no code implementations • 2 Dec 2024 • Subham Sahoo, Huai Wang, Frede Blaabjerg
This paper introduces a novel approach to quantify the uncertainties in fault diagnosis of motor drives using Bayesian neural networks (BNN).
no code implementations • 25 Apr 2024 • Yuan Li, Subham Sahoo, Sergio Vazquez, Yichao Zhang, Tomislav Dragicevic, Frede Blaabjerg
This paper introduces a novel approach in designing prediction horizons on a generalized predictive control for a DC/DC boost converter.
no code implementations • 20 Apr 2024 • Shuyu Ou, Mahyar Hassanifar, Martin Votava, Marius Langwasser, Marco Liserre, Ariya Sangwongwanich, Subham Sahoo, Frede Blaabjerg
The modular multilevel converter (MMC) is a topology that consists of a high number of capacitors, and degradation of capacitors can lead to converter malfunction, limiting the overall system lifetime.
no code implementations • 15 Apr 2024 • Shuyu Ou, Ariya Sangwongwanich, Subham Sahoo, Frede Blaabjerg
The health status of power semiconductor devices in power converters is important but difficult to monitor.
no code implementations • 15 Apr 2024 • Rui Kong, Subham Sahoo, Yubo Song, Frede Blaabjerg
This paper proposes a gray-box stability analysis mechanism based on data-driven dynamic mode decomposition (DMD) for commercial grid-tied power electronics converters with limited information on its control parameters and topology.
no code implementations • 15 Apr 2024 • Rui Kong, Subham Sahoo, Yongjie Liu, Frede Blaabjerg
Harmonic instability occurs frequently in the power electronic converter system.
no code implementations • 18 Jul 2023 • Xiaoling Xiong, Bochen Luo, Longcan Li, Ziming Sun, Frede Blaabjerg
Thus, the frequency coupling effect can be almost eliminated and the stability of DFIG is improved a lot.
no code implementations • 17 Sep 2022 • Meng Chen, Dao Zhou, Ali Tayyebi, Eduardo Prieto-Araujo, Florian Dörfler, Frede Blaabjerg
A step-by-step construction and design procedure of the power control of grid-forming converters is also given.
no code implementations • 16 Aug 2022 • Yaqian Zhang, Yi Zhang, Frede Blaabjerg, Jianzhong Zhang
The proposed approach of injecting the second-order circulating current will rebuild the bipolar arm current of the MMC and enlarge the capacitor voltage deviations between the healthy and faulty SMs.
no code implementations • 3 Aug 2022 • Daniela Pagnani, Łukasz H. Kocewiak, Jesper Hjerrild, Frede Blaabjerg, Claus Leth Bak
These are gradually replacing conventional thermal power plants which today are the main providers of black start (BS) services.
no code implementations • 28 Jun 2022 • Meng Chen, Dao Zhou, Frede Blaabjerg
A multi-input multi-output based grid-forming (MIMO-GFM) converter has been proposed using multivariable feedback control, which has been proven as a superior and robust system using low-order controllers.
no code implementations • 6 May 2022 • Meng Chen, Dao Zhou, Frede Blaabjerg
This paper proposes a full-state feedback control for the power loops of grid-forming converters.
no code implementations • 4 Mar 2022 • Thai-Thanh Nguyen, Tuyen Vu, Sumit Paudyal, Frede Blaabjerg, Thanh Long Vu
The control parameters of these GFM types are properly designed and optimized to enable a fair comparison.
no code implementations • 17 Feb 2022 • Meng Chen, Dao Zhou, Ali Tayyebi, Eduardo Prieto-Araujo, Florian Dörfler, Frede Blaabjerg
The classic design of grid-forming control strategies for power converters rely on the stringent assumption of the timescale separation between DC and AC states and their corresponding control loops, e. g., AC and DC loops, power and cascaded voltage and current loops, etc.
no code implementations • 14 Sep 2021 • Meng Chen, Dao Zhou, Ali Tayyebi, Eduardo Prieto-Araujo, Florian Dörfler, Frede Blaabjerg
The grid-forming converter is an important unit in the future power system with more inverter-interfaced generators.
no code implementations • 2 Dec 2020 • M. A. Hannan, D. N. T. How, M. S. Hossain Lipu, Pin Jern Ker, Z. Y. Dong, M. Mansur, Frede Blaabjerg
In this letter, we train deep learning (DL) models to estimate the state-of-charge (SOC) of lithium-ion (Li-ion) battery directly from voltage, current, and battery temperature values.
no code implementations • 24 Jun 2020 • Di Cao, Junbo Zhao, Weihao Hu, Fei Ding, Qi Huang, Zhe Chen, Frede Blaabjerg
Accurate knowledge of the distribution system topology and parameters is required to achieve good voltage controls, but this is difficult to obtain in practice.