CN204086354U - For high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement - Google Patents
For high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement Download PDFInfo
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- CN204086354U CN204086354U CN201420579038.4U CN201420579038U CN204086354U CN 204086354 U CN204086354 U CN 204086354U CN 201420579038 U CN201420579038 U CN 201420579038U CN 204086354 U CN204086354 U CN 204086354U
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 title claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 235000018290 Musa x paradisiaca Nutrition 0.000 claims description 3
- 240000005561 Musa balbisiana Species 0.000 claims 1
- 241000234295 Musa Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, comprise low-voltage arm, described low-voltage arm is connected to high-voltage arm, and described low-voltage arm comprises shielding box, is arranged on the first low-voltage capacitance in shielding box and the coaxial capacitance fixed head for fixing low-voltage capacitance.Described shielding box is square aluminum alloy shielding box, one of them side is provided with first interface, the second interface is provided with on one of them side institute opposite flank, described coaxial capacitance fixed head is provided with the first through hole and the second through hole, described first interface is connected with the first through hole by the first low-voltage capacitance.The utility model can reduce response signal amplitude thus conveniently finally detect response signal.
Description
Technical field
The utility model belongs to electric device maintenance technical field, is specifically related to a kind of 750kV high-voltage shunt reactor winding failure live detection Signal Terminal.
Background technology
At present, along with the development of science and technology, the application of voltage divider is more and more general, and various types of voltage divider arises at the historic moment along with the difference of purposes.Its performance is more reliable, and precision is higher.Work under severe conditions, such as vehicle-mounted vibrations, High aititude, under the environment of severe cold.The RC divider of usual use encapsulation type, although but it is higher to meet requirement voltage that is withstand voltage, precision, its heat produced also strengthens thereupon, volume also can correspondingly increase, under the good environment of condition, and such as laboratory, sensing chamber etc., can use capacitive divider, the existing capacitive divider used at present, when measuring, can cause because of undesired signal measuring out of true.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement.
For achieving the above object, the utility model provides following technical scheme, for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, comprise low-voltage arm, described low-voltage arm is connected to high-voltage arm, and described low-voltage arm comprises shielding box, is arranged on the first low-voltage capacitance in shielding box and the coaxial capacitance fixed head for fixing low-voltage capacitance.
Further, described shielding box is square aluminum alloy shielding box, one of them side is provided with first interface, the second interface is provided with on one of them side institute opposite flank, described coaxial capacitance fixed head is provided with the first through hole and the second through hole, described first interface is connected with the first through hole by the first low-voltage capacitance.
Further, described low-voltage arm also comprises the second low-voltage capacitance, and one end of described second low-voltage capacitance is connected with the second through hole, and the other end of described second low-voltage capacitance is connected with the second interface.
Further, described low-voltage arm is connected by conversion head with high-voltage arm.
Further, described conversion head is banana head and BNC adapter.
Further, the common port of described low-voltage arm and high-voltage arm is connected with damping resistance, and described damping resistance is connected with load.
Further, described load two ends First-order Integral circuit in parallel.
Further, described high-voltage arm adopts sleeve pipe coaxial capacitance, to be twined realizing a coaxial capacitance structure in by copper strips around sleeve pipe.
The beneficial effects of the utility model are:
1, the utility model can reduce response signal amplitude thus conveniently finally detect response signal;
2, can interference be reduced, improve measuring accuracy;
3, high-voltage arm twines realization in a week by copper strips around sleeve pipe, and structure is simpler.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural drawing of low-voltage arm;
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, comprise low-voltage arm, described low-voltage arm is connected to high-voltage arm, and described low-voltage arm comprises shielding box 2, is arranged on the first low-voltage capacitance 5 in shielding box and the coaxial capacitance fixed head 1 for fixing low-voltage capacitance.
Described shielding box is square aluminum alloy shielding box, one of them side is provided with first interface 3, the second interface 4 is provided with on one of them side institute opposite flank, described coaxial capacitance fixed head is provided with the first through hole 6 and the second through hole 7, described first interface is connected with the first through hole by the first low-voltage capacitance.
Described low-voltage arm also comprises the second low-voltage capacitance 8, and one end of described second low-voltage capacitance is connected with the second through hole, and the other end of described second low-voltage capacitance is connected with the second interface.
Described low-voltage arm is connected by conversion head with high-voltage arm.
Described conversion head is banana head and BNC adapter.
The common port of described low-voltage arm and high-voltage arm is connected with damping resistance, and described damping resistance is connected with load.
Described high-voltage arm adopts sleeve pipe coaxial capacitance, to be twined realizing a coaxial capacitance structure in by copper strips around sleeve pipe.
The utility model can be used as power frequency capacitive divider, also can be used as pulse voltage capacitance divider, and when as power frequency capacitive divider, connecting one at outlet terminal is hold as apposition separation structure, thus can play filter action.
When using the utility model to measure, be fixed on by screw silk on the flange of reactor sleeve pipe by described capacitive divider, capacitive divider is connected to the detection interface of the Signal Terminal be arranged in protective casing by the heart yearn of concentric cable.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.
Claims (8)
1. for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, it is characterized in that: comprise low-voltage arm, described low-voltage arm is connected to high-voltage arm, and described low-voltage arm comprises shielding box, is arranged on the first low-voltage capacitance in shielding box and the coaxial capacitance fixed head for fixing low-voltage capacitance.
2. according to claim 1 for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, it is characterized in that: described shielding box is square aluminum alloy shielding box, one of them side is provided with first interface, the second interface is provided with on one of them side institute opposite flank, described coaxial capacitance fixed head is provided with the first through hole and the second through hole, described first interface is connected with the first through hole by the first low-voltage capacitance.
3. according to claim 2 for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, it is characterized in that: described low-voltage arm also comprises the second low-voltage capacitance, one end of described second low-voltage capacitance is connected with the second through hole, and the other end of described second low-voltage capacitance is connected with the second interface.
4. according to claim 1 for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, it is characterized in that: described low-voltage arm is connected by conversion head with high-voltage arm.
5. according to claim 2 for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, it is characterized in that: described conversion head is banana head and BNC adapter.
6. according to claim 1 for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, it is characterized in that: the common port of described low-voltage arm and high-voltage arm is connected with damping resistance, described damping resistance is connected with load.
7. according to claim 6 for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, it is characterized in that: described load two ends First-order Integral circuit in parallel.
8. according to claim 1-3 any one for high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement, it is characterized in that: described high-voltage arm adopts sleeve pipe coaxial capacitance, to be twined realizing a coaxial capacitance structure in by copper strips around sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579038.4U CN204086354U (en) | 2014-10-08 | 2014-10-08 | For high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579038.4U CN204086354U (en) | 2014-10-08 | 2014-10-08 | For high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204086354U true CN204086354U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420579038.4U Active CN204086354U (en) | 2014-10-08 | 2014-10-08 | For high-voltage shunt reactor winding failure Detection capacitance voltage divider arrangement |
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| CN (1) | CN204086354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405186A (en) * | 2015-07-31 | 2017-02-15 | 中国电力科学研究院 | Dual-purpose voltage divider based on standard capacitor |
-
2014
- 2014-10-08 CN CN201420579038.4U patent/CN204086354U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405186A (en) * | 2015-07-31 | 2017-02-15 | 中国电力科学研究院 | Dual-purpose voltage divider based on standard capacitor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |