Multilevel inverter neutral-point voltage sensor diagnostic based on the Extended Kalman Filter - Publikacja - MOST Wiedzy

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Multilevel inverter neutral-point voltage sensor diagnostic based on the Extended Kalman Filter

Abstrakt

A new algorithm for neutral point voltage imbalance estimation in DC link of the three-level (3L) neutral point clamped (NPC) voltage source inverter (VSI) is proposed. Application of the proposed algorithm does not require any additional sensors. The unbalanced voltage calculation is based on the information derived from the inverter output measured currents and from the knowledge of the load model parameters. In order to estimate the unbalanced voltage extended Kalman filter is used to model non-stationary object. Proposed algorithm can be used for sensorless operation without voltage sensor at the neutral point and can be used also for the voltage sensor diagnostic purposes by comparison of the estimated and measured values. Proposed algorithm implementation provides redundancy and improved reliability of the inverter.

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Informacje szczegółowe

Kategoria:
Aktywność konferencyjna
Typ:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Tytuł wydania:
4th International Conference on Power Engineering Energy and Electrical Drives strony 1676 - 1683
Język:
angielski
Rok wydania:
2013
Opis bibliograficzny:
Szczepankowski P., Kołodziejek P.: Multilevel inverter neutral-point voltage sensor diagnostic based on the Extended Kalman Filter// 4th International Conference on Power Engineering Energy and Electrical Drives/ Istambuł, Turcja: 2013 Fourth International Conference on Power Engineering, Energy and Electrical Drives , 2013, s.1676-1683
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/powereng.2013.6635869
Weryfikacja:
Politechnika Gdańska

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