CN208908381U - A kind of single-phase increasing apparatus free of discontinuities of feeder line - Google Patents
A kind of single-phase increasing apparatus free of discontinuities of feeder line Download PDFInfo
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- CN208908381U CN208908381U CN201821913418.1U CN201821913418U CN208908381U CN 208908381 U CN208908381 U CN 208908381U CN 201821913418 U CN201821913418 U CN 201821913418U CN 208908381 U CN208908381 U CN 208908381U
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- contactor
- branch
- discontinuities
- feeder line
- increasing apparatus
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Abstract
The utility model discloses a kind of single-phase increasing apparatus free of discontinuities of feeder line, pass through control first contactor and the 6th contactor closure first, correspondingly, 5th contactor is in an off state, so that the single-phase increasing apparatus free of discontinuities of feeder line provided by the utility model is in energized state, in the energized state, when needing to carry out boost operations, it is closed the 5th contactor, disconnect the 6th contactor, electric current passes through the 5th contactor at this time, first contactor and big resistance or big inductance form access, reclose the 0th contactor, so that electric current passes through the 5th contactor, first contactor and the 0th contactor form access, complete a boost operations, the disconnection of transient voltage is not present in the process, and the single-phase increasing apparatus structure free of discontinuities of feeder line provided by the utility model is simple, it is at high cost to solve existing transformer, structure is complicated, and When switching the technical issues of existing voltage interruption.
Description
Technical field
The utility model relates to technical field of electric equipment more particularly to a kind of single-phase increasing apparatus free of discontinuities of feeder line.
Background technique
In recent years, under New Rural Construction Background, the regional power load of the power supply such as outskirts of a town, rural area is significantly increased, because of rack
It is relatively poor with operation management level, low and medium voltage distribution network quality of voltage outstanding problem, especially at rural resident end, partly
Area is unable to reach national standard and power supply regulatory requirements, it is difficult to meet the electricity needs of user's good life yearning.Therefore, it is promoted
Distribution quality of voltage is the focus of power supply enterprise.
Existing some transformers, for example, on-load voltage regulating switch, based on self coupling become transformer and based on compensation principle
Transformer, wherein on-load voltage regulating switch is at high cost and volume is big, is not suitable for the in-site installation of distribution；The transformation become based on self coupling
Although device structure is simple, there is technical issues that when switching；The reality of transformer based on compensation principle
Border capacity is small, narrow range of boosting.
Therefore, this application provides a kind of single-phase increasing apparatus free of discontinuities of feeder line, at high cost to solve existing transformer,
Structure is complicated, and when switching the technical issues of existing voltage interruption.
Utility model content
The utility model provides a kind of single-phase increasing apparatus free of discontinuities of feeder line, and it is at high cost to solve existing transformer,
Structure is complicated, and when switching the technical issues of existing voltage interruption.
The utility model provides a kind of single-phase increasing apparatus free of discontinuities of feeder line, comprising: transformer, contactor group and big electricity
Resistance or big inductance；
The transformer includes first winding and secondary winding；
The contactor group includes the 0th contactor, first contactor, the 5th contactor and the 6th contactor；
The second end of the first winding passes through the big resistance or the big inductance and the first contactor of connecting
First branch connection；
0th contactor is parallel to the both ends of the big resistance or the big inductance；
The concatenated described 5th is connected between the first end of the first winding and the first end of the secondary winding to connect
Tentaculum and the 6th contactor, and the 6th contactor is in parallel with the first branch；
5th contactor and the 6th contactor interlocking.
Optionally, the contactor group further includes second contactor；
The second end of the first winding is connect with the second branch for the second contactor of connecting；
It is connected between the first branch and the second branch by the 0th contactor；
The umber of turn that the second branch includes is lower than the umber of turn that the first branch includes.
Optionally, the contactor group further includes third contactor；
The second end of the first winding passes through the big resistance or the big inductance and the third contactor of connecting
The connection of third branch；
The first contactor and the third contactor interlocking；
The umber of turn that the third branch includes is lower than the umber of turn that the second branch includes.
Optionally, the contactor group further includes the 4th contactor；
The second end of the first winding is connect with the 4th branch of the 4th contactor of connecting；
The second contactor and the 4th contactor interlocking；
The umber of turn that 4th branch includes is lower than the umber of turn that the third branch includes.
