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Analysis and Estimation of Neutral-Point Voltage Balancing Ability of an Optimized Balancing Algorithm for Grid Connected Active-NPC converter
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| Author(s) |
Joseph Kiran BANDA |
| Abstract |
Neutral-point (NP) voltage balancing is a well-known challenge associated with Neutral Point Clamped (NPC) multi-level voltage source converters. Most of the literature on multilevel NPC converters discusses on multiple balancing techniques that are used to nullify dc or ac unbalance and claims the adaptability of these techniques over wide range of modulation indices and power factors. This paper details out the analysis for estimating the maximum balancing ability of an optimized neutral point balancing technique applied on a grid connected 3-Level Active-NPC (ANPC) converter with supporting simulation and experimental results. Also, a simplified analysis to study the impact of grid harmonics on the neutral point potential is presented and validated with the help of simulation results. |
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| Filename: | 0044-epe2022-full-12290788.pdf |
| Filesize: | 1.387 MB |
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| Type |
Members Only |
| Date |
Last modified 2023-09-24 by System |
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