Results 1 to 10 of about 5,260 (214)
An Interline Dynamic Voltage Restorer Using Neutral-Point-Clamped (NPC) Multilevel Converter
Advances in Electrical and Electronic Engineering, 2018 Because of increased number of sensitive loads and automated processes in industry, need for high quality power is nowadays inevitable. Deteriorated power quality my result in huge financial losses and also decreases the productivity.
Mohammad Farhadi-Kangarlu
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Efficiency Performance of 7-Level Multiplexed and 3-Level Neutral Point Clamped (NPC) Converters
EnergiesIn medium-voltage AC applications, multilevel converters are essential due to their ability to achieve high efficiency and significantly reduce total harmonic distortion (THD), ensuring improved performance and power quality.
Shafquat Hussain +5 more
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Research on topology of a novel three-phase four-leg fault-tolerant NPC inverter [PDF]
Archives of Electrical Engineering, 2022 Diode neutral point clamped (NPC) three-level converters have been widely used in recent years. Aiming at the problems of the high device failure rate and unstable neutral point potential of NPC three-level converters, an NPC three-level circuit with ...
Baoge Zhang +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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Simplified PWM Strategy for Neutral-Point-Clamped (NPC) Three-Level Converter [PDF]
Journal of Power Electronics, 2014 A novel simplified pulse width modulation(PWM) strategy for neutral point clamped (NPC) three-level converter is proposed in this paper.The direct output voltage modulation is applied to reduce the calculation time. Based on this strategy, several optimized control methods are proposed. The neutral point potential balancing algorithm is discussed and a
Zongbin Ye +4 more
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Energies, 2023 Three-level neutral-point clamped (NPC) inverters are widely used in the new energy power generation, motor drive, and many other occasions. However, the neutral-point voltage imbalance of an NPC inverter will affect the output of the inverter system ...
Guo Chen +4 more
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Comparison of Isolated Bidirectional DC/DC Converters Using WBG Devices for More Electric Aircraft
IEEE Open Journal of the Industrial Electronics Society, 2021 With the aim towards lighter and more efficient electrical systems in future aircraft, design of DC/DC converters with high efficiency, power density and improved thermal management becomes necessary.
Niloufar Keshmiri +3 more
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IEEE Access, 2021 This paper introduces an advanced space vector modulation technique for three-level neutral-point-clamped (3L-NPC) converters. The studied 3L-NPC converters within aircraft electric starter generator (ESG) systems normally operate at high modulation ...
Chen Li +5 more
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An On-line Diagnostic Method for Open-circuit Switch Faults in NPC Multilevel Converters [PDF]
, 2016 On-line condition monitoring is of paramount importance for multilevel converters used in safety-critical applications. A novel on-line diagnostic method for detecting open-circuit switch faults in neutral-point-clamped (NPC) multilevel converters is ...
Demerdash, Nabeel, He, Jiangbiao
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Energies, 2018 In order to solve the neutral-point voltage unbalancing problem for neutral-point clamped (NPC) three-level inverters under non-ideal grid conditions, a novel zero-sequence component injection method for modulation signals was proposed in this paper ...
Jian Guo Lyu +3 more
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