CN103760041A - Cable set twisting test method - Google Patents
Cable set twisting test method Download PDFInfo
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- CN103760041A CN103760041A CN201410057241.XA CN201410057241A CN103760041A CN 103760041 A CN103760041 A CN 103760041A CN 201410057241 A CN201410057241 A CN 201410057241A CN 103760041 A CN103760041 A CN 103760041A
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Abstract
The invention discloses a cable set twisting test method which comprises the following steps: putting a cable set sample into an environment at the temperature not more than 20 DEC for not less than 0.5 hour; lifting the upper end of the cable set sample onto a twisting clamping device, naturally drooping the cable set sample, and fixing a position of the cable set sample with a distance of 13-14 m from a clamping point of the twisting clamping device; twisting, namely enabling a rotary wheel of the twisting clamping device to drive the cable set sample to twist forwards by 900-910 degrees and twist backwards by 900-910 degrees at a twisting speed of 16-20 degrees per minute; repeating the twisting step for 120-130 times. Therefore, the test method provided by the invention can be used for simulating the yaw cable twist part of a wind generating set, accurately checking the twisting performance of a cable set and confirming the reliability of the cable set.
Description
Technical field
The present invention relates to wireline test technical field, relate to more specifically a kind of cable assembly and turn round cable test method.
Background technology
A kind of device that aerogenerator is is electric energy by wind energy transformation, generally by tower cylinder, cabin and wind wheel, formed, tower cylinder is generally for cabin being supported to high aerial supporter, sometimes also can be by some parts, as transformer or current transformer etc. is installed in tower cylinder, in cabin, generally containing the core component of aerogenerator, as gear case and generator etc.
The energy that wind wheel absorbs will pass to by step-up gear the rotor of generator on the basis of wind speed round after speedup, make the generating of generator amature High Rotation Speed, the electric energy that generator produces in this process need to be by cable transmission to the frequency converter that is arranged in blower fan column foot, carry out rectification modulation, be finally input to electrical network.
Yet, because yaw maneuver need to need to be carried out to wind in cabin, therefore all cables from cabin to column foot are being can produce to reverse by driftage operating part.
Therefore, a kind of test method of simple possible need to be provided, wind generating set yaw be turned round to cable and partly simulate, to check the twisting property of whole cable, confirm the reliability of all torsion cables, become those skilled in the art's important technological problems to be solved.
Summary of the invention
The invention provides a kind of cable assembly and turn round the test method of cable, it can be turned round cable portion to wind generating set yaw and simulate, and can check exactly the twisting property of cable, confirms the reliability of cable assembly.
A kind of cable assembly provided by the invention is turned round cable test method, comprises step:
Cable sample is placed in the environment that is equal to or less than-20 ℃, is more than or equal to 0.5 hour standing time;
The upper end of cable assembly sample is hung at and is reversed on clamping device, cable assembly sample is naturally drooped, and by the bite of cable assembly sample and described torsion clamping device apart from being fixed for the position of 13m-14m;
Reverse, after the driven by rotating wheel cable assembly sample forward that makes to reverse clamping device reverses 900 °-910 °, then 900 °-910 ° of turn-backs, reverse speed is 16 °-20 ° | min;
Repeat above-mentioned torsion step 120-130 time.
Preferably, the temperature of placing the described environment of complete cable sample is-20 ℃, equals 0.5 hour standing time.
Preferably, in described step twist process, after the driven by rotating wheel cable assembly sample forward that makes to reverse clamping device reverses 900 °, then 900 ° of turn-backs, reverse speed is 18 ° | min.
Preferably, the upper end of cable assembly sample is hung at and is reversed on clamping device, cable assembly sample is naturally drooped, and by the bite of cable assembly sample and described torsion clamping device apart from being fixed for the position of 13.2m.
Adopt cable assembly provided by the invention to turn round the test method of cable, can detect the irrationality of defective cable and reverse part design, and then go off course in the actual motion failure rate of reverse part of wind power generating set can be reduced more than 95%, effectively guaranteed the reliability of wind power generating set.
Embodiment
The test method that this embodiment provides a kind of cable assembly to turn round cable, it can be turned round cable portion to wind generating set yaw and simulate, and can check exactly the twisting property of cable assembly, confirms the reliability of cable assembly.
