CN102901897B - Aerial condutor test method for energy consumption - Google Patents
Aerial condutor test method for energy consumption Download PDFInfo
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- CN102901897B CN102901897B CN201210392234.6A CN201210392234A CN102901897B CN 102901897 B CN102901897 B CN 102901897B CN 201210392234 A CN201210392234 A CN 201210392234A CN 102901897 B CN102901897 B CN 102901897B
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- test lead
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 26
- 238000010998 test method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 88
- 239000004020 conductor Substances 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000004087 circulation Effects 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of aerial condutor test method for energy consumption, it is characterized in that comprising the following steps: 1) Selection experiment wire; 2) temperature probe is fastened on test lead; 3) at potential test point, copper single line is installed; 4) current transformer and reometer is connect; 5) tested wire to be arranged on tension tester and to load; 6) be electrically connected; 7) be energized to test loop; 8) measure and record the energy consumption P of test current, conductor temperature and conductor
l; 9) power-off cooling, revision test twice; The mean value of 10 calculating test lead energy consumption 3 secondary data.Test method of the present invention, can be deep into quantitative aspect by the energy consumption characteristics research of aerial condutor, can provide necessary reference data for the type selecting of aerial condutor in the optimal design of the aerial condutor of manufacturing enterprise and electrical network.
Description
Technical field
The present invention relates to technical field of measurement and test, particularly relate to the electric energy loss field tests of electric energy transfer unit, specifically the integrated test facility of a kind of electric current of aerial condutor, temperature and energy consumption.
Background technology
Aerial condutor in electric line is main power equipment, is responsible for the important mission of safe power transmission.
The main artery that aerial condutor is carried as grid power, adopts steel-cored aluminium strand existing century more than one.Along with the development of material science, various types of aerial condutor arises at the historic moment, and how to evaluate the energy loss of various wire, is the problem that design and running personnel pay special attention to.Mostly pay close attention to both at home and abroad at present the analysis of experiments of its resistance, temperature rise and current-carrying capacity, the less experimental study carried out its energy consumption.
Current aerial condutor energy consumption research Problems existing is mainly reflected in: China lacks corresponding national standard in this respect, there is no the measurement mechanism of sizing and effective method of testing, energy consumption characteristics research rests in the aspect of qualitative analysis mostly, do not carry out system and comprehensively energy consumption testing fundamental research, necessary reference data cannot be provided for the optimal design of aerial condutor and type selecting, cannot comparatively objectively for electrical network provides operating cost data.
Summary of the invention
The present invention is to solve prior art Problems existing, aim to provide a kind of can accurate quantitative analysis, the ground testing jig hollow wire that gears to actual circumstances the method for testing of energy consumption.
For solving the problem, the present invention by the following technical solutions: aerial condutor test method for energy consumption, is characterized in that comprising the following steps:
1) select any surface finish, undamaged new line as test lead, the length of test lead is not less than 100 times of diameter of wire, and controls between 4m ~ 8m;
2) temperature probe is fastened on test lead;
3) two diameters are that 0.8mm ± 0.2mm copper single line is tight respectively by the potential test point position at test lead two ends pricks 3 ~ 4 circles, makes it and described test lead close contact;
4) test lead is passed punching current transformer, suitable no-load voltage ratio selected by current transformer, at the testing current end of Current Transformer Secondary side joint power meter; Described power counts integrated form, can show electric current, voltage, power factor and power simultaneously;
5) be arranged on tension tester by the two ends of test lead by supporting strain clamp, imposed load reaches 20% of traverse calculation pull-off force as pretension;
6) drainage plate of strain clamp is connected by copper conductor with the High-current output end of test unit;
7) test current allowing test unit send, by test loop, makes test lead temperature reach steady state (SS), constant temperature 30min;
8), after constant temperature 30min terminates, measure and record the test current of test lead, conductor temperature and conductor energy consumption P
l;
9) open test electric current, when the conductor temperature of wire to be tested is down within laboratory temperature+5 DEG C, repeats step 7) and step 8) twice;
10), after 3 circulations, the mean value of conductor energy consumption 3 secondary data of test lead is calculated;
In whole process of the test, the temperature that controls environment is between 15 DEG C ~ 25 DEG C, and during as regulated laboratory temperature with air-conditioning, the blast velocity control in laboratory is within 0.1m/s, and laboratory is without direct sunlight; Meanwhile, the impact that other magnetisable materials should be avoided test is arranged in test.
