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Research & Development




                                                     VG3S: A Natural Self-sustained

              Development of                         Stabilization System for

              Graphene-based                         Remote Terrain

              Wireless Mobile                        Due to its location within tropical region, Malaysia receives tremendous amount
              Phone Charger                          of rainfalls especially during monsoon season from October to February. During
                                                     this season, a general pattern in increased slope failures were recorded. This
                                                     has caused great loss to the nation in terms of financial and social wellbeing.
                                                     In Malaysia, the occurrences of recorded landslides and erosions mostly
              This research, funded by NanoMalaysia   occurred within Banjaran Titiwangsa where the highest peak is located at 2,183
              Bhd., is to identify the type of filament and   m above the sea level. Slope instability has been considered as one of the
              semiconductor material which can be used   main causes of transmission tower collapse. For example, a 33kV transmission
              to fabricate graphene-based antenna. Other   tower collapsed due to landslide in Pergau four years ago. This incident has
              than that, it will establish the impedance   resulted in RM1.5Million of monetary loss due to inability of power station to
              matching method required to achieve the   be operated. Meanwhile, on 28 February 2004, two towers had collapsed due
              target parameter characteristic for graphene   to slope instability within 275kV at the Segari - Ayer Tawar line where towers
              antenna. Recommendation of the filament   were built on steep slopes. The fallen towers have affected parallel tower
              type and semiconductor material for    next to it, causing tripping of the system and power disruption to certain areas
              fabricating the graphene-based antenna   and total direct cost for repair works was almost RM 4.2 Million. Therefore,
              as  to  mitigate  the  potential  abnormal   maintaining the stability of slope is crucial to ensure continuous power supply.
              volume resistivity and effective resistance   However, most available repair work methods for slope instability problems
              of the 3D printed structure as well as good   require mobilization machineries where this may be viewed as a problem for
              composite for sustainable conductivity along   hazardous terrain and remote area. Thus, to achieve that, a solution such as
              the transmission line, is one of the expected   VG3S system which requires minimum maintenance works and self–sustain
              outcome.                               will be an advantage to this problem.




































             ANNUAL REPORT 2019 | Universiti Tenaga Nasional                                               71
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