CN102495339A - Power-frequency withstand voltage test method and test device for 10kV live-wire work insulation protection appliance - Google Patents
Power-frequency withstand voltage test method and test device for 10kV live-wire work insulation protection appliance Download PDFInfo
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- CN102495339A CN102495339A CN2011103957533A CN201110395753A CN102495339A CN 102495339 A CN102495339 A CN 102495339A CN 2011103957533 A CN2011103957533 A CN 2011103957533A CN 201110395753 A CN201110395753 A CN 201110395753A CN 102495339 A CN102495339 A CN 102495339A
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- protection apparatus
- insulating protection
- frequency withstand
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- line job
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Abstract
The invention relates to a power-frequency withstand voltage test method and a test device for a 10kV live-wire work insulation protection appliance. The power-frequency withstand voltage test method for the 10kV live-wire work insulation protection appliance comprises horizontally and tightly spreading the insulation protection appliance to be detected on a testing panel, and enabling the testing panel to be connected with a grounding electrode; enabling the surface of the horizontally spread insulation protection appliance to be connected with a conductive electrode to carry out a power-frequency withstand voltage test which adopts point test, wherein spacing distance between testing points is 25-30cm, and distance between edge climbing arcs is no smaller than 5.8cm. Besides, the power-frequency withstand voltage test device is provided and comprises the testing panel made of a thin iron plate. The edges of the testing panel are tightly wrapped on a panel framework, supporting legs are arranged below the testing panel, and 10kV insulation porcelain pillars are arranged between the testing panel 1 and the supporting legs.
Description
Technical field
A kind of power frequency withstand test method and apparatus relates in particular to a kind of power frequency withstand test method and device that is used for the insulating protection apparatus.
Background technology
It is the hidden danger for Work tool in finding to use that hot line job insulating protection apparatus is carried out preventive trial, judges that can Work tool continue to come into operation, and trouble-saving generation guarantees carrying out smoothly of 10kV hot line job work.
Get into after the nineties in 20th century, because the continuous appearance of new technology, new type of safe Work tool, aerial lift device with insulated arm, apparatus is covered in insulation, individual insulating protection apparatus constantly is applied to 10kV hot line job work.In order to guarantee operating personnel's safety, improve the security of power distribution network hot line job, regularly the insulating protection apparatus is carried out preventive trial and become a necessary security safeguard.Insulating glove, insulated shoes, safety helmet test can adopt conventional immersion method test to get final product; Insulation clothing, insulation are covered safety appliances such as blanket, insulating sleeves, insulation mask and are all had relatively high expectations in test method, operating aspect; Test method adopts a method of testing more, lacks special-purpose test Work tool.
Along with the continuous development of China's economic construction, improve the vital task that power supply reliability has become current power supply enterprise.Apply to install in the cut-in operation in distribution maintenance and client, solving uninterrupted power supply through hot line job is a good approach.Along with the operating type of new technology and standard constantly is applied in the 10kV hot line job work, the security of hot line job is improved, and meanwhile, regularly the insulating protection apparatus is carried out preventive trial and becomes a necessary security safeguard.Adopt suitable test unit and test method to seem particularly important.
A lot of relevant enterprises have been carried out 10kV hot line job work; But owing to lack test tool; Can't carry out the work of 10kV hot line job insulating protection apparatus preventive trial; The test unit that can only be sent to qualification carries out verification, has expended many manpower financial capacities, cause hot line job work to carry out cost higher.And, present stage test method adopt a method of testing more, can't test test product integral body, be difficult for to find locality defective or concealed defective, cause test result inaccurate, not comprehensive.
Summary of the invention
The present invention is directed to the problem that prior art exists, provide a kind of simple in structure, effectively reduce the hot line job insulating protection apparatus test unit of hot line job job costs.
To achieve these goals, patent of the present invention adopts following technical scheme: a kind of power frequency withstand test method of 10kV hot line job insulating protection apparatus comprises the steps:
The insulating protection apparatus tiling that 1) will detect, and closely be laid on the test panel, and test panel is inserted ground-electrode;
2) insert conductive electrode on the good insulating protection apparatus surface of tiling and boost and carry out power frequency withstand test, the some test is adopted in test, and the spacing distance of testing site is 25-30cm, and climbing arc distance is not less than 5.8cm along the limit.