A kind of cable assembly provided by the invention is turned round cable test method, comprises step:
Cable assembly sample is placed in the environment that is equal to or less than-20 ℃, is more than or equal to 0.5 hour standing time;
The upper end of cable assembly sample is hung at and is reversed on clamping device, cable assembly sample is naturally drooped, and by the bite of cable assembly sample and described torsion clamping device apart from being fixed for the position of 13m-14m;
Reverse, after the driven by rotating wheel cable assembly sample forward that makes to reverse clamping device reverses 900 °-910 °, then 900 °-910 ° of turn-backs, reverse speed is 16 °-20 ° | min;
Repeat above-mentioned torsion step 120-130 time.
Adopt above-mentioned cable assembly to turn round the test method of cable, can detect the irrationality of defective cable and reverse part design, and then go off course in the actual motion failure rate of reverse part of wind power generating set can be reduced more than 95%, effectively guaranteed the reliability of wind power generating set.
Below in conjunction with specific embodiment, test method provided by the invention is described in detail.
Embodiment 1
24 cable samples are placed in the environment of-20 ℃, equal 0.5 hour standing time;
The upper end of 24 cable samples is hung at and is reversed on clamping device, 24 cable samples are naturally drooped, and by the bite of 24 cable samples and described torsion clamping device apart from being fixed for the position of 13.2m;
Reverse, after the 24 cable sample forwards of driven by rotating wheel that make to reverse clamping device reverse 900 °, then 900 ° of turn-backs, reverse speed is 18 ° | min;
Repeat above-mentioned torsion step 120 time.
Adopt above-mentioned cable assembly to turn round the test method of cable, can detect the irrationality of defective cable and reverse part design, and then go off course in the actual motion failure rate of reverse part of wind power generating set can be reduced more than 95%, effectively guaranteed the reliability of wind power generating set.
Embodiment 2
16 cable samples are placed in the environment of-25 ℃, equal 0.6 hour standing time;
The upper end of 16 cable samples is hung at and is reversed on clamping device, 16 cable samples are naturally drooped, and by the bite of 16 cable samples and described torsion clamping device apart from being fixed for the position of 13m;
Reverse, after the 16 cable sample forwards of driven by rotating wheel that make to reverse clamping device reverse 910 °, then 910 ° of turn-backs, reverse speed is 16 ° | min;
Repeat above-mentioned torsion step 130 time.
Adopt above-mentioned cable assembly to turn round the test method of cable, can detect the irrationality of defective cable and reverse part design, and then make go off course in the actual motion failure rate of reverse part of wind power generating set can reduce by 98%, effectively guaranteed the reliability of wind power generating set.
Embodiment 3
29 cable samples are placed in the environment of-28 ℃, equal 0.8 hour standing time;
The upper end of 29 cable samples is hung at and is reversed on clamping device, 29 cable samples are naturally drooped, and by the bite of 29 cable samples and described torsion clamping device apart from being fixed for the position of 14m;
Reverse, after the 29 cable sample forwards of driven by rotating wheel that make to reverse clamping device reverse 905 °, then 905 ° of turn-backs, reverse speed is 20 ° | min;
Repeat above-mentioned torsion step 125 time.
Adopt above-mentioned cable to turn round the test method of cable, can detect the irrationality of defective cable and reverse part design, and then make go off course in the actual motion failure rate of reverse part of wind power generating set can reduce by 98%, effectively guaranteed the reliability of wind power generating set.
The test method of above a kind of cable assembly provided by the present invention being turned round to cable is described in detail, applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (4)
1. cable assembly is turned round a cable test method, it is characterized in that, comprises step:
Cable assembly sample is placed in the environment that is equal to or less than-20 ℃, is more than or equal to 0.5 hour standing time;
The upper end of cable assembly sample is hung at and is reversed on clamping device, cable assembly sample is naturally drooped, and by the bite of cable assembly sample and described torsion clamping device apart from being fixed for the position of 13m-14m;
Reverse, after the driven by rotating wheel cable assembly sample forward that makes to reverse clamping device reverses 900 °-910 °, then 900 °-910 ° of turn-backs, reverse speed is 16 °-20 ° | min;
Repeat above-mentioned torsion step 120-130 time.
2. cable assembly as claimed in claim 1 is turned round cable test method, it is characterized in that, the temperature of placing the described environment of complete cable sample is-20 ℃, equals 0.5 hour standing time.
