CN203414528U - Apparatus for live-line testing of reactance values of parallel-connected reactors - Google Patents
Apparatus for live-line testing of reactance values of parallel-connected reactors Download PDFInfo
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- CN203414528U CN203414528U CN201320378586.6U CN201320378586U CN203414528U CN 203414528 U CN203414528 U CN 203414528U CN 201320378586 U CN201320378586 U CN 201320378586U CN 203414528 U CN203414528 U CN 203414528U
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- insulation box
- current transformer
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- transformer
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 238000009413 insulation Methods 0.000 claims abstract description 35
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 235000019633 pungent taste Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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Abstract
The utility model discloses an apparatus for live-line testing of reactance values of parallel-connected reactors. The apparatus comprises an insulation box body. The insulation box body is provided with an insulation clamping seat for storing an impedance tester thereon; the insulation box body is internally provided with a current transformer and a voltage transformer; the corresponding output ports of the current transformer and the voltage transformer are provided with indicating lamps; the upper portion of the insulation box body is provided with a temperature sensor; and the insulation box body is provided with a lead storage grid. According to the utility model, the insulation clamping seat is arranged so as to facilitate the taking and placing of the impedance tester, the reactance value (a secondary value) of equipment at operation voltage is tested, and a reactor reactance value (a primary value) is obtained through conversion according to the change of a 500 kV reactor thimble tube current transformer and a 500 kV voltage transformer such that the measuring is accurate, the precision is high, and the implementation is simple and easy, operation states can be well indicated, certain illumination effects are exhibited, and wire mixing can be effectively prevented. Therefore, the apparatus provided by the utility model has the advantages of simple structure and convenient operation, thereby being worthy of wide popularization and application.
Description
Technical field
The utility model relates to shunt reactor technical field, particularly a kind of device of live testing shunt reactor reactance value.
Background technology
500kV shunt reactor is generally connected between the end and ground of ultra high-tension transmission line, for suppressing switching overvoltage, system plays great function, and provide reactive-load compensation for system, in normal routine test, should carry out reactance value test, use current voltmeter method to test, because the reactance value of high voltage reactor is non-linear, when using low voltage experiment, reactor excitation is in excitation curve ascent stage, data are unstable and variant with actual motion and delivery test data, and test under boosted voltage, experiment power supply off-capacity highlights, and after using the equipment that boosts, need more high voltage measuring equipment, as current-voltage transformer, equipment investment is many, financial pressure is large, wiring complex, be easy to occur sleet jump, therefore need the simple and easy to do proving installation in a kind of scene badly.CN 201985536 U disclose a kind of Intelligent parallel reactor, at magnet controlled reactor Inside coil head end, current transformer is installed, outside installation voltage transformer (VT) also connects the microcomputer protecting device in intelligent assembly, at the outside excitation case of installing of magnet controlled reactor, its trigger pip offers the controller in intelligent assembly, at the outside miniature oil pump of installing of magnet controlled reactor, oil sample in magnet controlled reactor is offered to the oil dissolved gas on-Line Monitor Device in intelligent assembly, at the outside vibration transducer of installing of magnet controlled reactor, its signal is offered to the vibration detection device in intelligent assembly, at the outside punching coupling type current transformer of installing of magnet controlled reactor, its signal is offered to local discharge test device and the ground current on-Line Monitor Device of intelligent assembly.Intelligent shunt reactor has improved equipment reliability of operation and security, has realized status visualization, but its complex structure, and larger for shunt reactor transformation itself, cost is higher, is not easy to generally promote the use of.
Utility model content
The purpose of this utility model is to address the above problem, and provides a kind of simple to operate, and the device of live testing shunt reactor reactance value safely and effectively.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of device of live testing shunt reactor reactance value, it comprises insulation box body, the insulation clamping seat of impedance instrument is deposited in the setting of described insulation box body, in described insulation box body, current transformer and voltage transformer (VT) are set, the corresponding output port of described current transformer and voltage transformer (VT) position arranges pilot lamp.
Described insulation box body top set temperature sensor.
Described insulation box body arranges wire and deposits grid.
Described current transformer is set to thimble tube, and described Current Transformer Secondary terminal board is selected 0.2 grade of current terminal.
Described voltage transformer secondary terminal board is selected 0.5 step voltage terminal.
The utility model arranges the insulation clamping seat of depositing impedance instrument on described insulation box body, conveniently take and place impedance instrument, reactance value (two sub-values) under can convenient testing apparatus working voltage, in described insulation box body, current transformer and voltage transformer (VT) are set, described Current Transformer Secondary terminal board is selected 0.2 grade of current terminal; Described voltage transformer secondary terminal board is selected 0.5 step voltage terminal, voltage and electric current are introduced to test macro, according to the no-load voltage ratio of 500kV reactor bushing type current transformer and 500kV voltage transformer (VT), be that equipment fixed value converts, draw reactor reactance value (sub-value), measurement data accurately, measuring accuracy is higher than the measuring accuracy under low-voltage, and more simple and easy to do than the method for testing having a power failure under the boosted voltage carrying out; At described current transformer and the corresponding output port of voltage transformer (VT) position, pilot lamp is set, can observes well described current transformer and voltage transformer (VT) running status, and have certain illuminating effect, can effectively prevent that sleet jump from occurring; Described insulation box body top set temperature sensor, is used for measuring environment temperature, and runtime environment temperature is not during higher than 40 ℃, at this moment shell hand is touched without hotness, and test can effectively be carried out, and described insulation box body arranges wire and deposits grid, can normative testing, easy to use.This use is novel owing to no longer needing outaged equipment, has guaranteed that user security stablizes electricity consumption, has reduced economic loss, and measuring accuracy is high, and has saved equipment expenses, has very great economic significance.
