Results 51 to 60 of about 5,356,859 (173)
Stabilization of multi DC bus link voltages of multilevel NPC VSI. Application to double stator induction motors [PDF]
, 2012 Voltage source multilevel inverters have become very attractive for power industries in power electronics applications during last years. The main purposes of studying multilevel inverters are the generation of output voltage signals with low harmonic ...
Talha, A., Beriber, D., Boucherit, M. S.
core
A Study of Three-Level Neutral Point Clamped Inverter Topology [PDF]
, 2014 The three-level Neutral Point Clamped (NPC) inverter has become matured and widely used topology in high-power medium-voltage applications due to several advantages associated with it as compared to other available multilevel topologies.
Gautam, Samir +4 more
core +1 more source
Analysis of variation of neutral point potential in neutral-point-clamped voltage source PWM inverters [PDF]
, 2006 The authors present the analysis of the neutral-point potential variation of the neutral-point-clamped voltage source PWM (pulse-width-modulation) inverter (NPC-VSI) for AC motor drives and static VAr compensators (SVC).
Akagi, Hirofumi, Ogasawara, Satoshi
core +1 more source
SHE-PWM switching strategies for active neutral point clamped multilevel converters
, 2008 The main drawback of the diode neutral-point-clamped (NPC) converter is the unequal loss distribution among the semiconductor devices which confines the maximum output power and the switching frequency.
Sridhar Pulikanti (20124879) +2 more
core
A Novel Neutral Point Voltage Control Strategy for Three-Level NPC APF Based on SVPWM
, 2015 The unbalance of the neutral point voltage is an inherent problem of three-level neutral-point-clamped (NPC) Active Power Filter (APF); this paper analyzes the causes of unbalanced neutral point voltage and studies the reason of the unbalance of the ...
Zhang Bin +3 more
core +2 more sources
Energija Ekonomija EkologijaThree-phase photovoltaic "on-grid" three level with neutral point clamped (3L NPC) have become very interesting for high-power photovoltaic systems from the aspect of output voltage quality and reduction of harmonics injected into the power grid. This type of inverter shows several advantages compared to classic three-phase inverters with two levels ...
Željko V. Despotović +2 more
openaire +1 more source
Evaluation of the neutral-point voltage in the three-level NPC inverter based on analysis of output currents [PDF]
, 2007 Zaproponowano prostą i skuteczną metodę wyznaczania wartości napięcia niezrównoważenia w obwodzie pośredniczącym trójpoziomowego falownika NPC (ang. Neutral-Point-Clamped).
Nieznański, J., Szczepankowski, P.
core
Hybrid Modulation and Optimal Neutral-Point Voltage Control for Three-Level NPC Inverters
, 2013 A preliminary review of advanced carrier based modulation techniques for three-phase three-level NPC inverter is reported, focusing the attention to double signal and hybrid modulations.
PETRELLA, Roberto +2 more
core +1 more source