ДСТУ EN 62155:2022 Порожнисті керамічні та скляні ізолятори під тиском і без тиску для використання в електрообладнанні з номінальною напругою понад 1000 В (EN 62155:2003, IDT; IEC 62155:2003, IDT)



ДСТУ EN 62155:2022
(EN 62155:2003, IDT; IEC 62155:2003, IDT)

Порожнисті керамічні та скляні ізолятори під тиском і без тиску для
використання в електрообладнанні з номінальною напругою понад 1000 В

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

CONTENTS

1 Scope and object

1.1 General

1.2 Hollow insulators or hollow insulator bodies intended for general use

1.3 Ceramic hollow insulators intended for use with permanent gas pressure

2 Normative references

3 Terms and definitions

4 Insulating materials

5 General recommendations for design

5.1 General recommendations for design of hollow insulators and hollow insulator bodies intended for general use

5.2 Design rules for hollow insulators and hollow insulator bodies for use with permanent gas pressure

6 Classification of the tests, sampling rules and procedures

6.1 Classification of the tests

6.2 Relevant tests for type, sample and routine tests

6.3 Hollow insulator or hollow insulator body selection

6.4 Retest procedure for sample tests

6.5 Quality assurance

7 General test procedures and requirements

7.1 Verification of the dimensions and roughness of ground surfaces

7.2 Mechanical failing load tests

7.3 Temperature cycle test

7.4 Porosity test

7.5 Galvanizing test

8 Type tests

8.1 Tests

8.2 Pressure test

8.3 Bending test

9 Sample tests

9.1 Tests for hollow insulators or hollow insulator bodies intended for general use

9.2 Tests for ceramic hollow insulators or hollow insulator bodies intended for use with permanent gas pressure

10 Routine tests

10.1 Tests for hollow insulators or hollow insulator bodies intended for general use

10.2 Tests for ceramic hollow insulators or hollow insulator bodies intended for use with permanent gas pressure

10.3 Routine visual inspection

10.4 Electrical routine test

10.5 Routine mechanical tests for hollow insulators or hollow insulator bodies intended for general use

10.6 Routine mechanical tests for ceramic hollow insulators or hollow insulator bodies intended for use with permanent gas pressure

10.7 Routine thermal shock test

11 Documentation

11.1 Marking

11.2 Records

Annex A (informative) Methods of testing for tolerances of parallelism, coaxiality, eccentricity, angular deviation, camber and shed angle of hollow insulators or hollow insulator bodies

Annex B (informative) Methods for bending tests of hollow insulator bodies

Annex C (informative) Alternative test method for the temperature-cycle test

Annex D (informative) Bending moment equivalent to the design pressure

Annex ZA (normative) Normative references to international publications with their corresponding European Publications

Annex ZB (informative) A-deviations

Bibliography