Research on fault diagnosis for MMC-HVDCSystems

Zhiqing Yao; Qun Zhang; Peng Chen; Qian Zhao

doi:10.1186/s41601-016-0022-0

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Research on fault diagnosis for MMC-HVDCSystems

Contents | 更新时间：2026-06-25

- Research on fault diagnosis for MMC-HVDCSystems
- Protection and Control of Modern Power Systems Vol. 1, Issue 1, (2016)
- 作者机构：
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- DOI：10.1186/s41601-016-0022-0
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- Published：2016
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Zhiqing Yao, Qun Zhang, Peng Chen, et al. Research on fault diagnosis for MMC-HVDCSystems[J]. Protection and Control of Modern Power Systems, 2016, 1(1).
DOI：

Zhiqing Yao, Qun Zhang, Peng Chen, et al. Research on fault diagnosis for MMC-HVDCSystems[J]. Protection and Control of Modern Power Systems, 2016, 1(1). DOI： 10.1186/s41601-016-0022-0.

摘要

Introduction: With the development of flexible HVDC technology

the fault diagnosis of MMC-HVDC becomes a new research direction. Based on the fault diagnosis theory

this paper proposes a robust fault diagnosis method to study the fault diagnosis problem of MMC-HVDC systems. Methods: By optimizing the gain matrix in the fault observer

fault detection with good sensitivity and robustness to disturbance is achieved. In the MMC-HVDC system

because of the inherently uncertain system and the presence of various random disturbances

the study of robust fault diagnosis method is particularly important. Results: Simulation studies during various AC faults have been carried out based on a 61-level MMC-HVDC mathematical model. The results validate the feasibility and effectiveness of the proposed fault diagnosis method. Conclusions: So this fault diagnosis method can be further applied to the actual project

to quickly achieve system fault diagnosis and accurately complete fault identification.

Abstract

Introduction: With the development of flexible HVDC technology

the fault diagnosis of MMC-HVDC becomes a new research direction. Based on the fault diagnosis theory

this paper proposes a robust fault diagnosis method to study the fault diagnosis problem of MMC-HVDC systems. Methods: By optimizing the gain matrix in the fault observer

fault detection with good sensitivity and robustness to disturbance is achieved. In the MMC-HVDC system

because of the inherently uncertain system and the presence of various random disturbances

to quickly achieve system fault diagnosis and accurately complete fault identification.

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