Results 31 to 40 of about 867,503 (199)
Demagnetization withstand capability enhancement of surface mounted PM machines using stator modularity [PDF]
, 2017 The flux gaps in alternate stator teeth of the modular PM machines can have a significant impact on the total magnet flux density, and hence, the potential magnet reversible/irreversible demagnetization under flux weakening operations or short-circuit ...
Foster, M.P. +4 more
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Kongzhi Yu Xinxi Jishu, 2021 Using bi-directional converters for traction power supply in urban rail transit, traditional PWM rectifiers cannot meet the requirement of DC feeder protection for 27 kA short-circuit current with 120 ms continuous time.
WANG Xiong +3 more
doaj
Journal of Modern Transportation, 2018 To improve the accuracy of fault location system, several short-circuit tests need to be conducted before being brought into service in autotransformer (AT) feeding systems for high-speed railways in China.
Qing-an Ma, Wei Liu
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Gong-kuang zidonghua, 2020 Most of existing models and methods for research of capacitive circuit spark discharge and high-power intrinsic safety power supply only consider discharge characteristics of energy storage elements during discharge process， and do not consider influence
KANG Qian +3 more
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Research on a fault current limiter based on variable reactor
Zhejiang dianli, 2022 With the increase of the power load in power grid， the short circuit level continues to rise， and excessive short-circuit current will do great damage to power equipment and imperil power systems.
GU Yu +3 more
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Analisis Penggunaan Reaktor Pembatas Arus sebagai Pembatas Arus Hubung Singkat di PT Pulp And Paper [PDF]
, 2015 To keep stability in power supply distribution, PT. Pulp and Paper used loop distribution system in their main substation. This thing caused possibilty of short-circuit current may exceed circuit breaker's capability.
Ervianto, E. '. (Edy) +2 more
core
IET Electric Power ApplicationsAs one of the key main equipment of the power system, the transformer directly affects the safe and reliable operation of the system. In the process of transformer reclosing, the internal electromagnetic environment is obviously different from that of ...
Yuefeng Hao +3 more
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Energies, 2021 Like the widely-used semiconductor switch, Insulated Gate Bipolar Transistors (IGBTs) are subject to many failures and degradation in power electronic converters.
Sadegh Mohsenzade +2 more
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Short-circuit protection for direct-current sub-stations [PDF]
Journal of the American Institute of Electrical Engineers, 1920 The author includes an outline of the progress made in protection of direct-current machinery from short circuits since the publication of a paper at Atlantic City on this subject. The improvements mentioned include the refinement and perfection in details of the flash barriers; a new design of high-speed circuit breaker for both direct-current ...
openaire +1 more source
Design of high-power intrinsically safe power supply based on fault current change rate
Gong-kuang zidonghua, 2021 In order to solve the problems of low output power, poor protection effect, and slow dynamic response speed of existing intrinsically safe power supply, a high-power intrinsically safe power supply based on fault current change rate is designed.
KANG Qian +3 more
doaj +1 more source