2Noack, F. , Pospiech, J. , Brocke, R. , Schonau, J. , Reliable overvoltage protection of electronic devices in low-voltage ower systems, Electromagnetic Compatibility [ M ]. International Symposium on, 1999: 298-301.
3Radbe,V. P. Metal oxide varistors as surge suppressors,Electromagnetic Interference and Compatibility [ J ]. Proceedings of the International Conference on, 1997:315-319.
4Siegert,R. ,Mohammed ,O. A. Selection of varistor for surge protection purposes based on their voltage-current characteristic [J ]. Proceedings of the IEEE, 2000: 162-165.
