GB/T 31238-2014 (English Version) PDF

Standard No.: GB/T 31238-2014
Language: Chinese, Available in English version
Release Date: 2014
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 31238-2014

Scope: This standard specifies the operating conditions, ratings, technical performance requirements, structural requirements and test requirements for 1 000 kV AC system GIS and electromagnetic current transformers for bushings. This standard applies to current transformers installed in 1 000 kV GIS and bushings for electrical measuring instruments and relay protection devices.

GB/T 31238-2014 Referenced Document

GB 1208 Current transformers
GB 16847 Requirements for protective current transformers for transient performance
GB/T 11021 Electrical insulation.Thermal evaluation and designation
GB/T 2900.15 Electrotechnical terminology. Transformer, instrument transformer, voltage regulator and reactor
GB/T 2900.50 Electrotechnical terminology.Generation,transmission and distribution of electricity.General
GB/T 2900.57 Electrotechnical terminology.Generation,transmission and distribution of electricity.Operation
GB/Z 24836-2009 Specification for 100kV gas-insulated metal-enclosed switchgear
GB/Z 24843-2009 Technical specification of 1000kV single phase oil-immersed auto-transformer