K. Naito

DC contamination performance of station insulators

K. Naito, S. Kunieda, Y. Hasegawa, 1988 .

Improvement of the DC voltage insulation efficiency of suspension insulators under contaminated conditions

K. Naito, K. Morita, Y. Hasegawa, 1988 .

RI, TVI and AN characteristics of HVDC insulator assemblies under contaminated condition

K. Naito, Y. Hasegawa, Koji Kato, 1988 .