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Modified Predictive Control Method of Three-Level Simplified Neutral Point Clamped Inverter for Common-Mode Voltage Reduction and Neutral-Point Voltage Balance [PDF]
IEEE Access, 2019 Three-level simplified neutral point clamped (NPC) inverters are studied due to lower harmonics and fewer switching devices. Nevertheless, this topology needs to obtain neutral point (NP) voltage balance through either control or modulation methods.
Fei Wang, Zhijun Li, Xiangrong Tong
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A neutral-point voltage balance control method for 3L-NPC converters
Frontiers in Energy ResearchThe inherent problem of neutral-point potential imbalance in three-level neutral-point-clamped (3L-NPC) converters increases the risk of overvoltage in switching devices, causes increased output harmonic content, and seriously affects the performance and
Jun Wang
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A new neutral-point voltage balance modulation strategy for three-level converters
机车电传动Three-level converters have been widely used in high-power rail transit applications due to their advantages. However, they also have an inherent problem of neutral-point voltage imbalance. To address this issue in neutral point clamped (NPC) converters,
ZHANG Hu +3 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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IEEE Access, 2022 The neutral-point clamped (NPC) inverter is widely used in energy conversion, but the unbalance of neutral-point voltage (NPV) will lead to imprecise control and the decline of power quality.
Nan Jin +4 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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Neutral-Point Voltage Balancing Method for Three-Phase Three-Level Dual-Active-Bridge Converters
Energies, 2022 Three-phase three-level dual-active-bridge (3L-DAB3) converters are a potential topology for high-voltage and high-power applications. Neutral-point voltage balancing is a complex and important issue for three-level (3L) circuits.
Xinmi Wu, Yu Zhang, Jiawen Yang
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Performance Comparison of Five-Level Active Neutral Point Converter Based on Phase Disposition-PWM and Alternate Phase Opposition Disposition-PWM [PDF]
ITM Web of Conferences, 2022 The work in this paper presents the performance analysis of the reduced component count converter which is the 5-Level Active Neutral Point Converter (5LANPC).
Ameer Noory Zainab, Hassan Raaed. F.
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Flying capacitor voltage balance and neutral point voltage regulation of PV array fed active neutral point clamped converter in real‐time HIL [PDF]
IET Power Electronics, 2020 This study deals with a new control strategy for flying capacitor (FC) based multilevel converter, in order to attain the desired reference value for five‐level output voltage in active neutral point clamped (ANPC) converter. The balancing of capacitor voltages is one of the crucial aspects of grid‐tied photovoltaic (PV) fed ANPC converter.
Nidhi Mishra +4 more
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IEEE Access, 2020 This paper proposes a predictive control method with offset voltage injection for achieving a neutral point (NP) voltage balance of three-phase three-level neutral point clamped (NPC) inverter, without employing a weighting factor. In order to ensure the
Eun-Su Jun +2 more
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