CN203941257U - A kind of main transformer DC magnetic biasing remote online monitoring device - Google Patents
A kind of main transformer DC magnetic biasing remote online monitoring device Download PDFInfo
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- CN203941257U CN203941257U CN201420400243.XU CN201420400243U CN203941257U CN 203941257 U CN203941257 U CN 203941257U CN 201420400243 U CN201420400243 U CN 201420400243U CN 203941257 U CN203941257 U CN 203941257U
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Abstract
A main transformer DC magnetic biasing remote online monitoring device, relates to a kind of on-Line Monitor Device.Traditional interruption maintenance method cannot be found main transformer DC magnetic biasing fault, thereby serious threat is to the safe operation of electrical network.The utility model comprises current transformer, the collection analysis plate being connected with current transformer, the industry control gateway being connected with collection analysis plate, the gigabit photoelectric commutator being connected with industry control gateway and be the power supply of collection analysis plate, industry control gateway and the power supply of gigabit photoelectric commutator, described collection analysis plate, industry control gateway, gigabit photoelectric commutator, power supply are located in a casing, described current transformer for surveying the folding type straight-through current transformer of AC and DC simultaneously, and current transformer is enclosed within outward on the ground wire of neutral point.The technical program adopts folding type alterating and direct current current transformer, is convenient to be arranged in neutral ground loop, can monitor neutral point AC compounent, also can detect DC component, has met the requirement that disperses installation, remote centralized control.
Description
Technical field
The utility model relates to a kind of on-Line Monitor Device.
Background technology
At present, due to the output of China electrical network energy in Midwest, load concentrates on east and south, due to transferring electricity from the west to the east, trans-regional grid-connected, grid power transmission is to extra-high voltage, the large capacity power transmission and transformation of direct current future development, at present existing many superhigh voltage DC circuits put into operation, and when the operation of high-voltage dc transmission electric monopole ground return circuit and bipolar off-center operation, the potential difference (PD) of generation can cause transformer to occur DC magnetic bias phenomena.There is DC magnetic biasing in transformer, under improper excitation and large load operation operating mode, transformer core is prone to that hypersaturated state, loss meeting become large, harmonic distortion, transformer produces abnormal vibrations, can cause comprising that the faults such as loosening, distortion and heating unshakable in one's determination occur for winding and self transformer inner retainer unshakable in one's determination when serious.
Traditional interruption maintenance method cannot be found main transformer DC magnetic biasing fault, thereby serious threat is to the safe operation of electrical network.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is that prior art scheme is improved and improved, and a kind of main transformer DC magnetic biasing remote online monitoring device is provided, to reach the object of energy real time on-line monitoring main transformer working condition.For this reason, the utility model is taked following technical scheme.
A kind of main transformer DC magnetic biasing remote online monitoring device, it is characterized in that: comprise current transformer, the collection analysis plate being connected with current transformer, the industry control gateway being connected with collection analysis plate, the gigabit photoelectric commutator being connected with industry control gateway and for collection analysis plate, the power supply of industry control gateway and the power supply of gigabit photoelectric commutator, described collection analysis plate, industry control gateway, gigabit photoelectric commutator, power supply is located in a casing, described current transformer for surveying the folding type straight-through current transformer of AC and DC simultaneously, current transformer is enclosed within outward on the ground wire of neutral point.
As the further of technique scheme improved and supplemented, the utility model also comprises following additional technical feature.
Described current transformer comprises fixed part and test section, in the form of a ring, its middle part wears the ground wire of neutral point to described test section, and test section comprises left folder portion, right folder portion, left folder portion and right folder portion are spliced to form ring-type test section, and ground wire enters from the stitching portion of left folder portion, right folder portion.
Described casing is located on insulated column, described insulated column is provided with the first insulator, the first insulator is connected with the second insulator side by side by electric conductor, the neutral sleeve pipe of main transformer is established in the second insulator below, the below of the neutral sleeve pipe of main transformer is provided with transformer main change, electric conductor between the first insulator and the second insulator is laterally located at the first insulator, the second insulator top, electric conductor cover insulation body, the first described insulator, the second insulator middle part is equipped with wire, the neutral lead of transformer main change is through the neutral sleeve pipe of main transformer, the second insulator, the first insulator is connected with ground wire.
