•  Design of electrode arrangement between the ball with air as overvoltage protection equipment 6 kV class
  •  Design of coaxial electrode arrangement with the air gap as overvoltage protection equipment class 4 kV
  •  Design of PCB arrester as overvoltage protection equipment class 4 kV
  •  Design of PCB arrester as overvoltage protection equipment 1.5 kV class
  •  Characteristics of volt-time ceramic arrester voltage of 20 kV
  •  Analysis decoupling element for coordination arrester PCB 4 kV and 1.5 kV arrester PCB
  •  Engineering decoupling element for coordination arrester PCB 1.5 kV and 0.8 kV zener diode
  •  Design wake hybrid impulse generator 10 kV with type 1.2 / 50 μs and 15 kA 8/20 μs type
  •  Effect of wetting voltage insulators on the distribution chain and leakage current
  •  Effect of wetting voltage insulators on the distribution chain and leakage current
  •  The influence of the composition of the mixture of resin and hardener material against leakage current and conductivity
  •  Effect of needle-plate electrode to the breakdown voltage on palm oil
  •  The influence of the shape and configuration of the busbar current-carrying capability