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Stefan Biser, Guido Wortmann, Swen Ruppert, Mykhaylo Filipenko, Mathias Noe and Martin Boll
Electric propulsion (EP) systems offer considerably more degrees of freedom (DOFs) within the design process of aircraft compared to conventional aircraft engines. This requires large, computationally expensive design space explorations (DSE) with couple...
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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...
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Shi Weng Gui, Zhen Jun Lin and Sheng Hua Huang
In the research field of multilevel converters, three-level NPC (neutral-point-clamped) converters, which unfortunately may cause the deviation of the neutral-point voltage of DC-link capacitors, are widely discussed. Theoretically, virtual space vector ...
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José Gabriel Oliveira Pinto, Rui Macedo, Vitor Monteiro, Luis Barros, Tiago Sousa and João L. Afonso
This paper presents a single-phase Shunt Active Power Filter (SAPF) with a multilevel converter based on an asymmetric full-bridge topology capable of producing five distinct voltage levels. The calculation of the SAPF compensation current is based on th...
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Naveed Ashraf, Ghulam Abbas, Nasim Ullah, Ahmad Aziz Al-Ahmadi, Ali Raza, Umar Farooq and Mohsin Jamil
Single-phase direct frequency converters are gaining attraction at the research and academic level as they are rapidly getting space over conventional multistage converters. The converters developed with a rectification and inversion process using a DC-l...
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S. Raja Mohamed, P. Aruna Jeyanthy, D. Devaraj, M. H. Shwehdi and Adel Aldalbahi
The high penetration level of solar photovoltaic (SPV) generation systems imposes a major challenge to the secure operation of power systems. SPV generation systems are connected to the power grid via power converters. During a fault on the grid side; ov...
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Dan Wang, Chongru Liu and Gengyin Li
In recent years, the increasing penetration level of wind energy into power systems has brought new issues and challenges. One of the main concerns is the issue of dynamic response capability during outer disturbance conditions, especially the fault-tole...
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