Described ground wire is positioned at the outside of insulated column.
Beneficial effect: 1, the technical program adopts folding type alterating and direct current current transformer, and folding punching mounting means, is convenient to be arranged in neutral ground loop, can monitor neutral point AC compounent, also can detect DC component.
2, integrated level is high, the parts such as the interior integrated collection analysis circuit of single casing, industry control gateway, photoelectricity switch, power supply, being convenient to node is installed near main transformer, can connect power transformation status monitoring LAN (Local Area Network) by optical fiber, realize remote monitoring function, product optical-fibre communications antijamming capability is strong, and safe electrical isolation has been realized on on-the-spot primary equipment monitoring device and secondary device backstage.
3, install and realized nodeization installation, product maintenance is convenient, has met the requirement that disperses installation, remote centralized control.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is use structural representation of the present utility model.
In figure: 1-current transformer; 101-fixed part; The left folder of 102-portion; The right folder of 103-portion; 2-collection analysis plate; 3-industry control gateway; 4-gigabit photoelectric commutator; 5-power supply; 6-casing; 7-ground wire; 8-insulated column; 9-the first insulator; 10-the second insulator; The neutral sleeve pipe of 11-main transformer; 12-transformer main change; 13-electric conductor.
Embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is described in further detail.
As shown in Figure 1, the utility model comprises current transformer 1, the collection analysis plate 2 being connected with current transformer 1, the industry control gateway 3 being connected with collection analysis plate 2, the gigabit photoelectric commutator 4 being connected with industry control gateway 3 and is the power supply 5 of collection analysis plate 2, industry control gateway 3 and 4 power supplies of gigabit photoelectric commutator, described collection analysis plate 2, industry control gateway 3, gigabit photoelectric commutator 4, power supply 5 are located in a casing 6, described current transformer 1 is folding type AC/DC mutual inductor, and current transformer 1 is outer to be enclosed within on the ground wire 7 of neutral point.
For convenience of wiring, described current transformer 1 comprises fixed part 101 and test section, described test section in the form of a ring, its middle part wears the ground wire 7 of neutral point, test section comprises left folder portion 102, right folder portion 103, left folder portion 102 and right folder portion 103 are spliced to form ring-type test section, and ground wire 7 enters from the stitching portion of left folder portion 102, right folder portion 103.
As shown in Figure 2, for improving security, and the accuracy of data, monitoring device is arranged near main transformer 12 neutral ground loops nearby, being specially described casing 6 is located on insulated column 8, described insulated column 8 is provided with the first insulator 9, the first insulator 9 is connected with the second insulator 10 side by side by electric conductor 13, the neutral sleeve pipe 11 of main transformer is established in the second insulator 10 belows, the below of the neutral sleeve pipe 11 of main transformer is provided with transformer main change 12, electric conductor 13 between the first insulator 9 and the second insulator 10 is laterally located at the first insulator 9, the second insulator 10 tops, electric conductor 13 cover insulation bodies, the first described insulator 9, the second insulator 10 middle parts are equipped with wire, the neutral lead of transformer main change 12 is through the neutral sleeve pipe 11 of main transformer, the second insulator 10, the first insulator 9 is connected with ground wire 7.Described ground wire 7 is positioned at the outside of insulated column 8.
A kind of main transformer DC magnetic biasing remote online monitoring device shown in above Fig. 1-2 is specific embodiment of the utility model; the utility model substantive distinguishing features and progress have been embodied; can be according to actual use needs; under enlightenment of the present utility model; it is carried out to the equivalent modifications of the aspects such as shape, structure, all at the row of the protection domain of this programme.
