This part of GB/T 2820 specifies the requirements for control and switchgear for generating sets driven by reciprocating internal combustion (RIC) engines. This standard applies to land and marine alternating current (ac) generator sets driven by reciprocating internal combustion (RIC) engines. It does not apply to generator sets for aviation or for driving land vehicles and locomotives.
IEC 60947-1:2000 Low-voltage switchgear and controlgear - Part 1: General rules
IEC 62271-200:2003 High-voltage switchgear and controlgear - Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
GB/T 2820.4-2009 history
2009GB/T 2820.4-2009 Reciprocating internal combustion engine driven alternating current generating sets.Part 4:Controlgear and switchgear
1997GB/T 2820.4-1997 Reciprocating internal combustion engine driven alternating current generating sets. Part 4: Controlgear and switchgear