Implementasi Desain Filter Pasif: Simulasi Perancangan Filter LCL untuk Inverter SPWM Berdasarkan Frekuensi Switching dan Distorsi Harmonik Total

Ahmad Khumedillah Irfa'i, Ase Suryana, Resa Pramudita, Muhammad Adli Rizqulloh

Sari


Seiring berjalanya waktu, perkembangan sumber energi listrik terbarukan dan integrasi sistem jaringan listrik berkembang sangat pesat. Kemudian, kualitas daya menurun dikarenakan kandungan distorsi harmonik ikut terinjeksi ke jaringan listrik dari sebagian besar perangkat elektronika daya yang menggunakan aplikasi inverter. Diperlukan Filter LCL yang dioptimalkan guna meningkatkan kualitas daya untuk inverter satu fasa yang terhubung dengan perangkat utilitas. Filter LCL yang dirancang dibawah batasan varisasi frekuensi swtiching minimum, distorsi harmonik total (THD), nilai induktor, dan faktor daya (cosphi). Dengan desain tersebut memberikan kinerja optimal untuk mengurangi konten harmonik. Semua hasil diperoleh melalui perhitungan, software PSIM, dan software LTspice. Hasil simulasi menunjukan distorsi harmonik total pada tegangan dan arus keluaran mengalami penurunan yang signifikan, sehingga meningkatkan kualitas daya yang lebih minim distorsi . THD tegangan sebelum melewati filter sebesar 79,52% menjadi 0,4972% setelah melewati filter LCL, sedangkan pada arus inverter yang mulanya 3,288% menjadi 0,4972% setelah melewati filter LCL. Dengan redaman distorsi harmonik total pada keluaran tegangan sebesar 99,37% dan keluaran arus 84,88%. Hasil ini memverifikasi kelayakan desain filter LCL yang di usulkan.

 

Over time, the development of renewable electrical energy sources and the integration of power grid systems have grown rapidly. Subsequently, power quality is degraded due to harmonic distortion content injected into the power grid from most power electronic devices using inverter applications. An optimized LCL filter is required to improve the power quality for single-phase inverters connected to utility devices. The LCL filter is designed under the constraints of minimum swtiching frequency variation, total harmonic distortion (THD), inductor value, and power factor (cosphi). The design provides optimal performance to reduce the harmonic content. All results were obtained through, software PSIM, and software LTspice. The simulation results show that the total harmonic distortion in the output voltage and current has decreased significantly, thus improving the power quality with less distortion. The THD of the voltage before passing through the filter is 79.52% to 0.4972% after passing through the LCL filter, while that of the inverter current is initially 3.288% to 0.4972% after passing through the LCL filter. With a total harmonic distortion attenuation at the voltage output of 99.37% and current output of 84.88%. These results verify the feasibility of the proposed LCL filter design.


Kata Kunci


LCL filter; SPWM inverter; LPF; THD; Switching

Teks Lengkap:

PDF


Dilihat:
Sari 27 kali
PDF 14 kali

Referensi


H. Cha and T. -K. Vu, "Comparative analysis of low-pass output filter for single-phase grid-connected Photovoltaic inverter," 2010 Twenty-Fifth Annual IEEE Applied Power Electronics Conference and Exposition (APEC), Palm Springs, CA, USA, 2010, pp. 1659-1665, doi: 10.1109/APEC.2010.5433454.

J. Sedo and S. Kascak, "Control of single-phase grid connected inverter system," 2016 ELEKTRO, Strbske Pleso, Slovakia, 2016, pp. 207-212, doi: 10.1109/ELEKTRO.2016.7512066.

P. Cossoli, M. Cáceres, L. Vera, A. Firman and A. Busso, "Proportional-Resonant Controller and LCL Filter Design For Single-Phase Grid-Connected PV Micro-Inverters," 2018 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D-LA), Lima, Peru, 2018, pp. 1-5, doi: 10.1109/TDC-LA.2018.8511669.

