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Pristisal Wibowo
Universitas Pembangunan Panca Budi, Medan, North Sumatera, Indonesia
Computer Science & IT

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Analysis of the Effect of Conductor Temperature on Energy Loss in the La-03 Feeder at PT. PLN (Persero) Langsa Power Distribution Unit Putri Mulia; Hamdani Hamdani; Pristisal Wibowo
INFOKUM Vol. 14 No. 03 (2026): Infokum, May - June 2026
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v14i03.3130

Abstract

Electrical energy losses in distribution systems are one indicator of the efficiency of electricity transmission. One factor influencing the magnitude of technical energy losses is changes in conductor temperature, which cause an increase in conductor resistance. This study aims to analyze the effect of conductor temperature on energy loss in the LA-03 feeder of PT. PLN (Persero) ULP Langsa. The research method used is quantitative analysis with a mathematical calculation approach based on the relationship between conductor temperature, electrical resistance, power losses, and energy loss. The data used includes a feeder length of 6.72 km, A3CS/AAAC conductor type, resistance at a reference temperature of 20°C of 0.3 Ω/km, an average load current of 150 A, a temperature coefficient of 0.004/°C, and an operating time of 24 hours. Calculations were performed at temperatures of 20°C, 40°C, and 60°C. The analysis results show that an increase in conductor temperature from 20°C to 60°C causes resistance to rise from 2.016 Ω to 2.338 Ω. Power losses increased from 45,360 Watts to 52,605 Watts, while daily energy losses increased from 1,088.64 kWh to 1,262.52 kWh. A temperature increase of 40°C resulted in an increase in energy losses of approximately 15.97%. The research results indicate that conductor temperature has a significant effect on the magnitude of energy loss in distribution lines. Therefore, loss calculations in distribution networks should consider actual operating temperatures to obtain more accurate and realistic estimates of energy loss
Recloser Installation for Distribution Network Reliability at the Christmas Party Jefri Ardiansyah; Hamdani Hamdani; Pristisal Wibowo
INFOKUM Vol. 14 No. 94 (2026): Infokum 2026
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v14i94.3139

Abstract

The reliability of the electricity distribution system is one of the important indicators in assessing the quality of electricity service to customers. The YB.02 feeder located in the working area of ​​PT PLN (Persero) ULP Natal has a network length of 297 km with a total of 11,820 customers and uses a radial network configuration. Disturbances that occur in the downstream area of ​​the feeder have the potential to cause blackouts to a large number of customers, thereby reducing the level of reliability of the distribution system. One of the efforts made to improve network reliability is the installation of Natal Reclosers in Section 8 in the Simpang Pulopadang area. This study aims to analyze the effect of recloser installation on improving the reliability of the distribution network at the YB.02 Feeder. The research method used is a descriptive quantitative method by analyzing disturbance data, the number of affected customers, the duration of blackouts, and the SAIFI and SAIDI reliability indices before and after the recloser installation. The results showed that before the recloser installation, the SAIFI value was 3.30 times/customer/year and the SAIDI was 7.13 hours/customer/year. After the installation of the Natal Recloser, the SAIFI value decreased to 1.12 hours/customer/year and the SAIDI value decreased to 1.02 hours/customer/year. The installation of the recloser was also able to reduce the disturbance area which previously affected around 7,800 customers to around 2,300 customers in the affected section. In addition, the autoreclose function is able to automatically overcome temporary disturbances so that the frequency and duration of blackouts can be minimized. The results showed that the installation of the Natal Recloser was able to reduce the SAIFI value by 66.06% and SAIDI by 85.69%, so it is effective in improving the reliability of the distribution network and continuity of electricity services to customers in the working area of ​​PT PLN (Persero) ULP Natal.
Co-Authors Hamdani Hamdani Jefri Ardiansyah Putri Mulia