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Kardan Halvaei, F. (author), Ahmadi, M. (author), Shekhar, A. (author), Bauer, P. (author)EV Fast chargers are crucial to alleviate the driving range anxiety for E-mobility applications. A typical converter load profile consists of a short high-current pulse to rapidly refill the EV battery followed by a cooling-off period once the charging is completed. Power electronic components experience thermal cycles as a result, which can...conference paper 2023
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Molenaar, M. (author), Kardan Halvaei, F. (author), Shekhar, A. (author), Bauer, P. (author)The reliability of semiconductor power devices can be studied by performing a thermal and power cycling test. In order to create the desired temperature cycles, there are four free variables to select during the power cycling test, namely the heating current, heating time, cooling time, and heatsink temperature. In this paper, the relation...conference paper 2023
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Slaifstein, D.A. (author), Alpizar Castillo, J.J. (author), Menendez Agudin, A. (author), Ramirez Elizondo, L.M. (author), Chandra Mouli, G.R. (author), Bauer, P. (author)In the context of building electrification the operation of distributed energy resources integrating multiple energy carriers poses a significant challenge. Such an operation calls for an energy management system that decides the set-points of the primary control layer in the best way possible. This is done by fulfilling user requirements,...conference paper 2023
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Deshmukh, R.S. (author), Rituraj, G. (author), Lock, Niels (author), Vahedi, H (author), Shekhar, A. (author), Bauer, P. (author)Power electronics converters (PEC) play a crucial role in interfacing renewable energy systems and electrolyzers to ensure a high production yield of green hydrogen. The design of such PEC is not straightforward due to the safety hazards of using multiple electrolyzer stacks and converter modules at industrial levels. Therefore, real-time...conference paper 2023
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Zhu, G. (author), Dong, J. (author), Bauer, P. (author)It is ideal for the wireless power transfer (WPT) systems to operate at the resonance state for better transmission performance. In practice, however, the parameters of the resonant circuits often deviate because of the capacitance drift and coil misalignment. To this end, this paper proposes a new parameter estimation method for the WPT systems...conference paper 2023
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Kardan Halvaei, F. (author), Shekhar, A. (author), Bauer, P. (author)EV fast chargers are essential in addressing the concern of limited driving range for E-mobility applications. However, the load profile of a converter for fast charging involves a high-current pulse that can last for a few minutes to efficiently replenish the EV battery, which is followed by a cooldown period after the charging process is...conference paper 2023
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Mirzadarani, R. (author), Ghaffarian Niasar, M. (author), Li, Z. (author), Qin, Z. (author), Vaessen, P.T.M. (author), Bauer, P. (author), Van Lieshout, Lou (author)Green hydrogen production uses renewable energies to energise the electrolysers for hydrogen production. The present paper compares possible solutions and configurations of a medium-frequency transformer (MFT) as part of a solid-state transformer (SST) in green hydrogen production applications. The single-phase and three-phase MFTs are compared...conference paper 2023
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Damianakis, Nikolaos (author), Yu, Y. (author), Bauer, P. (author)Smart-Charging of Electric Vehicles (EVs) is able to provide frequency regulation capacity services to the System Operator (SO) upon an automation generation control (AGC) signal. While the amount of available regulation capacity is of-fered in the Day-Ahead Market (DAM), there is high uncertainty on the actual amount of reserves that will be...conference paper 2023
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Menendez Agudin, A. (author), Jaikumar, Kalpesh (author), Chandra Mouli, G.R. (author), Slaifstein, D.A. (author), Pool, Jeroen (author), Bauer, P. (author)This paper presents a Mix Integer Linear Programming (MILP) optimization approach to reduce peak demand and maximize revenue in a grid-connected building with a PV-equipped charging station for Shared EVs. The study investigates the impact of EV availability on the effectiveness of the system by comparing the results for different connection...conference paper 2023
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Deshmukh, R.S. (author), Rituraj, G. (author), Vahedi, H (author), Shekhar, A. (author), Bauer, P. (author)Electrolysis requires a high DC current at low voltage to produce hydrogen from water. Designing power converters for such a load requirement could be challenging while fulfilling the galvanic isolation needs. Therefore, prior knowledge of the electrolyzer's impact on the converter operation should be needed. In this context, this paper...conference paper 2023
