- 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