DZ/T 0101.12-1994
Active
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
Price:
$ 81
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
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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