Results 11 to 20 of about 2,128 (219)
Open-circuit fault diagnosis method for switching tube of mine NPC three-level inverter
The inverter of the motor drive system in the mine hoist and belt conveyor mostly adopts neutral point clamped (NPC) three-level inverter. This inverter has a large number of switching tubes and high running frequency.
LIANG Hong
doaj +2 more sources
Shoot-Through Control-Based Space Vector Modulation Approach for a Modified Z-Source NPC Power Inverter [PDF]
Z-source Neutral Point Clamped (NPC) inverter is a converter topology that combines the benefits of both the impedance network by storing temporary energy released to the load for voltage boosting and NPC inverter by guaranteeing lower Total Harmonic ...
Samir Noui +5 more
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A New N-Level Inverter Based on Z-NPC
First of all, in this paper, the topology and operation of the three-phase three-level Z-source inverter based on neutral-point-clamped (Z-NPC) are studied.
E. Babaei, T. Ahmadzadeh
doaj +1 more source
A fault-tolerance topology of three-level four-leg NPC inverter
In view of problem that it is difficult to accurately locate device failure of inverter, a fault tolerance topology of three-level four-leg NPC inverter was proposed.
QIU Shiguang, LI Siguang
doaj +2 more sources
This research describes open circuit detection and fault location for active 3-level NPC (neutral point clamped) inverter switches during normal and connected to the neutral point.
Selvakumar P, Muthukumaran G
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Techno-Economic Assessment of a Hydrogen-Assisted Hybrid Renewable Microgrid with Fuel Cells for Off-Grid Electrification. [PDF]
This study presents a hydrogen‐assisted hybrid renewable microgrid optimized using HOMER Pro for off‐grid electrification in coastal Bangladesh. Integrating solar PV, wind, BESS, electrolyzer, hydrogen storage, and fuel cells, the system achieves a low cost of energy ($0.139/kWh), high reliability, and near‐zero emissions, offering a sustainable and ...
Hasan T +5 more
europepmc +2 more sources
Improved virtual space vector modulation for neutral point voltage oscillation and common-mode voltage reduction in neutral point clamped three-level inverter [PDF]
The neutral point clamped (NPC) three-level inverter is widely used in highvoltage and high-power applications. However, neutral point voltage oscillation (NPVO) and common-mode voltage (CMV) problems exist in the NPC three-level inverter. In this paper,
Junlong Fang +4 more
doaj +1 more source
Because the three‐level neutral point clamped (NPC) inverter has the advantages of a large output capacity and high output voltage, it is widely used in wind energy and solar energy power generation.
Shuiqing Xu, Juxing Wang, Mingyao Ma
doaj +1 more source
Three-level NPC inverters have been widely used in grid-connected systems due to their superior performance compared with two-level inverters, but more switches lead to high fault probability.
Jingtao Huang +3 more
doaj +1 more source
This paper presents the power loss model analysis and efficiency of three-level neutral-point-clamped (3L-NPC) inverter that is widely employed in solar photovoltaic energy conversion system.
Mohammed Hassan Ahmed +3 more
doaj +1 more source