The present invention has carried out following method test on the basis of above step:
Further; Described step 2) be to wrap up with masking foil on the good insulating protection apparatus surface of tiling; And contact closely with masking foil, inserting conductive electrode again and boost and carry out the power frequency withstand test of said hot line job insulating protection apparatus, climbing arc distance is not less than 5.8cm along the limit.
Further, described step 2) be the conduction template usefulness immersion of hot line job insulating protection apparatus, and after not having the cotton parcel of ponding; Be placed in the hot line job insulating protection apparatus; And contact closely with hot line job insulating protection apparatus is inner, afterwards, the access conductive electrode boosts; Carry out power frequency withstand test, climbing arc distance is not less than 5.8cm along the limit.
The present invention also provides a kind of power frequency withstand test device of realizing the power frequency withstand test method of described 10kV hot line job insulating protection apparatus; Comprise test panel; Test panel is the sheet iron plate; The edge of test panel closely is wrapped on the panel skeleton, below test panel, is provided with supporting leg, is provided with the 10kV insulation column between test panel and the supporting leg.
Further, the height of said test panel 1 is 80-120cm.
Further, described panel skeleton and supporting leg are to be formed from steel.
Further, below said supporting leg, be provided with universal wheel.
Further, the electric strength of described 10kV insulation column is not less than 3 times of hot line job insulating protection apparatus industrial frequency withstand voltage value.
Further, described 10kV insulation column is a 10kV insulation porcelain pillar.
Beneficial effect of the present invention: the invention has the advantages that test unit itself is made simple, and is easy to operate, be prone to row, cost is low, but local operation.Improved the reliability and the accuracy of test simultaneously, reduced the experimentation cost of hot line job insulating protection apparatus effectively, and practiced thrift the insulating protection apparatus because of sending other unit's expense that test is taken place.In the preventive trial process, might cause the electricity of organic insulation aging, reduce the insulating property of instrument, have cumulative effect and irrecoverable property.Through the improvement to test method, the insulation harm that in the time of can reducing test the insulating protection apparatus is caused prolongs the serviceable life of insulating protection apparatus, thereby reduces the buying expenses of 10kV hot line job insulating protection apparatus.After this invention successful Application; Can guarantee 10kV hot line job work safe, carry out smoothly, thereby improve the power supply reliability of 10kV distribution, reach and increase the purpose that supplies sales promotion; And can guarantee uninterrupted power supply, reduce the economic loss of bringing to the client because of having a power failure the client.
Description of drawings:
Fig. 1: be structural representation of the present invention.
Embodiment:
Below in conjunction with accompanying drawing principle of the present invention and characteristic are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
Embodiment 1: a kind of power frequency withstand test method of 10kV hot line job insulating protection apparatus, it is an a kind of some method of testing, comprises the steps:
The insulating protection apparatus tiling that 1) will detect, and closely be laid on the test panel, and test panel is inserted ground-electrode;
2) insert conductive electrode on the good insulating protection apparatus surface of tiling and boost and carry out power frequency withstand test, the some test is adopted in test, and the spacing distance of testing site is 25-30cm, and climbing arc distance is not less than 5.8cm along the limit.
1 method of testing test chart of table 1: embodiment
It is simple to operate, and is convenient, is difficult for during test producing climbing the arc phenomenon, and Leakage Current is little, does not need other auxiliary equipment.
Embodiment 2: a kind of power frequency withstand test method of 10kV hot line job insulating protection apparatus, it is an a kind of some method of testing, comprises the steps:
The insulating protection apparatus tiling that 1) will detect, and closely be laid on the test panel, and test panel is inserted ground-electrode;
2) be to wrap up with masking foil, and contact closely that insert conductive electrode again and boost and carry out the power frequency withstand test of said hot line job insulating protection apparatus, climbing arc distance is not less than 5.8cm along the limit with masking foil on the good insulating protection apparatus surface of tiling.
