Results 1 to 10 of about 8,018 (157)
Phase-Shifted Carrier Pulse-Width Modulation Algorithm With Improved Dynamic Performance for Modular Multilevel Converters [PDF]
High modularity, easy scalability, and superior harmonic performance, comprising the topology with the most potential for medium- to high-voltage high-power applications, are representative features of a modular multilevel converter (MMC).
Minh Hoang Nguyen +2 more
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The conventional approach to designing controllers for the phase-shifted full-bridge (PSFB) converter is to design a linear compensator based on the small-signal model, which cannot provide the converter with strong robustness against parametric ...
Ming Gao +3 more
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Research of modular multilevel converter with phase-shifted pulse-width modulation [PDF]
The work is devoted to the study of performance of a multilevel electric energy converter using phase-shifted pulse-width modulation. Equations describing the state of a dynamic system multilevel converter - load are investigated and a mathematical model
Kozakevych Ihor, Siyanko Roman
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The typical strategy for the phase-shifted full-bridge (PSFB) converter is to design a linear compensator based on a small-signal model. However, this approach cannot provide a strongly robust output under changing operating conditions or with ...
Changshuo Li +3 more
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High-voltage cascaded H-bridge multilevel (CHBML) inverters usually include many isolated dc voltage sources. Some dc source faults result in a drop in the dc voltage, thereby leading to unequal cell dc voltages.
Xin-Jian Cai +3 more
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A Modified Phase-Shifted Pulse Width Modulation to Extend Linear Operation of Hybrid Modular Multi-level Converter [PDF]
Recently, hybrid modular multi-level converters, which are configured as full and half bridge sub-modules, are developed and utilized in the wide area of applications.
M. M. Rahimian +2 more
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In the medium-voltage power distribution system, cascaded H-bridge (CHB) static synchronous compensators (STATCOMs) are widely utilized to solve power quality issues by injecting the controlled reactive current into the system. The carrier-phase-shifted (
Chen Xu, Jingjing Chen, Ke Dai
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Symmetrical Cascaded Switched-Capacitor Multilevel Inverter Based on Hybrid Pulse Width Modulation
Multilevel inverters have been widely used in various industrial applications such as renewable energy generation and electric vehicles. An improved circuit of symmetrical cascaded switched-capacitor multilevel inverter is proposed so that the reactive ...
Lingling Cao +3 more
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An Optimized Carrier Phase-Shifted Modulation Strategy for Cuk PV Inverter
There exists the problems of output voltage zero-point drift and high even harmonic content of the three-phase Cuk liftable voltage photovoltaic (PV) inverter when it adopts the conventional carrier modulation method.
Renxi Gong, Cheng Zhao
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A Fast, Decentralized, Self-Aligned Carrier Method for Multicellular Converters
This paper proposes a fast, decentralized method for self-aligning the carriers of a multiphase/multilevel converter operating on the basis of phase-shifted pulse width modulation or level-shifted pulse width modulation. In the proposed method, each cell
Quoc Dung Phan +8 more
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