Results 11 to 20 of about 55,867 (251)

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.
Jiaojiao Ma, Yujian Xue, Qingkai Han, Xuejun Li, Changxin Yu   +4 more
doaj   +2 more sources

Research on Analysis and Suppression Methods of the Bearing Current for Electric Vehicle Motor Driven by SiC Inverter

Energies
The silicon carbide (SiC) inverter brings great advantages to the motor drive systems of new energy vehicles; however, severe challenges to the bearings also happen.
Mingliang Yang, Yuan Cheng, Bochao Du, Yukuan Li, Sibo Wang, Shumei Cui   +5 more
doaj   +2 more sources

Influence of the Shielding Winding on the Bearing Voltage in a Permanent Magnet Synchronous Machine [PDF]

Energies, 2022
This article presents selected methods of limiting the bearing voltages of synchronous machines with permanent magnets supplied from power electronic converters.
Sebastian Berhausen, Tomasz Jarek, Petr Orság   +2 more
doaj   +2 more sources

Effects of Direct Torque Control Switching Strategies on Common Voltage and Bearing Current [PDF]

Journal of Intelligent Procedures in Electrical Technology, 2012
Bearing current sininduction motorsare considered a sone of the most damaging factors. Induced shaft voltage through the parasitic capacitors cause this type of current.
Mohammad Taghi Sadeghzadeh, Gholam Reza Arab, Amir Hossein Mirzaian, Seyed Mohammad Madani   +3 more
doaj   +1 more source

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

Augmenting forearm crutches with wireless sensors for lower limb rehabilitation [PDF]

, 2010
Forearm crutches are frequently used in the rehabilitation of an injury to the lower limb. The recovery rate is improved if the patient correctly applies a certain fraction of their body weight (specified by a clinician) through the axis of the crutch ...
Christian Peters, Merrett, Geoff V., Hallett, Georgina, Neil M White, Ettabib, Mohamed A., White, Neil M., Geoff V Merrett, Mohamed A Ettabib, Peters, Christian, Georgina Hallett   +9 more
core   +1 more source

Dynamic Coefficients Identification of Water-Lubricated Hybrid Bearings Used in High-Speed Spindles with Different Excitation Methods

Shock and Vibration, 2017
Rotor stability and rotation accuracy, which are highly dependent on the dynamic coefficients of supporting hybrid bearings, are two important issues of high-speed water-lubricated spindles.
Lin Wang, Xianzhi Xiong, Hua Xu
doaj   +1 more source

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   +1 more source

Experimental Assessment of High Frequency Bearing Currents in an Induction Motor Driven by a SiC Inverter

IEEE Access, 2021
Compared with silicon (Si) IGBTs, silicon carbide (SiC) MOSFETs have much faster switching speeds and high switching frequency operation capability, enabling compact and high-efficiency motor drive systems.
Yipu Xu, Yan Liang, Xibo Yuan, Xiaojie Wu, Yan Li   +4 more
doaj   +1 more source

Performance of common-mode chokes [PDF]

, 2010
A low-cost method for experimental investigation of common-mode chokes for reducing high-frequency motor ground-currents of inverter-based drive systems of several hundred kW is presented.
Heng, Bee See, Muetze, Annette
core   +1 more source