CN204347198U - Insulator Leakage Current signal measures system - Google Patents
Insulator Leakage Current signal measures system Download PDFInfo
- Publication number
- CN204347198U CN204347198U CN201520042434.8U CN201520042434U CN204347198U CN 204347198 U CN204347198 U CN 204347198U CN 201520042434 U CN201520042434 U CN 201520042434U CN 204347198 U CN204347198 U CN 204347198U
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- China
- Prior art keywords
- insulator
- leakage current
- current signal
- power module
- resistance
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- Expired - Fee Related
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- 239000012212 insulator Substances 0.000 title claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Insulators (AREA)
- Testing Relating To Insulation (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a kind of insulator Leakage Current signal and measure system, it comprises power module, insulator, moist chambers, detect resistance and harvester, this insulator is placed in this moist chambers, the output terminal of this power module is connected in series this insulator successively and detects resistance, this harvester also connects the magnitude of voltage that these detection resistance two ends also can obtain these resistance two ends, the various extraneous running environment humidity condition of the utility model analog insulation, the voltage at the detection resistance two ends obtained under different running environment humidity by this harvester reflects this insulator leakage of current situation, and then for reflecting that the insulating property of this insulator provide reliable basis.
Description
Technical field
The utility model relates to a kind of insulator Leakage Current signal and measures system.
Background technology
Rarefaction of air on high mountain, fog is large sooner or later, and on high mountain, the insulating property of the insulator that the insulating property of the insulator that transmission line of electricity hangs hang compared with transmission line of electricity on level land are low.If the outer surface of insulator dust stratification that on high mountain, transmission line of electricity hangs is serious, under the effect of fog condensation, the thin fluid capacitance under water of outer surface of insulator easily causes insulator dielectric hydraulic performance decline, insulator dielectric can be caused to puncture, cause transmission line of electricity short circuit trip accident time serious.Therefore, develop a kind of insulator Leakage Current signal and measure system, the insulator dielectric performance under the different running environment humidity of accurate analysis, for diagnostic analysis insulator dielectric performance provides reliable basis to have very important practical engineering value.
Utility model content
The utility model provides a kind of insulator Leakage Current signal and measures system, which overcomes the deficiencies in the prior art described in background technology.
The utility model solves the technical scheme that its technical matters adopts:
Insulator Leakage Current signal measures system, it comprises power module, insulator, moist chambers, detection resistance and harvester, this insulator is placed in this moist chambers, the output terminal of this power module is connected in series this insulator successively and detects resistance, and this harvester also connects the magnitude of voltage that these detection resistance two ends also can obtain these resistance two ends.
Among one embodiment: this power module comprises a pressure regulator and transformer, the input termination low-tension supply of this pressure regulator exports, the primary side of the output termination transformer of this pressure regulator, and the secondary side of this transformer is as the output terminal of this power module.
Among one embodiment: also comprise a capacitive divider and measurement mechanism, this capacitive divider can be attempted by the output terminal of this power module, and measurement mechanism connects this capacitive divider and can obtain and show the partial pressure value on this capacitive divider.
Among one embodiment: also comprise a protective resistance, this protective resistance is serially connected in the cathode output end of this power module.
Among one embodiment: be provided with a wall bushing, this wall bushing is fixed on this fog locular wall, and the serial connection wire be arranged in outside this moist chambers is passed by this wall bushing and connects the insulator of moist chambers.
Among one embodiment: this measurement mechanism is voltage table.
Among one embodiment: this wall bushing is porcelain bushing, hollow columnar.
The technical program is compared with background technology, and its tool has the following advantages:
Insulator Leakage Current signal measures system and comprises power module, insulator, moist chambers, detect resistance and harvester, this insulator is placed in this moist chambers, the output terminal of this power module is connected in series this insulator successively and detects resistance, this harvester also connects the magnitude of voltage that these detection resistance two ends also can obtain these resistance two ends, the various extraneous running environment humidity condition of the utility model analog insulation, the voltage at the detection resistance two ends obtained under different running environment humidity by this harvester reflects this insulator leakage of current situation, and then for reflecting that the insulating property of this insulator provide reliable basis.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 depicts the circuit system figure that insulator Leakage Current signal described in the utility model measures system.
Embodiment
Please refer to Fig. 1, insulator Leakage Current signal measures system, and it comprises power module 10, insulator 20, moist chambers 30, detects resistance 40, harvester 50, capacitive divider 60, measurement mechanism 70 and protective resistance 80.
This power module 10 comprises a pressure regulator 11 and transformer 12, the input termination low-tension supply (380V AC power) of this pressure regulator 11 exports, the primary side of the output termination transformer 12 of this pressure regulator 11, the secondary side of this transformer 12 is as the output terminal of this power module 10.
