General technical specifications for power fittings

The revision of this standard adopts IEC 61284:1997 "Overhead line - Requirement and test for fittings", and at the same time taking into account the specific conditions in China, the pre-twisted fittings have been added to the mechanical test.

Compared with IEC 61284:1997, this standard mainly has the following differences:

- Definition items not included in this standard, these definitions are given in GB/T 5075;

——Proposed technical requirements for the appearance quality of the fittings;

——Technical requirements for hanging clamps and strain clamps are given;

- Not listed in the magnetic loss test.

This standard replaces GB 2314-1997 "General technical conditions for power fittings."

Compared with GB 2314-1997, this standard mainly includes the following modifications:

- Integrate the contents of GB/T 2317.4-2000 in the "Marking and Packaging of Power Fittings" into this standard;

- Some of the technical requirements in the 1997 version involved in industrial upgrading and technological progress have been revised.

Appendix A of this standard is an informative annex.

This standard is proposed by the China Electricity Council.

This standard is under the jurisdiction of the National Technical Committee for Overhead Line Standardization (SAC/TC 202).

This standard is drafted by: State Grid Beijing Electric Power Construction Research Institute.

Participated in the drafting of this standard: Zhejiang Electric Power Design Institute.

The main drafters of this standard are: Dong Jiyi, Botong, Xu Naiguan, You Chuanyong, Liu Changqing, Zhao Quanjiang, Wang Jingchao, and Zhou Lixian.

The previous versions of the standards replaced by this standard are:

- GB 2314-1985, GB 2314-1997.