GB/T 26218.1 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions.Part 1:Definitions,information and general principles
GB/T 26218.2 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions.Part 2:Ceramic and glass insulators for a.c.systems
GB/T 26218.3-2011 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions.Part 3:Composite insulators for a.c.systems
GB/T 311.3 Insulation co-ordination—Part 3: Procedures for high-voltage direct current (HVDC) converter stations*, 2017-09-29 Update
GB/T 4796 Classification of environmental conditions—Environmental parameters and their severities*, 2017-12-29 Update
GB/T 7354 High-voltage test techniques—Partial discharge measurements*, 2018-09-17 Update
GB/T 19749.1-2016 history
2016GB/T 19749.1-2016 Coupling Capacitors and Capacitive Dividers Part 1: General
2005GB/T 19749-2005 Coupling capacitors and capacitor dividers
GB/T 19749.1-2016 has been changed from GB/T 19749-2005 Coupling capacitors and capacitor dividers.