依据电子式电流互感器标准 ＩＥＣ６００４４－ ８，对电子式互感器的数字输出接口进行了研究，对规约中规定的电子式互感器的结构、数字输出的物理层、链路层以及应用层进行了详细地分析，并提出了具体的解决方案。-based Electronic Current Transformer standard IEC60044-8, Electronic Transformer right to a digital output interface for the study of the Statute provides electronic transformer structure, digital output of the physical layer, data link layer and the application layer conducted a detailed analysis of the situation and put forward specific solutions.