Results 11 to 20 of about 7,027,692 (242)
A Novel Neutral Point Voltage Control Strategy for Three-Level NPC APF Based on SVPWM
MATEC Web of Conferences, 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 ...
Yao Xiaolong +3 more
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A new neutral-point voltage balance modulation strategy for three-level converters
机车电传动Three-level converters have been widely used in high-power rail transit applications due to their advantages. However, they also have an inherent problem of neutral-point voltage imbalance. To address this issue in neutral point clamped (NPC) converters,
ZHANG Hu +3 more
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Applied Sciences, 2021 The balance control of neutral-point voltage (NPV) is important in the three-level converter. In this paper, this problem is studied by taking the VIENNA circuit as an example.
Hongyan Zhao, Yan Li, Fei Lin, Yian Yan
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Comparison between two VSC-HVDC transmission systems technologies : modular and neutral point clamped multilevel converter [PDF]
, 2009 The paper presents a detail comparison between two voltage source converter high voltage dc transmission systems, the first is based on neutral point-clamped (also known as HVDC-Light) and the second is based on innovative modular multilevel converter ...
Anaya-Lara, O. +5 more
core +3 more sources
A strategy of neutral-point potential balance control and common-mode voltage suppressio
Gong-kuang zidonghua, 2014 For problems that there are common-mode voltage, over voltage and neutral-point potential imbalance simultaneously in power supply of inverter to motor through long cable, generation mechanisms of common-mode voltage and over voltage were analyzed as ...
WANG Kezhi +5 more
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Seven Level T-Type Switched Capacitor Inverter Topology for PV Applications
IEEE Access, 2021 The conventional neutral point clamped (NPC) multilevel inverter topology needs voltage balancing circuits to balance the dc-link capacitor, the number of component count is high and output voltage is half of the input voltage which increase the size of ...
Saeed Alyami +4 more
doaj +1 more source
Frontiers in Energy Research, 2022 Flywheel energy storage system is a popular energy storage technology, in which inverters are the center of electrical energy conversion, directly affecting the power capacity.
Zhongrui Li +4 more
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Energies, 2015 In the research field of multilevel converters, three-level NPC (neutral-point-clamped) converters, which unfortunately may cause the deviation of the neutral-point voltage of DC-link capacitors, are widely discussed.
Shi Weng Gui +2 more
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Fixed frequency Finite Control Set Model Predictive Control For Three-level APF [PDF]
E3S Web of Conferences, 2021 Active power filter can compensate harmonic and reactive power, Three level neutral point clamp (ANPC) has the characteristics of low output harmonic and low device loss.
Sha MaiChao, Zhu RuiJin, Gong XueJiao
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Comparison between flying capacitor and modular multilevel inverter [PDF]
, 2009 The paper describes the operational principle of flying capacitor and modular multilevel inverters. The detailed discussions of dc link capacitors voltage balancing methods for both inverters are given in order to enable fair comparison. The causes of dc
Anaya-Lara, O. +5 more
core +3 more sources