CN106597112A - Test equipment and test method thereof for testing impulse grounding resistance of transmission line pole type tower - Google Patents
Test equipment and test method thereof for testing impulse grounding resistance of transmission line pole type tower Download PDFInfo
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- CN106597112A CN106597112A CN201610930973.4A CN201610930973A CN106597112A CN 106597112 A CN106597112 A CN 106597112A CN 201610930973 A CN201610930973 A CN 201610930973A CN 106597112 A CN106597112 A CN 106597112A
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 230000005540 biological transmission Effects 0.000 title claims abstract description 41
- 238000010998 test method Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 14
- 230000035939 shock Effects 0.000 claims description 31
- 239000011159 matrix material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002274 desiccant Substances 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 3
- 239000002360 explosive Substances 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 2
- 230000005611 electricity Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000006121 base glass Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
- G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention provides test equipment for testing the impulse grounding resistance of a transmission line pole type tower. The equipment comprises a resistance testing equipment body used for testing the grounding resistance of a transmission line pole type tower and calculating an impulse grounding resistance according to an impact coefficient; a plurality of humidity detection devices arranged 1 meter under the ground below the transmission line pole type tower; a plurality of temperature detection devices arranged 0.8 meter under the ground below the transmission line pole type tower; and a plurality of magnetic field detection probes arranged on the housing of the resistance testing equipment body. According to the technical scheme of the invention, the test equipment is simple in structure and low in cost, which can be adjusted adaptively according to different environmental parameters. Meanwhile, the invention provides a test method for testing the impulse grounding resistance of the transmission line pole type tower. Based on the method, different impulse grounding resistances can be calculated according to different environmental parameters. Therefore, the impulse grounding resistance of the transmission line pole type tower can be timely monitored and accurately measured.
Description
Technical field
The invention belongs to field of power transmission.It is more particularly related to a kind of shock ground resistance of transmission line tower
Test device and its method.
Background technology
When dash current flows through earthing or grounding means, it is assumed that earthing or grounding means above earth potential peak value flows into electricity in ground with by grounding body
The ratio of stream is impulse earthed resistance, and because impulse earthed resistance measures inaccurate, big face is often caused due to thunderbolt
Product has a power failure and casualties, therefore the accurate measurement of electric line Tower Impulse Grounding Resistance is particularly important, it is ensured that neighbouring people
The safety of member and the stable operation of transmission line of electricity system.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that at least will be described later.
Above-mentioned in order to solve the problems, such as, the present invention proposes a kind of shock ground resistance of transmission line tower test device, its
Including：
Resistance testing device body, it is used to measure the earth resistance of electric power line pole tower, and is calculated according to impact coefficient
Draw impulse earthed resistance；
Multiple humidity detectors, it is arranged on 1 meter of the below ground of the lower section of the electric power line pole tower；
Multiple temperature-detecting devices, it is arranged on 0.8 meter of the below ground of the lower section of the electric power line pole tower；
With multiple magnetic field detections probe, it is arranged on the shell of the resistance testing device body.
Preferably, in described shock ground resistance of transmission line tower test device, multiple humidity detector edges
The length direction uniform intervals for the ground connection ray steel body of the grounding body of electric power line pole tower are arranged.
Preferably, in described shock ground resistance of transmission line tower test device, multiple temperature-detecting devices are in
Circular distribution around the grounding body, and apart from grounding body 0.5m.
Preferably, in described shock ground resistance of transmission line tower test device, each magnetic field detection probe is outer
It is provided with a seal casinghousing.
Preferably, in described shock ground resistance of transmission line tower test device, the seal casinghousing by interior and
Include outward being filled with molecular sieve desiccant in ceramic matrix, hollow cavity and shell, the hollow cavity, the shell is by setting
Aliphatic radical glass fiber compound material is made.
Preferably, in described shock ground resistance of transmission line tower test device, the seal casinghousing is rectangular
Build hollow housing, is internally provided with the receiving space for accommodating the magnetic field detection probe.
Preferably, described shock ground resistance of transmission line tower test device also includes a controller, and it is used for
Receive temperature value that the humidity value, multiple temperature-detecting devices that multiple humidity detectors transmit transmit and multiple magnetic field detections are visited
The field strength values that head is transmitted, and its mean value is calculated respectively, and impact coefficient, Jin Erji are drawn according to the size of mean value
Calculation obtains impulse earthed resistance.
