EVALUASI DAN PERANCANGAN MITIGASI NILAI HARMONIK PADA SISTEM KELISTRIKAN GEDUNG PT.PLN NUSANTARA POWER MUARA KARANG

RAMLI, AZMITHA NORA and Herlina, Herlina (2025) EVALUASI DAN PERANCANGAN MITIGASI NILAI HARMONIK PADA SISTEM KELISTRIKAN GEDUNG PT.PLN NUSANTARA POWER MUARA KARANG. Undergraduate thesis, Sriwijaya University.

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Abstract

The quality of electrical power in the distribution system can be disturbed by harmonics, especially in installations with non-linear electronic equipment. This study was conducted at the PLN NP UP Muara Karang Building which uses loads such as LED lights and various electronic devices such as computers, laptops, printers, etc. that have the potential to produce harmonics. Initial measurement results showed that the THDi value reached 43.56%, exceeding the IEEE 519-2014 standard limit. System modeling and analysis were carried out using ETAP 19.0.1 software. To reduce harmonics, a passive filter was designed that focused on dominant order harmonics. Simulation results showed that after installing the filter, THDi decreased to 21.21% and THDv to 1.39%. In addition, the current decreased by around ±13 A, reactive power and apparent power also decreased, active power did not change significantly because it was not directly affected by harmonics. The system voltage increased by an average of ±0.30%, and the power factor improved to around 99%. This proves that harmonic mitigation can improve the quality of the power distribution system.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Harmonics, THDi, THDv, mitigation, IEEE Std 519-2014, ETAP 19.0.1
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK3001-3521 Distribution or transmission of electric power
Divisions:	03-Faculty of Engineering > 20201-Electrical Engineering (S1)
Depositing User:	Azmitha Nora Ramli
Date Deposited:	23 Jun 2025 05:39
Last Modified:	23 Jun 2025 05:39
URI:	http://repository.unsri.ac.id/id/eprint/175867

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