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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Vokasi Indonesian Journal of Electrical Engineering and Computer Science
Naziruddin Naziruddin
Politeknik Negeri Lhokseumawe
Computer Science & IT Economics, Econometrics & Finance Education Engineering Social Sciences

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Integrated arrangement of advanced power electronics through hybrid smart grid system Nelly Safitri; A. M. Shiddiq Yunus; Fauzi Fauzi; Naziruddin Naziruddin
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 18, No 6: December 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v18i6.13433

Abstract

As an enabler component for renewable energy integration, power electronics (PE) technology in smart grid system is one of the most important issues of development the electrification, decentralization and information-technology/operation-technology (IT/OT) digitization within the electrical energy transmission and distribution systems. The arrangement of PE may different along the feeder either for grid-connected photovoltaic (PV), wind turbine, fuel cells, wave energy system and battery storage unit, respectively.This is due to the electric voltage that might need to be converted from alternating current (AC) to direct current (DC) and vice versa. For that reason, this paper proposed a concept of advanced PE as an integrated arrangement of several AC/DC/AC-and DC/AC- converters in such ways that support thepreviously mentioned grid-connected hybrid renewable energy sources and distributed generators (DGs) along the distribution feeder. Additionally, for the system that supported by battery storage unit, then this hybrid smart grid concept might become the answer for future utility needs.
Simulation of photovoltaic station interfacing scada within transmission line Zamzami Zamzami; Nelly Safitri; Muhammad Arhami; Naziruddin Naziruddin
Indonesian Journal of Electrical Engineering and Computer Science Vol 30, No 3: June 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v30.i3.pp1269-1278

Abstract

In this paper, a developed simulation of a photovoltaic (PV) station that includes a PV module, a grid-connected inverter, a maximum power point tracking (MPPT) system, and a DC link capacitor was discussed. The MPPT uses a proportional integral derivative (PID) incremental conductance controller. Due to make it simple to control and monitor the PV station, Simulink dashboard is used to develop an interface that resembles a supervisory control and data acquisition (SCADA) system. Then the faults circumstances were simulated on one of the circuits of the double circuit transmission line using the faults combo box that is accessible in the interface. Then the cases were developed to examine the impact of various faults on the operation and control of the solar station. The developed cases namely normal circumstance, single-phase to ground fault circumstance, double-phase fault circumstance, and three-phase to ground fault circumstance, respectively. Three-phase voltage and current at given fault conditions have been measured to control voltage sag and swell. The active and reactive power are also measured due to obtain that they are injected or absorbed the power from and to the transmission line and maintain toward their setpoint values as indications while the faults occurred.
IPTEK PENINGKATAN KOMPETENSI GURU SMKN 5 LHOKSEUMAWE DALAM MEMBUAT LAPORAN EVALUASI BELAJAR MENGGUNAKAN SPREADSHEET Amir D; Jamaluddin Jamaluddin; Naziruddin Naziruddin; Ariefin Ariefin; Indrawati Indrawati
Jurnal Vokasi Vol 8, No 1 (2024): Jurnal Vokasi (Maret)
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/vokasi.v8i1.5029

Abstract

SMKN 5 Lhokseumawe  terletak dikelurahan Meunasah Kumbang, tepatnya di Jalan Rel Kereta Api nomor 5 Meunasah Mesjid Punteut, berjarak 2km dari Politeknik Negeri Lhokseumawe. SMKN 5 didirikan pada tanggal 28 April 2013, mengasuh 4 jurusan, yaitu jurusan;  akutansi keuangan, desain pemodelan, audio-video serta teknik listrik. Jumlah siswa pada ke-4 jurusan sebanyak 277 orang, dengan rincian; siswa pria sebanyak 159 orang dan  siswi perempuan sebanyak 86 orang. Rombongan belajar sebanyak 17 orang. Guru bertugas sebagai tenaga pendidik dan tenaga administrasi. Guru sebagai pendidik, bertugas memberikan pengajaran kepada peserta didik, sebagai tenaga administrasi, guru melakukan proses administrasi. Proses administrasi berupa membuat pelaporan hasil evaluasi kehadiran, hasil pembelajaran, perangkingan peserta didik.  Permasalahannya adalah proses evaluasi menyita waktu, apalagi jika siswa yang dievaluasi jumlahnya banyak dan menggunakan cara manual. Oleh sebab itu diperlukan proses evaluasi berbasis digital. Proses ini  memerlukan kompetensi tambahan, dalam menyusun laporan evaluasi hasil pembelajaran tersebut. Sayangnya tugas ini tidak didukung oleh kemampuan guru mengolah data berbasis digital, oleh sebab itu guru perlu diberikan keterampilan untuk meningkatkan  kompetensinya dalam membuat laporan evaluasi, seperti membuat penilaian harian, penilaian tengah semester, penilaian akhir  mata pelajaran, evaluasi akhir semester, perangkingan dan membuat roster anti bentrok dalam kegiatan PKM ini. Hasil pelatihan diperoleh bahwa kompetensi mitra meningkat dari hasil evaluasi pre-test dari posisi nilai sebesar 41,66 ke hasil evaluasi post-test dengan nilai sebesar 96,67. Tingkat kepuasan dengan indeks persepsi, berada pada rentang 4,0 sampai dengan 4,83 dengan kategori sangat memuaskan. Tingkat partisipasi mitra 100% diukur dari kehadiran yang menunjukkan mitra sangat antusias mengikuti kegiatan tersebut.
Co-Authors A. M. Shiddiq Yunus Amir D Arhami, Muhammad Ariefin Ariefin Fauzi Fauzi Indrawati Indrawati Jamaluddin Jamaluddin Nelly Safitri Zamzami