This specification is applicable to the design of relay protection and automatic devices for 3N llokV power lines and equipment in various industries, generators with a single unit capacity of 25MW and below, and power transformers of 63MVA and below.
GB 50062-1992 history
2008GB/T 50062-2008 Code for design of relaying protection and automatic device of electric power installations
1992GB 50062-1992 Design code for relaying protection and automatic device of electric power installation
GB 50062-1992 Design code for relaying protection and automatic device of electric power installation was changed to GB/T 50062-2008 Code for design of relaying protection and automatic device of electric power installations.