章欣,段晓萌,江小强,崔星毅,邹跃.智能电表时钟电池欠压故障剖析及防范措施研究[J].电测与仪表,2014,51(10):. ZHANG Xin,DUAN Xiao-meng,JIANG Xiao-qiang,CUI Xing-yi,ZOU Yue.Fault Analysis and Preventive Measures Study on Smart Meter Battery[J].Electrical Measurement & Instrumentation,2014,51(10):.
智能电表时钟电池欠压故障剖析及防范措施研究
Fault Analysis and Preventive Measures Study on Smart Meter Battery
Smart meter clock battery can provide power supply to the clock chip when power-down. The undervoltage problems of smart meter clock battery affect the accurate timing seriously. Analyze the theory discharge time of lithium battery in smart meter from theory; According to the field operating fault case, analyse the reason of battery undervoltage; Propose measures to reduce the undervoltage fault, then compare the essential difference between battery passivation and battery undervoltage, put forward a new online battery monitor scheme.