Journal Article10.1109/TPEL.2017.2705288
Analytical Design of Passive LCL Filter for Three-Phase Two-Level Power Factor Correction Rectifiers
Alireza Kouchaki,Morten Nymand +1 more
103
TL;DR: The converter current ripple is thoroughly analyzed to generalize the current ripple behavior and find the maximum current ripple for sinusoidal pulse width modulation (PWM) and third-harmonic injection PWM.
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Abstract: This paper proposes a comprehensive analytical LCL filter design method for three-phase two-level power factor correction rectifiers (PFCs) The high-frequency converter current ripple generates the high-frequency current harmonics that need to be attenuated with respect to the grid standards Studying the high-frequency current of each element proposes a noniterative solution for designing an LCL filter In this paper, the converter current ripple is thoroughly analyzed to generalize the current ripple behavior and find the maximum current ripple for sinusoidal pulse width modulation (PWM) and third-harmonic injection PWM Consequently, the current ripple is used to accurately determine the required filter capacitance based on the maximum charge of the filter capacitor To choose the grid-side inductance, two methods are investigated First method uses the structure of the damping to express the grid-side filter inductance as a function of the converter current ripple Reducing the power loss in the filter and optimizing the grid-side filter inductance is the main focus of the second method which is achieved by employing line impedance stabilization network (LISN) Accordingly, two LCL filters are designed for a 5 kW silicon-carbide-based three-phase PFC Various experimental scenarios are performed to verify the filters attenuation and performance
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Citations
Modeling and Stability Analysis of $LCL$ -Type Grid-Connected Inverters: A Comprehensive Overview
Yang Han,Yang Mengling,Hong Li,Ping Yang,Lin Xu,Ernane Antônio Alves Coelho,Josep M. Guerrero +6 more
TL;DR: A comprehensive review on the modeling and stability analysis of the LCL -type grid-connected inverters is conducted, with the emphasis on different modeling methods of inverter output impedance and online impedance measurement techniques.
Review and Comparison of Grid-Tied Inverter Controllers in Microgrids
TL;DR: Six control strategies proposed for the implementation of current-controlled or voltage-controlled inverters in microgrids are implemented and experimentally compared on a single-phase, grid-connected inverter setup.
131
Simultaneous Common-Mode Resonance Circulating Current and Leakage Current Suppression for Transformerless Three-Level T-Type PV Inverter System
TL;DR: An improved CM circulating current model with detailed analyses of CMRCC is proposed, and the performance of inverter-side currents and leakage current suppression is greatly improved.
84
Modeling, Parameter Measurement, and Control of PMSG-based Grid-connected Wind Energy Conversion System
Mohammad Kamruzzaman Khan Prince,Mohammad Taufiqul Arif,Ameen Gargoom,Aman M.T. Oo,Enamul Haque +4 more
TL;DR: A dynamic model and the parameter measurement and control of a direct-drive variable-speed WECS with a permanent magnet synchronous generator (PMSG) are presented and an experimental method is developed for measuring the key parameters of the PMSG.
The Dual-Current Control Strategy of Grid-Connected Inverter With LCL Filter
TL;DR: A dual-current active damping control strategy based on the inverter-side current and grid-connected current feedback for GCI-LCL and a simplified model in a low-frequency band is proposed to enhance the anti-interference capability in the weak grid and simplify the parameters design process.
73
References
Stability improvements of an LCL-filter based three-phase active rectifier
Marco Liserre,Antonio Dell'Aquila,Frede Blaabjerg +2 more
- 07 Nov 2002
TL;DR: In this article, the damping performance of three-phase active rectifiers is investigated using the z-plane root locus approach and looking to dynamic performances and losses, and the analysis is validated both with simulation and experiments.