The present invention also provides a kind of shock ground resistance of transmission line tower method of testing, and it is comprised the following steps：
Obtain the grounding resistance of electric power line pole tower；
Current ambient parameter is obtained, and corresponding impact coefficient is transferred from database according to the ambient parameter, while
Impulse earthed resistance is calculated according to the impact coefficient and grounding resistance, wherein,
Ambient parameter includes humidity value, temperature value and field strength values, and the multiple humidity detectors for receiving are passed
The field strength values difference that humidity value, the temperature value that transmits of multiple temperature-detecting devices and the multiple magnetic field detections probe for coming is transmitted
Calculate its mean value.
Preferably, in described shock ground resistance of transmission line tower method of testing, prestore in database
There is an ambient parameter table corresponding with impact coefficient, impact coefficient=humidity value * temperature value * field strength values * standard impulse coefficients/
Traditional humidity value/ordinary temperature value/standard Magnetic Field intensity, the traditional humidity value is 65%；The ordinary temperature value is 25 DEG C.
The present invention proposes a kind of shock ground resistance of transmission line tower test device, and it includes：Resistance testing device sheet
Body, it is used to measure the earth resistance of electric power line pole tower, and calculates impulse earthed resistance according to impact coefficient；It is multiple wet
Degree detection means, it is arranged on 1 meter of the below ground of the lower section of the electric power line pole tower；Multiple temperature-detecting devices, it sets
Put 0.8 meter of the below ground in the lower section of the electric power line pole tower；With multiple magnetic field detections probe, it is arranged on the resistance
On the shell of test device body.The shock ground resistance of transmission line tower test device simple structure that the present invention is provided, into
This is low, and can carry out adaptive adjustment according to different ambient parameters.The present invention proposes a kind of electric power line pole tower punching
Method of Testing Earth-Contact Resistance is hit, different impulse earthed resistances can be calculated according to different ambient parameters, can be supervised in real time
Survey and accurately measure the impulse earthed resistance of electric power line pole tower.
The further advantage of the present invention, target and feature embody part by description below, and part will also be by this
The research of invention and practice and be understood by the person skilled in the art.
Description of the drawings
The structural representation of the shock ground resistance of transmission line tower test device that Fig. 1 is provided for the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that it is used herein such as " have ", "comprising" and " including " term do not allot one or many
The presence or addition of individual other elements or its combination.
As shown in figure 1, the present invention proposes a kind of shock ground resistance of transmission line tower test device, it includes：
Resistance testing device body 1, it is used to measure the earth resistance of electric power line pole tower, and is calculated according to impact coefficient
Draw impulse earthed resistance；
Multiple humidity detectors 3, it is arranged on 1 meter of the below ground of the lower section of the electric power line pole tower；
Multiple temperature-detecting devices 2, it is arranged on 0.8 meter of the below ground of the lower section of the electric power line pole tower；
With multiple magnetic field detections probe 4, it is arranged on the shell of the resistance testing device body 1.
In described shock ground resistance of transmission line tower test device, multiple humidity detectors 3 are along power transmission line
The length direction uniform intervals of the ground connection ray steel body of the grounding body of line pole tower are arranged.
In described shock ground resistance of transmission line tower test device, the rounded distribution of multiple temperature-detecting devices 2
Around the grounding body, and apart from grounding body 0.5m.
In described shock ground resistance of transmission line tower test device, outside each magnetic field detection probe 4 one is provided with
Seal casinghousing.
In described shock ground resistance of transmission line tower test device, the seal casinghousing includes from inside to outside ceramics
Molecular sieve desiccant is filled with matrix, hollow cavity and shell, the hollow cavity, the shell is by resin base glass fibers
Dimension composite is made.
In described shock ground resistance of transmission line tower test device, the seal casinghousing is cuboid-type hollow shell
Body, is internally provided with the receiving space for accommodating the magnetic field detection probe.
The present invention also provides a kind of shock ground resistance of transmission line tower method of testing, and it is comprised the following steps：
Obtain the grounding resistance of electric power line pole tower；
Current ambient parameter is obtained, and corresponding impact coefficient is transferred from database according to the ambient parameter, while
Impulse earthed resistance is calculated according to the impact coefficient and grounding resistance, wherein,
Ambient parameter includes humidity value, temperature value and field strength values, and the multiple humidity detectors for receiving are passed
The field strength values difference that humidity value, the temperature value that transmits of multiple temperature-detecting devices and the multiple magnetic field detections probe for coming is transmitted
Calculate its mean value.
