GB/T 47024.1-2026 Active National standards

GB/T 47024.1-2026 Special test methods for electrical equipment at high altitudes—Part 1:AC/harmonic combined current

GB/T 47024.1-2026 Special test methods for electrical equipment at high altitudes—Part 1:AC/harmonic combined current

Publish Date: 2026-01-28 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 47024.1-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Power transmission and transformation equipment

ICS Name: Comprehensive Electrical Engineering

Publish Date: 2026-01-28

Implement Date: 2026-05-01

Pages: 16 pages

Scope

This document describes the method for conducting the breaking capacity and temperature rise tests of electrical products in plateau areas under the combined AC/harmonic current, including the test principle, test conditions, test circuit and parameter calculation, test procedure, test result evaluation, and test report.
This document is applicable to electrical products in plateau areas with an altitude of more than 1,000 m to 5,000 m, and substations with a voltage of 10 kV or higher in areas with high harmonic content that need to conduct breaking capacity and temperature rise tests under the combined AC/harmonic current.
Electrical products in other altitude areas should be implemented in accordance with this document.

Development Information

Word Count: 23 Thousand words Pages: 16 pages

Same series standard

GB/T 47024.2-2026 Special test methods for electrical equipment at high altitudes—Part 2:AC/DC combined voltage

Referenced Standards

GB 1984-2003 High-voltage alternating-current circuit-breakers GB/T 1984-2014 High-voltage alternating-current circuit-breakers GB/T 1984-2024 High-voltage alternating-current circuit-breakers GB 1094.2-1996 Power transformers—Part 2:Temperature rise GB/T 1094.2-2013 Power transformers—Part 2:Temperature rise for liquid-immersed transformers GB/T 10230.1-2007 Tap-changers—Part 1:Performance requirements and test methods GB/T 10230.1-2019 Tap-changers—Part 1:Performance requirements and test methods GB/T 10230.2-2007 Tap-changers—Part 2:Application guide GB/T 10230.2-2025 Tap changers—Part 2:Application guidelines GB/T 11022-1999 Common specifications for high-voltage switchgear and control gear standards GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards GB/T 11022-2020 Common specifications for high-voltage alternating-current switchgear and controlgear standards GB/T 14549-1993 Quality of electric energy supply—Harmonics in public supply network GB/T 20626.1-2017 Specific environmental condition—Electric and electronic products for plateau—Part 1:General technical requirements DL/T 5222-2021 Conductors and electrical equipment selection and design procedures DL/T 5222-2005 Design technical rule for selecting conductor and electrical equipment

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