JJG 1177-2021 Active National Metrology and Inspection Regulations JJG

JJG 1177-2021 Harmonic Voltage Transformers

Publish Date: 2021-10-18 Implement Date: 2022-04-18 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 1177-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2021-10-18

Implement Date: 2022-04-18

Publisher: 国家市场监督管理总局

Technical Committee: 全国电磁计量技术委员会高压计量分技术委员会

Pages: 24 pages

Scope

本规程适用于安装在6 kV及以上电力系统中额定基波(频率为50 Hz或60 Hz)电压不高于110 kV，总谐波电压不高于10 kV，谐波次数最高至50次谐波的电磁式谐波电压互感器的首次检定、后续检定和使用中检查。6 kV以下的可参照本规程执行。
本规程不适用于二次输出为数字信号的谐波电压互感器。

Development Information

Drafting Units:

国家高电压计量站

Drafting Persons:

姜春阳、殷小东

Word Count: 32 Thousand words Pages: 24 pages

Referenced Standards

JJG 314-2010 Instrument Voltage Transformers GB/T 20840.1-2010 Instrument transformers—Part 1:General requirements GB/T 20840.3-2013 Instrument transformers—Part 3:Additional requirements for inductive voltage transformers JJG 1021-2007 Instrument Transformers in Power System GB/T 14549-1993 Quality of electric energy supply—Harmonics in public supply network

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