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All Journal Jurnal SPEKTRUM Research of Economics and Business
Fajar Rizky Kurniawan
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Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Other

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ANALISIS KINERJA UNDER FREQUENCY RELAY PADA SUBSISTEM KELISTRIKAN BALI SAAT KONDISI ISLAND OPERATION Fajar Rizky Kurniawan; I G. Dyana Arjana; Rukmi Sari Hartati
Jurnal SPEKTRUM Vol 7 No 4 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (535.801 KB) | DOI: 10.24843/SPEKTRUM.2020.v07.i04.p17

Abstract

An electric power system will get overload disturbance if a plant that was previouslyable to supply power to a system that is outage, causes other plants that are still operating tohave the entire load of the system. This study aims to see the performance of under frequencyrelay (UFR) that has been installed in the Bali system in overcoming overload disturbances,namely in the form of generator outages according to the scenario that has been made. Themethod used is to model the load shedding scheme using UFR in software and run according tothe scenario. The scenario referred to is a disturbance that causes one or more generators toexperience blackouts due to disturbances. The results of the analysis show that under thefrequency relay (UFR) installed in the Bali system it cannot return the system frequency to itsnormal state, namely the system has a shortage of generating power with a steady statefrequency below 49.8 Hz in the 3rd, 4th fault scenarios. , and the 5th while the system hasexcess power generation with a stable state frequency above 50.2 Hz at the 9th and 10thdisturbances.
Pengaruh Media Sosial Terhadap Perilaku Konsumsi Skincare Gen Z Fajar Rizky Kurniawan; Dwi Gratia Irene Manik; Dike Dirli Amanda; Adinda Abillah
ROE: Research of Economics and Business Vol. 1 No. 1 (2025): (April) ROE: Research of Economics and Business
Publisher : PT. Altaf Publishing Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70895/roe.v1i1.23

Abstract

Abstrak. Penelitian ini menganalisis dampak media sosial terhadap perilaku konsumsi di kalangan Generasi Z, khususnya mahasiswa di Politeknik Negeri Medan. Media sosial memainkan peran penting dalam membentuk preferensi dan keputusan pembelian melalui konten promosi, ulasan influencer, dan iklan berbayar. Metode penelitian kuantitatif digunakan, dengan kuesioner didistribusikan ke 113 responden. Temuan menunjukkan bahwa lebih dari 70% responden mengakui bahwa media sosial secara signifikan memengaruhi keputusan pembelian produk mereka. Faktor utama yang mempengaruhi termasuk ulasan positif, rekomendasi influencer, dan tren viral di media sosial. TikTok diidentifikasi sebagai platform paling berpengaruh dalam membentuk tren. Selain itu, Fear of Missing Out (FOMO) dan tekanan sosial berkontribusi pada peningkatan konsumsi di kalangan Gen Z. Studi ini memberikan wawasan bagi produsen dan pemasar untuk mengembangkan strategi pemasaran yang lebih efektif dan membantu konsumen membuat keputusan pembelian yang lebih tepat.
Co-Authors Adinda Abillah Dike Dirli Amanda Dwi Gratia Irene Manik I Gede Dyana Arjana Rukmi Sari Hartati