Harmonic Suppression and Stability Enhancement of a Voltage Sensorless Current Controller for a Grid-Connected Inverter Under Weak Grid
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3166592
Abstract: This paper presents the harmonic suppression and stability enhancement of a grid voltage sensorless current controller for a grid-connected inverter under weak grid conditions. Given that inductive-capacitive-inductive (LCL) filters represented as higher-order dynamics cause resonance… read more here.
Keywords: connected inverter; voltage; stability; weak grid ... See more keywords
Compensation of Second Harmonic Current Based on Bus Voltage Ripple Limitation in Single-Phase Photovoltaic Grid-Connected Inverter
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3201349
Abstract: In the two-stage single-phase photovoltaic (PV) grid-connected inverter, the flying-capacitor-clamped boost three-level converter is adopted to achieve maximum power point tracking of the PV panel. To restrain the second harmonic current (SHC) in the PV… read more here.
Keywords: connected inverter; ripple limitation; voltage; voltage ripple ... See more keywords
Sequence-Admittance Measurement Method of Grid-Connected Inverter With Its Control System Disturbance
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3231305
Abstract: The impedance or admittance characteristics of the grid-connected inverter play an important role in its stability analysis. The traditional sequence-admittance measurement methods of the grid-connected inverter mostly rely on special admittance measurement equipment or adjacent… read more here.
Keywords: sequence admittance; connected inverter; admittance measurement; grid connected ... See more keywords
Second Harmonic Current Reduction for Flying Capacitor Clamped Boost Three-Level Converter in Photovoltaic Grid-Connected Inverter
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2020.3007806
Abstract: In a two-stage single-phase photovoltaic (PV) grid-connected inverter, the second harmonic current (SHC) in the PV panel will affect the maximum power point tracking operation and degrade the energy harvesting efficiency. In order to solve… read more here.
Keywords: capacitor; flying capacitor; converter; connected inverter ... See more keywords
Capacitor Voltage Full Feedback Scheme for LCL-Type Grid-Connected Inverter to Suppress Current Distortion Due to Grid Voltage Harmonics
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2020.3014338
Abstract: For the LCL-type grid-connected inverter, grid voltage full feedforward scheme is an effective method to improve the quality of the injected grid current. However, in the applications where a step-up transformer is adopted and its… read more here.
Keywords: grid voltage; voltage; connected inverter; feedback ... See more keywords
A Dynamic Bayesian Network Control Strategy for Modeling Grid-Connected Inverter Stability
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Reliability"
DOI: 10.1109/tr.2021.3063492
Abstract: The dynamic performance of a grid-connected inverter in a distributed generation system brings new challenges by affecting the power quality and dynamic stability. The traditional linear control method for the inverter requires complex processes including… read more here.
Keywords: system; connected inverter; dynamic bayesian; control ... See more keywords
LCL Filter Design with EMI Noise Consideration for Grid-Connected Inverter
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DOI: 10.3390/en11071646
Abstract: The grid-injected current total harmonics distortion (THD) and electromagnetic interference (EMI) noise must be considered in a transformer-less grid-connected inverter for a more electric aircraft (MEA) system. This paper develops a procedure for the design… read more here.
Keywords: lcl filter; connected inverter; grid connected; emi noise ... See more keywords