The area of their surrounding envelope shall be included in the total area of glaze defects. Elements d'isolateurs en matiere ceramique ou en verre pour systemes a courant alternatif. The numbers on the first line in each square represent the quantity of insulators to be submitted to each test; the codes El and E2 correspond to the references given to the samples in subclause 8.
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The applicable sample tests are performed on the samples El or E2 as indicated in the cross-reference table. Isolatoren fuer Freileitungen mit einer Nennspannung ueber 1 kV. Elements d'isolateurs en matiere ceramique ou en verre pour systemes a courant alternatif. These markings shall be legible and indelible. Accept and continue Learn more about the cookies we use and how to change your settings.
The results of type tests are certified either by test certificates accepted by the purchaser or by test certificates confirmed by a qualified organization. The numbers on the first line in each square represent the quantity of insulators to be submitted to each test; the codes El and E2 correspond to the references given to the samples in subclause 8. Very small pinholes, of less than 1,0 mm, diameter for example, those caused by particles of dust during glazing shall not be included in the total area of glaze defects.
Pin insulators The following tests are applicable to pin insulators. Take the smart route to manage medical device compliance. However, in any area of 50 mm x 10 mm the number of pinholes shall not exceed You may find similar items within these categories by selecting from the choices below:.
Inclusions in the shed glaze for instance sagger dirt on the upper shed shall not exceed a total area of 25 mm2 nor shall any single inclusion protrude more than 2 mm from the surface. Definitions, methodes d'essai et criteres d'acceptation. Definitions, test methods and acceptance criteria 60338-1 On the core of other solid core insulators single spots without glaze shall not exceed 25 mm2.
The sizes of these samples shall be determined in 660383-1 with subclause 8. To determine the tests which are applicable to pin insulators, reference should be made to the cross-reference table table 1.
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Find Similar Items This product falls into the following categories. When the change affects only certain characteristics, only the test s relevant to these characteristics need to 6083-1 repeated. They are usually carried out on a small number of insulators and only once for a new design or manufacturing process of insulator and then subsequently repeated only when the design or manufacturing process is changed.
The area of their surrounding envelope shall be included in the total area of glaze defects.
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NOTE - For certain types of insulators made from ceramic material an ultrasonic test after the mechanical routine test may be useful for detecting hidden defects in the insulating material. The applicable type tests are to be performed once only for a given insulator see subclause 6.
Ceramic or glass insulator units for a. Insulators which break or whose metal parts are fractured or become detached during the test shall be rejected. Glaze defects are not allowed on the core of solid core long rod insulators.
No comparison of type and sample test results can be satisfactorily made for the mechanical failing load test on pin insulators. For mechanical tests, the certificate shall be valid for ten years from the date of issue. Enviado por Daniel flag Denunciar. Certain tests are applicable only to certain classes of insulator or materials.
IEC 60383 1 1993 Insulators for overhead lines with a nominal voltage above 1 000 V
Definitions, test methods and acceptance criteria. Type tests shall be carried out only on insulators from a lot which meets the requirements of all the relevant sample and routine tests not included in the type tests. You may experience issues viewing this site in Internet Explorer 9, 10 or 60383-11 example of a class A insulator is a long rod insulator with external fittings.