NB/T 11394-2023 Active Industry standards-Energy

NB/T 11394-2023 High-altitude environment for a 27.5kV system air gap altitude correction

Publish Date: 2023-12-28 Implement Date: 2024-06-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: NB/T 11394-2023

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: Comprehensive Electrical Engineering

Publish Date: 2023-12-28

Implement Date: 2024-06-28

Scope

This document specifies the altitude correction method for air gaps in 27.5 kV ground power supply systems in plateau environments. This document is applicable to the altitude correction method for air gaps in 27.5 kV ground power supply systems in areas with altitudes ranging from 1,000 m to 5,500 m. The 35 kV system can be referenced for implementation.

Development Information

Related Standards

GB/T 2681-1981 Abolished

GB/T 2681-1981 Colors of insulated conductors used in electrical assembly devices

Publish Date: 1981-06-12

GB/T 2682-1981 Abolished

GB/T 2682-1981 Colors of indicator lights and push-buttons used in electrical assembly devices

Publish Date: 1981-06-12

GB/T 3926-1983 Replaced

GB/T 3926-1983 Rated voltage for medium frequency equipment

Publish Date: 1983-11-11

GB/T 4064-1983 Abolished

GB/T 4064-1983 General guide for designing of electrical equipment to satisfy safety requirements

Publish Date: 1983-12-22

GB/T 4776-1984 Replaced

GB/T 4776-1984 Electrical safety terminology

Publish Date: 1984-11-30

GB/T 5080.4-1985 Active

GB/T 5080.4-1985 Equipment reliability testing—Procedure for point estimates and confidence intervals from reliability determination tests(Exponental distribution)

Publish Date: 1985-04-17