DL/T 487-2024 Active Industry standards-Electricity

DL/T 487-2024

Publish Date: 2024-12-25 Implement Date: 2025-06-25 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DL/T 487-2024

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Insulator

ICS Name: Insulator

Publish Date: 2024-12-25

Implement Date: 2025-06-25

Scope

This document specifies the basic requirements, measurement methods, criteria for evaluating measurement results, and processing of measurement data for the distribution voltage measurement of insulator strings on 330 kV and above AC overhead power lines. This document is applicable to disc-shaped suspension porcelain or glass insulator strings (hereinafter referred to as insulator strings) used on 330 kV and above AC overhead transmission lines.

Development Information

Replace the following standards

DL/T 487-2000 The distribution voltage along insulator string on A.C.overhead transmission line with rated voltage of 330kV and 500kV

Related Standards

GB/T 4585.1-1984 Abolished

GB/T 4585.1-1984 Artificial pollution tests on high-voltage insulators to be used on a.c.systems Salt-fog method

Publish Date: 1984-07-23

GB/T 775.1-1987 Replaced

GB/T 775.1-1987 Test method for insulators—Part 1:General test methods

Publish Date: 1987-01-23

GB/T 775.3-1987 Replaced

GB/T 775.3-1987 Test method for insulators—Part 3:Mechanical test methods

Publish Date: 1987-01-23

GB/T 7253-1987 Replaced

GB/T 7253-1987 The string insulator units of the cap and pin type—Dimensions and characteristics

Publish Date: 1987-02-09

GB 12744-1991 Replaced

GB 12744-1991 Outdoor antipollution-type solid-core post insulators of ceramic material

Publish Date: 1991-03-21

GB/T 4585.2-1991 Abolished

GB/T 4585.2-1991 Artificial pollution tests on high-voltage insulators to be used on a.c.systems solid-layer method

Publish Date: 1991-06-06