Draft Document - Communication networks and systems in substations - Part 7-3: Basic communication structure for substations and feeder equipment - Common data classes - Amendment 1: Clarifications and Corrections, and Extensions for Power Quality and Representation of Historical and Statistical Information (IEC 57/779/CD:2005), text in English
文件草案.变电站通信网络和系统.第7-3部分:变电站和馈线设备的基本通信结构.通用数据类.修改件1:电能质量的澄清和修正及扩展.历史和统计信息的表示