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All Journal JURNAL INSTEK (Informatika Sains dan Teknologi) Indonesian Journal of Electrical Engineering and Computer Science STORAGE: Jurnal Ilmiah Teknik dan Ilmu Komputer International Journal of Electrical Engineering and Intelligent Computing
RENY MURNIATI
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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Impact of micro hydro power plants on transient stability for the micro grid 20 kV system Syarifuddin Nojeng; Syamsir Syamsir; Reny Murniati
Indonesian Journal of Electrical Engineering and Computer Science Vol 24, No 3: December 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v24.i3.pp1278-1287

Abstract

Transient stability analysis is conducted to determine the ability of the electric power system in maintaining the operating stability after a major disturbance. The disturbance can be trigger an impact on the stability of the rotor angle, voltage, and system frequency which can cause loss of synchronization. In this paper, the impact of the interconnection of the Tombolo-Pao mini hydro power plant (MHPP) on the stability of the system was analyzed by several scenarios to determine the behavior of system parameters in a 20 kV system interconnection network. This research is an implementation of regulatory provisions relating to the study of the connection to the PLN distribution network through by regulator. Based on the result of simulation study, transient stability of generators at TomboloPao power plant about 0.1 second, will not occur with network configuration according to modeling activation of anti-islanding protection of Tombolo Pao Power Plant which is set by 2 second. The simulation results show that the location of the disturbance in the electric power system has been influenced by the behavior of the power plant (synchronous generator) which can lead to the instability of the micro-hydro connected to the micro-grid system 20 kV.
PENENTUAN BIAYA SALURAN TRANSMISI MENGGUNAKAN METODE MW-MILE BERDASARKAN KUALITAS DAYA MURNIATI, RENY; NOJENG, SYARIFUDDIN
Jurnal INSTEK (Informatika Sains dan Teknologi) Vol 5 No 1 (2020): APRIL
Publisher : Department of Informatics Engineering, Faculty of Science and Technology, Universitas Islam Negeri Alauddin, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2646.894 KB) | DOI: 10.24252/instek.v5i1.11240

Abstract

Issu utama dalam tarif daya listrik adalah penentuan pemanfaatan saluran transmisi yang sesuai dengan aliran daya yang sebenranya. Formulasi metode yang tepat dalam menentukan tarif listrik berdasarkan aliran daya yang sesuai dengan karakteristik beban sangat diperlukan. Salah satu metode yang banyak digunakan dalam biaya transmisi adalah metode MW-Mile. Namun, metode ini belum pernah diterapkan dalam penentuan tarif listrik serta metode ini pula belum mencerminkan karakteristik sesungguhya dari pelanggan (industri atau bisnis).   Oleh karena itu, dalam penelitian ini akan diusulkan sebuah formulasi tarif listrik dengan memodifikasi metode MW-Mile dengan mempertimbangkan karaktersitik sesungguhnya pelanggan listrik terutama pelanggan industri dan bisnis.Kata kunci : Deregulasi sistim tenaga,  kualitas daya, saluran transmisi
SISTIM DETEKSI DINI KETIDAK SEIMBANGAN BEBAN TIGA PHASA BEBASIS ARDUINO PADA PANEL HUBUNG TEGANGAN RENDAH SYARIFUDDIN NOJENG; ARIF JAYA; RENY MURNIATI
Jurnal INSTEK (Informatika Sains dan Teknologi) Vol 8 No 1 (2023): APRIL
Publisher : Department of Informatics Engineering, Faculty of Science and Technology, Universitas Islam Negeri Alauddin, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/instek.v8i1.37096