As can be seen from the above technical solutions, the utility model has the advantage that
The utility model passes through control first contactor and the 6th contactor closure first, correspondingly, at the 5th contactor
In off-state, so that the single-phase increasing apparatus free of discontinuities of feeder line provided by the utility model is in energized state, in energized state
Under, when needing to carry out boost operations, be closed the 5th contactor, disconnect the 6th contactor, at this time electric current by the 5th contactor,
First contactor and big resistance or big inductance form access, reclose the 0th contactor, so that electric current is by the 5th contactor, the
One contactor and the 0th contactor form access, complete a boost operations, and the disconnection of transient voltage is not present in the process, and
The single-phase increasing apparatus structure free of discontinuities of feeder line provided by the utility model is simple, and it is at high cost to solve existing transformer, structure
Complexity, and when switching the technical issues of existing voltage interruption.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structural representation of one embodiment of the single-phase increasing apparatus free of discontinuities of feeder line provided by the utility model
Figure.
Specific embodiment
The utility model embodiment provides a kind of single-phase increasing apparatus free of discontinuities of feeder line, solve existing transformer at
This height, structure is complicated, and when switching the technical issues of existing voltage interruption.
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model a part of the embodiment, and not all embodiment.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel
Embodiment is fallen within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of one embodiment of single-phase increasing apparatus free of discontinuities of feeder line, packet
It includes: transformer, contactor group and big resistance R1 or big inductance L1；
Transformer includes first winding and secondary winding；
Contactor group includes the 0th contactor K0, first contactor K1, the 5th contactor K5 and the 6th contactor K6；
The second end of first winding is connected by big resistance R1 or big inductance L1 with the first branch for the first contactor K1 that connects
It connects；
0th contactor K0 is parallel to the both ends of big resistance R1 or big inductance L1；
Concatenated 5th contactor K5 and the 6th is connected between the first end of first winding and the first end of secondary winding
Contactor K6, and the 6th contactor K6 is in parallel with the first branch；
5th contactor K5 and the 6th contactor K6 is interlocked；
The utility model embodiment passes through control first contactor K0 and the 6th contactor K6 closure first, correspondingly, the
Five contactor K5 are in an off state, so that the single-phase increasing apparatus free of discontinuities of feeder line provided by the utility model is in energization shape
State when needing to carry out boost operations, is closed the 5th contactor K5, disconnects the 6th contactor K6 in the energized state, electric at this time
Stream forms access by the 5th contactor K5, first contactor K1 and big resistance R1 or big inductance L1, recloses the 0th contactor
K0 completes primary boosting behaviour so that electric current forms access by the 5th contactor K5, first contactor K1 and the 0th contactor K0
Make, the disconnection of transient voltage, and the single-phase increasing apparatus structure free of discontinuities of feeder line provided by the utility model are not present in the process
Simply, solve that existing transformer is at high cost, and structure is complicated, and the technology of existing voltage interruption is asked when switching
Topic.
Further, contactor group further includes second contactor K2；
The second end of first winding is connect with the second branch of series connection second contactor K2；
Pass through the 0th contactor K0 connection between the first branch and second branch；
The umber of turn that second branch includes is lower than the umber of turn that the first branch includes.
It should be noted that disconnecting the 0th contactor K0 after completing to boost for the first time, electric current is by the 5th contact at this time
Device K5, first contactor K1 and big resistance R1 or big inductance L1 form access, reclose second contactor K2, connect at this time first
Circulation is formed between tentaculum K1, second contactor K2 and big resistance R1 or big inductance L1, since the resistance value of big resistance R1 is larger,
Or big inductance L1 can not mutate, therefore loop current is smaller, will not damage to transformer.Then, first is disconnected to connect
Tentaculum K1, electric current forms access by the 5th contactor K5 and second contactor K2 at this time, completes second of boost operations.
Further, contactor group further includes third contactor K3；
The second end of first winding is connected by big resistance R1 or big inductance L1 with the third branch for the third contactor K3 that connects
It connects；
First contactor K1 and third contactor K3 is interlocked；
The umber of turn that third branch includes is lower than the umber of turn that second branch includes；
It should be noted that complete second boost after, be closed third contactor K3, at this time third contactor K3,
Access is formed between second contactor K2 and big resistance R1 or big inductance L1, similarly, since the resistance value of big resistance R1 is larger, or
Big inductance L1 can not mutate, therefore loop current is smaller, will not damage to transformer.Second contactor K2 is disconnected,
Electric current forms access by the 5th contactor K5, third contactor K3 and big resistance R1 or big inductance L1.Reclose the 0th contact
Device K0, electric current form access by the 5th contactor K5, third contactor K3 and the 0th contactor K0, complete third time boosting behaviour
Make.
