Fault-Tolerant Control Strategy of Dual Three-Level Inverter based on Vector Clamped PWM

被引：0

作者：

Zheng, Jinggang ^{[1
]}

Xia, Shuai ^{[1
]}

Han, Peng ^{[1
]}

Chen, Xiang ^{[1
]}

Chen, Fangnuo ^{[1
]}

Geng, Yiwen ^{[1
]}

机构：

[1] China Univ Min & Technol, Sch Elect & Power Engn, Xuzhou, Jiangsu, Peoples R China

来源：

PROCEEDINGS OF THE 2021 IEEE 16TH CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (ICIEA 2021) | 2021年

关键词：

fault tolerance; vector clamped PWM; loss reduction; neutral point voltage balance; MAGNET SYNCHRONOUS MOTOR;

D O I：

10.1109/ICIEA51954.2021.9516422

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Aiming at solving the switch open-circuit fault of the dual three-level inverter for open-end winding induction motor (OEW-IM), a fault-tolerant control strategy based on vector clamped PWM (VCPWM) is proposed. When the fault is detected, the topology is reconstructed and the phase where the faulty snitch is located is clamped to the 'o' level. Meanwhile, combined with VCPWM, one inverter is in the clamped state, while the other inverter performs vector synthesis, so that system switching losses can he reduced. In addition, the method proposed in this paper can achieve the neutral point voltage (NPV) balance in the fault-tolerant process. Simulation results show that the proposed fault-tolerant control strategy can realize the tolerance of the switch open-circuit fault of the dual three-level inverter for OEW-IM.

引用

页码：701 / 706

页数：6

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