Design Procedure for a Digital Proportional-Resonant Current Controller in a Grid Connected Inverter

被引：0
作者：
Curi Busarello, Tiago Davi [1 ]
Pomilio, Jose Antenor [2 ]
Simoes, Marcelo Godoy [3 ]
机构：
[1] Univ Fed Santa Catarina, Dept Engn, Blumenau, Brazil
[2] Univ Estadual Campinas, Sch Elect & Comp Engn, Campinas, SP, Brazil
[3] Colorado Sch Mines, Dept Elect Engn & Comp Sci, Golden, CO 80401 USA
来源：
2018 IEEE 4TH SOUTHERN POWER ELECTRONICS CONFERENCE (SPEC) | 2018年
基金：
巴西圣保罗研究基金会;
关键词：
current control; DC-AC power converters; inverters; notch filters; proportional-resonant controller; PV;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper presents a design procedure for a digital Proportional-Resonant (PR) current controller in a Grid Connected Inverter (GCI). The procedure describes a systematic list of how to compute the proportional and resonant gains as well as the coefficients for the digital resonant path. The main contribution of the design procedure is to facilitate and to support researchers who are designing GCI with current control strategies in a digital environment. The paper also presents a frequency domain analysis of a designed digital PR controller. The fictitious w-domain is used in such analysis. A case study shows the efficacy of GCI with a digital PR current controller designed based on the proposed procedure. Later, the paper discusses that the proposed procedure is valid also for digital PR controller with multiple resonant paths.
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页数：8
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