Fig. 7

Leakage current of insulator when ESDD = 0.12 mg/cm2, NSDD = 0.58 mg/cm2 and humidity = 65% under different coating profiles: (a) UC, (b) PC, and (c) FC.

Leakage current of insulator when ESDD = 0.12 mg/cm2, NSDD = 0.58 mg/cm2 and humidity = 65% under different coating profiles: (a) UC, (b) PC, and (c) FC.