Results 1 to 10 of about 248,129 (263)
Induction Motor Fault Diagnosis Based on Zero-Sequence Current Analysis [PDF]
Energies, 2020 This paper presents some considerations regarding the application of the stator zero-sequence current component (ZSC) in the fault detection of cage induction machines, including the effects of magnetic core saturation.
Arkadiusz Duda, Piotr Drozdowski
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Research of Zero Sequence Current of Parallel System of PWM Rectifier
Gong-kuang zidonghua, 2012 Taking two-level parallel system of PWM rectifier as example, the paper analyzed cause of zero sequence circulation in parallel module: the circulation is generated by difference of duty cycle of zero sequence current of two modules; generation of the ...
NI Shuai +3 more
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Restraint Scheme of Transformer Zero Sequence Differential Protection Based on Tanimoto Similarity
Zhongguo dianli, 2023 As one of the important transformer protections, zero sequence differential protection has the advantages of high sensitivity and strong anti-interference ability.
Jia ZHU +5 more
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Energies, 2022 In some key areas, fault-tolerant control is usually needed in order to enable the motor to operate continuously in fault mode. Given that it is difficult to detect the zero-sequence current of the open winding permanent magnet synchronous motor after ...
Kangfei Lv, Xinwei Dong, Cong Zhu
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Zero-Sequence Current in Cable Systems: A Study
Mansoura Engineering Journal, 2023 Large zero-sequence current is not a new phenomenon for cable bus duct systems; the question is what influences its magnitude. It was found that the zero-sequence currents were circulating between different circuits in the cable system and that they were being generated by induction between phases in the same cable route.
Shimaa A. F. Salem +2 more
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Unbalanced and Reactive Currents Compensation in Three-Phase Four-Wire Sinusoidal Power Systems
Applied Sciences, 2020 In an unbalanced linear three-phase electrical system, there are inefficient powers that increase the apparent power supplied by the network, line losses, machine malfunctions, etc.
Rafael Montoya-Mira +4 more
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IEEE Access, 2023 An improved modulation method is proposed for two parallel three-level interleaved rectifiers to reduce current harmonics and high-frequency zero-sequence circulating current, which uses sinusoidal pulse width modulation.
Yanfeng Li +3 more
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Modeling, design, and experimental test of a zero‐sequence current electromagnetic suppressor [PDF]
International Transactions on Electrical Energy Systems, 2020 This work has been supported by CNPq ‐ National Council for Scientific and Technological Development, by CAPES ‐ Coordinationfor the Improvement of Higher Education Personnel through the PDSE ‐ Doctoral Program Sandwich Abroad 7427‐12‐3, and by FCT ‐ Foundation for Science and Technology within the Project Scope: UID/CEC/00319/2019 and FCT within ...
Stefani Carolline Leal Freitas +5 more
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Energies, 2020 Through the analysis of the recovery inrush current generated by the external fault removal of the converter transformer, it is pointed out that the zero-sequence current caused by the recovery inrush may result in the saturation of the neutral current ...
Tao Zheng +4 more
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IET Renewable Power Generation, 2023 Single phase‐earth faults are the most frequent faults likely to occur but hard to identify in distribution system, especially in a neutral un‐effectively grounded system.
Hua Zhang +7 more
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