Results 21 to 30 of about 217,146 (308)
Nanomaterials, 2023 Recently, scientists have been facing major obstacles in terms of improving the performances of dielectric materials for triboelectric nanogenerators. The triboelectric nanogenerator (TENG) is one of the first green energy technologies that can convert ...
Jiaheng Zhou +10 more
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High Voltage, 2023 Engineering experience shows that for transformers with long service life and serious moisture exposure, the inter‐turn paper insulation inside the winding will precipitate bubbles under the condition of electric field and conductor heating, which will ...
Yiyi Zhang +6 more
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Distributed Power-Generation Systems and Protection [PDF]
Proceedings of the IEEE, 2017 Continuously expanding deployments of distrib¬uted power-generation systems (DPGSs) are transforming the conventional centralized power grid into a mixed distributed electrical network. The modern power grid requires flexible energy utilization but presents challenges in the case of a high penetration degree of renewable energy, among which wind and ...
Frede Blaabjerg +3 more
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Distribution network with distributed power protection setting policy666
Journal of Physics: Conference Series, 2021 Abstract When Distributed Generation (DG) is connected to the distribution network, the original network structure will change, leading to various distribution grid protection deviation, the instability of the network appears. In order to guarantee the reliability and economy of power distribution grid, distributed power and full of ...
XU Xin, WANG Shirong, ZHANG Jianan
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Distributed Photonic Instrumentation for Power System Protection and Control [PDF]
IEEE Transactions on Instrumentation and Measurement, 2015 We report on recent developments in hybrid optical protection schemes that make use of passive fiber Bragg grating-based transducers for the distributed measurement of voltage and current. In addition to the details of the hybrid optical sensor technology, and its full integration with a commercial busbar protection relay, we report on the first-time ...
Orr, Philip +7 more
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Effects of Current and Ambient Temperature on Thermal Response of Lithium Ion Battery
Batteries, 2022 Both operating current and ambient temperature have a great impact on heat generation and the available residual capacity of the lithium ion battery. The thermal response of the lithium ion battery is investigated under isothermal conditions.
Shuping Wang +6 more
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Materials & Design, 2023 Following the surge in power loads and continuous improvement in the voltage level, insulating papers' mechanical and electrical properties face new challenges.
Wenchang Wei +5 more
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Impact of distributed power generation on protection coordination in distribution network
Indonesian Journal of Electrical Engineering and Computer Science, 2021 <p>In the whole world and especially in Morocco, the electric power sector faces significant challenges and the demand for energy is increasing as fossil fuel sources are disappearing. Moreover, the high cost of construction of large production plants and the obligation to reduce greenhouse gas emissions are among the factors pushing the energy ...
Idrissi, Zineb El +3 more
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Adaptive current protection in electrical complexes with small power plants [PDF]
E3S Web of Conferences, 2021 The article considers electrical complexes with power plants of small capacity. The influence of power generation sources on short-circuit current distribution has been investigated.
Smirnov A.I., Shklyarskiy J.E.
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Applied Sciences, 2022 Electric power distribution networks are generally radial in nature, with unidirectional power flows transmitted from the highest voltage levels to the consumption levels.
Daniel Alcala-Gonzalez +4 more
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