Results 11 to 20 of about 9,713 (302)
HVDC Transmission Systems based Multi-level Voltage Source Converters for Iraqi Super Grid [PDF]
Engineering and Technology Journal, 2014 High Voltage Direct Current Transmission (HVDC) with Voltage Source Converter (VSC) technology provides substantial technical and economical advantages for different applications compared to conventional HVDC transmission systems based on thyristor ...
Adil Hameed Ahmed +1 more
doaj +1 more source
Fundamental Circuit Topology of Duo-Active-Neutral-Point-Clamped, Duo-Neutral-Point-Clamped, and Duo-Neutral-Point-Piloted Multilevel Converters [PDF]
IEEE Journal of Emerging and Selected Topics in Power Electronics, 2019 Multilevel voltage-source converters are well-suited for power conversion applications demanding higher power density, reliability, efficiency, and power quality. An unremitting and persistent research for developing advanced multilevel converter topologies with improved characteristics, performance, modulation techniques, and control methods continues.
Vahid Dargahi +7 more
openaire +2 more sources
Analysis of loss distribution for power devices of active neutral point clamped three-level inverter
Gong-kuang zidonghua, 2014 In view of problem of uneven loss distribution of power devices in running process of traditional neutral point clamped three level inverter, this paper introduced working principle and basic modulation strategy of active neutral point clamped three ...
ZHAO Xia +4 more
doaj +1 more source
Journal of Modern Power Systems and Clean Energy, 2017 This paper proposes a novel hybrid multilevel converter with DC fault-blocking capability, i.e., the neutral-point clamped hybrid multilevel converter (NHMC).
Xinyu YU +5 more
doaj +1 more source
Space-vector-modulated three-level inverters with a single Z-source network [PDF]
, 2012 The Z-source inverter is a relatively recent converter topology that exhibits both voltage-buck and voltage-boost capability. The Z-source concept can be applied to all dc-to-ac, ac-to-dc, ac-to-ac, and dc-to-dc power conversion whether two-level or ...
Clare, Jon C. +3 more
core +1 more source
World Electric Vehicle Journal, 2021 The battery is the only power source of full electric vehicles, and the converter plays a key role in power and signal conversion; therefore, the stability and reliability of the converter determine the performance of the whole vehicle system.
Yonglei Cao +3 more
doaj +1 more source
Voltage balancing in three-level neutral-point-clamped converters via Luenberger observer [PDF]
, 2014 This paper addresses the problems associated with the dc-link capacitor voltages of the three-level neutral-point-clamped power converter: the imbalance of the capacitor voltages as well as the presence of an ac-voltage low-frequency oscillation in the ...
Gordillo Álvarez, Francisco +5 more
core +2 more sources
IEEE Access, 2021 This paper introduces an advanced space vector modulation technique for three-level neutral-point-clamped (3L-NPC) converters. The studied 3L-NPC converters within aircraft electric starter generator (ESG) systems normally operate at high modulation ...
Chen Li +5 more
doaj +1 more source
Design and comparison of 11 kV multilevel voltage source converters for local grid based renewable energy systems [PDF]
, 2011 Because the availability of renewable energy is highly variable and the power demand by the consumers could have a very different characteristic, it is very desirable to connect a renewable generation system to the grid.
Dorrell, D, Guo, Y, Islam, MR, Zhu, JG
core +1 more source
Pulse-Width-Modulation For A Modified Hybrid 2/3-Level Converter
Eletrônica de Potência, 2016 This paper proposes a modification in both topology and operation algorithm for the existent 2/3 level converter. The modified strategy is of simple implementation.
João H. G. Muniz +3 more
doaj +1 more source