2   Artículos

 
en línea
Heng Du, Qiuye Sun, Qifu Cheng, Dazhong Ma and Xu Wang    
In this paper, the basic principle and characteristics of a phase-locked loop (PLL) in a single phase grid-connected system are analyzed, and this paper introduces one type virtual orthogonal voltage vector method based on a third order generalized integ... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Kyoung-Pil Kang, Younghoon Cho, Myung-Hyo Ryu and Ju-Won Baek    
In three-level neutral-point-clamped (NPC) inverters, the voltage imbalance problem between the upper and lower dc-link capacitors is one of the major concerns. This paper proposed a dc-link capacitor voltage balancing method where a common offset voltag... ver más
Revista: Energies    Formato: Electrónico

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