Results 21 to 30 of about 472,625 (280)
Open-circuit fault diagnosis method for switching tube of mine NPC three-level inverter
Gong-kuang zidonghua, 2022 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 +1 more source
IET Power Electronics, EarlyView., 2023 The proposed TB‐SCMLI is able to provide seven levels of output voltage by balancing the voltage of two capacitors with the given control logic. The various SCMLIs are evaluated to determine the contribution of the suggested TB‐SCMLI topology's merits and downsides.
Md. Reyaz Hussan +4 more
wiley +1 more source
IEEE Access, 2019 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
IEEE Access, 2020 The phase-locked loop of grid-connected inverters affects their output impedance characteristics and stability. Based on the NPC, three-level LCL grid-connected inverter, this article first analyzes the frequency characteristics of the improved moving ...
Wei Luo, Dafang Wei, Jianguo Jiang
doaj +1 more source
Power Electronics and Drives, 2021 This paper proposes an improved space vector pulse width modulation (SVPWM) based DC link voltage balancing control of a three-phase three-level neutral point clamped (NPC) centralised inverter supplying the generated power from photo voltaic (PV) array ...
Bhowmick Supratik +3 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
IEEE Journal of Emerging and Selected Topics in Power Electronics, 2021 This article proposes a simple zero-sequence voltagei injection method for the carrier-based pulsewidth modulation (CBPWM) of the three-level neutral-point-clamped (NPC) inverter.
Fa Chen, W. Qiao, Hongmei Wang, Liyan Qu
semanticscholar +1 more source
IET Power Electronics, EarlyView., 2023 An innovative switched‐capacitor‐based inverter is proposed in this article. The suggested converter can produce a five‐level output voltage by utilizing minimal components (single dc source, six switches, and one capacitor). The effectiveness of the suggested inverter is verified by experimental results using hardware in loop OPAL‐RT OP4510.
Tamiru Debela +2 more
wiley +1 more source
A Hysteresis Space Vector PWM for PV Tied Z-Source NPC-MLI With DC-Link Neutral Point Balancing
IEEE Access, 2021 The Photo-voltaic (PV) tied Z-source Neutral-point clamped multilevel inverter (Z-NPC-MLI) is used in solar grid connected applications due to its single stage conversion and better performance.
Suresh Kumar Annam +2 more
doaj +1 more source
IET Power Electronics, EarlyView., 2023 This paper proposes a new Double T‐type H‐bridge (DTH) module configuration that can produce 9, 13, 17, 19, 21, and 25 levels using reduced components. Abstract Renewable energy sources are subject to input source uncertainties, which can negatively impact output voltage THD.
Omid Zolfagharian +2 more
wiley +1 more source