Analisis Kestabilan Transien Virtual Synchronous Generator Dengan Penambahan CES (Capacitive Energy Storage)

Sugianto, Aisyah Raihana Rahmani (2026) Analisis Kestabilan Transien Virtual Synchronous Generator Dengan Penambahan CES (Capacitive Energy Storage). Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Meningkatnya penggunaan pembangkit energi terbarukan berbasis inverter menimbulkan tantangan dalam menjaga kestabilan transien sistem tenaga listrik. Salah satu metode yang dikembangkan untuk mengatasi permasalahan tersebut adalah Virtual Synchronous Generator (VSG), yang dirancang untuk meniru perilaku operasi generator sinkron konvensional melalui sistem kontrol. Namun pada kondisi gangguan berat, sistem berbasis VSG memiliki keterbatasan. Penelitian ini bertujuan untuk menganalisis pengaruh penambahan Capacitive Energy Storage (CES) terhadap kestabilan transien sistem berbasis VSG. Penelitian dilakukan pada sistem Single Machine dengan skenario gangguan hubung singkat tiga fasa dan dua fasa. Evaluasi kestabilan transien dilakukan berdasarkan nilai Critical Clearing Time (CCT) dan respons sudut rotor sebagai parameter utama, serta respons tegangan, arus, daya aktif, dan daya reaktif digunakan sebagai parameter pendukung analisis. Hasil simulasi menunjukkan bahwa penambahan CES mampu meningkatkan nilai CCT serta memperbaiki respons sudut rotor. Selain itu, respons tegangan, arus, daya aktif, dan daya reaktif menunjukkan respons yang lebih stabil dibandingkan sistem tanpa CES. Hasil penelitian menunjukkan bahwa penambahan CES pada sistem VSG efektif dalam meningkatkan kestabilan transien.
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The increasing use of inverter-based renewable energy generation has created new challenges in maintaining the transient stability of power systems. One method developed to address this issue is the Virtual Synchronous Generator (VSG), which is designed to emulate the operating behavior of conventional synchronous generators through a control system. However, under severe disturbance conditions, VSG-based systems still have limitations in maintaining transient stability. Therefore, this study aims to analyze the effect of integrating Capacitive Energy Storage (CES) on the transient stability of a VSG-based system. The study was conducted on a Single Machine system under three-phase and two-phase short-circuit fault scenarios. Transient stability was evaluated based on Critical Clearing Time (CCT) and rotor angle response as the main parameters, while voltage, current, active power, and reactive power responses were used as supporting parameters. The simulation results show that the integration of CES increases the CCT value and improves the rotor angle response. In addition, the voltage, current, active power, and reactive power responses become more stable compared to the system without CES. These results indicate that the integration of CES into a VSG-based system is effective in improving transient stability.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Capacitive Energy Storage, Critical Clearing Time, kestabilan transien, sudut rotor, Virtual Synchronous Generator, rotor angle, transient stability
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK3226 Transients (Electricity). Electric power systems. Harmonics (Electric waves).
Divisions:	Faculty of Electrical Technology > Electrical Engineering > 20201-(S1) Undergraduate Thesis
Depositing User:	Aisyah Raihana Rahmani Sugianto
Date Deposited:	17 Jul 2026 07:33
Last Modified:	17 Jul 2026 07:33
URI:	http://repository.its.ac.id/id/eprint/135423

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