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Benny Maluegha
Universitas Sam Ratulangi
Automotive Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PEMANEN ENERGI LISTRIK DARI CURAH HUJAN MELALUI TRANSDUSER PIEZOELEKTRIK SECARA SERI DAN PARALEL Arief Moonik; Jotje Rantung; Benny Maluegha
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 12 No. 1 (2023): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Electrical energy has become one of the basic needs for the continuity of human activities. From time to time human activities continue to increase and the demand for electrical energy also increases. In order to overcome this, many innovations in electricity are needed to support the need for electricity. By utilizing rainfall that continues to exist every year, this research was carried out to obtain the performance of converting raindrop energy into electrical energy through piezoelectric circuits and different rainfall parameters. The method used in this research is an experimental method, where the pressure applied to the piezoelectric varies to produce a voltage. There are two types of tests carried out in this study, namely testing with a series circuit and testing with a parallel circuit of various height variations, including: 170 cm, 190 cm, 210 cm, 230 cm, 250 cm, and 270 cm. In testing series and parallel circuits, the highest output voltages are both at a height of 270 cm. However, when viewed from the whole experiment with ten variations to the six heights, the series circuit produces more average voltages than the parallel circuit. Keywords: Piezoelectric, Series Circuit, Parallel Circuit, Rain.
UNJUK KERJA BOILER TIPE CFB PADA UNIT 2 PLTU SULUT-3 DENGAN METODE LANGSUNG Rival Maulana; Frans Palobo Sappu; Benny Maluegha
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 12 No. 1 (2023): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Steam power plant is a steam powered power plant that rotate a turbine connected to generator to generate electricity. Steam produced by an equipment that called a boiler. Boilers produce steam by heating water with heat energy that generated by the combustion of fuel. This study was conducted to analyze how effective the boiler at PLTU Sulut-3 generating unit in absorbing heat energy from the fuel. The method used in this research is the calculation of efficiency with the direct method or the Input-Output method. Based on the results of efficiency calculations at 30MW power variations get an average efficiency of 78%, at 45 MW get an average efficiency of 80.09%, and at 55MW an average efficiency of 80.25%. From the results of the study, it was concluded that the greater the steam production in the boiler, the greater the efficiency. Keywords: boiler efficiency, direct method
Co-Authors Arief Moonik Frans Palobo Sappu Jotje Rantung Rival Maulana