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Experimental optimization of an IoT-driven load adaptive wireless charging system for electric vehicles using response surface methodology. [PDF]
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APEC '99. Fourteenth Annual Applied Power Electronics Conference and Exposition. 1999 Conference Proceedings (Cat. No.99CH36285), 1999
This paper explores the fundamental limitations of neutral-point voltage balancing problem for different loading conditions of three level voltage source inverters. A new model in DQ coordinate frame utilizing current switching functions is developed, as a means to investigate theoretical limitations and lend more intuitive insight into the problem ...
N. Celanovic, D. Boroyevich
semanticscholar +2 more sources
This paper explores the fundamental limitations of neutral-point voltage balancing problem for different loading conditions of three level voltage source inverters. A new model in DQ coordinate frame utilizing current switching functions is developed, as a means to investigate theoretical limitations and lend more intuitive insight into the problem ...
N. Celanovic, D. Boroyevich
semanticscholar +2 more sources
High Gain Active Neutral Point Clamped Seven-Level Self-Voltage Balancing Inverter
IEEE Transactions on Circuits and Systems II: Express Briefs, 2020This brief presents a novel seven-level (7L) inverter topology for grid-connected renewable applications. It consists of ten active switches and one inner flying-capacitor unit forming a structure similar to conventional active neutral point clamped ...
M. J. Sathik, N. Sandeep, F. Blaabjerg
semanticscholar +3 more sources
A carrier-based PWM scheme for neutral-point voltage balancing in three-level inverters
IEEE Transactions on Industry Applications, 2005A significant problem with neutral-point-clamped three-level inverters is the fluctuation in the neutral point voltage. In this paper, a capacitor voltage balancing technique for carrier-based three-level PWM is developed, with improved voltage control capability at high modulation index.
R. Tallam, R. Naik, T. Nondahl
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IEEE Journal of Emerging and Selected Topics in Power Electronics, 2022
Three-level neutral-point-clamped (NPC) inverter is used in many industrial applications due to its attractive advantages in terms of harmonics content, achieved power level, and electromagnetic interference reduction.
A. Zorig, S. Barkat, A. Sangwongwanich
semanticscholar +1 more source
Three-level neutral-point-clamped (NPC) inverter is used in many industrial applications due to its attractive advantages in terms of harmonics content, achieved power level, and electromagnetic interference reduction.
A. Zorig, S. Barkat, A. Sangwongwanich
semanticscholar +1 more source
Neutral-Point Voltage Balancing Method for Five-Level NPC Inverters Based on Carrier-Overlapped PWM
IEEE transactions on power electronics, 2021Neutral-point voltage imbalance is one of the main problems of five-level neutral-point clamped inverters that impedes their industrial application. In order to solve this problem, a closed-loop neutral-point voltage balancing method based on carrier ...
Kui Wang +3 more
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IEEE Journal of Emerging and Selected Topics in Power Electronics, 2023
In this article, an improved reference voltage decomposition method (RVDM) that takes account of neutral-point (NP) voltage balancing and common-mode voltage (CMV) reduction for NP-clamped three-level converter (NPC-TLC) is proposed.
Z. Xie +4 more
semanticscholar +1 more source
In this article, an improved reference voltage decomposition method (RVDM) that takes account of neutral-point (NP) voltage balancing and common-mode voltage (CMV) reduction for NP-clamped three-level converter (NPC-TLC) is proposed.
Z. Xie +4 more
semanticscholar +1 more source
IEEE transactions on industry applications, 2022
Nowadays, the three-level T-type inverters (3LT2Is) are widely employed in applications with high-performance requirements. The 3LT2Is commonly suffer from neutral point voltage (NPV) unbalance and common-mode voltage (CMV) variation.
M. Lak, Bing-Rong Chuang, Tzung-Lin Lee
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Nowadays, the three-level T-type inverters (3LT2Is) are widely employed in applications with high-performance requirements. The 3LT2Is commonly suffer from neutral point voltage (NPV) unbalance and common-mode voltage (CMV) variation.
M. Lak, Bing-Rong Chuang, Tzung-Lin Lee
semanticscholar +1 more source
IEEE transactions on power electronics, 2021
With the advancements in silicon carbide (SiC) power devices, the solid state transformer (SST)-based power delivery architecture shows advantages over traditional line-frequency transformer-based solution in terms of efficiency, power density ...
Cheng Lu, Wenfei Hu, F. Lee
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With the advancements in silicon carbide (SiC) power devices, the solid state transformer (SST)-based power delivery architecture shows advantages over traditional line-frequency transformer-based solution in terms of efficiency, power density ...
Cheng Lu, Wenfei Hu, F. Lee
semanticscholar +1 more source
IEEE transactions on power electronics, 2023
Bipolar low-voltage dc grids are an emerging and promising solution for power distribution. As a natural candidate for the distribution converter, the three-level neutral-point-clamped (3L-NPC) converter has inherent but limited capability in balancing ...
Bowei Li +5 more
semanticscholar +1 more source
Bipolar low-voltage dc grids are an emerging and promising solution for power distribution. As a natural candidate for the distribution converter, the three-level neutral-point-clamped (3L-NPC) converter has inherent but limited capability in balancing ...
Bowei Li +5 more
semanticscholar +1 more source