3. cable assembly as claimed in claim 1 is turned round cable test method, it is characterized in that, in described step twist process, and after the driven by rotating wheel cable assembly sample forward that makes to reverse clamping device reverses 900 °, then 900 ° of turn-backs, reverse speed is 18 ° | min.
4. cable assembly as claimed in claim 1 is turned round cable test method, it is characterized in that, the upper end of cable assembly sample is hung at and is reversed on clamping device, cable assembly sample is naturally drooped, and the bite distance of cable assembly sample and described torsion clamping device is fixed for the position of 13.2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057241.XA CN103760041A (en) | 2014-02-20 | 2014-02-20 | Cable set twisting test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057241.XA CN103760041A (en) | 2014-02-20 | 2014-02-20 | Cable set twisting test method |
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| CN103760041A true CN103760041A (en) | 2014-04-30 |
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| CN201410057241.XA Pending CN103760041A (en) | 2014-02-20 | 2014-02-20 | Cable set twisting test method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458442A (en) * | 2014-09-10 | 2015-03-25 | 南通昱品通信科技有限公司 | Undersea optical cable torsion stiffness detection device |
| CN104777034A (en) * | 2015-05-04 | 2015-07-15 | 远东电缆有限公司 | Trilobal torsion test system and method for bundled cables and clamp special for test of bundled cables |
| CN109239525A (en) * | 2018-08-22 | 2019-01-18 | 西南交通大学 | Cable radial direction damage fault simulator and assessment method under a kind of split-phase overvoltage |
| CN113075055A (en) * | 2021-03-29 | 2021-07-06 | 上海南洋-藤仓电缆有限公司 | Test method for measuring anti-distortion characteristic of flat elevator cable |
Citations (5)
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| CN101494105A (en) * | 2009-03-13 | 2009-07-29 | 安徽华能电缆集团有限公司 | Method for manufacturing special cable of wind power plant |
| CN201594403U (en) * | 2009-12-04 | 2010-09-29 | 江苏远洋东泽电缆股份有限公司 | Low temperature resistant and distortion resistant flexible cable for wind turbine tower |
| CN202258515U (en) * | 2011-10-09 | 2012-05-30 | 上海胜华电缆厂有限公司 | Ethylene-propylene insulation low-temperature wind-energy power cable |
| CN203192534U (en) * | 2013-03-26 | 2013-09-11 | 江苏远洋东泽电缆股份有限公司 | Salt-corrosion-resistant torsion-resistant separated-screen communication cable for offshore wind power |
| CN203337480U (en) * | 2013-06-08 | 2013-12-11 | 杭州首航实业有限公司 | Torsional bending tester with automatic control function |
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2014
- 2014-02-20 CN CN201410057241.XA patent/CN103760041A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494105A (en) * | 2009-03-13 | 2009-07-29 | 安徽华能电缆集团有限公司 | Method for manufacturing special cable of wind power plant |
| CN201594403U (en) * | 2009-12-04 | 2010-09-29 | 江苏远洋东泽电缆股份有限公司 | Low temperature resistant and distortion resistant flexible cable for wind turbine tower |
| CN202258515U (en) * | 2011-10-09 | 2012-05-30 | 上海胜华电缆厂有限公司 | Ethylene-propylene insulation low-temperature wind-energy power cable |
| CN203192534U (en) * | 2013-03-26 | 2013-09-11 | 江苏远洋东泽电缆股份有限公司 | Salt-corrosion-resistant torsion-resistant separated-screen communication cable for offshore wind power |
| CN203337480U (en) * | 2013-06-08 | 2013-12-11 | 杭州首航实业有限公司 | Torsional bending tester with automatic control function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458442A (en) * | 2014-09-10 | 2015-03-25 | 南通昱品通信科技有限公司 | Undersea optical cable torsion stiffness detection device |
| CN104777034A (en) * | 2015-05-04 | 2015-07-15 | 远东电缆有限公司 | Trilobal torsion test system and method for bundled cables and clamp special for test of bundled cables |
| CN109239525A (en) * | 2018-08-22 | 2019-01-18 | 西南交通大学 | Cable radial direction damage fault simulator and assessment method under a kind of split-phase overvoltage |
| CN113075055A (en) * | 2021-03-29 | 2021-07-06 | 上海南洋-藤仓电缆有限公司 | Test method for measuring anti-distortion characteristic of flat elevator cable |
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Application publication date: 20140430 |