Results 11 to 20 of about 133,244 (304)
A modified neutral-point balancing space vector modulation technique for three-level neutral point clamped converters in high speed drives [PDF]
, 2018 This paper describes a high performance neutral point voltage balancing technique for a Neutral point clamped (NPC) Converter. Conventional neutral point voltage balancing methods do not function well under low power factor, low pulse ratio and near ...
Bozhko, Serhiy +6 more
core +2 more sources
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
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
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
doaj +1 more source
Efficiency Improvement of Fault-Tolerant Three-Level Power Converters [PDF]
, 2018 Fault-tolerant power converters play a critical role in the transportation electrification. However, fault-tolerant operation, high efficiency, and low cost usually result in design criteria that have conflicting constraints and goals.
He, Jiangbiao +3 more
core +2 more sources
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
An On-line Diagnostic Method for Open-circuit Switch Faults in NPC Multilevel Converters [PDF]
, 2016 On-line condition monitoring is of paramount importance for multilevel converters used in safety-critical applications. A novel on-line diagnostic method for detecting open-circuit switch faults in neutral-point-clamped (NPC) multilevel converters is ...
Demerdash, Nabeel, He, Jiangbiao
core +2 more sources
Applied Sciences, 2020 A predictive control method using injected offset voltage to achieve neutral point (NP) voltage balance of three-phase three-level neutral point clamped (NP) rectifiers, without employing a weighting factor, is proposed in this study.
Eun-Su Jun +2 more
doaj +1 more source