1. Boggs S (2004) Analytical approach to breakdown under impulse conditions. IEEE Trans Dielectr Electr Insul 11(1):90–97
2. Xu XJ, Zhu DC (1996) Gas discharge physics. Fudan University Press, Shanghai
3. Ma NX (1998) Long gap discharge. China Electric Power Press, Beijing
4. Thione L, Pigini A, Allen NL et al (1992) Guidelines for the evaluation of the dielectric strength of external insulation. CIGRE Brochure, Paris, France
5. Shu SW, Ruan JJ, Huang DC et al (2015) Prediction for breakdown voltage of air gap based on electric field features and SVM. Proc CSEE 35(3):742–750