为设备最高电压高于1 kV的变电站内产品和系统标准的协调提供指导的横向出版物。包含所有高压变电站产品标准的通用规范建议，每个标准都有特定于每个TC的技术背景，自然保留了技术选择的自由。供涉及高压（HV）变电站系统的TCs使用，如TCs 13、14、17、20、22、28、32、33、36、37、38、57、95和99。

Horizontal publication giving guidance for the harmonization of product and system standards within substations where the highest voltage for equipment is higher than 1 kV. Contains recommendations for common specifications for all HV substation product standards, each of which is augmented by the technical background specific to each TC, which naturally retains freedom in its technical choices. For use by TCs involved in high-voltage (HV) substation systems, such as TCs 13, 14, 17, 20, 22, 28, 32, 33, 36, 37, 38, 57, 95 and 99.