• 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
  • Effect of needle-plate electrode to the breakdown voltage on palm oil
  • Characteristics of volt-time ceramic arrester voltage of 20 kV