Analisa Harmonisa Pembangkit Listrik Tenaga Surya (PLTS) Off-Grid 290 Wp dengan Kombinasi Beban Linier dan Non Linier di Gedung Fakultas Teknik UKI - Jakarta Menggunakan MATLAB Simulink

Openg, Elisabeth Faustina Ene (2023) Analisa Harmonisa Pembangkit Listrik Tenaga Surya (PLTS) Off-Grid 290 Wp dengan Kombinasi Beban Linier dan Non Linier di Gedung Fakultas Teknik UKI - Jakarta Menggunakan MATLAB Simulink. S1 thesis, Universitas Kristen Indonesia.

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Abstract

Penelitian terhadap Pembangkit Listrik Tenaga Surya (PLTS) off-grid 290 Wp (Watt-peak) di Gedung Fakultas Teknik Universitas Kristen Indonesia - Jakarta dengan tujuan untuk mengetahui harmonisa tegangan dan arus pada sisi beban dan mereduksi nilai THD menggunakan filter pasif single tuned LC. Berdasarkan pengukuran tegangan dan arus per orde dilakukan perhitungan, bahwa Total Harmonic Distortion Voltage (THDv) pada sisi beban lampu pijar 15 watt sebesar 5,8% dan Total Harmonic Distortion Current (THDi) sebesar 1,02%. Untuk Total Harmonic Distortion Voltage (THDv) pada sisi beban LED 15 watt sebesar 5,7% dan Total Harmonic Distortion Current (THDi) sebesar 16,42%. Simulasi filter pasif single tuned hanya dilakukan pada THDi LED 15 watt karena arus harmonisa lebih tinggi dari THDi lampu pijar 15 watt. Arus harmonisa yang direduksi yaitu orde ke-3 dengan THDi sebesar 5,7%, dan orde ke-10 dengan THDi sebesar 15,3%. Berdasarkan hasil simulasi filter pasif single tuned LC dengan nilai (L = Induktansi) masing – masing 37,53 henry dan 3,37 henry serta nilai (C = Kapasitansi) 1,17 × 10-8 farad. Dari hasil simulasi menggunakan MATLAB Simulink mampu mereduksi tingkat THDi pada LED dari 16,42% menjadi 1,81%. Kata Kunci: PLTS Off-Grid, Harmonisa, Beban Linier dan Beban Non Linier, Filter Pasif Single Tuned LC, MATLAB Simulink. / This paper is the result of research on a 290 Wp (Watt-peak) off-grid Solar Power Plant (PLTS) at the Faculty of Engineering Building, Indonesian Christian University - Jakarta with the aim of determining voltage and current harmonics on the load side and reducing the THD value using a passive filter. Single tuned LC. Based on the calculation of the voltage and current per order, the Total Harmonic Distortion Voltage (THDv) on the load side of a 15 watt incandescent lamp is 5.8% and the Total Harmonic Distortion Current (THDi) is 1.02%. For Total Harmonic Distortion Voltage (THDv) on the 15 watt LED load side it is 5.7% and Total Harmonic Distortion Current (THDi) is 16.42%. The single tuned passive filter simulation was only carried out on a 15 watt THDi LED because the harmonic current is higher than a 15 watt THDi incandescent lamp. The reduced harmonic current is 3rd order with a THDi of 5.7%, and 10th order with a THDi of 15.3%. Based on the simulation results of a single tuned LC passive filter with a value of (L = Inductance) of 37.53 henry and 3.37 henry respectively and a value of (C = Capacitance) 1,17 × 10-8 farad. From the simulation results using MATLAB Simulink it was able to reduce the THDi level on LEDs from 16.42% to 1.81%. Keywords: Off-Grid Solar Photovoltaic System, Harmonics, Linear Loads, Non-Linear Loads, Passive Single Tuned LC Filter, MATLAB Simulink.

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