JJG 1189.9-2026 Pending National Metrology and Inspection Regulations JJG

JJG 1189.9-2026 Verification Regulation of Instrument Transformers—Part 9:DC Immune Current Transformers

JJG 1189.9-2026 Verification Regulation of Instrument Transformers—Part 9:DC Immune Current Transformers

Publish Date: 2026-04-02 Implement Date: 2026-10-02 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: JJG 1189.9-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2026-04-02

Implement Date: 2026-10-02

Pages: 32 pages

Scope

This procedure is applicable to the initial verification, subsequent verification, and in-service inspection of DC current transformers installed in power systems for metering purposes.

Development Information

Word Count: 33 Thousand words Pages: 32 pages

Same series standard

JJG 1189.1-2026 Verification Regulation of Instrument Transformers—Part 1:Standard Current Transformers JJG 1189.2-2026 Verification Regulation of Instrument Transformers—Part 2:Standard Voltage Transformers JJG 1189.8-2026 Verification Regulation of Instrument Transformers—Part 8:Wide Range Current Transformers

Referenced Standards

GB/T 2900.94-2015 Electrotechnical terminology—Instrument transformers GB/T 14549-1993 Quality of electric energy supply—Harmonics in public supply network GB/T 19826-2005 General specification and safety requirements for DC power supply equipment of power projects GB/T 19826-2014 General specification and safety requirements for DC power supply equipment of power projects GB/T 20840.2-2014 Instrument transformers—Part 2:Additional requirements for current transformers GB/T 32507-2016 Power quality—Terms GB/T 32507-2024 Power quality—Terminology

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