In described shock ground resistance of transmission line tower method of testing, environment ginseng is previously stored with database
Number table corresponding with impact coefficient, impact coefficient=humidity value * temperature value * field strength values * standard impulse coefficients/traditional humidity
Value/ordinary temperature value/standard Magnetic Field intensity, the traditional humidity value is 65%；The ordinary temperature value is 25 DEG C.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and embodiment
With, it can be applied to completely various suitable the field of the invention, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (9)
1. shock ground resistance of transmission line tower test device, it is characterised in that include：
Resistance testing device body, it is used to measure the earth resistance of electric power line pole tower, and is calculated according to impact coefficient
Impulse earthed resistance；
Multiple humidity detectors, it is arranged on 1 meter of the below ground of the lower section of the electric power line pole tower；
Multiple temperature-detecting devices, it is arranged on 0.8 meter of the below ground of the lower section of the electric power line pole tower；
With multiple magnetic field detections probe, it is arranged on the shell of the resistance testing device body.
2. shock ground resistance of transmission line tower test device as claimed in claim 1, it is characterised in that multiple humidity inspections
Survey device to arrange along the length direction uniform intervals of the ground connection ray steel body of the grounding body of electric power line pole tower.
3. shock ground resistance of transmission line tower test device as claimed in claim 2, it is characterised in that multiple temperature inspections
Survey that device is rounded is distributed in around the grounding body, and apart from grounding body 0.5m.
4. shock ground resistance of transmission line tower test device as claimed in claim 1, it is characterised in that each magnetic field inspection
A seal casinghousing is provided with outside probing head.
5. shock ground resistance of transmission line tower test device as claimed in claim 4, it is characterised in that the capsul
Body includes being filled with molecular sieve desiccant in ceramic matrix, hollow cavity and shell, the hollow cavity from inside to outside, described
Shell is made up of Matrix Fiberglass Composite Explosive.
6. shock ground resistance of transmission line tower test device as claimed in claim 5, it is characterised in that the capsul
Body is cuboid-type hollow housing, is internally provided with the receiving space for accommodating the magnetic field detection probe.
7. shock ground resistance of transmission line tower test device as claimed in claim 1, it is characterised in that also including a control
Device processed, it is used to receiving the humidity value that multiple humidity detectors transmit, the temperature value that multiple temperature-detecting devices are transmitted and many
The field strength values that individual magnetic field detection probe is transmitted, and its mean value is calculated respectively, and punching is drawn according to the size of mean value
Coefficient is hit, and then is calculated impulse earthed resistance.
8. as described in any one of claim 1 to 7 shock ground resistance of transmission line tower test device method of testing, it is special
Levy and be, comprise the following steps：
Obtain the grounding resistance of electric power line pole tower；
Current ambient parameter is obtained, and corresponding impact coefficient is transferred from database according to the ambient parameter, while basis
The impact coefficient and grounding resistance calculate impulse earthed resistance, wherein,
Ambient parameter includes humidity value, temperature value and field strength values, and the multiple humidity detectors for receiving are transmitted
The field strength values that the temperature value and multiple magnetic field detections probe that humidity value, multiple temperature-detecting devices are transmitted is transmitted are calculated respectively
Go out its mean value.