Table 2: embodiment 2 masking foil method of testing test charts
From table 2, can find out: though insulation clothing and insulating sleeves etc. there is the test specimen surface of contact undertighten of knuckle; Test accuracy is not high; But this method is applicable to insulation and covers blanket, mask etc. and do not have knuckle, more smooth, easy parcel and contact test specimen closely; Higher to the integral experiment precision, be prone to find local defect, reduce the operation of equipment number of times that boosts.
Embodiment 3: a kind of power frequency withstand test method of 10kV hot line job insulating protection apparatus, it is an a kind of some method of testing, comprises the steps:
The insulating protection apparatus tiling that 1) will detect, and closely be laid on the test panel, and test panel is inserted ground-electrode;
2) be the conduction template usefulness immersion of hot line job insulating protection apparatus; And after not having the cotton parcel of ponding, be placed in the hot line job insulating protection apparatus, and contact closely with hot line job insulating protection apparatus is inner; Afterwards; The access conductive electrode boosts, and carries out power frequency withstand test, and climbing arc distance is not less than 5.8cm along the limit.
Table 3: embodiment 3 cotton method of testing test charts
From table 3, can find out: though this method is not suitable for insulating and covers the test of blanket, mask; But be applicable to that insulation clothing, insulating sleeves etc. have the test specimen of knuckle, be prone to find the local defect at knuckle place, conductance is higher simultaneously; Contact closely with test specimen; Be difficult for producing point discharge phenomenon, leakage current is less, and test accuracy is higher.
In a word; The test findings of these three kinds of methods all meets " live line tool, device and equipment preventive trial rules " regulation; Take all factors into consideration the complexity and test accuracy of various test methods; Sampling observation test of suggestion insulating protection apparatus and trouble spot are apparent in view, clear, but the test method of application one of targeted defective, and the bulk testing of periodic test and safety appliance is prone to adopt method two, method three to make an experiment.
Embodiment 4: identical with embodiment 1, different is step 2) spacing distance of testing site is 25cm, climbing arc distance is not less than 5.8cm along the limit.
Embodiment 5: identical with embodiment 1, different is step 2) spacing distance of testing site is 30cm, climbing arc distance is not less than 5.8cm along the limit.
Embodiment 6: identical with embodiment 1, different is step 2) spacing distance of testing site is 27cm, climbing arc distance is not less than 5.8cm along the limit.
Embodiment 7: a kind of power frequency withstand test device of realizing the power frequency withstand test method of described 10kV hot line job insulating protection apparatus; Comprise test panel 1; Test panel 1 is the sheet iron plate; The edge of test panel 1 closely is wrapped on the panel skeleton, below test panel 1, is provided with supporting leg 2, is provided with 10kV insulation porcelain pillar 3 between test panel 1 and the supporting leg 2.The height of said test panel 1 is 80-120cm.Described panel skeleton and supporting leg 2 are to be formed from steel.Below said supporting leg 2, be provided with universal wheel 4.The electric strength of described 10kV insulation porcelain pillar 3 is not less than 3 times of hot line job insulating protection apparatus industrial frequency withstand voltage value.
Embodiment 8: identical with embodiment 7, different is: the height of said test panel 1 is 80cm.
Embodiment 9: identical with embodiment 7, different is: the height of said test panel 1 is 120cm.
Embodiment 10: identical with embodiment 7, different is: the height of said test panel 1 is 100cm.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the power frequency withstand test method of a 10KV hot line job insulating protection apparatus is characterized in that, comprises the steps:
The insulating protection apparatus tiling that 1) will detect, and closely be laid on the test panel, and test panel is inserted ground-electrode;
The insulating protection apparatus surface access conductive electrode of 2) getting well in tiling boosts and carries out power frequency withstand test, tests to be a test, and the spacing distance of testing site is 25-30cm, and climbing arc distance is not less than 5.8cm along the limit.
2. the power frequency withstand test method of 10kV hot line job insulating protection apparatus as claimed in claim 1; It is characterized in that; Described step 2) be to wrap up with masking foil on the good insulating protection apparatus surface of tiling; And contact closely with masking foil, inserting conductive electrode again and boost and carry out the power frequency withstand test of said hot line job insulating protection apparatus, climbing arc distance is not less than 5.8cm along the limit.
