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Yulius Salu Pirade
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Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering

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STUDI BEBAN TIDAK SEIMBANG TERHADAP ARUS NETRAL PADA TRANSFORMATOR DISTRIBUSI P70 PADA PLN CABANG PALU Pirade, Yulius Salu
MEKTEK Vol 11, No 3 (2009)
Publisher : MEKTEK

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Abstract

STUDI BEBAN TIDAK SEIMBANG TERHADAP ARUS NETRAL PADA TRANSFORMATOR DISTRIBUSI P70 PADA PLN CABANG PALU
STUDI PEMANFAATAN SALURAN IRIGASI DI DESA PORAME UNTUK PEMBANGKIT LISTRIK TENAGA PICOHIDRO (PLTPH) MENGGUNAKAN GENERATOR SINKRON MAGNET PERMANEN SATU FASE Adam, Ahmad Antares; Amin, Nurhani; Masarrang, Maryantho; Pirade, Yulius Salu; Arifin, Yusnaini; Bunga, Melki
Foristek Vol. 15 No. 1 (2025): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v15i1.749

Abstract

Hydropower plants (PLTA), micro-hydro plants (PLTMH), and pico-hydro plants (PLTPH) in Indonesia use generators with excitation systems to generate fields or magnetic field amplifiers. The use of excitation systems in generators has several drawbacks. In the era of technological development, various types of generators have been developed, one of which is the permanent magnet generator. The Permanent Magnet Synchronous Generator (PMSG) has separate excitation from the synchronous generator and is carried out by permanent magnets to generate the magnetic field instead of coils. This research aims to explore the potential of irrigation channels being utilized as PLTPH using permanent magnet generators. The research method used is the experimental method. The experimental research method is a true experimental method where the equipment is tested and examined. Experimentation involves observation under artificial conditions, where these conditions are created and controlled by the researcher. This study shows that the irrigation channel in Porame Village has the potential to be used as a Pico-Hydro Power Plant (PLTPH) to provide electrical energy as an alternative lighting source, especially at night and during power outages from the national electricity grid (PLN). From the measurement and calculation results, the water flow rate at night is 0.3835 m³/s, with the water power being Pair = 1,901 watts. The type of turbine used is a crossflow turbine, utilizing a permanent magnet synchronous generator.
ANALISA SETTING PROTEKSI OVER CURRENT RELAY (OCR) PADA GENERATOR 30 MW UNIT PLTA POSO PT. POSO ENERGY Ramadani, Angger; Rahman, Yuli Asmi; Masarrang, Maryantho; Kali, Agustinus; Pirade, Yulius Salu
Foristek Vol. 14 No. 1 (2024): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v14i1.371

Abstract

To ensure that the performance of the protection system is still good or not in terms of protection, calculations and adjustments must be made to the safety relay settings, especially the over current relay. In the research, analysis of the over current relay protection settings on the 30 MW generator at the Poso 1 PT PLTA unit. Poso Energy obtained that the maximum load current data on the generator was 2042 A, while the calculation results obtained were 2041.7 A. For the relay (top) operating time in the specification data, the value was 1.4 s, while in the calculation results it was 1.3 s. And for the setting current (Is) in the specification data the value is 4.7 A, whereas in the calculation results it is 4.28 A. Over current relay (OCR) or over current relay is an auxiliary relay from the differential relay, the over current relay is used to secure the generator of the overcurrent in the Poso 1 PLTA is PCS-985GE-EN-H2-110V-5A. In the specification data, the TMS value is 0.15 s, while in the calculation results it is 0.14 s. This means that data in the field is slower to protect components from interference by 0.01 s. However, overall the overcurrent relay settings on the generator at the Poso 1 PLTA are still in good condition.
Co-Authors Agustinus Kali Ahmad Antares Adam Bunga, Melki Maryantho Masarrang Nurhani Amin Ramadani, Angger Yuli Asmi Rahman Yusnaini Arifin