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All Journal EPIC : Journal of Electrical Power, Instrumentation and Control
Yulanda, Erik Agustian
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Electrical & Electronics Engineering

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Analisis Pergeseran Phase Motor Induksi 3 Phase Hasil Rewinding Dengan Pemodelan Finite Element Yulanda, Erik Agustian; Dinata, Seflahir; Susilo, Joko Tri; Setiawan, Wahyu
EPIC Journal of Electrical Power Instrumentation and Control Vol 6 No 2 (2023): EPIC
Publisher : Universitas Pamulang, Prodi teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/epic.v6i2.36368

Abstract

Motor induksi 3 phase memegang peran penting di berbagai aplikasi industri, seiring penggunaan motor induksi akan mengalami degradasi sehingga solusi umum yang dilakukan adalah rewinding, meskipun rewinding efektif untuk memperbarui dan memperpanjang umur motor induksi namun dampak dari rewinding adalah terjadinya pergeseran phase, pergeseran phase pada motor induksi dapat menyebabkan karakteristik operasional, penurunan efisiensi, kenaikan suhu bahkan dapat menyebabkan kerusakan komponen internal, sehingga menjadi penting untuk melakukan analisis pergeseran phase pada motor induksi 3 phase hasil rewinding. Metode penelitian yang dilakukan adalah mengubah diameter kawat lilitan tanpa mengubah jumlah lilitan, langkah belitan, jumlah alur dan jumlah pasang kutub dari motor induksi sebelum dililit ulang. Pemodelan motor induksi 3 phase dilakukan dengan menggunakan perangat lunak Finite Element Ansys Maxwell 16,0. Dengan diameter kawat lilitan awal 0,75 mm diganti dengan menggunakan diameter kawat lilitan 0,60 mm, Pengujian dilakukan dengan mengukur arus, tegangan, faktor daya, kecepatan putaran motor dan menganalisis pergeseran phase pada motor induksi sebelum dan sesudah proses rewinding. Hasil pengujian menunjukan  besaran nilai pergeseran phase yaitu sekitar 36o sampai 32o, sementara dari hasil rancangan motor yang dibuat menggunakan perangkat lunak Finite Element Analysis, didapatkan nilai  kecepatan rating di 1450 RPM dengan torsi 2,42769 Nm dan pergeseran phase sebesar 41.4o. Pada kondisi rating didapatkan nilai arus keluaran 4.5944 A dengan tegangan sebesar 307,822 V.
Analisis Pengaruh Perubahan Arus Eksitasi Terhadap Tegangan Keluaran dan Daya Reaktif di PLTG Gilimanuk Tama, Agi; Yulanda, Erik Agustian; Sunardi, Sunardi; Wirakusuma, Komang Adi; Laksono, Pranoto Budi
EPIC Journal of Electrical Power Instrumentation and Control Vol 7 No 1 (2024): EPIC
Publisher : Universitas Pamulang, Prodi teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/epic.v7i1.38427

Abstract

One of the most important components of a power plant is the generator, the change in a load will affect the voltage of the generator. The excitation system also has the task of monitoring and controlling the output voltage of the generator, therefore the generator must be able to generate electrical power in accordance with the amount of load given. The purpose is to compare the results of EDS measurements with the results of the calculations obtained, which will be analyzed with the aim of minimizing the occurrence of interference with excitation and reactive power in the generator. The analysis shows that the largest excitation current is found at 21:00 setting the excitation current by 868 A, the resulting voltage is 16.0 kV, while from the calculation results of 15.8 kV, from the comparison of measurements with calculations having 0.2 kV or 200 V. At 09:00 with an excitation current of 778 A, with an anchor current of 7.9 kA the reactive power produced is 25 MVAR, while in the calculation of the reactive power obtained at 24.6 MVAR, in the measurement with the calculation has a difference of 0.4 MVAR or 400 kVAR. At 22:00 it gets a reactive power of 15 MVAR so that it produces a power factor of 0.96, while in the cosphi calculation which is obtained at 0.95. It can be concluded that the greater the excitation current, the generator output voltage will be large, if the excitation current is large, the reactive power will also be large, if the reactive power is large, it will cause cosphi to decrease because the reactive power is inversely proportional to cosphi which will later cause power losses.
Perancangan Pembangkit Listrik Hybrid dengan Tenaga Surya dan Tenaga Mikrohidro Yulanda, Erik Agustian; Susilo, Joko Tri; Tama, Agi; Sunardi, Sunardi; Prakoso, Dony Agus; Yanuar, Ahmad
EPIC Journal of Electrical Power Instrumentation and Control Vol 7 No 1 (2024): EPIC
Publisher : Universitas Pamulang, Prodi teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/epic.v7i1.39647

Abstract

Efforts to provide electrical energy in remote areas are by utilizing available natural potential such as solar radiation and water flow rates, so that designing a hybrid power plant based on solar power and micro hydro becomes appropriate. This research aims to design an optimal hybrid power generation system by utilizing each energy source. The design method includes analysis of potential solar radiation and river water flow, selection of main components and system design. The measurement results over a period of seven days show an average light intensity of 5106 lux and an average water discharge of 1.24 m3/s. Based on system test results, the PLTS power is 110.27 Watts and the PLTMH power is 170.09 Watts, so the total energy is 280.36 Watts (0.280 kW). In conclusion, the application of hybrid power plants with solar power and micro hydro power in remote areas has great potential.
Co-Authors Ahmad Yanuar Dinata, Seflahir Laksono, Pranoto Budi Prakoso, Dony Agus Sunardi Sunardi Susilo, Joko Tri Tama, Agi Wahyu Setiawan Wirakusuma, Komang Adi