Wardani, Ayusta Lukita (2017) Alokasi Optimum Kapasitor Pada Sistem Distribusi Radial Tiga Fasa Tidak Seimbang Dengan Mempertimbangkan Harmonisa Dan Indek Resonansi Menggunakan Algoritma PSO. Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Saluran distribusi menghubungkan antara sistem pembangkitan dan sistem transmisi dengan beban. Kualitas daya pada sistem distribusi mempengaruhi kelancaran distribusi listrik. Penurunan kualitas daya dapat disebabkan oleh faktor daya rendah, tegangan jatuh, rugi jaringan dan harmonisa.
Pemasangan kapasitor dapat mengatasi permasalahan kualitas daya bila penempatannya tepat. Pada sistem terdistorsi kehadiran kapasitor dapat memperparah level harmonisa dan menyebabkan resonansi baik parallel atau seri. Pada penelitian ini penempatan dan kapasitas kapasitor dibatasi oleh tegangan minimum, maksimal daya reaktif beban, THD dan indek resonansi. Indek resonansi berdasarkan batas pembebanan kapasitor sesuai standar IEEE. Skema ini diujikan pada sistem distribusi 25 bus tiga fasa tidak seimbang terdistorsi dan memiliki karakteristik undervoltage. Hasil simulasi menunjukkan pemasangan kapasitor menggunakan algoritma PSO dengan mempertimbangkan harmonisa dan indek resonansi mampu memenuhi standar THD yaitu 4,39 % dan penurunan rugi-rugi daya aktif sebesar 21,18 % dan tegangan minimal 0,95 pu.
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Distribution system connects between generation system and transmission system to the load. Power quality in distribution system can affect the flow of electric distribution. Decrease in power quality can be caused of low power factor, voltage drop, line looses and harmonic.
Installation of capacitors can overcome the power quality problems when placement is appropriate. In a distorted system the presence of a capacitor may aggravate the harmonic level and cause either parallel or series resonance. In this research, capacitor placement and capacities are limited by minimum voltage, maximum reactive power load, THD and resonance index. Resonance index based on limit of capacitor loading according to IEEE standard. This scheme is tested on a distorted three-phase unbalanced distribution system which is have undervoltage characteristics. The simulation result shows the installation of capacitor using PSO algorithm by considering harmonics and resonance index capable to fulfill standard of THD that is 4,39% and decrease of active power loss equal to 21,18 % and minimum voltage 0,95 pu.
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | indek resonansi, kapasitor, PSO, rugi jaringan, THD,capacitor, line looses, resonance index |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Faculty of Industrial Technology > Electrical Engineering > 20101-(S2) Master Thesis |
| Depositing User: | Ayusta Lukita Wardani |
| Date Deposited: | 12 Oct 2017 03:57 |
| Last Modified: | 08 Mar 2019 02:23 |
| URI: | http://repository.its.ac.id/id/eprint/44827 |
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