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Kouwerberg, Sang Jae (author), Alpizar Castillo, J.J. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)Batteries are one of the main tools to provide the flexibility distribution and transmission systems need due to their increasing dependence on weather conditions. However, environmental and economic factors pose a significant problem. New types of batteries that do not rely on rare earth metals and organic solvents but instead use water and...conference paper 2023
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Alpizar Castillo, J.J. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)The energy transition requires electrical alternatives for domestic heating. Heat pumps are the most common alternatives to gas boilers. However, heat pumps consume a significant amount of electrical power. We simulated an 18-node low voltage network with five buildings with six apartments each to evaluate the effect of deploying heat pumps as...conference paper 2023
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Lyu, D. (author), Straathof, C.A. (author), Soeiro, Thiago B. (author), Qin, Z. (author), Bauer, P. (author)A variable switching frequency modulation for the Dual Active Bridge (DAB) converter is proposed in this paper. With this variable switching frequency modulation, the DAB converter can be operated in the ZVS-beneficial operational modes without the necessity to transition to others, thus a larger ZVS range for the DAB converter can be...conference paper 2023
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Xiao, J. (author), Wang, L. (author), Qin, Z. (author), Bauer, P. (author)In multi-inverter parallel connected islanded micro-grids, reactive power sharing is challenged by the differences in feeder impedance and various controller parameters. In order to address this issue, a virtual impedance reshaping strategy based on the consensus algorithm is proposed in this paper. The proposed method facilitates adaptive...conference paper 2023
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Wu, Y. (author), Qin, Z. (author), Soeiro, Thiago B. (author), Bauer, P. (author)The sinusoidal Triangular-Current-Mode (S-TCM) method has been proposed in the AC/DC power-factor-correction (PFC) converter to achieve the zero-voltage-switching (ZVS) which can lead to both, high efficiency operation and a high power density design. Nevertheless, the necessary wide range variation of the sinusoidal switching frequency...conference paper 2023
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Wang, L. (author), Qin, Z. (author), Wu, Y. (author), Bauer, P. (author)Reinforcement of the legacy grid infrastructure will be very costly and thereby unrealistic. Consequently, weak grid connection of electric vehicle (EV) chargers will sooner or later be the case. It may however bring instability issues since the EV chargers that can work well in strong grid conditions usually do not fit the weak grid...conference paper 2023
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Li, Z. (author), Qin, Z. (author), Mirzadarani, R. (author), Ghaffarian Niasar, M. (author), Itraj, M.S. (author), Van Lieshout, Lou (author), Bauer, P. (author)For electrolyzer applications, traditional solutions using line frequency transformers plus rectifiers are bulky, heavy and have low controllability. The Solid State Transformer (SST) could be a promising solution to solve the mentioned issues. This paper compares the semiconductor ratings and capacitance of five different Modular Multilevel...conference paper 2023
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Xiao, J. (author), Wang, L. (author), Qin, Z. (author), Bauer, P. (author)This paper proposes a virtual impedance reshaping strategy to share active and harmonic power while promoting the PCC voltage quality. Moreover, the suggested method is resilient to cyber-attacks and immune to communication interruption and delay. Furthermore, it significantly reduces the communication burden. Experiments verify the...conference paper 2023
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Sinha, P. (author), Yadav, S. (author), Qin, Z. (author), Bauer, P. (author)Series-connected MOSFETs with lower voltage ratings can be an alternative for single high-voltage switches. This paper compares two switch configurations for the soft-switched power converter topology targeted for a 1400V DC grid. The first configuration is a single switch rated at 1700V whereas the other is a series connected two MOSFETs rated...conference paper 2023
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Yu, G. (author), Ye, P. (author), Grazian, F. (author), Dong, J. (author), Soeiro, Thiago B. (author), Bauer, P. (author)The pursuit of battery charging technology for electric vehicle (EV) has led to extensive research on the inductive-based wireless power transfer (WPT) systems. In this paper, the compensation component (including coils) stresses will be studied in two commonly adopted compensation topologies, namely S-S and LCC-S compensations. Due to the peak...conference paper 2023