Article
Engineering, Electrical & Electronic
Yanxun Guo, Haifeng Li, Guangkun Gu, Dehui Zeng, Gang Wang
Summary: DC circuit breakers (DCBs) are used to isolate faults in high-voltage DC grids. Multiple DCBs connected to multiple lines form a DCB cluster, which can be integrated into a multiport DCB (MDCB) to reduce construction costs. This article proposes a novel MDCB to integrate current-injection-DCBs (C-DCBs) for improved interruption reliability. The proposed MDCB is compared with traditional DCB clusters and previous MDCBs to show economic and reliability advantages, and is validated using simulations.
IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS
(2021)
Article
Engineering, Electrical & Electronic
Araz Saleki, Mohammad Tavakoli Bina, Amir Shahirinia
Summary: This paper proposes a new hybrid MMC protective topology consisting of a combination of the HB and TQB modules, which has low power losses and high fault ride-through capability.
IEEE TRANSACTIONS ON POWER DELIVERY
(2022)
Article
Energy & Fuels
Xibei Zhao, Gen Li, Jianzhong Xu, Jinsha Yuan
Summary: In this study, a clamping type DCCB (CTCB) using internal capacitors to clamp the converter voltage is proposed to address the challenges of DC fault protection. The proposed CTCB achieves fast fault isolation and low energy dissipation compared to the conventional DCCB.
CSEE JOURNAL OF POWER AND ENERGY SYSTEMS
(2023)
Article
Engineering, Electrical & Electronic
Binbin Li, Bingxu Zhang, Yujie Zhang, Lei Li, Dianguo Xu
Summary: This article presents a thyristor-submodule hybrid dc/dc converter (TSDC) that combines the advantages of low cost, low conduction loss, and high robustness of thyristors with the high controllability of cascaded half-bridge submodules. The TSDC offers efficient dc/dc conversion, reliable thyristor switching, wide voltage operation range, and the ability to block dc faults without the need for dc circuit breakers.
IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS
(2022)
Article
Automation & Control Systems
Jin-Yeol Yu, Jin-Young Kim, Seung-Min Song, Zacharie Ayubu, In-Dong Kim
Summary: This article proposes a new thyristor dc solid-state circuit breaker, which can naturally charge the commutation capacitor without complicated switching operation. It not only can perform the fast breaking of fault current, but also the operating duties of reclosing and rebreaking. The operating characteristics of the proposed dc SSCB are verified by the experimental results.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2021)
Article
Automation & Control Systems
Jin Zhu, Qingpeng Zeng, Xinming Guo, Haipeng Jia, Boyuan Cui, Tongzhen Wei
Summary: This article proposes a novel multiport current-injection hybrid dc circuit breaker (M-C-HCB) topology, which uses a simple bridge arm circuit with a single capacitor to achieve fault current communication process from load current branch to main breaker branch. It requires only one external precharging and removes load current switch (LCS) to minimize conduction losses. The working principle and parameter designs are discussed, and a comparison with traditional M-HCBs and other M-C-HCB solutions is presented to demonstrate efficiency and economic advantage. The proposed topology is validated through simulations and experiments.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Binye Ni, Wang Xiang, Meng Zhou, Wenping Zuo, Wei Yao, Weixing Lin, Jinyu Wen
Summary: This study proposes an adaptive fault current limiting control scheme for modular multilevel converters, which enables fast fault current suppression during DC faults with better performance compared to existing methods. By adaptively reducing the output DC voltages of MMCs, the fault current can be effectively suppressed. Simulation results demonstrate the effectiveness of the control scheme.
IEEE TRANSACTIONS ON POWER DELIVERY
(2021)
Article
Engineering, Electrical & Electronic
Jianzhong Xu, Xinyu li, Gen Li, Chengyong Zhao
Summary: This paper proposes a CFC topology with DC fault current limiting and interrupting capabilities for HVDC grids, which can effectively control current flow and avoid high capital costs. Through theoretical analysis and testing in PSCAD/EMTDC, it is shown that the proposed CFCs can successfully limit and interrupt DC fault currents during normal operation.
