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All Journal Jurnal Simetris Jurnal Ampere IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali JURNAL SURYA ENERGY Journal of Robotics and Control (JRC) Journal of Electrical Power Control and Automation (JEPCA) Jurnal Digital Teknologi Informasi Fokus Elektroda: Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Electrician : Jurnal Rekayasa dan Teknologi Elektro Integrasi : Jurnal Ilmiah Teknik Industri Serambi Engineering
Ardianto, Feby
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Aerospace Engineering Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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Journal : Serambi Engineering

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Perencanaan Jaringan Heterogen 4G LTE Berdasarkan Coverage Area pada Frekuensi Inter-Band di Kota Palembang Bengawan Alfaresi; Ardianto, Feby; Kurniawan, M Arif
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The city of Palembang has a territorial character consisting of urban, suburban and rural areas. The population in Palembang City continues to grow and spread to all corners of Palembang City. Therefore, the planning of a 4G LTE network requires a complex plan based on the area characteristics and also paying attention to frequency efficiency. This research aims to design a heterogeneous 4G LTE network in the city of Palembang, focusing on the use of inter-band frequency spectrum to increase the network coverage area. The research methodology includes area mapping and analysis of eNodeB requirements in each sub-district. The propagation model used in 4G LTE network planning is the Cost-Hatta model. In this research, we implemented the use of a frequency of 900 MHz for the macro site, a frequency of 1800 MHz for the micro site, a frequency of 2100 MHz for the nano site and a frequency of 2300 MHz for the pico site. The research results show that at the lowest frequency, i.e. using a frequency of 900 MHz, the number of eNodeBs required is 18 eNodeBs on the uplink side and 60 eNodeBs on the downlink side. At the highest frequency of 2300 MHz, the number of eNodeBs required on the uplink side is 24 eNodeBs and on the downlink side is 329 eNodeBs.
Implementasi Strategi Load Shedding Berbasis Under Frequency Relay untuk Meningkatkan Kestabilan Sistem Distribusi Listrik di PT Pertamina Pendopo Field Alfaresi, Bengawan; Saputra, Heri; Ardianto, Feby
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Disturbances in the stability of the electric power system due to frequency drops caused by disturbances at power plants often occur in the community. This causes damage to electrical equipment, especially those sensitive to frequency. This study discusses the application of the Under Frequency Load Shedding (UFLS) method as a solution to overcome this problem. The study was conducted at PT. Pertamina Pendopo Field, which uses an independent electrical system with several gas-fueled generator units. The method used in this study is a case study with a simulation based on ETAP 19.0.1 software to analyze the system response to disturbances. Calculations were made on the rate of frequency drop and the amount of load that must be shed to maintain system stability. The simulation showed that gradual load shedding of 720 kW with shedding stages at 58.4 Hz and 58.1 Hz frequencies successfully returned the system frequency to normal conditions without shedding critical loads such as production loads. The results of the study indicate that the gradual and selective application of UFLS is effective in maintaining the stability of the electric power system and preventing total blackouts. This scheme also supports the operational continuity of industrial facilities by prioritizing the continuity of power supply to critical loads.
Co-Authors A, Afandi Alfarezi, Bengawan Alfian, Ade willy Apriani, Yosi Arief Setiawan Armin Sofijan Aziz, M. Wisyah Bayu Wahyudi Bengawan Alfaresi Bengawan Alfaresi Cekmas Cekdin, Cekmas Dedy Hermanto Eka Sri Yusmartini Eko Ariyanto Eliza Eliza Fernando, Febri Gustianda, Adellia Hendrawan, Muhammad Hurairah, Muhammad Kurniawan, M Arif Muhammad Alvin Pratama Muhammad Ferdiansyah, Muhammad Nidya Wisudawati Riki Saputra, Riki Robiah, Robiah Romadona, Ade Yuda Wahyu saleh, zulkifli Saputra, Heri Taufik Barlian Taufik Taufik Trianto Trianto Yuniarti, Erliza