Test method of the present invention, can be deep into quantitative aspect by the energy consumption characteristics research of aerial condutor, can provide necessary reference data for the type selecting of aerial condutor in the optimal design of the aerial condutor of manufacturing enterprise and electrical network.
Therefore, under the overall situation advocating saving energy and decreasing loss, for building " resource-conserving, environmentally friendly " country, research aerial condutor method for testing energy consumption, seems very necessary and important.
As a further improvement on the present invention, in step 2) in, temperature probe teflon is coated on test lead from glutinous band, makes both combine firmly.
Further improve as of the present invention, in step 7) in, the initial stage electric current that test unit sends is 1 ~ 1.5 of test current, to reach the object be rapidly heated, accelerates experiment process.
Further improve as of the present invention, in step 9) in adopt force cooling method to make the conductor temperature of test lead be down to laboratory temperature+5 DEG C within, to shorten temperature fall time.
Accompanying drawing explanation
Fig. 1 is test lead installation diagram of the present invention.
Fig. 2 is the arrangenent diagram that current transformer is positioned at the embodiment on strain clamp.
In figure, 1-steel anchor, the 2-wire clamp of resistance to line, 3-copper single line, 4-current transformer, 5-test lead, 6-temperature probe, 7-copper single line, the 8-wire clamp of resistance to line, 9-steel anchor, 10-drainage plate, 11-drainage plate.
Embodiment
With reference to Fig. 1, aerial condutor test method for energy consumption of the present invention, carry out according to the following steps:
1) select any surface finish, undamaged new line as test lead, the length of test lead is not less than 100 times of diameter of wire, and controls between 4m ~ 8m;
2) temperature probe 6 is fastened on test lead 5;
3) in the potential test point position at test lead 5 two ends, being that 0.8mm ± 0.2mm copper single line 3,7 is tight respectively by two diameters pricks 3 ~ 4 circles, makes it and described test lead 5 close contact;
4) test lead 1 is passed punching current transformer 4, suitable no-load voltage ratio selected by current transformer 4, at the testing current end of Current Transformer Secondary side joint power meter; Described power counts integrated form, can show electric current, voltage, power factor and power simultaneously;
5) adopted at the two ends of test lead supporting strain clamp 2,8 to crimp, and be arranged on tension tester by steel anchor 1,9, imposed load reaches 20% of traverse calculation pull-off force as pretension;
6) drainage plate 10,11 of strain clamp is connected by copper conductor with the High-current output end of test unit;
7) test current allowing test unit send is by test loop, and make test lead temperature reach steady state (SS), such as in 15min, its temperature fluctuation is not more than 2 DEG C, then constant temperature 30min;
8), after constant temperature 30min terminates, measure and record the test current of test lead, conductor temperature and conductor energy consumption P
l;
9) open test electric current, when the conductor temperature of wire to be tested is down within laboratory temperature+5 DEG C, repeats step 7) and step 8) twice;
10), after 3 circulations, the mean value of conductor energy consumption 3 secondary data of test lead is calculated;
In whole process of the test, the temperature that controls environment is between 15 DEG C ~ 25 DEG C, and during as regulated laboratory temperature with air-conditioning, the blast velocity control in laboratory is within 0.1m/s, and laboratory is without direct sunlight; Meanwhile, the impact that other magnetisable materials should be avoided test is arranged in test.
With reference to Fig. 2, described current transformer 4 also can move on to strain clamp 2,8 from test lead 5 and fix, too can acquisition test current signal.
It is understood that above-described embodiment is just to explanation of the present invention, instead of limitation of the present invention, any innovation and creation do not exceeded in spirit of the present invention, all fall within protection scope of the present invention.
