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DC capacitor voltage equalization in neutral clamped inverters for DSTATCOM application / Srikanthan, S. in IEEE transactions on industrial electronics, Vol. 57 N° 8 (Août 2010) 

Public ISBD [article]  in IEEE transactions on industrial electronics > Vol. 57 N° 8 (Août 2010) . - pp. 2768 - 2775 Titre : DC capacitor voltage equalization in neutral clamped inverters for DSTATCOM application Type de document : texte imprimé Auteurs : Srikanthan, S., Auteur ; Mishra, Mahesh Kumar, Auteur Année de publication : 2011 Article en page(s) : pp. 2768 - 2775 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Distribution  STATic  COMpensator  (DSTATCOM)  Hysteresis  band  current  control  Instantaneous  symetrical  component  theory  Voltage  source  inverter  (VSI) Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Multilevel neutral point clamped (NPC) inverter systems are increasingly used in load compensation applications. However, the most significant problem associated with these compensators is the capacitor voltage imbalances and drift due to dc components in the zero sequence current, resulting in degradation of tracking performance of the voltage source inverter. This paper proposes a carrier-based pulsewidth modulation control for an inverter-chopper circuit in order to regulate the capacitor voltages to their reference values. To demonstrate the simplicity and effectiveness of the aforementioned control scheme, a three-phase four-wire three-level NPC compensator system is taken as an example. Detailed simulation has been carried out in PSCAD 4.2.1. Experiments are conducted to validate the proposed control scheme. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4926164 [article] DC capacitor voltage equalization in neutral clamped inverters for DSTATCOM application [texte imprimé] / Srikanthan, S., Auteur ; Mishra, Mahesh Kumar, Auteur . - 2011 . - pp. 2768 - 2775. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 8 (Août 2010) . - pp. 2768 - 2775 Mots-clés : Distribution  STATic  COMpensator  (DSTATCOM)  Hysteresis  band  current  control  Instantaneous  symetrical  component  theory  Voltage  source  inverter  (VSI) Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Multilevel neutral point clamped (NPC) inverter systems are increasingly used in load compensation applications. However, the most significant problem associated with these compensators is the capacitor voltage imbalances and drift due to dc components in the zero sequence current, resulting in degradation of tracking performance of the voltage source inverter. This paper proposes a carrier-based pulsewidth modulation control for an inverter-chopper circuit in order to regulate the capacitor voltages to their reference values. To demonstrate the simplicity and effectiveness of the aforementioned control scheme, a three-phase four-wire three-level NPC compensator system is taken as an example. Detailed simulation has been carried out in PSCAD 4.2.1. Experiments are conducted to validate the proposed control scheme. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4926164