Hybrid active damping of LCL-filtered grid connected converter

被引：0
|
作者：
Ghanem, Abdelhady [1 ,2 ]
Rashed, Mohamed [1 ,2 ]
Sumner, Mark [1 ]
Elsayes, Mohamed Adel [2 ]
Mansy, I. I. I. [2 ]
机构：
[1] Univ Nottingham, Dept Elect & Elect Engn, Nottingham, England
[2] Mansoura Univ, Dept Elect Engn, Mansoura, Egypt
来源：
2016 IEEE 2ND ANNUAL SOUTHERN POWER ELECTRONICS CONFERENCE (SPEC) | 2016年
基金：
英国工程与自然科学研究理事会;
关键词：
Hybrid active damping; grid current control; variable resonant damping; weak grid; INVERTER;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A method for hybrid active damping in power converters connected to a weak grid using an LCL filter is proposed. It uses feedback of the grid current and capacitor voltage and is derived as an equivalent to the capacitor current feedback active damping method. A co-design procedure for the grid current controller with the proposed hybrid active damping method is presented. The robustness, system bandwidth and harmonic rejection are studied. The proposed method is applied to a single grid connected converter with variable grid inductance to investigate its ability to damp different system resonance frequencies and its effectiveness is verified via frequency domain analysis and time domain simulation.
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页数：6
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