GB/T 12667-1990 General specification for excitation assembly with semiconductor for synchronous motor

GB/T 12667-2012 General specification for excitation assembly with semiconductors for synchronous motors

ZB K62 001 JB 2438 JB 3975 GB 156-2003 Standard voltages GB/T 156-2007 Standard voltages GB/T 156-2017 Standard voltages GB/T 762-2002 Standard current ratings GB/T 2424.7-2006 Environmental tests for electric and electronic products—Measurements in temperature chambers for tests A and tests B (with load) GB/T 2424.7-2024 Environmental testing—Part 3:Supporting documentation and guidance—Meas-urements in temperature chambers for tests A(Cold)and B(Dry heat)(with load) GB/T 2681-1981 Colors of insulated conductors used in electrical assembly devices GB/T 2682-1981 Colors of indicator lights and push-buttons used in electrical assembly devices GB/T 3797-2005 Electrical control assemblies GB/T 3797-2016 Electrical control assemblies GB/T 3859.1-1993 Semiconductor convertors—Specification of basic requirements GB/T 3859.1-2013 Semiconductor converters—General requirements and line commutated converters—Part 1-1:Specification of basic requirements GB/T 3859.2-1993 Semiconductor convertors—Application guide GB/T 3859.2-2013 Semiconductor converters—General requirements and line commutated converters—Part 1-2:Application guide GB/T 3859.3-1993 Semiconductor convertors—Transformers and reactors GB/T 3859.3-2013 Semiconductor converters—General requirements and line commutated converters—Part 1-3:Transformers and reactors GB/T 3859.4-2004 Semiconductor converter—Self-commutated semiconductor converters including direct d.c.converters GB/T 4205-2003 Man-machine interface(MMI)—Actuating principles GB/T 4205-2010 Basic and safety principles for man-machine interface(MMI),marking and identification—Actuating principles GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 4588.1-1996 Sectional specification:single and double sided printed boards with plain holes GB/T 4588.2-1996 Sectional specification:single and double sided printed boards with plated-through holes GB/Z 156-2025 Good practice for dynamic light scattering(DLS) measurements