Results 31 to 40 of about 6,164 (167)
A magnetic isolation IGBT driver architecture with short circuit protection
Dianzi Jishu YingyongA magnetic isolation IGBT drive architecture with short circuit protection is designed in this paper. The architecture adopts transformer isolation, integrates desaturation detection circuit, Miller clamp circuit and soft turn-off.
Liu Jiajun +4 more
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Electromagnetic-force calculation and fault diagnosis of shell transformer under inter-turn short circuit [PDF]
AIP AdvancesAiming at the electromagnetic distribution law, winding mechanical response characteristics, and degree diagnosis of inter-turn short circuit fault locations of shell-type transformers under inter-turn short circuits, the research idea of “simulation ...
Duanjiao Li +5 more
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Analysis of Voltage Sag Due to Short Circuit on the Sub System in Central Sumatera
International Journal of Electrical, Energy and Power System Engineering, 2018 Power quality is closely related to electrical energy which is directly related to voltage and current interference. Electrical equipment used daily requires good power quality. The thing that affects the quality of the power is the voltage dip. Based on
Hamzah Eteruddin +2 more
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Experimental Methods and Equivalence Research on Inter-Turn Short Circuits in Power Transformers
EnergiesInter-turn short-circuit faults in power transformers generate enormous short-circuit currents within the affected turns, making full-scale experimental investigations impractical.
Xuelong Li +5 more
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Diagnosis winding short-circuit faults of power transformer
Global Journal of Computer Sciences: Theory and Research, 2018 Diagnostic goal of transformers in service is to detect the winding or the core in fault. Transformers are valuable equipment which makes a major contribution to the supply security of a power system. Consequently, it is of great importance to disequilibria the three phases courant of power transformers.
Rekik Badri, Labar Hocine
openaire +1 more source
Research of Aviation Electric Arc and Short Circuit Damage and Protection
Hangkong gongcheng jinzhan, 2020 Aviation electric arc and short circuit may lead to irreparable loss. It is of great significance to study the harm of aviation electric arc and short circuit and its protection measures.
CAO Tao
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Journal of Harbin University of Science and Technology, 2019 In order to study the change characteristics of electromagnetic torque in the transient process of stator internal short circuit fault, based on virtual work principle in dynamic, the electromagnetic torque of transient process after stator winding ...
CHEN Chao +3 more
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Zhejiang dianli, 2022 With the rapid development of the power grid， the overhigh short-circuit current becomes increasingly prominent， restricting the safe and stable power grid operation.
ZHOU Qiwen +5 more
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A Multi-Task Causal Knowledge Fault Diagnosis Method for PMSM-ITSF Based on Meta-Learning
SensorsIn the process of diagnosing the inter-turn short circuit fault of the joint permanent magnet synchronous motor of an industrial robot, due to the small and sparse fault sample data, it is easy to misdiagnose, and it is difficult to quickly and ...
Ping Lan +3 more
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Inter-turn Short-circuit Fault Diagnosis and Severity Estimation for Five-phase PMSM
CES Transactions on Electrical Machines and SystemsIn this article, an inter-turn short-circuit (ITSC) fault diagnosis and severity estimation method based on extended state observer (ESO) and convolutional neural network (CNN) is proposed for five-phase permanent magnet synchronous motor (PMSM) drives ...
Yijia Huang +3 more
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