3. the power frequency withstand test method of 10kV hot line job insulating protection apparatus as claimed in claim 1 is characterized in that described step 2) be the conduction template usefulness immersion of hot line job insulating protection apparatus; And after not having the cotton parcel of ponding, be placed in the hot line job insulating protection apparatus, and contact closely with hot line job insulating protection apparatus is inner; Afterwards; The access conductive electrode boosts, and carries out power frequency withstand test, and climbing arc distance is not less than 5.8cm along the limit.
4. the power frequency withstand test device of the power frequency withstand test method of realization such as the described 10kV hot line job of claim 1 to 3 insulating protection apparatus; It is characterized in that; Comprise test panel, test panel is the sheet iron plate, and the edge of test panel closely is wrapped on the panel skeleton; Below test panel, be provided with supporting leg, be provided with the 10kV insulation column between test panel and the supporting leg.
5. the power frequency withstand test device of 10kV hot line job insulating protection apparatus as claimed in claim 4 is characterized in that the height of said test panel 1 is 80-120cm.
6. the power frequency withstand test device of 10kV hot line job insulating protection apparatus as claimed in claim 4 is characterized in that described panel skeleton and supporting leg are to be formed from steel.
7. the power frequency withstand test device of 10kV hot line job insulating protection apparatus as claimed in claim 4 is characterized in that, below said supporting leg, is provided with universal wheel.
8. the power frequency withstand test device of 10kV hot line job insulating protection apparatus as claimed in claim 4 is characterized in that, the electric strength of described 10kV insulation column is not less than 3 times of hot line job insulating protection apparatus industrial frequency withstand voltage value.
9. like the power frequency withstand test device of the arbitrary described 10kV hot line job insulating protection apparatus of claim 4 to 8, it is characterized in that described 10kV insulation column is a 10kV insulation porcelain pillar.
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| CN2011103957533A CN102495339A (en) | 2011-12-04 | 2011-12-04 | Power-frequency withstand voltage test method and test device for 10kV live-wire work insulation protection appliance |
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| CN2011103957533A CN102495339A (en) | 2011-12-04 | 2011-12-04 | Power-frequency withstand voltage test method and test device for 10kV live-wire work insulation protection appliance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104777409A (en) * | 2014-06-17 | 2015-07-15 | 国网辽宁省电力有限公司丹东供电公司 | Intelligent inflatable insulative clothing testing detecting device and operating method |
| CN105004733A (en) * | 2015-07-31 | 2015-10-28 | 济南博沃能源科技有限公司 | Portable insulation shielding fabric flaw testing method and testing instrument |
| CN105067968A (en) * | 2015-07-22 | 2015-11-18 | 无锡市计量检定测试中心 | Electrical performance testing platform for insulating pad used for live-line operation |
| CN108169641A (en) * | 2018-01-08 | 2018-06-15 | 国家电网公司 | A kind of insulated shielding cover experimental rig |
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| CN202033385U (en) * | 2011-01-28 | 2011-11-09 | 咸阳供电局 | Insulating test bench for 35kV and below mutual inductor, 35kV and below lightning arrester and insulating baffle plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777409A (en) * | 2014-06-17 | 2015-07-15 | 国网辽宁省电力有限公司丹东供电公司 | Intelligent inflatable insulative clothing testing detecting device and operating method |
| CN105067968A (en) * | 2015-07-22 | 2015-11-18 | 无锡市计量检定测试中心 | Electrical performance testing platform for insulating pad used for live-line operation |
| CN105067968B (en) * | 2015-07-22 | 2018-01-09 | 无锡市计量测试院 | A kind of livewire work felt pad electrical performance test platform |
| CN105004733A (en) * | 2015-07-31 | 2015-10-28 | 济南博沃能源科技有限公司 | Portable insulation shielding fabric flaw testing method and testing instrument |
| CN105004733B (en) * | 2015-07-31 | 2017-10-24 | 济南博沃能源科技有限公司 | A kind of Portable insulation armored fabric defect test method and tester |
| CN108169641A (en) * | 2018-01-08 | 2018-06-15 | 国家电网公司 | A kind of insulated shielding cover experimental rig |
| CN108169641B (en) * | 2018-01-08 | 2020-05-05 | 国家电网公司 | Insulating cover test device that shields |
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Application publication date: 20120613 |