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المؤلفBen-Brahim, Lazhar
المؤلفGastli, Adel
المؤلفTrabelsi, Mohamed
المؤلفGhazi, Khalid A.
المؤلفHouchati, Mahdi
المؤلفAbu-Rub, Haitham
تاريخ الإتاحة2021-09-01T10:03:31Z
تاريخ النشر2016
اسم المنشورIEEE Transactions on Industrial Electronics
المصدرScopus
معرّف المصادر الموحدhttp://dx.doi.org/10.1109/TIE.2016.2519320
معرّف المصادر الموحدhttp://hdl.handle.net/10576/22487
الملخصModular multilevel converter (MMC) is a promising new topology for high-voltage applications. The MMC is made of several identical submodules. For proper operation, each submodule can be considered as a controlled voltage source where capacitor's voltage should be maintained at a certain level. Besides, the minimization of the circulating current, which does not flow to the load, is crucial for achieving stable and efficient operation of the MMC. The interrelations among the load current, circulating current, and capacitor voltages complicate the MMC control. This paper aims to achieve stable and balanced voltage and current control with reduced circulating current in various operating conditions. The proposed control uses weighted model predictive control based on a normalized cost function to select the inverter switching patterns, which control the load current, while minimizing voltage fluctuation and circulating current. The weighting factors were selected based on minimizing the load-current total harmonic distortion (THD) and circulating current. The analysis is conducted on a low-power case study of single-phase four-cells MMC with possible extension to higher number of cells. The low-power three-level prototype is designed and built to validate this proposed method. Theoretical analysis, simulation, and experimental results are presented and compared. Parameter sensitivity analysis was also conducted. They all confirm the effectiveness of the proposed control method. 2016 IEEE.
اللغةen
الناشرInstitute of Electrical and Electronics Engineers Inc.
الموضوعCapacitors
Cost functions
Model predictive control
Predictive control systems
Sensitivity analysis
Circulating current
Circulating current reduction
Controlled voltage source
High voltage applications
Modular multi-level converters
Parameter sensitivity analysis
Total harmonic distortion (THD)
Weighted models
Power converters
العنوانModular Multilevel Converter Circulating Current Reduction Using Model Predictive Control
النوعArticle
الصفحات3857-3866
رقم العدد6
رقم المجلد63
dc.accessType Abstract Only


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