IEEE TRANSACTIONS ON POWER DELIVERY
(2021)
Article
Engineering, Electrical & Electronic
Jianzhong Xu, Bingqian Song, Yu Lu, Chengyong Zhao, Gen Li, Jun Liang
Summary: The paper proposes an enhanced multi-port current-limiting DC circuit breaker for multiple line protection, which can clear faults faster with an integrated fault current limiter. An energy transfer path is designed to reduce energy dissipation requirements for surge arresters. Simulation results show that the DC circuit breaker can replace multiple traditional circuit breakers and accelerate fault current interruption.
IEEE TRANSACTIONS ON POWER DELIVERY
(2021)
Article
Automation & Control Systems
Zacharie Ayubu, Jin-Young Kim, Jin-Yeol Yu, Seung-Min Song, In-Dong Kim
Summary: This article introduces a novel bidirectional dc solid-state circuit breaker for reinforcing the bidirectional flow of energy in DC microgrids, which significantly improves the overall efficiency of power supply. The proposed topology can perform reclosing and rebreaking operations with the commutation capacitor charging and recharging naturally, without complex control of main or auxiliary thyristors, making it unique compared to existing topologies.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2021)
Article
Engineering, Electrical & Electronic
Shimin Xue, Baibing Liu, Shouxiang Wang, Xiao Chen, Xiaoshuai Zhu, Junchi Lu
Summary: The study introduces a modular hybrid DC circuit breaker that can adaptively control current limiting and clearing based on protection signals, speeding up current clearing for enhanced system safety.
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS
(2022)
Article
Engineering, Electrical & Electronic
Yufeng Wang, Run Dong, Zixiao Xu, Zhen Kang, Wenli Yao, Weilin Li
Summary: This article introduces a novel bidirectional dc solid-state circuit breaker based on coupled inductor, which can achieve bidirectional energy flow and bidirectional isolation and interruption of short-circuit faults with fewer components. The working principle of the topology and the working process under different conditions are described, and some properties of the novel circuit breaker are explored, providing a reference for the selection of component parameters. The feasibility and performance of the novel bidirectional circuit breaker is evaluated by simulations and experiments.
IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS
(2021)
Article
Engineering, Electrical & Electronic
Vasileios Psaras, Dimitrios Vozikis, Grain P. Adam, Graeme Burt
Summary: This article investigates the enhanced dc fault performance of the customized hybrid modular multilevel converter (CH-MMC) and proposes a dedicated dc fault handling strategy for CH-MMC-based HVdc grids to improve fault resiliency and security under different fault conditions.
IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS
(2021)
Article
Engineering, Electrical & Electronic
Sang-Yong Park, Hyo-Sang Choi
Summary: Globally, the demand for DC is increasing due to climate change and power semiconductor technology, leading to the need for a technology capable of stably cutting off DC fault current. We proposed a hybrid superconducting DC circuit breaker that combines a superconducting current limiter and a mechanical DC circuit breaker to create an artificial zero point. By applying this circuit breaker to the HVDC system model, we confirmed its ability to limit initial fault current and perform a fast-breaking operation.
JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY
(2023)
Article
Engineering, Electrical & Electronic
Kejun Qin, Shunliang Wang, Junpeng Ma, Ji Shu, Junjie Zhou, Tianqi Liu
Summary: This letter introduces a new type of DC circuit breaker with low conduction loss, simple precharging scheme, and reliable breaking ability. It is capable of actively breaking fault and operating currents with the same simple operation sequences, and also features bidirectional topology.
IEEE TRANSACTIONS ON POWER ELECTRONICS
(2022)
Article
Automation & Control Systems
Narges Moeini, Milad Bahrami-Fard, Masoud Shahabadini, Seyed Mohammad Azimi, Hossein Iman-Eini
Summary: This article presents a nonlinear passivity-based control method for a grid-connected cascaded H-bridge photovoltaic system, which enhances stability and enables independent control of the dc-link voltage to maximize energy harvesting.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Abdelhak Djoudi, Seddik Bacha, Hossein Iman-Eini, Djamila Rekioua
Summary: This paper introduces a smooth and sensor-less grid synchronization strategy of DFIG to enhance the integration ratio of renewable energy conversion systems. The feasibility of the proposed method is verified through analysis, experiments, and simulation results.
JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY
(2023)
Article
Engineering, Electrical & Electronic
Milad Bahrami-Fard, Narges Moeini, Masoud Shahabadini, Hossein Iman-Eini, Marco Liserre
Summary: This article presents an equivalent common-mode model of a cascaded H-bridge inverter and proposes a new multicarrier pulsewidth modulation strategy to suppress leakage currents. The proposed method provides extra redundancy states and modulation strategy to keep the common-mode voltage constant and suppress leakage currents. The validity of the proposed solution is verified through simulation and experimental results.
IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS
(2023)
Article
Energy & Fuels
Xuanyi Zhou, Wei Juin Choy, Abraham M. Alcaide, Shuo Wang, Sandro Guenter, Jose I. Leon, Vito Giuseppe Monopoli, Leopoldo G. Franquelo, Marco Liserre, Michael Galea, Chris Gerada, Giampaolo Buticchi
Summary: This paper investigates the influence of a constant carrier phase shift on the DC-link capacitor harmonic current in cascaded converters used in fuel-cell and mild-hybrid electric vehicles. The optimization of converter operation to limit current stress and extend the lifetime of the capacitor is proposed by using a carrier phase shift between the modulations of the two converters. Analytical results are presented and validated by hardware-in-the-loop experiments, showing significant influence of the pulse width modulation carrier phase shift on the DC-link capacitor current and its lifetime extension.
Article
Automation & Control Systems
Dipesh Atkar, Pradyumn Chaturvedi, Hiralal Murlidhar Suryawanshi, Marco Liserre, Pratik Nachankar
Summary: This article presents a two-stage integrated DC transformer (TSDCT) for DC microgrid (MG) applications using an adaptive control algorithm (ACA). The conventional control methods and design constraints of DC transformers do not consider the impact of circuit structural elements and parasitic components, leading to inadequate control features in the DC MG network. To address this issue, the proposed ACA improves the performance of TSDCT by considering the resonant tank circuit parameters and converter's structural elements. Detailed modeling and analysis are conducted to describe the principles and evolution of critical components in the ACA. The proposed TSDCT based on ACA demonstrates wide-range voltage regulation, soft-switching operation, high control resolution, and better performance under different operating conditions.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2023)
Article
Automation & Control Systems
Pouyan Pourhadi Abkenar, Mohammad Hamed Samimi, Alinaghi Marzoughi, Vahid Samavatian, Hossein Iman-Eini, Yousef Naghibzadeh
Summary: This article presents a novel low-cost, single-switch, high-step-up resonant dc-dc converter with high reliability. The proposed converter topology has a simple structure and a low count of components, achieving a low ripple input current characteristic. The circuit operates in the soft-switching condition, reducing the switching losses, and employs film capacitors instead of electrolytic capacitors to improve size and reliability. The article discusses the operational principle, steady-state analysis, and design considerations, and validates the theoretical equations through experiments.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Johanna Kristin Maria Becker, Andreas Martin Kettner, Yihui Zuo, Federico Cecati, Sante Pugliese, Marco Liserre, Mario Paolone
Summary: This paper extends the CIDER model and HPF framework to include the DC-side response of the CIDERs, which is a crucial aspect. The extended HPF method is applied to a modified low-voltage microgrid benchmark and compared with time-domain simulations, the predecessor of the extended HPF without the DC side, and a classical decoupled HPF.