Claims (4)
1. aerial condutor test method for energy consumption, is characterized in that comprising the following steps:
1) select any surface finish, undamaged new line as test lead, the length of test lead is not less than 100 times of diameter of wire, and controls between 4m ~ 8m;
2) temperature probe is fastened on test lead;
3) two diameters are that 0.8mm ± 0.2mm copper single line is tight respectively by the potential test point position at test lead two ends pricks 3 ~ 4 circles, makes it and described test lead close contact;
4) test lead is passed punching current transformer, suitable no-load voltage ratio selected by current transformer, at the testing current end of Current Transformer Secondary side joint power meter; Described power counts integrated form, can show electric current, voltage, power factor and power simultaneously;
5) be arranged on tension tester by the two ends of test lead by supporting strain clamp, imposed load reaches 20% of traverse calculation pull-off force as pretension;
6) drainage plate of strain clamp is connected by copper conductor with the High-current output end of test unit;
7) test current allowing test unit send, by test loop, makes test lead temperature reach steady state (SS), constant temperature 30min;
8), after constant temperature 30min terminates, measure and record the test current of test lead, conductor temperature and conductor energy consumption;
9) open test electric current, when the conductor temperature of wire to be tested is down within laboratory temperature+5 DEG C, repeats step 7) and step 8) twice;
10), after 3 circulations, the mean value of conductor energy consumption 3 secondary data of test lead is calculated;
In whole process of the test, the temperature that controls environment is between 15 DEG C ~ 25 DEG C, and during as regulated laboratory temperature with air-conditioning, the blast velocity control in laboratory is within 0.1m/s, and laboratory is without direct sunlight; Meanwhile, the impact that other magnetisable materials should be avoided test is arranged in test.
2. aerial condutor test method for energy consumption as claimed in claim 1, is characterized in that in step 2) in, temperature probe teflon is coated on test lead from glutinous band.
3. aerial condutor test method for energy consumption as claimed in claim 1, is characterized in that in step 7) in, the initial stage electric current that test unit sends is 1 ~ 1.5 times of test current.
4., as any one aerial condutor test method for energy consumption of claim 1-3, it is characterized in that in step 9) in adopt force cooling method to make the conductor temperature of test lead be down to laboratory temperature+5 DEG C within.
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CN201210392234.6A CN102901897B (en) | 2012-10-16 | 2012-10-16 | Aerial condutor test method for energy consumption |
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CN201210392234.6A CN102901897B (en) | 2012-10-16 | 2012-10-16 | Aerial condutor test method for energy consumption |
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CN102901897B true CN102901897B (en) | 2015-11-18 |
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CN103994931A (en) * | 2014-04-10 | 2014-08-20 | 李�禾 | Grip force and breaking force test method for heat resistance conducting wire and fitting combination body at high temperature |
CN109085434A (en) * | 2016-07-08 | 2018-12-25 | 蓝龙飞 | A kind of electric system detection communication system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6441603B1 (en) * | 2001-05-03 | 2002-08-27 | Shaw Intellectual Property Holdings, Inc. | Overhead line rating monitor |
CN102118881A (en) * | 2009-12-31 | 2011-07-06 | 深圳先进技术研究院 | Monitoring device of overhead transmission lines and monitoring method |
CN102564493A (en) * | 2011-10-28 | 2012-07-11 | 江苏省电力公司连云港供电公司 | Online monitoring system for galloping of overhead power transmission line |
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JPH0618602A (en) * | 1992-07-01 | 1994-01-28 | Ngk Insulators Ltd | Fault-section orienting apparatus |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6441603B1 (en) * | 2001-05-03 | 2002-08-27 | Shaw Intellectual Property Holdings, Inc. | Overhead line rating monitor |
CN102118881A (en) * | 2009-12-31 | 2011-07-06 | 深圳先进技术研究院 | Monitoring device of overhead transmission lines and monitoring method |
CN102564493A (en) * | 2011-10-28 | 2012-07-11 | 江苏省电力公司连云港供电公司 | Online monitoring system for galloping of overhead power transmission line |
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Address after: 310015 Taizhou Road, Zhejiang, China, No. 217, No. Co-patentee after: State Grid Corporation of China Patentee after: Zhejiang Huadian inspection and Research Institute Co., Ltd. Address before: 310015 Taizhou Road, Zhejiang, China, No. 217, No. Co-patentee before: State Grid Corporation of China Patentee before: Zhejiang Huadian Equipment Inspection Institute |
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