A Digital-Twin-Based Health Status Monitoring Method for Single-Phase PWM Rectifiers

被引：15

作者：

Zhang, Sihui ^{[1
]}

Song, Wensheng ^{[1
]}

Cao, Hu ^{[1
]}

Tang, Tao ^{[1
]}

Zou, Yuchao ^{[1
]}

机构：

[1] Southwest Jiaotong Univ, Sch Elect Engn, Chengdu 611756, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2023年 / 38卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Rectifiers; Monitoring; Insulated gate bipolar transistors; Pulse width modulation; Digital twins; Integrated circuit modeling; Temperature measurement; Digital twin; health monitoring; insulated-gate bipolar transistor (IGBT); particle swarm optimization (PSO); single-phase pulsewidth modulation (PWM) rectifier; PARAMETERS IDENTIFICATION; CONTROL STRATEGY; CAPACITORS; CONVERTERS;

D O I：

10.1109/TPEL.2023.3307415

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 digital simulation and health monitoring method for single-phase two-level pulsewidth modulation (PWM) rectifiers based on digital twin technology is proposed in this article. First, the closed-loop control and the main circuit are discretized to develop the digital model of the PWM rectifier. Then, the external characteristics of the digital model are compared with the data sampled from the actual physical circuit, and the particle swarm optimization algorithm is used to iteratively optimize the key parameters. Ultimately, the offline digital twin model is developed, which can realize the health status monitoring of insulated-gate-bipolar-transistor power devices, the ac-side inductor, and the dc-link capacitor in the rectifier. Finally, an experimental prototype is built to test the proposed digital twin model and health monitoring method under different load conditions. A comprehensive statistical comparison of the digital twin model and experiment results has verified that the proposed method can achieve health monitoring within the acceptable range, even if under different initial values of parameters. Thus, this article provides a feasible and noninvasive solution for the digital simulation modeling and health monitoring of single-phase PWM rectifiers, without additional sensors and hardware circuits.

引用

页码：14075 / 14087

页数：13

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