load voltage regulating switch the most according to claim 1, it is characterised in that:
Described over-current protection device is fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520891931.5U CN205751825U (en) | 2015-11-10 | 2015-11-10 | A kind of novel transformer on-load voltage regulating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520891931.5U CN205751825U (en) | 2015-11-10 | 2015-11-10 | A kind of novel transformer on-load voltage regulating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205751825U true CN205751825U (en) | 2016-11-30 |
Family
ID=57388709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520891931.5U Withdrawn - After Issue CN205751825U (en) | 2015-11-10 | 2015-11-10 | A kind of novel transformer on-load voltage regulating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205751825U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225814A (en) * | 2015-11-10 | 2016-01-06 | 刁俊起 | A kind of novel transformer on-load voltage regulating switch |
| CN111899999A (en) * | 2020-06-29 | 2020-11-06 | 南方电网科学研究院有限责任公司 | Power electronic tap changer and distribution transformer |
-
2015
- 2015-11-10 CN CN201520891931.5U patent/CN205751825U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225814A (en) * | 2015-11-10 | 2016-01-06 | 刁俊起 | A kind of novel transformer on-load voltage regulating switch |
| CN105225814B (en) * | 2015-11-10 | 2018-01-12 | 刁俊起 | A kind of on-load tap-changer of transformer |
| CN111899999A (en) * | 2020-06-29 | 2020-11-06 | 南方电网科学研究院有限责任公司 | Power electronic tap changer and distribution transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20180112 |