1. Wang T, Chen G T, Qian Z A. Current situation and countermeasures of sand-dust storm in northern China. J Desert Res, 2001, 21: 321–327
2. He B, Wan J, Chen B F, et al. Study on artificial simulation for contamination of insulator under sand-dust storm environment. J Xi’an Jiaotong Univ (Natural Sciences), 2008, 42: 1510–1516
3. Pandya A A, Kanitkar S A. Breakdown characteristics of air under different conditions using insulated pressure chamber developed in-house. IEEMA J, 2006, 26: 99–104
4. GB/T 20480-2006. China Meteorological Bureau-National Standard for Sand-dust Storm-Grade of Sand and Dust Storm Weather. Beigjing: China Meteorological Press, 2006
5. Pham Hong T, Tran Van T. Electrical field behavior of transmission line insulators in polluted area. In: Proceedings of 2008 International Symposium on Electrical Insulating Materials. NJ, USA: IEEE Piscataway, ISEIM 2008. 530–536