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Abrar Shahriar Pramanik and Saeed Sepasi
Microgrids, with integrated PV systems and nonlinear loads, have grown significantly in popularity in recent years, making the evaluation of their transient behaviors in grid-connected and islanded operations paramount. This study examines a microgrid?s ...
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Wei Liu, Yuanchao Hu, Haipeng Tian, Zhipeng Jiang, Xiaole Su, Jie Xiong, Wei Su and Yi Wang
Existing transmission lines and pipelines are frequently crossed and erected in parallel, meaning that if lightning strikes a wire and causes insulator flashovers, the resulting lightning current will spread through the grounding of the tower where the f...
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Qiao Xu, Xiaolong Cui, Shunqi Mei, Yuchen He, Zhen Chen and Fanhe Meng
This paper addresses the problem of low electromagnetic weft insertion acceleration performance of extra-large width automatic looms. Based on single-stage electromagnetic weft insertion and multi-stage intermittent electromagnetic weft insertion, a sect...
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Jinhua Xu, Shaohua Liu, Huaqiu Zhou, Rikai Zhang, Bo Wang, Yikang Xu and Wangping Qian
The vehicle-mounted transient electromagnetic method (VMTEM) has been proposed to detect tunnel internal defects in operational tunnels based on the ideal space state. However, the space environment of tunnel surrounding rock is different compared with c...
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Xiaodong Li and Zheng Xu
The large number of switching elements in modular multilevel converters (MMCs) contribute a tremendous computational burden for electromagnetic transient (EMT) simulation programs. Detailed equivalent models (DEMs) and average value model (AVMs) are curr...
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This paper deals with the modeling and simulation of induction motor loads in power system stability studies considering the influence of the negative-sequence components. A practical method for computing the dynamic behavior of an induction motor under ...
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Guopeng Zhao and Jiyun Ren
The doubly-fed variable-speed pumped storage (DFVSPS) is an effective method to balance the fluctuation of renewable energy generation and is an important means of frequency and voltage regulation of a power grid. Firstly, this paper introduces the struc...
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Contactless capacitive (open-air) sensors are applied to monitor overvoltages near overhead line terminations at a substation or at the transition from underground cables to overhead lines. It is shown that these sensors, applied in a differentiating/int...
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Kamran Hafeez, Shahid A. Khan, Alex Van den Bossche and Qadeer Ul Hasan
Modular multilevel converters (MMCs) are quickly emerging as a suitable technology for a voltage-source converter-based high-voltage direct-current (VSC-HVDC) transmission systems due to its numerous advantages as reported in literature. However, for a l...
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Ji Han, Shihong Miao, Jing Yu, Yifeng Dong, Junxian Hou, Simo Duan and Lixing Li
The electromagnetic transient simulation of a power system with nonlinear characteristics is very time-consuming due to numerous inversion calculations of the admittance matrix. To speed up the simulation of the power system with nonlinear characteristic...
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