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All Journal Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE)
M.Chaisar Al Furqon, Furqon
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science

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Studi Mendalam tentang Partial Discharge pada Transformator Daya: Tantangan dan Analisis Artikel Terpilih: In-depth Study of Partial Discharge in Power Transformers: Challenges and Analysis Selected Articles M.Chaisar Al Furqon, Furqon
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 4 No 1 (2024): IJEERE June 2024
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v4i1.1477

Abstract

Partial discharge (PD) is an electrical phenomenon that occurs in the insulation of a power transformer when high voltage causes the release of small amounts of electrical energy. Although PD itself does not directly cause damage, this phenomenon can gradually damage the insulation, reduce its effectiveness, and eventually lead to transformer failure if not detected and addressed. PD usually indicates a weakness or defect in the insulation system, such as an air gap, contamination, or damage to the insulation material. This article reviews recent research on PD in power transformers published since 2020 and selects some dominant studies for further analysis. The article identifies challenges in PD detection and analysis, such as sensor sensitivity, signal interference, and the need for more accurate diagnosis methods.
PENGARUH PERUBAHAN BEBAN GENERATOR SINKRON TERHADAP SISTEM EKSITASI STUDI KASUS PT. PLN INDONESIA POWER UPK PLTA MANINJAU: PENGARUH PERUBAHAN BEBAN GENERATOR SINKRON TERHADAP SISTEM EKSITASI STUDI KASUS PT. PLN INDONESIA POWER UPK PLTA MANINJAU M.Chaisar Al Furqon, Furqon
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 4 No 2 (2024): IJEERE December 2024
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v4i2.1467

Abstract

Generators play an important role in providing electrical energy in power systems. Changing loads on generators in an interconnected system can cause voltage instability. The generator voltage can be regulated through excitation current, which is a DC electrical supply that amplifies the field in the generator to produce electrical energy with an output voltage that depends on the excitation current. The purpose of this study is to analyze the effect of synchronous generator load changes on the excitation system on the generator and the effect of excitation current on the generator voltage of unit 2 of Maninjau Hydroelectric Power Plant. The type of excitation system at Maninjau Hydropower Plant is an excitation system with PMG, the output voltage of unit 2 generator of Maninjau Hydropower Plant is 10 kV. The method used in this research is by looking at the data read on the generator load data and the excitation current read on the DCS parameters. Furthermore, from the data obtained, the generator voltage value is in the range of 10.3 kV - 10.6 kV. This shows that the AVR component works well in reading and giving commands in regulating the generator output voltage. From the data obtained, the value of load changes in the generator affects the value of the injected excitation current. The lowest load is at 10.4 MW with an injected excitation current value of 8 A and the generator voltage is at 10.6 kV, while the largest load is at a value of 16.5 MW with a higher excitation current value.
Tinjauan Metode Pembangkitan Tegangan Tinggi AC: Pendekatan Pembangkitan yang Portabel dan Ekonomis : Tinjauan Metode Pembangkitan Tegangan Tinggi AC: Pendekatan Pembangkitan yang Portabel dan Ekonomis M.Chaisar Al Furqon, Furqon
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 4 No 2 (2024): IJEERE December 2024
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v4i2.1476

Abstract

Although high voltage generation technology exists, its implementation in small-scale or portable applications remains a significant challenge. This underscores the urgent need to develop more accessible, flexible, and affordable high voltage generation technologies, particularly for field applications and small to medium-sized enterprises. This research reviews various existing methods of AC high voltage generation and evaluates their potential for portable and economical applications. Methods such as high-frequency inverters, Tesla coils, Marx generators, H-Bridge generators, switchable capacitor arrays, and dual flyback transformers are assessed for their portability and economic feasibility. The findings indicate that these reviewed AC high voltage generation methods offer practical and economical solutions for various applications, including plasma research, oil drilling, and medical applications. By leveraging compact and relatively inexpensive technologies, this research has the potential to enhance the efficiency and flexibility in developing high voltage generation systems for industrial and research purposes in the future.
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