Research on the Equivalent Virtual Space Vector Modulation Output of Diode Clamped N-level Converter under Multi-Modulation Carrier Modulation [PDF]
Energies, 2020 Diode-clamped multi-level converters have DC-side capacitors in series, which will lead to the unbalance of DC-side capacitor voltage, the distortion of the output waveform, the increase of total harmonic distortion (THD), and even the damage of ...
Yingjie He +3 more
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IET Power Electronics, 2023 The four‐level nested neutral point clamped (4L‐NNPC) converter is a new multi‐level converter with a simple topology, which is suitable for the medium‐voltage application. But it has voltage balancing problems under the low output frequency condition. A
Liangdeng Hu, Fei Xiao, Ziyue Xin
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A MODIFIED VIRTUAL SPACE VECTOR MODULATION TECHNIQUE FOR Z-SOURCE NPC INVERTERS [PDF]
Carpathian Journal of Electrical Engineering, 2018 A modified virtual space vector modulation approach for the control of a Z-source neutral point clamped inverter is presented in this paper. This approach works perfectly for the traditional neutral point clamped inverter.
Francis EFFAH +4 more
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Improved virtual space vector modulation for neutral point voltage oscillation and common-mode voltage reduction in neutral point clamped three-level inverter [PDF]
Archives of Electrical Engineering, 2021 The neutral point clamped (NPC) three-level inverter is widely used in highvoltage and high-power applications. However, neutral point voltage oscillation (NPVO) and common-mode voltage (CMV) problems exist in the NPC three-level inverter. In this paper,
Junlong Fang +4 more
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A Novel Vector-Based Pulse-Width Modulation for Three-Phase Two-Level Voltage Source Inverters [PDF]
Journal of Operation and Automation in Power Engineering, 2023 - The space vector pulse-width modulation (SVPWM) is a simple and suitable method for voltage control of three-phase two-level voltage source inverters (VSI)s.
T. Qanbari +2 more
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Model Predictive Control with constant switching frequency using a Discrete Space Vector Modulation with virtual state vectors [PDF]
2009 IEEE International Conference on Industrial Technology, 2009 Finite states model predictive control (FS-MPC) appears as a promising control technique to be applied to power converters in the industry. However, the FS-MPC presents some drawbacks as non constant switching frequency and high sampling frequency.
Cortés, P. +7 more
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Virtual Space Vector Pulse Width Modulation for Asymmetric T-Type Neutral Point Clamped 3-Level Inverter [PDF]
Mathematical Problems in Engineering, 2021 This paper proposes a novel 3-phase asymmetric 3-level T-type NPC inverter and studies its PWM performance using a virtual space vector pulse width modulation control strategy. Firstly, the mathematical model and characteristics of this economical topology are described.
Nam Xuan Doan, Nho Van Nguyen
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An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications [PDF]
IEEE Transactions on Industry Applications, 2021 Multilevel converters have been used for aircraft electric starter/generator (ESG) systems due to their high power qualities. One of the desirable topologies is the three-level neutral-point-clamped (3L-NPC) converter. Our studied ESG system operates at a high speed during its generation mode, which results in high modulation index (MI) and puts some ...
Feng Guo +5 more
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An Improved Varied Virtual-space-vector Modulation for Neutral-point-clamped Three-level Inverter
Journal of Physics: Conference Series, 2021 Abstract The problem of neutral-point potential balance is always an inherent problem of three-level inverters. In this paper, an improved varied virtual-space-vector modulation method is proposed to improve the neutral point potential balance capability of three-level inverters.
Guanqing Zhou +3 more
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IEEE Access, 2020 The voltage balancing problem of dc-link capacitors in multilevel diode-clamped converters limits their applications in industry under some operational conditions.
Muhammad Attique Qamar +4 more
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