X. Liu, P. Ma, G. He and D. Wang, "Study on Control Strategy of LCL Type Single-Phase Grid-Connected Inverter," 2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE), Huhhot, China, 2018, pp. 37-42, doi: 10.1109/ICMCCE.2018.00016.

X. Li and R. S. Balog, "PLL-less robust active and reactive power controller for single phase grid-connected inverter with LCL filter," 2015 IEEE Applied Power Electronics Conference and Exposition (APEC), Charlotte, NC, USA, 2015, pp. 2154-2159, doi: 10.1109/APEC.2015.7104647.

Y. Tang, W. Yao, P. C. Loh and F. Blaabjerg, "Design of LCL Filters with LCL Resonance Frequencies Beyond the Nyquist Frequency for Grid-Connected Converters," in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 4, no. 1, pp. 3-14, March 2016, doi: 10.1109/JESTPE.2015.2455042.

Hasan, S., et al, "The LCL filter design for three phase DC-AC voltage converter," in Journal of Physics: Conference Series, 2021, pp. 012067.

A. Mukhopadhyay, V. John. "Solid-state tuning restorer for second-harmonic LC filter in single-phase converters," in IEEE Transactions on Industry Applications, 2023.

T. Saha, A. Mitra, B. Halder, "Design of LCL filter for SPWM inverter based on switching frequency and THD criterion," in Electronic Systems and Intelligent Computing: Proceedings of ESIC 2020, 2020, pp. 439–451.

Tang, H., et al, "Linear quadratic optimal control of a single-phase grid-connected inverter with an LCL filter," in 2012 IEEE International Symposium on Industrial Electronics, 2012, pp. 372–376.

Roger C. Dugan, et al., Electrical power system quality (New York: McgGraw Hill, 2002), hal. 233-252

J. Lettl, J. Bauer, L. Linhart. "Comparison of different filter types for grid connected inverter," in PIERS Proceedings, Marrakesh, Morocco, 2011.

K. Hamza, H. Linda, L. Cherif, "LCL filter design with passive damping for photovoltaic grid connected systems," in IREC2015 The Sixth International Renewable Energy Congress, 2015, pp. 1–4.

Wang, X., et al. "Full feedforward of grid voltage for grid-connected inverter with LCL filter to suppress current distortion due to grid voltage harmonics," in IEEE Transactions on Power Electronics, vol. 25, no. 12, pp. 3119–3127, 2010.

Guo, B., et al. "Optimization design and control of single-stage single-phase PV inverters for MPPT improvement," in IEEE Transactions on Power Electronics, vol. 35, no. 12, pp. 13000–13016, 2020.

Pan, D., et al. "Optimized controller design for $ LCL $-type grid-connected inverter to achieve high robustness against grid-impedance variation," in IEEE Transactions on Industrial Electronics, vol. 62, no. 3, pp. 1537–1547, 2014.

Xu, J., et al. "Design of LCL-filter considering the control impact for grid-connected inverter with one current feedback only," in IET Power Electronics, vol. 10, no. 11, pp. 1324–1332, 2017.

M. Maghraby, H. Ashour, A. Eldin, "Analysis and implementation of discrete SPWM signals for grid-connected inverter with LCL filter," in 2017 Nineteenth International Middle East Power Systems Conference (MEPCON), 2017, pp. 515–520.

D. Yang, X. Wang, F. Blaabjerg, "Investigation of the sideband effect for the LCL-type grid-connected inverter with high LCL resonance frequency," in 2017 IEEE Energy Conversion Congress and Exposition (ECCE), 2017, pp. 5601–5606.




DOI: https://doi.org/10.15575/telka.v10n3.215-227

Refbacks

  • Saat ini tidak ada refbacks.


Jurnal TELKA terindex oleh :


     moraref logo       Crossref logo        sinta logo     base logo


Onesearch logo     IPI logo      Dimensions logo




Didukung oleh :







Lisensi Creative Commons
Ciptaan disebarluaskan di bawah Lisensi Creative Commons Atribusi-NonKomersial-BerbagiSerupa 4.0 Internasional.