This specification is applicable to the engineering design of newly built or expanded thermal power plants with a unit capacity of 750-25000kW, hydropower plants with a unit capacity of 200-10000kW, and substations (distribution) substations with a voltage level of 1100kV and below.
GBJ 63-1990 history
2017GB/T 50063-2017 Code for design of electrical measuring instrumentation devices for power installations
2008GB/T 50063-2008 Code for design of electrical measuring device of power system
1991GBJ 63-1990 Specifications for the design of electric measuring instrument system
GBJ 63-1990 Specifications for the design of electric measuring instrument system was changed to GB/T 50063-2008 Code for design of electrical measuring device of power system.