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HYBRID POWER SYSTEM MODELING FOR ELECTRICITY SYSTEM IN SUMBAWA DISTRICT (HYBRID POWER SYSTEM MODELING) sumartono -; Ahmad Agus Setiawan; Bertha Maya Sopha
ASEAN Journal of Systems Engineering Vol 3, No 1 (2015): ASEAN Journal of Systems Engineering
Publisher : Master in Systems Engineering

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Abstract

Include the provision of energy management, utilization and enterprise shall be done justice, sustainability and so can not give optimal benefits for the greater welfare of the people. Sumbawa has a variety of potential sources of renewable energy such as; water energy, solar energy, wind energy, geothermal energy and biomass. From a variety of renewable energy potential can be made a model of hybrid power system design for the electrical system in Sumbawa is based on renewable energy in the region.             The purpose of this study was to determine the magnitude of the potential of renewable energy for power generation, knowing large share of renewable energy to the electrical energy needs and design a model of hybrid power system for electrical system in Sumbawa by using HOMER (Hybrid Optimisation Model for Electric Renewables).             The results of this study recommend a model of hybrid power system that is optimum for a total net present cost (NPC) US $ 144,954,400, operating cost of US $ 1,801,515 / year, the cost of electric (COE) US $ 0.090 / kWh of excess electricity and 99,072,760 (kWh / year) and the contribution of each component of the capacity modeling results are; PV Array 4.4%; wind turbine 20.3%; hydro turbine 74.4%; biomass generator 0.8%; G1 and G2 diesel generator as a back-up system by 0.1%. The results of model simulations also show that the model of hybrid power system that is recommended to have much lower levels of emissions than conventional systems where there is a reduction in the level of emissions into the environment by 99.75%. Thus the hybrid power system for electrical system in Sumbawa considered feasible as an alternative solution to meet the electrical energy needs in Sumbawa
ISOLASI TOXOPLASMA GONDII PADA AYAM BURAS Ida Ayu Pasti Apsari; Wayan Tunas Artama; Sumartono -; I Made Damriyasa; Ida Bagus Made Oka; Ida Bagus Ngurah Swacita
Buletin Veteriner Udayana Vol. 3 No.2 Agustus 2011
Publisher : The Faculty of Veterinary Medicine, Udayana University

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A study was conducted Toxoplasma gondii isolate from the brain and the heart of freerangechickens in Bali. The aim of this study to determine the seroprevalence andto isolate Toxoplasma gondii from free-range chicken heart and brain. To achieve of thisstudy observed 311 free-range chicken serum samples with ELISA method and examined225 free-range chicken brain and heart used digestion method. All of the samples takenfrom 9 districts in Bali. The results showed that the seroprevalence of Toxoplasma gondiiinfreerange chicken has 91.64%. Isolation of Toxoplasma godii from the heart and the brainfreerange chicken found the cyst on inoculate heart and brain, but by bioassay in mice for4 weeks observation failed to find tachyzoite form in peritonial exudat
Co-Authors Ahmad Agus Setiawan Bertha Maya Sopha I Made Damriyasa Ida Ayu Pasti Apsari Ida Bagus Made Oka Ida Bagus Ngurah Swacita Wayan Tunas Artama