IEEE TRANSACTIONS ON SMART GRID
(2023)
Article
Automation & Control Systems
Bingtao Zhang, Weimin Wu, Yong Yang, Ning Gao, Jianming Chen, Eftichios G. Koutroulis, Henry Shu-Hung Chung, Marco Liserre, Frede Blaabjerg
Summary: A new simplified finite control set repeat model predictive control algorithm is proposed in this article, which reduces the computational burden of the system by considering the historical data for the selection of the optimal vector in the future time steps.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Alireza Pourfaraj, Hossein Iman-Eini, Sattar Bazyar, Saeid Ahmadi, Ehsan Asadi, Marius Langwasser, Marco Liserre
Summary: This article proposes a two-stage fault detection algorithm based on the integrated Artificial Neural Network (ANN) and Discrete Wavelet Transform (DWT) theory to solve the problems caused by fixed value threshold in different grid conditions. It improves the reliability of fault detection operation, offers high robustness against a wide range of fault resistances, provides bus protection capability, and avoids the requirement for high-speed communications links by setting relays locally, also achieving DC fault detection in a short period of time.
IEEE TRANSACTIONS ON POWER DELIVERY
(2023)
Article
Engineering, Electrical & Electronic
Reza Barzegarkhoo, Majid Farhangi, Sze Sing Lee, Ricardo P. Aguilera, Marco Liserre, Yam P. Siwakoti
Summary: This article introduces a dual-mode ANPC-5L converter that can operate in buck or boost mode with a wide range of input DC voltages, providing improved performance and reduced voltage stress on devices.
IEEE TRANSACTIONS ON POWER ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Jiajun Yang, Sandro Guenter, Giampaolo Buticchi, Chunyang Gu, Marco Liserre, Pat Wheeler
Summary: This article presents comprehensive impedance modeling of the DAB-based ISOP converter, and validates the input and output impedance models through simulation and experiment. It accurately predicts the frequency of the main harmonic component in oscillating waveforms, which is useful for system-level stability analysis and optimization.
IEEE TRANSACTIONS ON POWER ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Federico Cecati, Johanna Kristin Maria Becker, Sante Pugliese, Yihui Zuo, Marco Liserre, Mario Paolone
Summary: This paper proposes a Linear Time Periodic model of a PLL-synchronized converter to be used in Harmonic Power Flow analyses. Through studying a realistic 18-bus distribution grid, it is revealed that the converters significantly amplify the harmonics and reduce the fundamental components of the buses voltages, representing a risk for the voltage stability.
IEEE TRANSACTIONS ON SMART GRID
(2023)
Article
Engineering, Electrical & Electronic
Marco Liserre, Yoann Pascal, Jeffrey McCord, Thiago Pereira, Rainer Adelung, Lukas Zimoch, S. Kaps, Xiaxin Li, Nian X. Sun
Summary: Voltage controlled magnetic components are a promising technology that provides circuit designers with additional optimization freedom. This article reviews technologies for creating controlled magnetics and proposes potential applications, with a focus on a use case involving voltage-controlled inductors in a multiport dc-dc converter.
IEEE POWER ELECTRONICS MAGAZINE
(2023)
Proceedings Paper
Engineering, Electrical & Electronic
Dario Metschies, Thiago Pereira, Fabian Groon, Sergej Schikowski, J. Maximilian Placzek, Marco Liserre
Summary: High voltage (HV) batteries, along with power converters, provide more efficient systems and faster charging speeds. Multiport DC/DC converters are used to adapt different HV and LV levels with reduced conversion stages and high efficiency. In this paper, a GaN-based multiport resonant converter with a wide input voltage range is investigated, employing an input-series and output-parallel interconnection (ISOP) to reduce device effort. The efficiency of the proposed topology is validated through simulation and hardware testing, reaching a peak efficiency of 94.23%.
2023 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC
(2023)
Article
Engineering, Electrical & Electronic
Giampaolo Buticchi, Thiago Pereira, Jiajun Yang, Giovanni De Carne, Xiang Gao, Youngjong Ko, Zhixiang Zou, Kangan Wang, Marco Liserre
Summary: The exploitation of renewable energy has driven the development of novel power electronics solutions, and the smart transformer (ST) has become a promising solution to replace conventional transformers and make the power grid smarter and more flexible.
IEEE INDUSTRIAL ELECTRONICS MAGAZINE
(2023)