Claims (4)
1. a main transformer DC magnetic biasing remote online monitoring device, it is characterized in that: comprise current transformer (1), the collection analysis plate (2) being connected with current transformer (1), the industry control gateway (3) being connected with collection analysis plate (2), the gigabit photoelectric commutator (4) being connected with industry control gateway (3) and for collection analysis plate (2), the power supply (5) of industry control gateway (3) and gigabit photoelectric commutator (4) power supply, described collection analysis plate (2), industry control gateway (3), gigabit photoelectric commutator (4), power supply (5) is located in a casing (6), described current transformer (1) for surveying the folding type straight-through current transformer of AC and DC simultaneously, current transformer (1) is outer to be enclosed within on the ground wire (7) of neutral point.
2. a kind of main transformer DC magnetic biasing remote online monitoring device according to claim 1, it is characterized in that: described current transformer (1) comprises fixed part (101) and test section, described test section in the form of a ring, its middle part wears the ground wire (7) of neutral point, test section comprises left folder portion (102), right folder portion (103), left folder portion (102) and right folder portion (103) are spliced to form ring-type test section, and ground wire (7) enters from the stitching portion of left folder portion (102), right folder portion (103).
3. a kind of main transformer DC magnetic biasing remote online monitoring device according to claim 2, it is characterized in that: described casing (6) is located on insulated column (8), described insulated column (8) is provided with the first insulator (9), the first insulator (9) is connected with the second insulator (10) side by side by electric conductor (13), the neutral sleeve pipe (11) of main transformer is established in the second insulator (10) below, the below of the neutral sleeve pipe of main transformer (11) is provided with transformer main change (12), electric conductor (13) between the first insulator (9) and the second insulator (10) is laterally located at the first insulator (9), the second insulator (10) top, electric conductor (13) cover insulation body, described the first insulator (9), the second insulator (10) middle part is equipped with wire, the neutral lead of transformer main change (12) is through the neutral sleeve pipe (11) of main transformer, the second insulator (10), the first insulator (9) is connected with ground wire (7).
4. a kind of main transformer DC magnetic biasing remote online monitoring device according to claim 3, is characterized in that: described ground wire (7) is positioned at the outside of insulated column (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400243.XU CN203941257U (en) | 2014-07-18 | 2014-07-18 | A kind of main transformer DC magnetic biasing remote online monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400243.XU CN203941257U (en) | 2014-07-18 | 2014-07-18 | A kind of main transformer DC magnetic biasing remote online monitoring device |
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| Publication Number | Publication Date |
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| CN203941257U true CN203941257U (en) | 2014-11-12 |
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| CN201420400243.XU Active CN203941257U (en) | 2014-07-18 | 2014-07-18 | A kind of main transformer DC magnetic biasing remote online monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064687A (en) * | 2017-04-28 | 2017-08-18 | 安徽正广电电力技术有限公司 | Transformer DC magnetic bias monitors sensor |
| CN108152559A (en) * | 2017-12-23 | 2018-06-12 | 中国西电电气股份有限公司 | A kind of integrated DC magnetic bias current measuring device and method |
-
2014
- 2014-07-18 CN CN201420400243.XU patent/CN203941257U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064687A (en) * | 2017-04-28 | 2017-08-18 | 安徽正广电电力技术有限公司 | Transformer DC magnetic bias monitors sensor |
| CN108152559A (en) * | 2017-12-23 | 2018-06-12 | 中国西电电气股份有限公司 | A kind of integrated DC magnetic bias current measuring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 310011 Moganshan Road No. 1418-15 Patentee after: Hangzhou Colin electric Limited by Share Ltd Address before: Hangzhou City, Zhejiang province 310011 Moganshan Road No. 1418-15 Patentee before: Hangzhou Kelin Electric Power Equipment Co., Ltd. |
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| CP02 | Change in the address of a patent holder |
Address after: 310000 6 storeys, 7 blocks, No. 1418-41, Moganshan Road, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Colin electric Limited by Share Ltd Address before: 310011 No. 1418-15 Moganshan Road, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Colin electric Limited by Share Ltd |
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| CP02 | Change in the address of a patent holder |