南网数字：“极目”传感器含输电、变电、配网三大系列

Group 1 - The core viewpoint of the article highlights that Nanfang Digital has developed a series of sensors named "Jimu" which includes three main categories: transmission, substation, and distribution network [2] - The transmission type sensor is designed to be installed on high-voltage lines for multi-parameter sensing [2] - The substation type sensor integrates multiple monitoring methods for transformers, while the micro electrical quantity type is aimed at low-cost operation and maintenance, already being utilized for real-time monitoring in distribution networks [2]