Analytic formulation and optimization of weighted total harmonic distortion in single-phase staircase modulated multilevel inverters
Sign Up to like & getrecommendations! Published in 2020 at "Energy"
DOI: 10.1016/j.energy.2020.117470
Abstract: Weighted total harmonic distortion (WTHD) is an important performance merit, representing either current or voltage quality of voltage source inverters. Unlike general (non-weighted) THD, which can be evaluated using a closed-form analytic time-domain expression, WTHD… read more here.
Keywords: weighted total; total harmonic; wthd; harmonic distortion ... See more keywords
Tracing harmonic distortion and voltage unbalance in secondary radial distribution networks with photovoltaic uncertainties by an iterative multiphase harmonic load flow
Sign Up to like & getrecommendations! Published in 2020 at "Electric Power Systems Research"
DOI: 10.1016/j.epsr.2020.106342
Abstract: Abstract Secondary radial distribution networks (SRDNs) have been increasingly affected by the uncertainties of harmonic sources associated with photovoltaic (PV) systems. The quantitative assessment of uncertainty propagation causing harmonic distortion and voltage unbalance can be… read more here.
Keywords: voltage; secondary radial; harmonic distortion; radial distribution ... See more keywords
Reliability analysis through linearity and harmonic distortion of a dual-material-gate asymmetric underlapped DGMOSFET
Sign Up to like & getrecommendations! Published in 2019 at "Microelectronics Reliability"
DOI: 10.1016/j.microrel.2018.11.002
Abstract: Abstract In this paper, Harmonic Distortion (HD) of a Dual Material Gate Source Underlap Double Gate MOSFET (DMG-SU-DG) with different gate work function combination is examined. The HD occurs because of the non-linear response of… read more here.
Keywords: distortion dual; distortion; gate; harmonic distortion ... See more keywords
Modelling and control of a hybrid power filter to compensate harmonic distortion under unbalanced operation
Sign Up to like & getrecommendations! Published in 2017 at "Iet Power Electronics"
DOI: 10.1049/iet-pel.2016.0263
Abstract: This study presents a model-based controller for a hybrid power filter (HPF) to reduce the current harmonic distortion in a three-phase system for a general operation case considering unbalanced and distorted source voltages and load… read more here.
Keywords: power filter; control; power; harmonic distortion ... See more keywords
From Real to Complex FLL With Unbalance and Harmonic Distortion Compensation
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3131129
Abstract: This work presents a model-based frequency-locked loop (FLL) for three-phase systems subject to unbalance and harmonic distortion conditions. It is based on a pretty general model of a three-phase AC reference signal comprising a set… read more here.
Keywords: fll; unbalance harmonic; harmonic distortion; harmonic oscillators ... See more keywords
A Foreground Mismatch and Memory Harmonic Distortion Calibration Algorithm for TIADC
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2022.3229208
Abstract: This paper proposes a foreground digital calibration algorithm that estimates and corrects the offset, gain, and time-skew mismatches for time-interleaved analog-to-digital converters (TIADCs) furthermore our algorithm is designed to correct for harmonic distortion introduced by… read more here.
Keywords: time; calibration; harmonic distortion; mismatch ... See more keywords
A New Population-Based Optimization Method for Online Minimization of Voltage Harmonics in Islanded Microgrids
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2019.2927208
Abstract: This brief proposes a new scheme for the online minimization of harmonic distortion of an islanded microgrid based on a population-based optimization method. In this scheme, a new central controller is presented, which can optimize… read more here.
Keywords: optimization; voltage; method; harmonics ... See more keywords
Temperature Dependence of Analog Performance, Linearity, and Harmonic Distortion for a Ge-Source Tunnel FET
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Electron Devices"
DOI: 10.1109/ted.2020.2968633
Abstract: In this article, we report an investigation of the effects of variation in temperature in the range of 300–450 K on the analog performance and harmonic distortion (HD) characteristics of a Ge-source tunnel FET (TFET)… read more here.
Keywords: temperature; source tunnel; harmonic distortion; analog performance ... See more keywords
Sampling-Time Harmonic Control for Cascaded H-Bridge Converters With Thermal Control
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2019.2908593
Abstract: Cascaded H-bridge converter (CHB) is a multilevel topology that is a well-suited solution for multiple applications such as flexible ac transmission systems or motor drives. This paper is focused on a CHB where the cells… read more here.
Keywords: thermal control; pwm; control; cascaded bridge ... See more keywords
Discontinuous-PWM Method for Multilevel $N$-Cell Cascaded H-Bridge Converters
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2020.3016245
Abstract: The cascaded H-bridge converter (CHB) is a very suitable solution with inherent modularity for many applications such as flexible ac transmission systems and motor drives. In this article, the discontinuous pulsewidth modulation (DPWM) by clamping… read more here.
Keywords: cascaded bridge; harmonics; cell; harmonic distortion ... See more keywords
Current Stress Reduction and Voltage Total Harmonic Distortion Improvement of Flying-Capacitor Modular Multilevel Converters for AC Machine Drive Applications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3050394
Abstract: This article proposes a method to determine the average submodule (SM) capacitor voltage for reduced current stresses and better total harmonic distortion (THD) of the phase voltages in a flying-capacitor modular multilevel converter (FC-MMC) for… read more here.
Keywords: capacitor modular; total harmonic; flying capacitor; voltage ... See more keywords