Voltage-Sensorless Finite-Control-Set Model Predictive Control for LCL-Filtered Grid-Connected Inverters

被引：2

作者：

Hu, Cungang ^{[1
]}

Yin, Zheng ^{[2
]}

Rui, Tao ^{[3
]}

Chen, Wu ^{[4
]}

Cao, Wenping ^{[2
]}

Tang, Xi ^{[2
]}

机构：

[1] Minist Educ, Engn Res Ctr Power Qual, Hefei, Peoples R China

[2] Anhui Univ, Sch Elect Engn & Automat, Hefei, Peoples R China

[3] Anhui Univ, Anhui Key Lab Ind Energy Saving & Safety, Hefei, Peoples R China

[4] Southeast Univ, Sch Elect Engn, Nanjing, Peoples R China

来源：

6TH IEEE INTERNATIONAL CONFERENCE ON PREDICTIVE CONTROL OF ELECTRICAL DRIVES AND POWER ELECTRONICS (PRECEDE 2021) | 2021年

基金：

中国国家自然科学基金;

关键词：

LCL-filtered; grid-connected inverter; voltage-sensorless; sliding-mode; state observer;

D O I：

10.1109/PRECEDE51386.2021.9681008

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：

The conventional finite-control-set model predictive control (FCS-MPC) scheme for LCL-filtered grid-connected inverters requires to measure the arm currents, grid currents, capacitor voltages and grid voltages. In order to reduce the number of voltage sensors, a novel voltage-sensorless FCS-MPC strategy is proposed in this paper, which contains three compositions: state observer, improved sliding-mode observer, and delay compensation. The feasibility of the presented control scheme under grid voltage variations is verified by the comparative simulation and experimental results with conventional FCS-MPC.

引用

页码：421 / 425

页数：5

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