Abstract

Dalam penelitian ini, sistim yang dikembangkan berbasis Teknologi Internet of Things (IoT) yang dibangun terdiri atas: perangkat embedded system yang berfungsi untuk melakukan pengukuran dan pengiriman data, perangkat lunak Web Service yang berfungsi untuk menerima data dari sensor system dan perangkat lunak berbasis Arduino menggunakan flatform aplikasi Blynk Cloud dalam penyajian data dan pengelolaan data untuk melalui perangkat display perangkat android. Sistim ini dibangun untuk memberikan fungsi peringatan dini terhadap anomali parameter trafo seperti overload, overvoltage dan unbalance load. Berdasarkan pengujian, waktu yang di butuhkan untuk mengirim dan menerima notifikasi di smartphone user melalui aplikasi blynk berkisar pada 3-4 detik. Dengan menetapkan batas tolerasi tertentu sebagai batas ambang ketidakseimbangan, maka pada saat beban sangat tidak seimbang dimana arus netral hampr sama atau lebih besar dari arus phasa maka pada lampu indiator lokal akan menyala dan pada sistim android akan memberikan indikator unbalance load.
ANALISIS PENGGUNAAN CHLORINE PLANT PADA SISTEM KELISTRIKAN PEMBANGKIT LISTRIK TENAGA UAP (PLTU) PUNAGAYA KABUPATEN JENEPONTO subhan; Muhammad Agus Budiawan; St. Amina H.Umar; RA. Reny Murniati; Widya Wisanty; Indar Dewa
STORAGE: Jurnal Ilmiah Teknik dan Ilmu Komputer Vol. 4 No. 2 (2025): Mei
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/storage.v4i2.5165

Abstract

Penelitian ini bertujuan untuk menganalisis sistem kerja penggunaan Chlorine Plant dan rangkaian peralatan dalam sistem kelistrikan di Pembangkit Listrik Tenaga Uap (PLTU) Punagaya Kabupaten Jeneponto, Sulawesi Selatan. dalam Penelitian ini menggunakan data secara kualitatif dan kuantitatif, di mana data dikumpulkan melalui observasi langsung dan wawancara dengan teknisi berpengalaman di lokasi. bahwa penggunaan Chlorine Plant memiliki dampak signifikan terhadap kualitas air dan efisiensi sistem kelistrikan, yang pada gilirannya berkontribusi pada produktivitas PLTU Punagaya. Untuk Penelitian selanjutnya, disarankan untuk mengeksplorasi teknologi alternatif dalam pengolahan air serta dampak jangka panjang penggunaan Chlorine Plant di sector industri dan non-industri. Selain itu, pengelolaan penggunaan Chlorine Plant perlu dilakukan dengan mempertimbangkan aspek keberlanjutan dan dampak lingkungan, guna memastikan bahwa penerapannya tidak hanya efisien secara operasional tetapi juga ramah lingkungan.
The Real Time Monitoring System and Early Detection of Unbalanced Load for the Three Phase Distribution Systems in Urban Areas Syarifuddin Nojeng; Arif Jaya; Reny Murniati
International Journal Of Electrical Engineering and Inteligent Computing Vol 1, No 1 (2023): International Journal of Electrical Engineering and Intelligent Computing
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/ijeeic.v1i1.5623

Abstract

This paper introduces a three-phase unbalanced load condition monitoring system in a power distribution network that can monitor and provide early warning. The distribution system is a component of the power system that must always be observed in maintaining the service of delivering electricity to customers. Currently, many technologies are applied to the distribution system that can ensure the operation of the distribution network, especially distribution transformers to determine real-time transformer conditions so that damage and power losses can be minimized, but do not provide early detection. Therefore, the role of information technology is currently one of the investments that must be made for all electric power supply operators in maintaining the performance of distribution transformers through early detection. In this study, the system developed based on Internet of Things (IoT) technology that was built consists of: embedded system devices that function to carry out measurements and transmit data, Web Service software that functions to receive data from sensor systems, and Arduino-based software using the Blynk Cloud application platform in presenting data and managing data through Android display devices (HP/Laptop). The Blynk is a compatible platform for applications on Mobile OS (iOS and Android) in controlling Arduino, Raspberry Pi, or ESP8266-based modules, as well as similar modules via the Internet (IoT). This system was built to provide an early warning function against network parameter anomalies such as overload, overvoltage, and unbalanced load. After getting the data, the system will perform calculations to obtain recommendations for system optimization in the form of balancing, maintenance, or load maneuver. Based on testing, the time needed to send and receive notifications on smartphone users via the blynk application ranges from 3-4 seconds. By setting a tolerance limit of 20%, when the load is severely unbalanced where the neutral current is almost equal to or greater than the phase current, the local indicator light will light up and the Android system will provide an unbalanced load indicator.
Co-Authors Arif Jaya Arif Jaya Indar Dewa Muhammad Agus Budiawan St. Amina H.Umar Subhan Syamsir Syamsir SYARIFUDDIN NOJENG Wisanti, Widya