The utility model is simple in structure, easy and simple to handle, and work efficiency is high, is worth generally promoting and using.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of device of live testing shunt reactor reactance value, it comprises insulation box body 1, described insulation box body 1 arranges the insulation clamping seat 2 of depositing impedance instrument, current transformer 3 and voltage transformer (VT) 4 are set in described insulation box body, and described current transformer 3 and the corresponding output port of voltage transformer (VT) 4 position arrange pilot lamp 5; Described insulation box body 1 top set temperature sensor 6; Described insulation box body 1 arranges wire and deposits grid 7.
Described current transformer 3 is set to thimble tube, and described current transformer 3 secondary terminal boxes are selected 0.2 grade of current terminal.
Described voltage transformer (VT) 4 secondary terminal boxes are selected 0.5 step voltage terminal.
The utility model arranges the insulation clamping seat of depositing impedance instrument on described insulation box body, conveniently take and place impedance instrument, reactance value (two sub-values) under can convenient testing apparatus working voltage, in described insulation box body, current transformer and voltage transformer (VT) are set, described Current Transformer Secondary terminal board is selected 0.2 grade of current terminal; Described voltage transformer secondary terminal board is selected 0.5 step voltage terminal, and voltage and electric current are introduced to test macro, for guaranteeing the accuracy of test, requires electric current wiring should be not less than 4mm
2length is less than 50m, according to the no-load voltage ratio of 500kV reactor bushing type current transformer and 500kV voltage transformer (VT), be that equipment fixed value converts, draw reactor reactance value (sub-value), measurement data accurately, measuring accuracy is higher than the measuring accuracy under low-voltage, and more simple and easy to do than the method for testing having a power failure under the boosted voltage carrying out; At described current transformer and the corresponding output port of voltage transformer (VT) position, pilot lamp is set, can observes well described current transformer and voltage transformer (VT) running status, and have certain illuminating effect, can effectively prevent that sleet jump from occurring; Described insulation box body top set temperature sensor, is used for measuring environment temperature, and runtime environment temperature is not during higher than 40 ℃, at this moment shell hand is touched without hotness, and test can effectively be carried out, and described insulation box body arranges wire and deposits grid, can normative testing, easy to use.The utility model is owing to no longer needing outaged equipment, guaranteed that user security stablizes electricity consumption, reduced economic loss, and measuring accuracy is high, and has saved equipment expenses, has very great economic significance.The utility model is simple in structure, easy and simple to handle, and work efficiency is high, is worth generally promoting and using.
Claims (5)
1. the device of a live testing shunt reactor reactance value, it comprises insulation box body, it is characterized in that: the insulation clamping seat of impedance instrument is deposited in the setting of described insulation box body, in described insulation box body, current transformer and voltage transformer (VT) are set, the corresponding output port of described current transformer and voltage transformer (VT) position arranges pilot lamp.
2. the device of live testing shunt reactor reactance value as claimed in claim 1, is characterized in that: described insulation box body top set temperature sensor.
3. the device of live testing shunt reactor reactance value as described in claim 1 or 2, is characterized in that: described insulation box body arranges wire and deposits grid.
4. the device of live testing shunt reactor reactance value as claimed in claim 1, is characterized in that: described current transformer is set to thimble tube, and described Current Transformer Secondary terminal board is selected 0.2 grade of current terminal.
5. the device of live testing shunt reactor reactance value as claimed in claim 1, is characterized in that: described voltage transformer secondary terminal board is selected 0.5 step voltage terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320378586.6U CN203414528U (en) | 2013-06-28 | 2013-06-28 | Apparatus for live-line testing of reactance values of parallel-connected reactors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320378586.6U CN203414528U (en) | 2013-06-28 | 2013-06-28 | Apparatus for live-line testing of reactance values of parallel-connected reactors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203414528U true CN203414528U (en) | 2014-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320378586.6U Expired - Fee Related CN203414528U (en) | 2013-06-28 | 2013-06-28 | Apparatus for live-line testing of reactance values of parallel-connected reactors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203414528U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345218A (en) * | 2014-10-16 | 2015-02-11 | 广东电网有限责任公司电力科学研究院 | Reactance value measurement system and method for three-phase reactor |
| CN109444550A (en) * | 2018-12-27 | 2019-03-08 | 东莞市誉铭新精密技术股份有限公司 | A kind of impedance instrument |
-
2013
- 2013-06-28 CN CN201320378586.6U patent/CN203414528U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345218A (en) * | 2014-10-16 | 2015-02-11 | 广东电网有限责任公司电力科学研究院 | Reactance value measurement system and method for three-phase reactor |
| CN104345218B (en) * | 2014-10-16 | 2016-05-11 | 广东电网有限责任公司电力科学研究院 | Three-phase reactor reactance value measuring system and method |
| CN109444550A (en) * | 2018-12-27 | 2019-03-08 | 东莞市誉铭新精密技术股份有限公司 | A kind of impedance instrument |
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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 |
Granted publication date: 20140129 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |