A survey on capacitor voltage control in neutral-point-clamped multilevel converters

S Alepuz, S Busquets-Monge, J Nicolás-Apruzzese… - Electronics, 2022 - mdpi.com
Neutral-point-clamped multilevel converters are currently a suitable solution for a wide
range of applications. It is well known that the capacitor voltage balance is a major issue for …

Over modulation strategy of power converters: A review

X Guo, M He, Y Yang - IEEE Access, 2018 - ieeexplore.ieee.org
With the increasingly prominent global energy problem, renewable energy technology has
gradually become the focus of attention. The development and utilization of the pulse width …

A space vector modulation scheme of the quasi-Z-source three-level T-type inverter for common-mode voltage reduction

C Qin, C Zhang, A Chen, X Xing… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The conventional three-level inverter suffers the limitation of voltage buck operation. In order
to give both voltage buck and boost operation capability, the quasi-Z-source three-level T …

Virtual-space-vector PWM for a three-level neutral-point-clamped inverter with unbalanced DC-links

X Wu, G Tan, Z Ye, G Yao, Z Liu… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, the properties and operation of the virtual-space-vector pulse-width modulation
(PWM) for a three-level neutral-point-clamped inverter with unbalanced dc-links are studied …

Active modulation strategy for capacitor voltage balancing of three-level neutral-point-clamped converters in high-speed drives

F Guo, T Yang, C Li, S Bozhko… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this article, the equivalent relationship between the nearest-three-virtual space vector and
carrier-based pulsewidth-modulation scheme is established based on space vector …

Leakage current attenuation of a three-phase cascaded inverter for transformerless grid-connected PV systems

X Guo, J Zhou, R He, X Jia… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Three-phase cascaded inverter with leakage current reduction for the transformerless PV
system is investigated in this paper. The common-mode loop model of the conventional …

Simultaneous common-mode voltage reduction and neutral-point voltage balance scheme for the quasi-Z-source three-level T-type inverter

C Qin, C Zhang, X Xing, X Li, A Chen… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The conventional three-level inverter only has voltage buck capability. The quasi-Z-source
three-level T-type inverter (QZS 3LT 2 I) has been proposed to realize voltage buck-boost …

Leakage current suppression of three-phase flying capacitor PV inverter with new carrier modulation and logic function

X Guo, B Wei, T Zhu, Z Lu, L Tan… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Flying capacitor photovoltaic (PV) inverters have been widely discussed in the literature.
However, the relevant leakage current issues have not received much attention. In this …

A hybrid method to eliminate leakage current and balance neutral point voltage for photovoltaic three-level T-type inverter

M Lak, YT Tsai, BR Chuang, TL Lee… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Nowadays, neutral point voltage (NPV) balancing control and leakage current (LC)
reduction methods are considered to improve the reliability of transformerless three-level T …

Common-mode voltage elimination in multilevel power inverter-based motor drive applications

E Robles, M Fernandez, J Zaragoza… - IEEE …, 2021 - ieeexplore.ieee.org
The industry and academia are focusing their efforts on finding more efficient and reliable
electrical machines and motor drives. However, many of the motors driven by pulse-width …