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"The Great East Japan Earthquake on March 11,2011 that left 20,000 people dead or missing have brought strong emosional impact of earthquake and tsunami throughout the whole world. Recently, Japanese government reported that an M9 Nankai Trough earthquake may result in as high as 323,000 deaths and devastate wide area of the coastline in Japan. In the March earthquake, the damages such as death, missing persons, and collapse became serious because of the disruption in information communication systems such as telephone network, local area network, cellular phone, etc. Therefore, disaster resistant information communication systems have become one of the major challenges for the researchers and engineers. in this paper, we discuss our proposed "Never Die Network" which is one of the disaster-resistant information communication systems and site examples based on our painful experiences of the Great East Japan Earhquake that had a great impact not only on ways of our lives but also on the future science and technology."

"ABSTRAKPhotovoltaic PV adalah salah satu energi terbarukan yang telah berkembang dan menjadi sumber energi yang menanjikan untuk digunakan di perumahaan. Oleh karena itu tenaga surya mandiri ini menjadi solusi sebagai sumber listrik di daerah pedesaan, dimana daerah tersebut tidak terjangkau oleh PLN. Karenanya, desain PV sistem yang optimum harus dilakukan untuk mencari sistem perancangan array PV yang memiliki biaya terjangkau. Di penelitian ini dengan membandingkan 2 metode, maka metode yang optimal untuk mendesain tenaga surya mandiri akan di dapatkan.

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ABSTRACT

Photovoltaic PV , one of renewable energy has grown to become one of the most promising energy source for residential use. There by, Stand alone photovoltaic system is a solution as power plant in rural area that is not reach by electicity provider. The stand alone photovoltaic system depends on the load profile, battery sizing, and PV sizing. Hence, an optimal PV sizing and Battery sizing should be investigated to result an affordable PV array that will influence the cost. There fore, by comparing two method, then an optimum method for photovoltaic stand alone can be obtained. "

"Many people think of the smart grid as a power distribution group built on advanced smart metering, but that?s just one aspect of a much larger and more complex system. The "Smart Grid" requires new technologies throughout energy generation, transmission and distribution, and even the homes and businesses being served by the grid. This also represents new information paths between these new systems and services, all of which represents risk, requiring a more thorough approach to where and how cyber security controls are implemented.This insight provides a detailed architecture of the entire smart grid, with recommended cyber security measures for everything from the supply chain to the consumer."