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All Journal Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Jurnal Difusi Industrial Research Workshop and National Seminar Jurnal Inovasi Pengabdian dan Pemberdayaan Masyarakat Sewagati Jurnal INFOTEL
SRI UTAMI
Jurusan Teknik Konversi Energi, Politeknik Negeri Bandung
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Compensation to Fulfill Voltage Drop Security in Medium Voltage Feeders Hermagsantos Zein; Sri Utami; Siti Saodah; Conny Kurniawan Wachjoe
Jurnal Ilmiah Teknik Elektro Komputer dan Informatika Vol. 8 No. 4 (2022): Desember
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/jiteki.v8i4.24743

Abstract

Increasing the load or expanding the feeder can increase the voltage drop. In addition, the greater the flow of reactive power on the line, the worse the voltage drop. On the other hand, the voltage must meet certain safety limits, and one way to correct the voltage drop is to apply for compensation. However, calculating the voltage drop through the power flow and the measurement methods is difficult to apply because it is necessary to determine the value of the amount of load on each node. This paper will propose a simple method that is convenient to apply to determine the compensation needed to maintain voltage quality in medium voltage feeders. The methodology used is a current source approach that functions as a variable. Then the current flow along the channel is assumed as a linear function so that the load center point is obtained according to the feeder configuration and load capacity. The simulation results on the 21-node feeder assuming a power factor of 0.8, show that the voltage drop improvement is quite effective with compensation. For example, at a 150 A current source, with 30 A compensation, the voltage drop can be increased from 4.45% to 3.98%. Furthermore, by applying for compensation, it is possible to expand the load to a source current of 165 A with a compensating current of 80 A.
Listrik Energi Matahari untuk Penerangan Jalan Umum di Desa Ciwaruga Sri Paryanto Mursid; Sri Utami; Erwin Yusuf; Sri Widarti; Apip Pudin; Ridwan Nurdin; Wildan Arasid; Agoeng Harjatmo Raharjo; Musrinah
Sewagati Vol 9 No 5 (2025)
Publisher : Pusat Publikasi ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j26139960.v9i5.8307

Abstract

Desa Ciwaruga salah satu di antara beberapa desa di Kabupaten Bandung Baratyang mengikuti program Pemberdayaan Desa Binaan di Politeknik Negeri Bandung.Mempunyai permasalahan penerangan jalan umum yang kurang. Apabila malamtiba, beberapa lokasi yang jauh dari rumah warga dalam keadaan gelap. Hal inimenyebabkan rawan kecelakaan dan kriminal. Sebenarnya, pemerintah desa danmasyarakat desa telah memasang PJU di beberapa lokasi. Namun tidak ada anggaranuntuk perawatan dan pembayaran tagihan listrik dari PT PLN, sehingga PJU tersebutkembali tidak berfungsi. Solusi yang ditawarkan adalah program kerja sama PKMantara Jurusan Teknik Konversi Energi (JTKE) Politeknik Negeri Bandung (Polban)dengan Desa Ciwaruga, utamanya adalah menumbuhkembangkan kesadaranmenggunakan EBT (Energi Baru Terbarukan) secara berkelanjutan dan menciptakanDesa Mandiri Energi. Hal ini diawali dengan pemanfaatan energi surya untuk menerangiarea tertentu (Jalan Umum) dengan menggunakan PLTS. Sehingga secaraumum langkah yang diambil agar program dapat berlangsung secara efektif mencakuptahapan: pengenalan teknologi PLTS, penjelasan instalasi PLTS untuk PJUES,pemasangan PJUES, diakhiri penjelasan tentang perawatan dan perbaikan PJUES.Program ini telah menghasilkan terpasangnya unit Purwarupa PJUES di titik strategisyang sebelumnya gelap dan rawan, serta meningkatkan pemahaman masyarakatmengenai teknologi EBT.Warga kini memiliki kemampuan dasar untuk merawat danmemperbaiki PJUES secara mandiri.
Master-Slave Synchronization in Off-Grid Solar Microgrids: Genset and Inverter Configurations IGNATIUS RIYADI MARDIYANTO; MUSRINAH MUSRINAH; SRI PARYANTO MURSYID; SRI UTAMI; WILDAN ARASSID; RIDWAN NURDIN; AGOENG HARJATMO RAHARDJO; TJATUR UDJIANTO; APIP PUDIN
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 14, No 3: Published July 2026
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v14i3.274

Abstract

The research analyzes the synchronization performance of off-grid solar AC microgrids by comparing genset-based and inverter-based master-slave configurations. Stability and power quality evaluations were conducted through MATLAB/Simulink simulations and experimental validation. Test results show that the genset-master configuration produces stable synchronization (220V/50Hz), while the inverter-master configuration experiences initial voltage instability. However, by optimizing the power capacity ratio between the master and slave units to 10:1 and implementing a properly designed PWM modulation, the system successfully achieves stable operation. An IoT-based monitoring system using ESP32 and PZEM-004T sensors provides real-time data to validate these findings, confirming that while the inverter-based master configuration is feasible, precise design parameters are required to ensure reliable synchronization
Co-Authors Agoeng Harjatmo Rahardjo Agoeng Harjatmo Raharjo Ambar Susanto Arya Wulung Bambang Puguh Manunggal Destri Muliastri Erwin Yusuf Hermagsantos Zein Ignatius Riyadi Mardiyanto Iriani, Purwinda Mursid, Sri Paryanto Musrinah Musrinah Musrinah PUDIN, APIP PURWINDA IRIANI Ricky Rofi Ridwan Nurdin Sapto Prajogo SITI SAODAH SRI PARYANTO MURSYID Sri Widarti Tjatur Udjianto Toto Tohir Wachjoe, Conny K. Wahyu Budi Mursanto Wildan Arasid WILDAN ARASSID YANTI SUPRIANTI, YANTI