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Comparison between flying capacitor and modular multilevel inverter [PDF]
, 2009 The paper describes the operational principle of flying capacitor and modular multilevel inverters. The detailed discussions of dc link capacitors voltage balancing methods for both inverters are given in order to enable fair comparison. The causes of dc
Anaya-Lara, O. +5 more
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A hybrid multilevel converter for medium and high voltage applications [PDF]
, 2010 This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Ahmed, Khaled +4 more
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Frequency-Decrease Effect and Inhibitory Strategies for Capacitor Voltage in MMC-UPFCs Based on Tagging Technology [PDF]
Dianli jianshe[Objective] In this study， we aim to address the submodule capacitor voltage frequency reduction effects and the resulting deterioration in system switching losses and harmonic performance in modular multilevel converter （MMC）-based unified power flow ...
WANG Chuyang, ZHANG Mengjie, ZHAO Yunlong, ZOU Yuting, ZHANG Li
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Advances in Electrical and Computer Engineering, 2021 Modular multilevel converters (MMCs) can be a reliable solution since they have modular structure and high quality output waveform for permanent magnet synchronous generator (PMSG) based wind energy conversion system (WECS). Capacitor voltage balancing
VURAL, A. M., KURTOGLU, M., EROGLU, F.
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A Wind Energy Prediction Scheme Combining Cauchy Variation and Reverse Learning Strategy
Advances in Electrical and Computer Engineering, 2021 Modular multilevel converters (MMCs) can be a reliable solution since they have modular structure and high quality output waveform for permanent magnet synchronous generator (PMSG) based wind energy conversion system (WECS). Capacitor voltage balancing
WU, X., SHEN, X., ZHANG, J., ZHANG, Y.
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The Research of Capacitor Voltage Balancing Strategy of MMC [PDF]
Advances in Engineering Research, 2015 Compared with the two level voltage source, the modular multilevel converter (MMC) adopting the modular design dose not have the disadvantages such as the direct series connected Insulated gate bipolar (IGBT),high generation of harmonics, etc. MMC is currently studied and applied in high voltage and high power conversion applications.
Jianpo Zhang, Jichen Liu, Xiufang Jia
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Modified phase-shifted PWM control for flying capacitor multilevel converters [PDF]
, 2007 The issue of voltage imbalance remains a challenge for the flying capacitor multilevel converter. The phase-shifted pulsewidth modulation (PS-PWM) method has a certain degree of self-balancing properties.
Chunmei Feng +5 more
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Zhongguo dianli, 2019 The capacitor voltage balance of modular multilevel converter is the key to its stable operation, aiming at problem of large calculation amount and high switching frequency existing in traditional capacitor voltage balancing strategy. This paper proposes
Fengyang GAO +3 more
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Active Voltage Balancing of Series Connected SiC MOSFET Submodules Using Pulsewidth Modulation
IEEE Open Journal of Power Electronics, 2021 Series connection of multiple transistors is an attractive solution to achieve higher voltage capability. However, the voltage imbalance among the series-connected devices is a critical issue caused by mismatches of device characteristics and gate ...
Inhwan Lee, Xiu Yao
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Direct control strategy for a four-level three-phase flying-capacitor inverter [PDF]
, 2010 A direct predictive control strategy is proposed for a three-phase four-level flying-capacitor (FC) inverter in this paper. The balancing of the FC voltages, a challenge in applications with small capacitors and low switching frequencies, is done without
Llor, Ana-Maria +2 more
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