Failure analysis of External load switch equipped in electricity meter

摘要

External load switch equipped in electricity meter play an important role in the normal operation of the terminal circuit and equipment. Therefore, it has important practical significance to analyze and improve the common failure modes of external load switch equipped in electricity meter. This paper introduces several common failure modes of external load switch equipped in electricity meter, analyzes the failure modes and takes the corresponding improvement measures, which can effectively improve the reliability of the use of external load switch equipped in electricity meter.