Results 51 to 60 of about 5,969,025 (144)
Voltage Balancing Control of Hybrid Stacked Multicell Converters Based on Modified Phase-Shifted PWM
IEEE Access, 2019 The hybrid stacked multicell converter (HSMC) is a competitive converter in the low-voltage high-efficiency applications. Proper modulation and voltage balancing control are important for the operation of the HSMC, which may ensure the HSMC to obtain ...
Jianzhong Zhang +3 more
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A MODIFIED VIRTUAL SPACE VECTOR MODULATION TECHNIQUE FOR Z-SOURCE NPC INVERTERS [PDF]
Carpathian Journal of Electrical Engineering, 2018 A modified virtual space vector modulation approach for the control of a Z-source neutral point clamped inverter is presented in this paper. This approach works perfectly for the traditional neutral point clamped inverter.
Francis EFFAH +4 more
doaj
A hybrid high‐efficiency nine‐level inverter with high DC voltage utilization ratio
IET Renewable Power GenerationThis paper proposes a new hybrid nine‐level inverter topology with high efficiency and high dc voltage utilization ratio, which provides a potential for renewable energy power conversion.
Qicai Ren, Alian Chen, Xi Liu, Tong Liu
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New topology for voltage balancing in railway substations
, 2012 This paper deals with a new technique of voltage unbalance compensation for single phase railway substations. Using the concept of Chopper Controlled Impedance, the authors study the feasibility of an active Steinmetz circuit based on AC choppers.
New topology for voltage balancing in railway substations Raimondo G +3 more
core
Research of three-level active power filter based on fuzzy control
Gong-kuang zidonghua, 2013 The paper proposed a control scheme of three-level active power filter based on ip-iq harmonic current detection, fuzzy PI current control and space vector pulse width modulation. It established a mathematical model of the three-level active power filter,
LIU Jian-hua +4 more
doaj
Balancing selection and its effects on sequences in nearby genome regions. [PDF]
, 2006 Our understanding of balancing selection is currently becoming greatly clarified by new sequence data being gathered from genes in which polymorphisms are known to be maintained by selection.
Deborah Charlesworth +2 more
core +2 more sources
Multi-Objective Model Predictive Control to Enhance Performance for Single-Phase 5L-ANPC Converters
IEEE AccessSingle-phase five-level active neutral-point-clamped (1P-5L-ANPC) inverters have been widely applied in various applications. However, existing methods cannot simultaneously reduce switching losses, suppress capacitor voltage fluctuations, and ...
Xiaomin Han +4 more
doaj +1 more source
Energies, 2019 In response to the unbalanced DC-port fault of three-level neutral point clamped cascaded converter (3LNPC-CC), a sequence pulse modulation (SPM) voltage-balancing strategy is proposed in this paper to balance DC-link voltage, not only within the module ...
Le Yu, Xu Peng, Shibin Gao
doaj +1 more source
, 2012 This paper presents a dc-link voltage ripple compensation method for flying-capacitor (FC)-based active neutral- point-clamped multilevel converters operating under selective harmonic elimination pulsewidth modulation.
Sridhar Pulikanti (20124879) +2 more
core +1 more source
DC-Link capacitor voltage balancing in Neutral Point Clamped inverters using Space Vector Modulation
, 2016 Neutral point balancing is an inherent problem of Neutral Point Clamped (NPC) inverter. In this paper, various techniques to balance neutral point voltage is presented. Most of these techniques uses the redundancy of Space Vector Modulation (SVM) for NPC
Ragavan, K., Chand, Mohit
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