This insulator 20 is placed in this moist chambers, the output terminal of this power module 10 is connected in series this insulator 20 successively and detects resistance 40, this harvester 50 also connects the magnitude of voltage that these detection resistance 40 two ends also can obtain these resistance 40 two ends, this magnitude of voltage equals insulator 20 Leakage Current and the product detecting resistance 40 resistance, and harvester 50 analyzes insulator 20 Leakage Current composition by the voltage component analyzing these detection resistance 40 two ends.This capacitive divider 60 can be attempted by the output terminal of this power module 10, and measurement mechanism 70 connects the centre tap of this capacitive divider 60 and can obtain and show the partial pressure value on this capacitive divider 60.In the present embodiment, this measurement mechanism 70 is voltage table, by the output voltage of this power module 10 of displayed value real time monitoring of this voltage table, in practical application, voltage table voltage can be obtained the voltage of this transformer 12 high-pressure side output terminal divided by this capacitive divider 60 intrinsic standoff ratio, and pressure regulator 11 can be regulated according to this voltage table displayed value, thus change the output voltage of power module 10.
This protective resistance 80 is serially connected in the cathode output end of this power module 10, and when this protective resistance 80 two ends institute making alive is greater than its rated withstand voltage, this protective resistance 80 will fuse, and is kept apart in insulator 20 and transformer 12 output terminal high-pressure side; When protective resistance 80 two ends institute making alive is less than its rated withstand voltage, then this protective resistance 80 short circuit.
Best; be provided with a wall bushing 90; this wall bushing 90 is fixed on this moist chambers 30 wall; the serial connection wire be arranged in outside this moist chambers 30 is passed by this wall bushing 90 and connects the insulator 20 of moist chambers 30; to protect through walls section of this serial connection wire from damage; in the present embodiment, this wall bushing 90 is porcelain bushing, hollow columnar.
Mist degree in moist chambers 30 described in the utility model is adjustable, with the humidity condition of analog insulation 20 extraneous running environment.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (7)
1. insulator Leakage Current signal measures system, it is characterized in that: comprise power module, insulator, moist chambers, detection resistance and harvester, this insulator is placed in this moist chambers, the output terminal of this power module is connected in series this insulator successively and detects resistance, and this harvester also connects the magnitude of voltage that these detection resistance two ends also can obtain these resistance two ends.
2. insulator Leakage Current signal according to claim 1 measures system, it is characterized in that: this power module comprises a pressure regulator and transformer, the input termination low-tension supply of this pressure regulator exports, the primary side of the output termination transformer of this pressure regulator, the secondary side of this transformer is as the output terminal of this power module.
3. insulator Leakage Current signal according to claim 1 and 2 measures system, it is characterized in that: also comprise a capacitive divider and measurement mechanism, this capacitive divider can be attempted by the output terminal of this power module, and measurement mechanism connects this capacitive divider and can obtain and show the partial pressure value on this capacitive divider.
4. insulator Leakage Current signal according to claim 1 and 2 measures system, and it is characterized in that: also comprise a protective resistance, this protective resistance is serially connected in the cathode output end of this power module.
5. insulator Leakage Current signal according to claim 1 and 2 measures system, it is characterized in that: be provided with a wall bushing, this wall bushing is fixed on this fog locular wall, and the serial connection wire be arranged in outside this moist chambers is passed by this wall bushing and connects the insulator of moist chambers.
6. insulator Leakage Current signal according to claim 3 measures system, it is characterized in that: this measurement mechanism is voltage table.
7. insulator Leakage Current signal according to claim 5 measures system, it is characterized in that: this wall bushing is porcelain bushing, hollow columnar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042434.8U CN204347198U (en) | 2015-01-21 | 2015-01-21 | Insulator Leakage Current signal measures system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042434.8U CN204347198U (en) | 2015-01-21 | 2015-01-21 | Insulator Leakage Current signal measures system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204347198U true CN204347198U (en) | 2015-05-20 |
Family
ID=53230459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520042434.8U Expired - Fee Related CN204347198U (en) | 2015-01-21 | 2015-01-21 | Insulator Leakage Current signal measures system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204347198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569767A (en) * | 2015-01-21 | 2015-04-29 | 国家电网公司 | Leakage current signal acquisition system of insulator |
| CN105301361A (en) * | 2015-09-16 | 2016-02-03 | 国网辽宁省电力有限公司锦州供电公司 | Transmission line insulation resistance measurement method under strong interference |
-
2015
- 2015-01-21 CN CN201520042434.8U patent/CN204347198U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569767A (en) * | 2015-01-21 | 2015-04-29 | 国家电网公司 | Leakage current signal acquisition system of insulator |
| CN105301361A (en) * | 2015-09-16 | 2016-02-03 | 国网辽宁省电力有限公司锦州供电公司 | Transmission line insulation resistance measurement method under strong interference |
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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: 20150520 Termination date: 20220121 |