GB 1208-2006 Current transformers

GB 1208-1997 Current transformers

GB/T 20840.2-2014 Instrument transformers—Part 2:Additional requirements for current transformers

GB 156-2003 Standard voltages GB 311.1-1997 Insulation co-ordination for high voltage transmission and distribution equipment GB/T 2900.15-1997 Electrotechnical terminology Transformer, instrument transformer, voltage regulator and reactor GB/T 3954-2001 Aluminium rod for electrical purpose GB 5585.1-1985 Copper or aluminium and its alloy bus bars for electrical purposes—Part 1:General GB/T 7252-2001 Guide to the analysis and the diagnosis of gases dissolved in transformer oil GB/T 7354-2003 Partial discharge measurements GB/T 7595-2000 Quality criteria of transformer oils in service GB/T 11021-1989 GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB 16847-1997 Requirements for protective current transformers for transient performance GB/T 16927.1-1997 High-voltage test techniques Part 1:General test requirements GB/T 17623-1998 Determination of componental contents of gases dissolved in insulating oil by gas chromatography method JB/T 5895-1991 GB/T 4796-2001 Classification of environmental parameters and their severities of electric and electronic products GB/T 4796-2008 Classification of environmental conditions of electric and electronic products—Part 1:Environmental parameters and their severities GB/T 4796-2017 Classification of environmental conditions—Environmental parameters and their severities GB/T 11604-2015 Testing procedure of radio interference generated by high voltage equipment JB/T 5356-2002 Current transformer test guidelines JB/T 5356-1991 JBT 5356-1991 Guidelines for testing of current transformer

IEC 60044-1:2003