IEC 60255-187-1 Ed. 1.0 b Cor.1:2023
IEC 60255-187-1 Ed. 1.0 b Cor.1:2023 Corrigendum 1 to Measuring relays and protection equipment – Part 187-1: Functional requirements for differential protection – Restrained and unrestrained differential protection of motors, generators and transformers
Amendment byInternational Electrotechnical Commission , 04/01/2023
