Results 1 to 10 of about 20,332,447 (330)

Motor Bearing Damage Induced by Bearing Current: A Review

Machines, 2022
The occurrence of the motor shaft voltage and bearing current caused by the inverter will aggravate bearing damage and lead to the premature failure of bearings.
Xuejun Li, Jiaojiao Ma
exaly   +6 more sources

Bearing Current and Shaft Voltage in Electrical Machines: A Comprehensive Research Review

Machines, 2023
The reliability assessment of electric machines plays a very critical role in today’s engineering world. The reliability assessment requires a good understanding of electric motors and their root causes.
Kotb B. Tawfiq, Mehmet Güleç, Peter Sergeant   +2 more
doaj   +2 more sources

Review on Tribological and Vibration Aspects in Mechanical Bearings of Electric Vehicles: Effect of Bearing Current, Shaft Voltage, and Electric Discharge Material Spalling Current

Lubricants
Electric motors play a decisive role in electric vehicles by converting electrical energy into mechanical motion across various drivetrain components.
Rohan Lokhande, Sitesh Kumar Mishra, Deepak Ronanki, Piyush Shakya, Vimal Edachery, Lijesh Koottaparambil   +5 more
doaj   +2 more sources

Current-carrying friction in carbon coated ball bearing

Friction, 2023
In this work, we proposed a method for coating the whole surfaces of bearing balls uniformly by carbon film with a rotatable ball clamp. We studied the carbon/carbon friction with a self-designed current-carrying ball bearing friction test system.
Peidong Xue, Cheng Chen, Xue Fan, Dongfeng Diao   +3 more
doaj   +2 more sources

Novel Bearing Current Suppression Approach in Doubly-Fed Induction Generators

IEEE Access, 2019
Doubly-fed induction generators (DFIGs) are widely used in the wind power generation systems. However, due to the use of the power electronic devices, such as insulated gate bipolar transistor (IGBT), it is inevitable to generate a non-zero common mode ...
Ruifang Liu, Erle Yang, Jiayao Chen, Shuangxia Niu   +3 more
doaj   +2 more sources

Current-Based Bearing Fault Diagnosis Using Deep Learning Algorithms

Energies, 2021
Artificial intelligence algorithms and vibration signature monitoring are recurrent approaches to perform early bearing damage identification in induction motors.
Andre S. Barcelos, Antonio J. Marques Cardoso   +1 more
doaj   +2 more sources

Comprehensive Review of Bearing Currents in Electrical Machines: Mechanisms, Impacts, and Mitigation Techniques

Energies
The present paper deals with a review on bearing currents in electrical machines, with major emphasis on mechanisms, impacts, and mitigation strategies.
Tianyi Pei, Hengliang Zhang, Wei Hua, Fengyu Zhang   +3 more
doaj   +2 more sources

A Review of Modeling and Mitigation Techniques for Bearing Currents in Electrical Machines With Variable-Frequency Drives

IEEE Access, 2022
The converter switching in variable-frequency drives can generate high frequency common mode voltage between the machine winding and the converter ground, leading to high frequency parasitic currents which can flow through the machine bearings unless ...
Wenjun Zhu, Daniele De Gaetano, Xiao Chen, Geraint Wyn Jewell, Yihua Hu   +4 more
doaj   +1 more source

The effect of end windings and the bearing labyrinth seals on stray capacitances and bearing voltage ratio of AC motors

IET Electric Power Applications, 2022
The bearing voltage brings premature failure of the motor bearings in the subway traction system, which is related to the stray capacitance of the motor.
Ruifang Liu, Qinqin Wang, Danan Sun, Xiaoji Huai   +3 more
doaj   +1 more source

Electrostatic discharge impacts on the main shaft bearings of wind turbines [PDF]

Wind Energy Science, 2023
This paper studies the electrostatic discharge effect in wind turbines, a possible trigger source of the main bearing current. A lab setup with a charge generator and downsized wind turbine was built to verify the impact of electrostatic discharge on the
J. Zhao, X. Xu, O. Carlson
doaj   +1 more source