| 초록 |
Electrical system is divided into AC (Alternating Current) and DC (Direct Current) according to the polarity and magnitude of the current. DC is advantageous for long-distance transmission due to low power loss compared to AC, and has advantages in terms of safety including electrode damage, fire and so on. For these reasons, researches about HVDC cables suitable for new renewable energy transmission and power exchange between countries have been actively progressed. In this study, a PP composite that can be used for the insulation layer of HVDC cables was developed. To control the flexibility, a thermoplastic elastomer (TPE) was added to the base resin, and various inorganic nanoparticles were applied to prevent space charge accumulation. All components were prepared by compounding with a twin-screw extruder, and consequentially the PP composite was satisfied required mechanical and electrical properties. |
