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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) International Journal of Reconfigurable and Embedded Systems (IJRES) Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Teknik Elektro Jurnal Ilmiah Dinamika Rekayasa (DINAREK) JTERA (Jurnal Teknologi Rekayasa) Jurnal Pendidikan dan Teknologi Indonesia Jurnal Pengabdian Masyarakat Indonesia Jurnal Nasional Teknik Elektro dan Teknologi Informasi
Winasis Winasis
Teknik Elektro, Universitas Jenderal Soedirman, Indonesia
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Public Health Social Sciences

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Journal : Jurnal Nasional Teknik Elektro dan Teknologi Informasi

 1 
Optimalisasi Jangka Menengah PLTA Memperhatikan Ketersediaan Air Menggunakan Linear Programming Winasis; Hari Prasetijo; Giri Angga Setia
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 2: Mei 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Hydro power plant is kind of electric power generation which utilize energy from water fall to produce electricity. One of its operational problem is limited water supply and available water which can be stored in reservoir. This limitation will affect the electrical energy can be generated by the hydro power plant. This paper present a methodology of medium term optimization of hydro power plant operation to maximize its energy production with considering water availability in reservoir as operational constraint. Operation optimization problem is formulated in Linear Programming model and then solved using Tomlab optimization software. Simulations using water flow data of Ketenger Hydro Power Plant on June 2013 show that this method can be used to solve hydro power plant operation optimization problem well. Based on the simulation results with a period of 720 hours (1 month) the total electrical energy that can be generated is equal to 2990.8 MWh. This value is 69,6 MWh (or 2,3%) greater when compared to the real condition of electrical power generated in June with ammount of 2921,2 MWh.
Desain Sistem Monitoring Sistem Photovoltaic Berbasis Internet of Things (IoT) Winasis; Azis Wisnu Widhi Nugraha; Imron Rosyadi; Fajar Surya Tri Nugroho
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 5 No 4: November 2016
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Photovoltaic (PV) system is an alternative solution to provide electricity at rural area. A common implementation problem at rural area is the PV power plant cannot be monitored continuously. This research proposes wireless node for PV power plant monitoring based on Internet of Things (IoT). Wireless node is aimed for monitoring electrical parameter from the PV and environmental parameter (temperature and solar radiation). Measured parameters are sent to the cloud database to be accessible via the internet. The device consist of a sensor module, signal processing module and wireless transceiver module. Wireless transceiver module is an ESP8266 for connection to the IoT gateway and to the internet. Unidirectional ACS758 is used for current sensing, which give a reading error of 0.091 Ampere. For voltage sensing, a voltage divider is used. It has a reading error of 0.063 Volt. DHT22 is used for temperature sensing. Its reading error is 0.0097 °C. The radiation sensor has a reading error of 0.3 W/m2. Proposed design has been tested at Laboratorium of Energy Convertion, Electrical Engineering Department, UNSOED, on 300Wp PV system. This device provides reliable monitoring data transmission with average and deviation in delivery time consecutively 57 seconds and 2 seconds.
Co-Authors Abu Bakar, Afarulrazi Ambariyanto Ambariyanto Arief Wisnu Wardhana, Arief Wisnu Azis Wisnu Widhi Nugraha Bagus Karnanto Daru Tri Nugroho Fajar Surya Tri Nugroho Giri Angga Setia Hari Prasetijo Hari Prasetijo Hari Siswantoro, Hari Imron Rosyadi Mulki Indana Zulfa Nugroho, Fajar Surya Tri Priswanto Priswanto, Priswanto Purnomo, Widhiatmoko Herry Purwanto Bekti Santoso, Purwanto Bekti Rafly Sulthan Mahdy Retno Supriyanti Rosyadi, Imron Sarjiya Satria Ardhi Permana Sebastian Adi Prakoso Suroso Suroso Suroso Suroso Suroso Suroso Wahyu Mulyo Utomo Widhiatmoko Herry Purnomo Yanuar Haryanto Yogi Ramadhani