CN203772928U - +/-200kv DC all-fiber photoelectric current mutual inductor - Google Patents
+/-200kv DC all-fiber photoelectric current mutual inductor Download PDFInfo
- Publication number
- CN203772928U CN203772928U CN201420178617.8U CN201420178617U CN203772928U CN 203772928 U CN203772928 U CN 203772928U CN 201420178617 U CN201420178617 U CN 201420178617U CN 203772928 U CN203772928 U CN 203772928U
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- China
- Prior art keywords
- sleeve pipe
- sleeve tube
- photoelectric current
- fiber photoelectric
- conductive bar
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a +/-200kV DC all-fiber photoelectric current mutual inductor comprising a shell, a sleeve tube upper flange, a silicone rubber umbrella skirt, a sleeve tube lower flange, a secondary junction box, a pedestal and a sleeve tube. The tube is provided with the silicone rubber umbrella skirt. The shell is arranged on the upper end of the sleeve tube via the sleeve tube upper flange. The lower end of the sleeve tube is fixed on the pedestal via the sleeve tube lower flange. The secondary junction box is arranged below the pedestal. The +/-200kV DC all-fiber photoelectric current mutual inductor also comprises a conductive bar fixing device and a primary conductive bar. The conductive bar fixing device is fixed on the upper end of the sleeve tube. One end of the primary conductive bar is installed on the conductive bar fixing device, and the other end penetrates through the shell. A conventional electromagnetic type principle is completely eliminated, an optical sensing technology is adopted and the primarily measured high current and high voltage are directly converted into weak light signal phase and amplitude so that the overall structure is relatively simple, installation is convenient and operation is simple, and thus the +/-200kV DC all-fiber photoelectric current mutual inductor is a safe, reliable, energy-saving and environment-friendly green product with great product applicability, and installation is facilitated for users. .
Description
Technical field
The utility model relates to a kind of DC full optical fiber photoelectric current inductor, belongs to high voltage direct current power transmission and transforming equipment.
Background technology
Tradition mutual inductor is electromagnetic type principle, has following defect: 1) volume weight is large, installs, transports inconvenience; 2) more conventional current mutual inductor inside is filled and is usingd mineral oil as insulation and heat eliminating medium, has catastrophic failure and the burning that may cause, the defect of explosion danger; 3) primary conductive of prior art row physical dimension is fixed, and cannot meet user's various installation dimension demands.
Summary of the invention
Technical problem to be solved in the utility model is the defect existing for prior art, and a kind of DC full optical fiber photoelectric current inductor that detects online use for DC transmission engineering is provided.
For solving this technical matters, the utility model provides a kind of ± 200kV DC full optical fiber photoelectric current inductor, comprise housing, sleeve pipe upper flange, silicon rubber full skirt, sleeve pipe lower flange, secondary terminal box, base and sleeve pipe, described sleeve pipe is provided with silicon rubber full skirt, housing is arranged on the upper end of sleeve pipe by sleeve pipe upper flange, the lower end of sleeve pipe is fixed on base by sleeve pipe lower flange, the below of base arranges secondary terminal box, also comprise busbar stationary installation and primary conductive row, busbar stationary installation is fixed on the upper end of sleeve pipe, described primary conductive row one end is arranged in busbar stationary installation, its other end is through housing.
Described silicon rubber full skirt adopts large slight medium and small umbellule structure, by machine silastic material, is made, and it is embedded in optical fiber type composite hollow insulator.
Described secondary terminal box adopts integral structure.
The construction profile size of described housing and Fibre Optical Sensor components and parts is adaptive.
Beneficial effect: the utility model has been abandoned traditional electromagnetic type principle completely, the extraction principle of signal and Energy Transfer principle are completely distinguished and come, adopt optical sensing technology, the phase place and the amplitude that directly the large electric current once recording and high voltage are converted to faint optical signal, the processes such as fiber-optic signal collection, processing, transmission have been solved, thereby test signal changes, reach final requirement, its one-piece construction is relatively simple, easy for installation, easy to operate, is a kind of green product of safe and reliable, energy-conserving and environment-protective; Described primary conductive row separates with product ontology, by busbar stationary installation, is arranged on product ontology, can, according to user's demand, change different frame modes and installation dimension; By the busbar stationary installation coordinating the with it adjustment of modifying; Can adopt different busbars according to user's different structure demand, increase the applicability of product, user friendly installation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1 housing, 2 busbar stationary installations, 3 primary conductive rows, 4 sleeve pipe upper flanges, 5 silicon rubber cluster parachutes, 6 sleeve pipe lower flanges, 7 secondary terminal boxes, 8 bases, 9 sleeve pipes.
Embodiment
Below in conjunction with drawings and Examples, the utility model is specifically described.
Figure 1 shows that structural representation of the present utility model.
The utility model comprises housing 1, sleeve pipe upper flange 4, silicon rubber full skirt 5, sleeve pipe lower flange 6, secondary terminal box 7, base 8 and sleeve pipe 9, described sleeve pipe 9 is provided with silicon rubber full skirt 5, housing 1 is arranged on the upper end of sleeve pipe 9 by sleeve pipe upper flange 4, the lower end of sleeve pipe 9 is fixed on base 8 by sleeve pipe lower flange 6, and the below of base 8 arranges secondary terminal box 7.
