@inproceedings{a0111bd95ffe4f4c88759b76304d337a,
title = "Predictive current control and DC-link capacitor voltages balancing for four-leg NPC inverters",
abstract = "This paper presents a finite control set model predictive strategy to control the three-phase four-leg neutral-point-clamped (NPC) inverters. The four-leg NPC inverter delivers power to the unbalanced/nonlinear three-phase loads, and it can produce three output currents independently. The proposed method uses the discrete-time model of the inverter and load to predict the load current and capacitor voltages behavior for each valid switching state of the inverter. The control method chooses a state which generates the minimum error between the output currents and their references and also between the capacitor voltages. The neutral-leg switching frequency reduction algorithm is also proposed to improve the efficiency of the converter. Through computer simulations, the feasibility of the proposed predictive control scheme is verified; it performs well, showing a clear capacity to compensate disturbances while balancing the DC-link capacitor voltages and reducing the average switching frequency.",
keywords = "Diode-clamped, Four-leg converters, NPC inverter, Predictive control, Three-level converters",
author = "V. Yaramasu and B. Wu and M. Rivera and J. Rodriguez",
year = "2013",
doi = "10.1109/ISIE.2013.6563598",
language = "English (US)",
isbn = "9781467351942",
series = "IEEE International Symposium on Industrial Electronics",
booktitle = "2013 IEEE International Symposium on Industrial Electronics, ISIE 2013",
note = "2013 IEEE 22nd International Symposium on Industrial Electronics, ISIE 2013 ; Conference date: 28-05-2013 Through 31-05-2013",
}