Results 1 to 10 of about 52,716 (352)

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
doaj   +2 more sources

Virtual Vector-Based FCS-MPC for NPC Three-Level Grid-Tied Inverter Without Weighting Factor of Neutral-Point Voltage Balancing

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, Dongren Dai, Huan Xie, Jie Wu, Leilei Guo   +4 more
doaj   +2 more sources

Voltage balancing in three-level neutral-point-clamped converters via Luenberger observer [PDF]

Control Engineering Practice, 2014
This paper addresses the problems associated with the dc-link capacitor voltages of the three-level neutral-point-clamped power converter: the imbalance of the capacitor voltages as well as the presence of an ac-voltage low-frequency oscillation in the ...
Gordillo Álvarez, Francisco, Gómez‐Estern Aguilar, Fabio, Portillo Guisado, Ramón Carlos, Salas Gómez, Francisco, Umbría Jiménez, Francisco, Vázquez Pérez, Sergio   +5 more
core   +7 more sources

Capacitor Voltage Balancing for Neutral Point Clamped Dual Active Bridge Converters

IEEE Transactions on Power Electronics, 2020
A capacitor voltage balancing method is proposed for a full-bridge neutral point diode clamped (NPC) dual-active bridge (DAB) converter. In existing literature, capacitor voltage balancing is achieved by actively selecting between the small voltage ...
M. Awal, Md Rashed Hassan Bipu, O. Montes, Hao Feng, I. Husain, Wensong Yu, S. Lukic   +6 more
semanticscholar   +2 more sources

Research on the mechanism of neutral-point voltage fluctuation and capacitor voltage balancing control strategy of three-phase three-level T-type inverter [PDF]

, 2017
In order to solve the neutral-point voltage fluctuation problem of three-phase threelevel T-type inverters (TPTLTIs), the unbalance characteristics of capacitor voltages under different switching states and the mechanism of neutral-point voltage ...
Gangui Yan, S. Duan, Shujian Zhao, Gen Li, Wu Wei, Hongbo Li   +5 more
semanticscholar   +4 more sources

A Neutral Point Balancing and Voltage Error Compensation Approach for Fault-Tolerant 3-Level Inverters

IEEE Open Journal of Power Electronics
Neutral point clamped inverters, such as NPC, ANPC, or T-Type inverters, have emerged as competitive solutions for specific automotive traction applications due to the increase in DC-link voltage levels up to $800 \,\mathrm{V}$. Besides improved harmonic
Johannes Haring, Maximilian Hepp, Wolfgang Wondrak, Mark-M. Bakran   +3 more
doaj   +2 more sources

Multi-source Powered Mining Truck Three-level DC/DC Converter and Its Energy Management Control Strategy

Kongzhi Yu Xinxi Jishu, 2023
Multi-source powered mining trucks are expected with broad market prospects, due to the advantages in energy conservation, environmental protection, flexibility and efficiency.
ZHOU Zhenbang, WANG Yue, FU Jianguo, LIANG Xifan, TANG Xunlu, FU Gang   +5 more
doaj   +3 more sources

A Modified Neutral-point Voltage Control Strategy for Three-level Inverters Based on Decomposition of Space Vector Diagram

CES Transactions on Electrical Machines and Systems, 2022
Capacitor voltage imbalance is a significant problem for three-level inverters. Due to the mid-point modulation of these inverter topologies, the neutral point potential moves up or down depending on the neutral point current direction creating ...
Dereje Woldegiorgis, H. Alan Mantooth
doaj   +1 more source

Compensation-Voltage-Injection-Based Neutral-Point Voltage Fluctuation Suppression Method for NPC Converters

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, Chunyang Gong, Jun Bao, Lihua Zhu, Zhixin Wang   +4 more
doaj   +1 more source

An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives

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, Tao Yang, Zhen Huang, Seang Shen Yeoh, Serhiy Bozhko, Patrick Wheeler   +5 more
doaj   +1 more source