Results 21 to 30 of about 130,411 (236)
HVDC Transmission Systems based Multi-level Voltage Source Converters for Iraqi Super Grid [PDF]
Engineering and Technology Journal, 2014 High Voltage Direct Current Transmission (HVDC) with Voltage Source Converter (VSC) technology provides substantial technical and economical advantages for different applications compared to conventional HVDC transmission systems based on thyristor ...
Adil Hameed Ahmed +1 more
doaj +1 more source
Efficiency and Power Loss Distribution in a High-Frequency, Seven-Level Diode-Clamped Inverter
Energies, 2023 The paper presents efficiency and power loss analysis in a high-frequency, seven-level diode-clamped inverter (7LDCB). The inverter is composed of four-level (4L) diode-clamped branches based on MOSFET transistors and Si Schottky diodes.
Robert Stala +4 more
doaj +1 more source
Engineering Proceedings, 2023 A Multilevel Inverter (MLI) meets the power requirements of most power electronic applications. It can provide an AC supply with better power quality. The higher number of levels in an MLI results in better power quality output.
Muhammad Hammad Uddin +4 more
doaj +1 more source
A Single-Voltage-Source Class-D Boost Multi-Level Inverter with Self-Balanced Capacitors
Energies, 2022 A symmetric single-source 7-level DC-AC converter with voltage gain of 3 and self-voltage balance is presented by combining the Class-D amplifier and the diode-clamped DC-AC converter. There is only one switch is switched for any time in this circuit. As
Jenn-Jong Shieh +2 more
doaj +1 more source
Monolithically Integrated Tunable Three- Section All-Active DBR Laser Diodes With 30 nm Tuning Range
IEEE Photonics Journal, 2023 We present a monolithically integrated three-section all-active AlGaInAs/InP tunable distributed Bragg reflector (DBR) ridge waveguide laser diode that uses thermal tuning mechanism and mode-hopping tuning principle to achieve wide-range ...
Shaokang Chen +4 more
doaj +1 more source
PWM Regulation of Grid-Tied PV System on the Base of Photovoltaic-Fed Diode-Clamped Inverters [PDF]
Problems of the Regional Energetics, 2015 Investigation of grid-tied photovoltaic system on the base of two diode-clamped inverters, controlled by specific algorithms of pulse-width modulation (PWM), has been done. This system includes two strings of photovoltaic panels feeding two diode-clamped
Oleschuk V.I., Ermuratskii V.V.
doaj
Harmonic Orientation of Pulse Width Modulation Technique in Multilevel Inverters
Advances in Electrical and Electronic Engineering, 2011 The Multilevel Inverter topology gives the advantages of usage in high power and high voltage application with reduced harmonic distortion without a transformer.
Urmila Bandaru, Subba D Rayudu
doaj +1 more source
Research on Simplified SVPWM for Multilevel MMC-SVG
Zhejiang dianli, 2022 SVPWM （space vector pulse width modulation） is difficult to be applied to MMC （modular multilevel converter） control， the paper proposes an SVPWM applicable to arbitrary MMC.
TAN Fenglei, ZHU Chao, DENG Kai
doaj +1 more source
, 2012 The dc capacitors voltage unbalancing is the main technical drawback of a diode-clamped multilevel inverter (DCMLI), with more than three levels. A voltage-balancing circuit based on buck–boost chopper connected to the dc link of DCMLI is a reliable and ...
Ghosh, A. +5 more
core +1 more source
, 2010 The output voltage quality of some of the single-phase multilevel inverters can be improved when their dc-link voltages are regulated asymmetrically. Symmetrical and asymmetrical multilevel diode-clamped inverters have the problem of dc-link capacitor ...
Abbasalizadeh Boora, Arash +6 more
core +2 more sources