Development of compact pulse forming lines using higher dielectric constant mediums

Compact pulse forming lines (PFL) can be made using higher dielectric constant materials. A composite dielectric PFL is made using ceramic material and rubber. Ceramic material has higher dielectric constant (> 1000) and also has piezoelectric properties, so rubber is mixed with it due to its better elastic properties. The dielectric constant of a medium also depends on the temperature and stress on the materials. Water is also extensively used in pulsed power system for pulse compression. It is also studied that the dielectric constant of water increases with fall in temperature. This property is experimentally investigated and used in pulse compression system and found an increase in pulse width up to 8% with the decreases in water temperature from 30°C to 4°C.