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Weiqiang Liao, Xin Dong, Rongfeng Yang and Zhongfei Qiao
In response to the constant power negative impedance characteristics on the load side of a ship DC microgrid, leading to voltage oscillation issues in the DC bus, this paper proposes a control optimization method based on impedance reshaping using bus vo...
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María Paz Comech, José F. Sanz-Osorio, Julio J. Melero and Oscar García-Izquierdo
The electric vehicle deployment, due to the plans defined according to the energy transition objectives, produces new challenges for the electrical system. These challenges are associated with the charging infrastructure of these vehicles since they requ...
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Laihu Peng, Yuan Sun, Yubao Qi and Xin Ru
In order to solve the problem of low response frequency and poor consistency of conventional yarn grippers in weft accumulators, in this study, a piezoelectric yarn gripper is used instead of conventional yarn grippers and the motion characteristics of i...
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Minghang Duan, Jiandong Duan, Quntao An and Li Sun
State-of-charge balance is vital for allowing multiple energy storage units (ESUs) to make the most of stored energy and ensure safe operation. Concerning scenarios wherein boost converters are used as the interfaces between ESUs and loads, this paper pr...
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Shukuan Zhang, Yunxiang Nan, Yusen Zhang, Chuan Xiang and Mai The Vu
The propulsion system for underwater vehicles, driven by a counter-rotating permanent magnet synchronous motor (CRPMSM), can enhance the operational stability and efficiency of the vehicle. Due to the influence of complex underwater flows, the load imbal...
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Miguel Aybar-Mejía, Randy Andrés, Alam Cabral-Soto, Carlos Montás, Wilmer-Johann Núñez-García, Elvin Arnaldo Jiménez Matos, Giuseppe Sbriz-Zeitun and Deyslen Mariano-Hernández
The growing integration of tourist areas and complexes increases the demand for electrical power systems. This increased demand may represent a vulnerability to voltage and frequency stability in electrical grids, where these parameters are essential for...
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Mohammed El-Nagar, Khaled Ahmed, Eman Hamdan, Ayman S. Abdel-Khalik, Mostafa S. Hamad and Shehab Ahmed
Proper operation of the grid-tie transformerless converters under unbalanced and distorted conditions entails a precise detection of the frequency and fundamental component of the grid voltage. One of the main problems that could arise during the estimat...
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Issarachai Ngamroo, Wikorn Kotesakha, Suntiti Yoomak and Anantawat Kunakorn
This study aims to evaluate the impact of the distributed generator (DG) connection to the grid. The simulated results present the parameters of the system required to install DG on the end of the main distribution feeder. Various parameters, such as vol...
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Amir Abdullaev, Alexander Kotvitskii, Ivan Moralev and Maxim Ustinov
Cancellation of the cross-flow vortices in a swept-wing boundary layer is attempted by plasma actuator array in numerical simulation. The response of the boundary layer to the stationary excitation by a single actuator section is measured experimentally ...
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Yajun Huang, Xiaoxian Wang, Guomin Cui, Pingyang Wang and Dongsheng Cai
The C12A7 hollow cathode is expected to usher in a new generation of hollow cathodes because of its low work function and chemical stability. In order to reduce the emission melting and degradation caused by the overheating of this new cathode, different...
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