1 Scope
This Part specifies the sample installation and test methods for mechanical test of insulators.
This Part is applicable to the mechanical test for porcelain and glass insulators (including sleeves, support insulators, insulating coat of electrical products, line insulator strings and their elements).
2 Normative References
The following normative documents contain provisions which, through reference in this Part of GB/T 775, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
Contents
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Bending Load Test
4.1 Sample Installation and Load Application
4.2 Test Procedures
5 Tension Load Test
5.1 Sample and Its Installation
5.2 Test Procedures
6 Torque Failure Load Test
6.1 Sample and Its Installation
6.2 Test Procedures
7 Compression Load Test
7.1 Sample and Its Installation
7.2 Test Procedures
8 Electromechanical Failure Load Test
8.1 Sample and Its Installation
8.2 Test Procedures
9 Internal Pressure Test
9.1 Sample and Its Installation
9.2 Test Procedures
