Telecommunication, Electrical and Electronics Journal

ANALISIS PENYELAMATAN ENERGI LISTRIK DAN KEANDALAN SISTEM DISTRIBUSI MENGGUNAKAN METODE PDKB-TM

Param Setya Dwiantoro, Aris Sampe, Mohammad Arie Reza — Thu, 05 Mar 2026 00:00:00 +0000

Maintenance of electrical distribution networks is a crucial activity to ensure system reliability and continuity of power supply to customers. Conventional maintenance methods generally require power outages, which can reduce service quality. To address this issue, PT PLN (Persero) implements the Medium Voltage Live Line Maintenance method (PDKB-TM), which allows maintenance work to be carried out without interrupting the electricity supply. This study aims to analyze the amount of electrical energy (kWh) successfully saved and to evaluate the improvement of distribution system reliability in terms of SAIDI and SAIFI indices due to the implementation of PDKB-TM on the Rambutan feeder during 2024. The research method used is a quantitative approach, including the calculation of saved energy using the Esafe formula in a three-phase system and reliability index analysis based on the number of affected customers and work duration. The results show that the total saved electrical energy reached 159,929.02 kWh. In addition, the implementation of PDKB-TM reduced SAIDI by 361.8 minutes per customer and SAIFI by 5.24 interruptions per customer. These findings indicate that the PDKB-TM method is effective in maintaining power supply continuity and improving the reliability of the distribution system.

DESAIN KAPASITAS OPTIMAL DAN ANALISIS TEKNO EKONOMI SISTEM ENERGI TERBARUKAN HIBRIDA MIKROGRID

Marianto Jama, Jakobus Kariongan, Johanis Aryo P. B. Bay — Thu, 05 Mar 2026 00:00:00 +0000

Ormu Village, located in Jayapura Regency, Papua, faces limited access to electricity due to its remote and challenging geographical conditions. This study aims to design an optimal hybrid renewable energy microgrid system combining solar and micro-hydro power to provide an efficient and sustainable electricity supply. The Hybrid Optimization Model for Electric Renewables (HOMER) was used to model and compare various energy generation technologies. The simulation results show that the micro-hydro power plant (PLTMH) supplies approximately 317.680 kWh/year (83,1%), while the solar power plant (PLTS) contributes around 64.713 kWh/year (16,9%). These systems are capable of generating electricity continuously throughout the year. In terms of investment feasibility, the Net Present Value (NPV) method indicates that PLTMH has a positive NPV, making it financially viable. The Profitability Index (PI) for PLTMH is greater than (>) 1, which also supports the investment decision. Furthermore, the Discounted Payback Period shows that the initial investment for PLTMH can be recovered within 12,05 years. On the other hand, the PLTS system has a negative NPV, indicating it is not economically feasible. The PI is less than (<) 1, and based on the Discounted Payback Period method, the investment cannot be recovered even after 25 years.

STUDI PERKIRAAN KEBUTUHAN ENERGI LISTRIK DI KOTA WAMENA MENGGUNAKAN METODE DKL 3.2

Al Farida Megariski, Dultudes Mangopo, Suparno — Thu, 05 Mar 2026 00:00:00 +0000

The supply of electrical energy in Wamena City is shaped by population increases, economic development, and rising human mobility. Wamena’s designation as a provincial capital is expected to drive substantial growth in electricity demand in the coming years. This study projects electricity requirements up to 2035 to support sustainable energy planning. The DKL 3.2 method is employed using GRDP data from BPS along with PLN records on customer numbers, connected power, and electricity consumption from 2019 to 2024. The analysis covers four sectors: household, business, public, and industrial. The findings reveal differing growth dynamics across sectors. The household sector shows steady expansion, while the business sector declines. The public sector records moderate growth, and the industrial sector—though small in customer count—exhibits the fastest growth rate. These results serve as an important reference for long-term energy planning in Wamena.

ANALISA PENGARUH HARMONISA TERHADAP BESARNYA PENURUNAN KAPASITAS DAYA (kVA) TRAFO TERPASANG

I Gede Gita Arisukma Gita Arisukma, Marthen Liga, Dultudes Mangopo — Thu, 05 Mar 2026 00:00:00 +0000

Modern electrical equipment such as computers, printers, energy-saving lamps, and motor speed controllers are classified as non-linear loads that generate harmonics in the power system. These harmonics may cause heating, derating, and even damage to distribution transformers, which in PLN’s network are generally not designed for harmonic loads. This study uses a quantitative descriptive method to analyze the effect of harmonics on transformer capacity derating. Measurements were carried out on two distribution transformers at PLN ULP Denpasar over two days using a Hioki 3286-20 Power Quality Analyzer, between 17:00–21:00 WITA. Data were compared with IEEE-519 standards, and transformer derating was calculated using the THDF method. Results show transformer DB1034 (160 kVA) experienced a THDi of 14.36%, leading to a 10.7% derating (142.89 kVA). Transformer DS1225 had a THDi of 13.55% with an 8.39% derating (146.57 kVA). Higher THDi corresponds to greater capacity loss, with third-order harmonics exceeding IEEE-519 limits. Routine harmonic monitoring is therefore essential.

ANALISIS PENERAPAN TEKNOLOGI AUTOMATIC METER READING (AMR) DALAM MENINGKATKAN AKURASI KWH JUAL

wa ode asmarita asmarita, Dultudes Mangopo, Suparno — Thu, 05 Mar 2026 00:00:00 +0000

The accuracy of electricity energy recording is a crucial element in ensuring billing system reliability and optimizing the revenue of PT PLN (Persero). However, manual recording, which is still used in several areas including UP3 Jayapura, is prone to technical errors such as wiring disturbances and the loss of one phase, which can lead to unrecorded energy usage. This study aims to analyze the implementation of Automatic Meter Reading (AMR) technology in detecting measurement abnormalities and improving the accuracy of kWh sales at PT PLN (Persero) UP3 Jayapura. The research employed a quantitative method with a case study approach on a single B2 customer with a power capacity of 33,000 VA. Data were collected through field observations, documentation, and real-time data analysis as well as load profiles using the AMR system and AMICON application over the period of January to May 2025. The results show that the AMR system is capable of identifying technical anomalies such as voltage drops, missing phase currents while neutral current remains, and non-standard wiring. After corrective actions were taken, the technical parameters returned to normal and energy recording became accurate. The unrecorded energy over five months amounted to 3,097.5 kWh, with a potential financial loss of IDR 11,545,392. It is recommended that PT PLN (Persero) gradually expand the implementation of AMR to large and high-potential customers, and improve routine inspections of 3-phase 4-wire installations. Future research is also encouraged to explore various types of technical disturbances and develop the integration of AMR with an automated notification system to minimize non-technical losses more effectively.