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All Journal Journal of English Language Teaching Journal of Energy and Electrical Engineering (JEEE)
Nurmela, Nurmela
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Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media

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OPTIMASI KINERJA SISTEM PEMBANGKIT LISTRIK HYBRID Nurmela, Nurmela; Hiron, Nurul
Journal of Energy and Electrical Engineering Vol 1, No 1: Oktober 2019
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (372.9 KB) | DOI: 10.37058/jeee.v1i1.1189

Abstract

Pulau Karimunjawa hingga saat ini belum mendapatkan layanan listrik dari PLN, sebagai gantinya suplai listrik diperoleh dari PLTD. Salah satu kekurangan dari PLTD adalah Biaya Pokok Pembangkitan (BPP) operasional yang besar, yaitu mencapai Rp. 6500/kWh pada tahun 2018. Pada artikel ini, mengusulkan solusi pengurangan biaya BPP melalui diversifikasi energi, yaitu gabungan dari PLTS dan PLTD. Metode yang diusulkan adalah analisis LCOE dan BPP untuk mendapatkan nilai optimasi secara ekonomi, kemudian melalui simulasi, ditentukan komposisi skenario yang tepat untuk sistem kelistrikan Karimunjawa dan analisis performa sistem dari skenario yang dipilih. Hasil dari analisis, diperoleh bahwa Biaya Pokok Pembangkitan (BPP) dapat ditekan melalui penetrasi PLTS. Hasil analisi menunjukan kinerja sistem setelah penetrasi PLTS, terjadi perbaikan optimalisasi sistem tenaga, di antaranya losses menjadi 1%, aliran daya, short circuit ratio, serta kondisi intermittency ketika iradiasi turun dari 100% ke 25% frekuensi sistem minimum 49.5 Hz.
Students’ Perception on the Implementation of Jumbled Words to Reinforce Their Grammar Mastery at the Eighth Grade of SMPN 15 Padang Nurmela, Nurmela; Rani, Yati Aisya
Journal of English Language Teaching Vol 13, No 1 (2024)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jelt.v13i1.127197

Abstract

This study aimed to find out the students’ perception on the implementation of Jumbled Words to reinforce their grammar mastery at the eighth grade of SMPN 15 Padang. This research used descriptive method. The sample of this study was the students of VIII.5 class who were selected used purposive sampling. Questionnaires and interviews were used to collect the data. Questionnaires as the main instrument and interviews as the strengthening instrument. The results of this study showed that most of the students had a positive perception on the  implementation of Jumbled Words to reinforce their grammar mastery. Despite the fact that the perception of most of the students was very positive, there were still some students who disagreed with this thing. After conducting interviews, it was discovered that the reason they gave a negative perception of jumbled words was because basically they did not understand grammar. Their lack of understanding of grammar made them hated the lesson, which ultimately caused them to have a negative perception on the learning activity implemented in teaching grammar itself. Therefore, teachers are expected to pay more attention to students who give negative perceptions, in other words those who do not understand grammar. Apart from that, teachers are also expected to be able to provide great learning activities in teaching grammar to students. Thus, whatever learning activities are applied in grammar learning later, they can enjoy it.
Co-Authors Nurul Hiron, Nurul Rani, Yati Aisya