Further, contactor group further includes the 4th contactor K4；
The second end of first winding is connect with the 4th branch of the 4th contactor K4 of series connection；
Second contactor K2 and the 4th contactor K4 is interlocked；
The umber of turn that 4th branch includes is lower than the umber of turn that third branch includes；
It should be noted that disconnecting the 0th contactor K0 after completing third time and boosting, electric current passes through the 5th contactor
K5, third contactor K3 and big resistance R1 or big inductance L1 form access.It is closed the 4th contactor K4, at this time in the 4th contactor
Form circulation between K4, third contactor K3 and big resistance R1 or big inductance L1, remain resistance value due to big resistance R1 compared with
Greatly, or big inductance L1 can not mutate, therefore loop current is smaller, will not damage to transformer.Disconnect third contact
Device K3, electric current forms access by the 5th contactor K5 and the 4th contactor K4 at this time, completes the 4th boost operations.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (4)
1. a kind of single-phase increasing apparatus free of discontinuities of feeder line characterized by comprising transformer, contactor group and big resistance are big
Inductance；
The transformer includes first winding and secondary winding；
The contactor group includes the 0th contactor, first contactor, the 5th contactor and the 6th contactor；
The second end of the first winding by the big resistance or the big inductance with connect the first of the first contactor
Branch connection；
0th contactor is parallel to the both ends of the big resistance or the big inductance；
Concatenated 5th contactor is connected between the first end of the first winding and the first end of the secondary winding
With the 6th contactor, and the 6th contactor is in parallel with the first branch；
5th contactor and the 6th contactor interlocking.
2. the single-phase increasing apparatus free of discontinuities of feeder line according to claim 1, which is characterized in that the contactor group further includes
Second contactor；
The second end of the first winding is connect with the second branch for the second contactor of connecting；
It is connected between the first branch and the second branch by the 0th contactor；
The umber of turn that the second branch includes is lower than the umber of turn that the first branch includes.
3. the single-phase increasing apparatus free of discontinuities of feeder line according to claim 2, which is characterized in that the contactor group further includes
Third contactor；
The third that the second end of the first winding passes through the big resistance or the big inductance and the third contactor of connecting
Branch connection；
The first contactor and the third contactor interlocking；
The umber of turn that the third branch includes is lower than the umber of turn that the second branch includes.
4. the single-phase increasing apparatus free of discontinuities of feeder line according to claim 3, which is characterized in that the contactor group further includes
4th contactor；
The second end of the first winding is connect with the 4th branch of the 4th contactor of connecting；
The second contactor and the 4th contactor interlocking；
The umber of turn that 4th branch includes is lower than the umber of turn that the third branch includes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821913418.1U CN208908381U (en) | 2018-11-20 | 2018-11-20 | A kind of single-phase increasing apparatus free of discontinuities of feeder line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821913418.1U CN208908381U (en) | 2018-11-20 | 2018-11-20 | A kind of single-phase increasing apparatus free of discontinuities of feeder line |
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| Publication Number | Publication Date |
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| CN208908381U true CN208908381U (en) | 2019-05-28 |
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|---|---|---|---|
| CN201821913418.1U Active CN208908381U (en) | 2018-11-20 | 2018-11-20 | A kind of single-phase increasing apparatus free of discontinuities of feeder line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274174A (en) * | 2018-11-20 | 2019-01-25 | 广东电网有限责任公司 | A kind of single-phase increasing apparatus free of discontinuities of feeder line and its control method |
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2018
- 2018-11-20 CN CN201821913418.1U patent/CN208908381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274174A (en) * | 2018-11-20 | 2019-01-25 | 广东电网有限责任公司 | A kind of single-phase increasing apparatus free of discontinuities of feeder line and its control method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210412 Address after: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Patentee after: China Southern Power Grid Power Technology Co.,Ltd. Address before: 510600 No. 757 Dongfeng East Road, Guangzhou, Guangdong, Yuexiu District Patentee before: GUANGDONG POWER GRID Co. Patentee before: Electric Power Research Institute of Guangdong Power Grid Co.,Ltd. |
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| TR01 | Transfer of patent right |