Riswandi, Muhammad Athariq Yurisqi (2024) Desain dan Implementasi Bidirectional Voltage Source Inverter Satu Fasa dengan Metode Kontrol Arus Histerisis. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Sejak diperkenalkannya sumber energi terbarukan ke dalam sistem pembangkit daya terdistribusi, inverter yang terhubung ke jaringan dan pengendaliannya memainkan peran penting dalam produksi energi secara keseluruhan. Namun, karena perilaku stokastik sumber daya terbarukan yang terhubung ke jaringan, pengendalian arus inverter menjadi tantangan terbesar. Terdapat berbagai teknik yang diusulkan dalam literatur untuk pengendalian arus dengan pengendali linear dan non-linear. Pengendali linear berdasarkan modulasi PWM memiliki respons keadaan yang lebih baik, namun memiliki kinerja dinamis yang lambat tergantung pada jenis beban yang terhubung. Di antara berbagai teknik yang ada, pengendali arus histerisis (Hysteresis Current Controller/HCC) menawarkan respons dinamis yang cepat, mudah diimplementasikan, dan ketangguhan terhadap variasi parameter beban keluaran. Pada tugas akhir ini akan dibuat desain, simulasi, dan alat Bidirectional VSI dengan kontrol arus histerisis. Dengan memvariasikan besar beban dan besar band histerisis, akan di buktikan konverter ini dapat menyuplai daya dua arah. Di tetapkan daya sistem sebesar 144 Watt, dengan tegangan AC 24 V dan tegangan DC sebesar 48 V.
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Since the integration of renewable energy sources in distributed power generation systems, the role of grid-connected inverters and their control has been crucial in the overall energy production. However, due to the unpredictable nature of grid-connected renewable resources, the current control of inverters has become a significant challenge. Various techniques have been proposed for current control, utilizing both linear and nonlinear controllers. Linear controllers based on PWM modulation offer a superior steady-state response but exhibit slower dynamic performance depending on the connected load type. Among the different techniques, hysteresis current control (HCC) provides a rapid dynamic response, is easily implementable, and remains robust against variations in the output load parameters. This final project aims to develop the design, simulation, and prototyping of a bidirectional voltage-source inverter (VSI) with hysteresis current control. Through the adjustment of the load magnitude and hysteresis band size, it has been demonstrated that this converter can facilitate bidirectional power flow. The system power was configured at 144 Watts, with an AC voltage of 24V and a DC voltage of 48V.
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