IEC 60575 : 1.0
IEC 60575 : 1.0
THERMAL-MECHANICAL PERFORMANCE TEST AND MECHANICAL PERFORMANCE TEST ON STRING INSULATOR UNITS
International Electrotechnical Committee
THERMAL-MECHANICAL PERFORMANCE TEST AND MECHANICAL PERFORMANCE TEST ON STRING INSULATOR UNITS
International Electrotechnical Committee
Contents
Foreword
Preface
Introduction
Clause
1. Scope
2. Object
3. Thermal-mechanical performance test
4. Mechanical performance test
Appendix A:
A1. Background
A2. Insulator mechanics
A3. Notes on the thermal-mechanical performance test
A4. Notes on the mechanical performance test
A5. Survey of test results
Table I. Particulars relating to the cap and pin type
string insulator units tested
Table II. Particulars relating to the long rod type
string insulator units tested
Table III. Summary of test resultws for cap and pin type
string insulator units CP 1 to CP 5
Table IV. Summary of test results for cap and pin type
string insulator units CP 6 to CP 13
Table V. Summary of test results for cap and pin type
string insulator units CP 14 to CP 21
Table VI. Summary of test results for long rod type
string insulator units
Table VII. Number of failures observed below rated load
valves for cap and pin type string insulator
units
Table VII. Number of failures observed below rated load
values for long rod type string insulator units
A.6 Criteria for judging test results
Table IX. Index values Qs for cap and pin type string
insulator units tested
Table X. Index values Qs for long rod type string
insulator units tested
A7. Conclusions
Applies to string insulator units of the cap and pin type as well as of the long rod type with insulating parts of ceramic material or glass intended for a.c. and d.c. overhead lines with a nominal voltage greater than 1000V and also to insulators of similar design when used in substations. This publication has the status of a report. Note.- This publication should be read in conjunction with Publication 383.
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Committee | TC 36 |