The utility model also comprises busbar stationary installation 2 and primary conductive row 3, and busbar stationary installation 2 is fixed on the upper end of sleeve pipe 9, and described primary conductive is arranged 3 one end and is arranged in busbar stationary installation 2, and its other end is through housing 1.
Described primary conductive row 3 separates with product ontology, by busbar stationary installation 2, is arranged on product ontology, can, according to user's demand, change different frame modes and installation dimension; By the busbar stationary installation 2 coordinating the with it adjustment of modifying; Can adopt different busbars according to user's different structure demand, increase the applicability of product, user friendly installation.
Described silicon rubber full skirt 5 adopts large slight medium and small umbellule structure, by machine silastic material, made, it is embedded in optical fiber type composite hollow insulator, the performances such as its weatherability, ageing-resistant, anti creepage trace, hydrophobic nature are good, make its insulation distance and leakage distance reach rational parameter ratio, its gradation for surface pollution is high, and pollution flashover, rain lightning are pressed high.
Described secondary terminal box 7 adopts integral structure, has reduced the operation steps of actual installation, and technique is simple.
Described housing 1 is according to the construction profile size design of Fibre Optical Sensor components and parts, and the product structure size of greatly dwindling, saves material.
The utlity model has following advantage: 1) insulation system is simple; Lightweight; Volume is little; Cost is relatively cheap; 2) there is no iron core, can not occur saturatedly, secondary current can not distort, and this will be conducive to the operation of the relay protection devices such as differential protection, overcurrent protection; 3) there are the potentiality of measuring large electric current; 4) be output as digital quantity, can greatly simplify existing relay protection device, be conducive to the digitizing automated process of electric system; 5) can utilize GPS GPS, stamp unified markers to the digital output of mutual inductor, be conducive to the real-time remote monitoring of operation states of electric power system; 6) each functional module is relatively independent, is convenient to installation and maintenance.
The utility model has been abandoned traditional electromagnetic type principle completely, the extraction principle of signal and Energy Transfer principle are completely distinguished and come, adopt optical sensing technology, the phase place and the amplitude that directly the large electric current once recording and high voltage are converted to faint optical signal, solved fiber-optic signal collection, process, the processes such as transmission, thereby test signal changes, reach final requirement, its one-piece construction is relatively simple, easy for installation, easy to operate, a kind of safe and reliable, the green product of energy-conserving and environment-protective, this China and world for 21 century resource anxiety has great importance.
The above-mentioned embodiment of the utility model, just illustrates, and is not only, all within the scope of the utility model or the change being equal in scope of the present utility model all by the utility model, surrounded.
Claims (4)
1. one kind ± 200KV DC full optical fiber photoelectric current inductor, comprise housing (1), sleeve pipe upper flange (4), silicon rubber full skirt (5), sleeve pipe lower flange (6), secondary terminal box (7), base (8) and sleeve pipe (9), described sleeve pipe (9) is provided with silicon rubber full skirt (5), housing (1) is arranged on the upper end of sleeve pipe (9) by sleeve pipe upper flange (4), the lower end of sleeve pipe (9) is fixed on base (8) by sleeve pipe lower flange (6), the below of base (8) arranges secondary terminal box (7), it is characterized in that: also comprise busbar stationary installation (2) and primary conductive row (3), busbar stationary installation (2) is fixed on the upper end of sleeve pipe (9), described primary conductive row (3) one end is arranged in busbar stationary installation (2), its other end is through housing (1).
2. according to claim 1 ± 200KV DC full optical fiber photoelectric current inductor, is characterized in that: described silicon rubber full skirt (5) adopts large slight medium and small umbellule structure, by machine silastic material, is made, and it is embedded in optical fiber type composite hollow insulator.
3. according to claim 1 ± 200KV DC full optical fiber photoelectric current inductor, is characterized in that: described secondary terminal box (7) adopts integral structure.
According to described in claim 1,2 or 3 ± 200KV DC full optical fiber photoelectric current inductor, it is characterized in that: the construction profile size of described housing (1) and Fibre Optical Sensor components and parts is adaptive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178617.8U CN203772928U (en) | 2014-04-14 | 2014-04-14 | +/-200kv DC all-fiber photoelectric current mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178617.8U CN203772928U (en) | 2014-04-14 | 2014-04-14 | +/-200kv DC all-fiber photoelectric current mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772928U true CN203772928U (en) | 2014-08-13 |
Family
ID=51290106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178617.8U Expired - Fee Related CN203772928U (en) | 2014-04-14 | 2014-04-14 | +/-200kv DC all-fiber photoelectric current mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203772928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941066A (en) * | 2014-04-14 | 2014-07-23 | 山东彼岸电力科技有限公司 | +/-200 kV direct-current all-fiber photoelectric current transformer |
| CN104391157A (en) * | 2014-11-25 | 2015-03-04 | 贵州电力试验研究院 | Strut type all-fiber current transformer with novel armor clamp |
-
2014
- 2014-04-14 CN CN201420178617.8U patent/CN203772928U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941066A (en) * | 2014-04-14 | 2014-07-23 | 山东彼岸电力科技有限公司 | +/-200 kV direct-current all-fiber photoelectric current transformer |
| CN104391157A (en) * | 2014-11-25 | 2015-03-04 | 贵州电力试验研究院 | Strut type all-fiber current transformer with novel armor clamp |
| CN104391157B (en) * | 2014-11-25 | 2018-01-23 | 贵州电力试验研究院 | Column support type all-fiber current transformator with gold utensil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 |