Results 21 to 30 of about 849,814 (251)
High gain transformer-less inverter based-on capacitor clamping multi-phase boost converter [PDF]
The boosting converters integrated with inverters are widespread use in many applications under transformerless inverter titles, including powered vehicles, PV systems, fuel cells systems and so on. Reliability, quality, maintainability, and reduction in
Oday saad, Jasim Hussain
doaj +1 more source
A VSC transmission system using flying capacitor multilevel converters and selective harmonic elimination pWM control [PDF]
A transmission system based on voltage-source three-level flying capacitor (FC) multilevel converters with selective harmonic elimination pulse-width modulation (SHE-PWM) control is presented in this paper.
Lie Xu +3 more
core +1 more source
Direct control strategy for a four-level three-phase flying-capacitor inverter [PDF]
A direct predictive control strategy is proposed for a three-phase four-level flying-capacitor (FC) inverter in this paper. The balancing of the FC voltages, a challenge in applications with small capacitors and low switching frequencies, is done without
Llor, Ana-Maria +5 more
core +1 more source
Modular multilevel converters (MMCs) can be a reliable solution since they have modular structure and high quality output waveform for permanent magnet synchronous generator (PMSG) based wind energy conversion system (WECS). Capacitor voltage balancing
VURAL, A. M., KURTOGLU, M., EROGLU, F.
doaj +1 more source
Loss comparison of 2 and 3-level inverter topologies
This paper investigates semiconductor and DC-link capacitor losses in two two-level and two three-level voltage source inverters. The components of the four inverters are selected to have appropriate voltage and current ratings.
Orfanoudakis, G. +3 more
core +2 more sources
Capacitor voltage ripple suppression mechanism and control strategy for hexverter
At low-frequency operating conditions, the submodule capacitor voltage ripple in Hexverter increases significantly, leading to higher capacitance requirements and resulting in increased converter volume and cost. To alleviate the design constraints on DC
Jun SHU +6 more
doaj +1 more source
Evaluation of DC-link voltage ripple in five-phase PWM voltage source inverters
This paper presents the analysis of the DC-link voltage switching ripple in five-phase PWM voltage source inverters with balanced load. The analysis is particularly important for the design and selection of a DC-link capacitor making it possible to meet ...
M. Vujacic +4 more
doaj +1 more source
An optimal loss-reduction control strategy for MMC considering capacitor voltage ripple suppression
Existing capacitor voltage ripple suppression methods primarily rely on second-harmonic circulating current injection (SHCCI). However, these methods often increase valve losses in modular multilevel converters (MMCs) , degrading operational efficiency ...
FANG Dongping +5 more
doaj +1 more source
This paper proposes grid voltage sensorless model predictive control for a single-phase T-type rectifier with an active power decoupling circuit. The proposed sensorless technique is based on a model reference adaptive system (MRAS) and tested under ...
Sertac Bayhan
doaj +1 more source
A hybrid multilevel converter for medium and high voltage applications [PDF]
This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Ahmed, Khaled +4 more
core +2 more sources

