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Sensor-less five-level packed u-cell (PUC5) inverter operating in stand-alone and grid-connected modes

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Vahedi, Hani, Labbé, Philippe-Alexandre et Al-Haddad, Kamal. 2016. « Sensor-less five-level packed u-cell (PUC5) inverter operating in stand-alone and grid-connected modes ». IEEE Transactions on Industrial Informatics, vol. 12, nº 1. pp. 361-370.
Compte des citations dans Scopus : 100.

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Abstract

In this paper, a new mode of operation has been introduced for packed U-cell (PUC) inverter. A sensor-less voltage control based on redundant switching states is designed for the five-level packed U-cell (PUC5) inverter, which is integrated into switching process. The sensor-less voltage control is in charge of fixing the dc capacitor voltage at half of the dc source value results in generating symmetric five-level voltage waveform at the output with low harmonic distortion. The sensor-less voltage regulator reduces the complexity of the control system, which makes the proposed converter appealing for industrial applications. An external current controller has been applied for grid-connected application of the introduced sensor-less PUC5 to inject active and reactive power from inverter to the grid with arbitrary power factor, while the PUC auxiliary dc bus is regulated only by sensor-less controller combined with new switching pattern. Experimental results obtained in stand-alone and grid-connected operating modes of proposed PUC5 inverter prove the fast response and good dynamic performance of the designed sensor-less voltage control in balancing the dc capacitor voltage at desired level.

Item Type: Peer reviewed article published in a journal
Professor:
Professor
Al Haddad, Kamal
Affiliation: Génie électrique
Date Deposited: 01 Feb 2016 20:30
Last Modified: 06 Apr 2017 21:05
URI: http://espace2.etsmtl.ca/id/eprint/12213

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