Application Analysis of Optoelectronic Technology in Online Monitoring of Leakage Current of Lightning Arresters
As the main means of lightning protection in distribution networks,lightning arrester is widely used in distribution lines and distribution transformers.The characteristics of lightning arrester failure and common fault states are analyzed,and based on the current monitoring of lightning arrester leakage current,the aspects of leakage current measurement,data acquisition and transmission,data analysis and processing,abnormality alarm and diagnosis as well as remote monitoring are elaborated,and the application principle and application technology content of optoelectronic isolation technology in the monitoring of lightning arrester leakage current are meticulously analyzed.The application of photoelectric coupler to photoelectric conversion and computer processing of current changes,and display and alarm,can ensure the safe and smooth operation of lightning arrester.
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