9. shock ground resistance of transmission line tower method of testing as claimed in claim 8, it is characterised in that in database
It is previously stored with ambient parameter table corresponding with impact coefficient, impact coefficient=humidity value * temperature value * field strength values * standards
Impact coefficient/traditional humidity value/ordinary temperature value/standard Magnetic Field intensity, the traditional humidity value is 65%；The ordinary temperature
It is worth for 25 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930973.4A CN106597112B (en) | 2016-10-31 | 2016-10-31 | Shock ground resistance of transmission line tower test device and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930973.4A CN106597112B (en) | 2016-10-31 | 2016-10-31 | Shock ground resistance of transmission line tower test device and its method |
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| Publication Number | Publication Date |
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| CN106597112A true CN106597112A (en) | 2017-04-26 |
| CN106597112B CN106597112B (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610930973.4A Active CN106597112B (en) | 2016-10-31 | 2016-10-31 | Shock ground resistance of transmission line tower test device and its method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646095A (en) * | 2018-05-10 | 2018-10-12 | 杭州顿恒科技有限公司 | A kind of ground resistance remote online monitoring system and monitoring method |
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| KR20070046645A (en) * | 2005-10-31 | 2007-05-03 | 한국전력공사 | Measurement method of grounding resistance of transmission towers in an energized transmission line system |
| JP2009209351A (en) * | 2008-02-05 | 2009-09-17 | Toray Ind Inc | Biaxially oriented film |
| CN101615497A (en) * | 2009-05-20 | 2009-12-30 | 北京华电云通电力技术有限公司 | The integral connecting structure of transformer and current sensor |
| CN101650389A (en) * | 2009-08-11 | 2010-02-17 | 国网电力科学研究院武汉南瑞有限责任公司 | Method and instrument for measuring shock ground resistance of transmission line tower |
| CN102928673A (en) * | 2012-10-25 | 2013-02-13 | 清华大学 | Method for acquiring impulse grounding resistance |
| CN103647270A (en) * | 2013-12-13 | 2014-03-19 | 国家电网公司 | +/-800 kV extra high voltage DC line grounding arrangement method and system |
| CN103792433A (en) * | 2014-02-21 | 2014-05-14 | 国家电网公司 | Measuring method using spark coefficient for correcting low-amplitude value impact resistance of tower grounding device |
| CN104569608A (en) * | 2014-12-12 | 2015-04-29 | 国家电网公司 | Method for measuring impact grounding impedance on site based on large impact current |
| CN104749443A (en) * | 2013-12-31 | 2015-07-01 | 孙巍巍 | Measuring device for grounding resistance |
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2016
- 2016-10-31 CN CN201610930973.4A patent/CN106597112B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070046645A (en) * | 2005-10-31 | 2007-05-03 | 한국전력공사 | Measurement method of grounding resistance of transmission towers in an energized transmission line system |
| JP2009209351A (en) * | 2008-02-05 | 2009-09-17 | Toray Ind Inc | Biaxially oriented film |
| CN101615497A (en) * | 2009-05-20 | 2009-12-30 | 北京华电云通电力技术有限公司 | The integral connecting structure of transformer and current sensor |
| CN101650389A (en) * | 2009-08-11 | 2010-02-17 | 国网电力科学研究院武汉南瑞有限责任公司 | Method and instrument for measuring shock ground resistance of transmission line tower |
| CN102928673A (en) * | 2012-10-25 | 2013-02-13 | 清华大学 | Method for acquiring impulse grounding resistance |
| CN103647270A (en) * | 2013-12-13 | 2014-03-19 | 国家电网公司 | +/-800 kV extra high voltage DC line grounding arrangement method and system |
| CN104749443A (en) * | 2013-12-31 | 2015-07-01 | 孙巍巍 | Measuring device for grounding resistance |
| CN103792433A (en) * | 2014-02-21 | 2014-05-14 | 国家电网公司 | Measuring method using spark coefficient for correcting low-amplitude value impact resistance of tower grounding device |
| CN104569608A (en) * | 2014-12-12 | 2015-04-29 | 国家电网公司 | Method for measuring impact grounding impedance on site based on large impact current |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108646095A (en) * | 2018-05-10 | 2018-10-12 | 杭州顿恒科技有限公司 | A kind of ground resistance remote online monitoring system and monitoring method |
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| CN106597112B (en) | 2019-04-02 |
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Effective date of registration: 20190215 Address after: Room A-B102-785, 198 Kaidi Road, Xiaoshan Economic and Technological Development Zone, Hangzhou, Zhejiang Province, 311200 Applicant after: Hangzhou Xiao Nan science and Technology Co Ltd Address before: No. 160 Jinji Road, Lianzhou Town, Hepu County, Beihai City, Guangxi Zhuang Autonomous Region Applicant before: Luo Yunfeng |
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Effective date of registration: 20191217 Address after: 510220, victory Street, No. 38 Jiangnan Road, Guangzhou, Guangdong, Haizhuqu District Patentee after: Guangzhou Power Engineering Design Institute Co., Ltd. Address before: Room A-B102-785, 198 Kaidi Road, Xiaoshan Economic and Technological Development Zone, Hangzhou, Zhejiang Province, 311200 Patentee before: Hangzhou Xiao Nan science and Technology Co Ltd |