Research on topology of a novel three-phase four-leg fault-tolerant NPC inverter

• Autorzy: Zhang Baoge , Ping Shanyan , Long Yyi , Jiao Yyuemin , Wu Bboxiang

Identyfikatory

DOI

10.24425/aee.2022.140724

• Języki publikacji: EN

Abstrakty

EN

Diode neutral point clamped (NPC) three-level converters have been widely used in recent years. Aiming at the problems of the high device failure rate and unstable neutral point potential of NPC three-level converters, an NPC three-level circuit with fourth bridge arm redundancy is proposed based on the traditional NPC three-level converter. The redundant fourth bridge arm is used to realize the function of stabilizing voltage when there is no fault and replacing the fault half-bridge arm to maintain the continuous operation of the converter when there is a fault. By analyzing the working principle of space vector pulse width modulation (SVPWM) and the power loss of the switch, it is of particular significance to the design and control of NPC three-level converters in the future. Matlab/Simulink verifies the feasibility of the fault-tolerant circuit structure.

Słowa kluczowe

EN

fault tolerant operation; midpoint potential equilibrium; NPC inverter; topology reconstruction

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2022
• Tom: Vol. 71, nr 2
• Strony: 489--506
• Opis fizyczny: Bibliogr. 20 poz., rys., tab., wz.

Twórcy

autor

Zhang Baoge

• School of Automation and Electrical Engineering, Lanzhou Jiaotong University China

• https://orcid.org/0000-0001-6680-3963

autor

Ping Shanyan

• School of Automation and Electrical Engineering, Lanzhou Jiaotong University China

autor

Long Yyi

• School of Automation and Electrical Engineering, Lanzhou Jiaotong University China

autor

Jiao Yyuemin

• School of Automation and Electrical Engineering, Lanzhou Jiaotong University China

autor

Wu Bboxiang

• School of Automation and Electrical Engineering, Lanzhou Jiaotong University China

Bibliografia

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• [18] Lamb J., Mirafzal B., Open-circuit IGBT fault detection and location isolation for cascaded multilevel converters, IEEE Transactions on Industrial Electronics, vol. 64, no. 6, pp. 4846–4856 (2017), DOI: 10.1109/TIE.2017.2674629.
• [19] Wu F., Zhao J., Current similarity analysis-based open-circuit fault diagnosis for two-level threephase PWM rectifier, IEEE Transactions on Power Electronics, vol. 32, no. 5, pp. 3935–3945 (2016), DOI: 10.1109/TPEL.2016.2587339.
• [20] Wang S., Research on Fault Diagnosis and Fault Tolerant Control of NPC Three-Level Converter, MD Thesis, Southeast University, Nanjing (2018)

Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).