The test method of composite insulator
, composite insulator test 6.
1 basic requirement for the user in the order of composite insulator, appropriate for manufacturers of composite insulator shall ensure that the factory comply with the requirements of this international standard.
Composite insulator shall be carried out according to the number of inspection, with each batch of raw material made of the same process continuous production as a group of the same type of composite insulator, the sampling plan shall comply with the requirements of GB/T5892.
Each batch number N * should not be more than 10000 more.
2 test classification of composite insulator inspection general component design test, type test, sampling test and test them one by one.
In order to improve the reliability of composite insulator and the need for additional test.
3 test requirements and methods of 6.
1 one by one, and sampling test composite insulator individually test and sample test shall meet the requirements of IEC61109.
Mandrel test and sampling test them one by one according to appendix C table C.
3 and table C.
Provisions of 4.
2 wet power frequency withstand voltage test in the withstand voltage test should be according to appendix B B.
The test method stipulated in the article 10.
Wet operation impulse withstand voltage test should be according to the B in appendix B.
As provided for in article 11 of the test method.
3 material test 6.
1 umbrella cover material, shape, or new product production to normal production of products, but only for a type of high voltage insulator appendix C C.
1 umbrella cover material type testing.
Only when the umbrella cover material formula and process change, appendix C C.
1 the type tests specified in each test must be conducted to all items.
2 material new product trial production of rods, finalize the design or the normal production of the product, if the core product is the same formula and the process and the diameter of raw materials, appendix C C.
2 of the test can only once.
Only when the core material formula and process change, must be full test of the project.
Appendix C table C.
2 plug type test report can be provided by the core rod products manufacturing enterprises.
4 additional test should be done in addition to IEC61109 in the product design under test and type test, appropriate power frequency arc tests are carried out, artificial contamination power frequency voltage test and mechanical vibration test, artificial contamination power frequency withstand voltage test and mechanical vibration test just to experiment with supply and demand both sides talks things over.
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