DL/T 1674-2025 Active Industry standards-Electricity

DL/T 1674-2025 35kV and below lightning protection technical guidelines for distribution network

Publish Date: 2025-09-28 Implement Date: 2026-03-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DL/T 1674-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Electricity

ICS Name: The integrated transmission and distribution network

Publish Date: 2025-09-28

Implement Date: 2026-03-28

Publisher: 国家能源局

Technical Committee: 电力行业过电压与绝缘配合标准化技术委员会（DL/TC 38）

Development Information

Replace the following standards

DL/T 1674-2016 35kV and below lightning protection technical guidelines for distribution network

Related Standards

GB/T 15543-1995 Replaced

GB/T 15543-1995 Quality of electric energy supply—Admissible three-phase voltage unbalance factor

Publish Date: 1995-04-06

GB/T 15544-1995 Replaced

GB/T 15544-1995 Short-circuit current calculation in three-phase a.c. systems

Publish Date: 1995-04-06

GB/T 18857-2002 Replaced

GB/T 18857-2002 Technical guide for live working in distribution line

Publish Date: 2002-10-08

GB/T 13730-2002 Active

GB/T 13730-2002 Dispatching automation systems for distric power networks

Publish Date: 2002-11-29

GB/T 2694-2003 Replaced

GB/T 2694-2003 Transmission line tower—Technical requirements for manufacturing

Publish Date: 2003-04-14

GB/T 11920-2008 Active

GB/T 11920-2008 General specification of central control equipment and system for electrical parts in power stations and substations

Publish Date: 2008-09-24