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Title
Japanese: 
English:Discussion on Instability of Current-controlled Inverter with df/dt-type Virtual Inertia Control 
Author
Japanese: 上田 拓海, 佐野 憲一朗, Daisuke Terazono, 灘 香帆.  
English: Takumi Ueda, Kenichiro Sano, Daisuke Terazono, Kaho Nada.  
Language English 
Journal/Book name
Japanese: 
English:Proc. of IEEE Energy Conversion Congress and Expo (ECCE 2024) 
Volume, Number, Page         pp. 880-882
Published date Oct. 2024 
Publisher
Japanese: 
English:IEEE 
Conference name
Japanese: 
English:IEEE Energy Conversion Congress and Expo (ECCE 2024) 
Conference site
Japanese: 
English: 
Abstract This paper focuses on the stability of a currentcontrolled inverter (GFL type) with df/dt-type virtual inertia control. The authors analyze the dynamic characteristics compared to those of synchronous generators and demonstrate the existence of a second-order delay between the electrical frequency and the rotor’s rotational frequency in synchronous generators. Then, this second-order delay is implemented into the df/dt-type virtual inertia control as a second-order low-pass filter (LPF), and the influence of the LPF is investigated by EMT simulation.

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