Results 211 to 220 of about 3,893,066 (230)

Poly(phenylacetylene)s bearing thianthrene groups as high-voltage organic cathode materials for lithium batteries

, 2020
Thianthrene-containing acetylenic monomers, thianthrene-1-ylmethyl 4-ethynylbenzoate (M1) and bis(thianthrene-1-ylmethyl)-4-ethynylphthalate (M2) were synthesized and polymerized with [(nbd)RhCl]2/Et3N catalyst to give polymers P1 and P2 with high ...
Juntao Ren, Xu-Xu Wang, Heng Liu, Yanming Hu, Xue-Quan Zhang, T. Masuda   +5 more
semanticscholar   +1 more source

Experimental Investigation of Bearing Currents in Low Voltage Motors

International Conference on Electrical Machines, 2018
This paper deals with bearing currents phenomena in general and specifically for capacitive bearing currents in low voltage motors. With the technological advances in the automation field, new problems have also surfaced and bearing currents in small ...
K. Khan, F. Gyllensten
semanticscholar   +1 more source

Proposing the New Layered-Shield Structure for Shaft Voltage Reduction in IPMSM

IEEE Transactions on Transportation Electrification
As the era of electrification advances, the demand for increased power density and high efficiency in electric motors, such as those in electric vehicles (EVs) and e-mobility, has been rising.
Jun-Hyeok Heo, Jun-Kyu Kang, Jun-Hyuk Im, Jin Hur   +3 more
semanticscholar   +1 more source

Overview of shaft voltage and bearing current mitigation methods applied on the victim machine

Electrical Engineering, 2023
Adisu Teshale, Getachew Biru
semanticscholar   +1 more source

Electric damage of bearing under AC shaft voltage at different rotation speeds

Tribology International, 2022
Kai Niu, Chen-Fei Song, Lou Zhihao, Xian-Juan Pang, Huan-Huan Lu, Du Sanming, Yong-Zhe Zhang   +6 more
semanticscholar   +1 more source

Voltage-Assisted Tribofilm Formation of Sulfur- and Phosphorus-Free Organic Molybdenum Additive on Bearing Steel Surfaces in Industrial Base Oils

Tribology letter, 2022
Chenxu Liu, Weizi Li, Chuke Ouyang, Yu Tian, Y. Meng   +4 more
semanticscholar   +1 more source

A Novel Nonintrusive Measurement Method of Bearing Currents in Inverter-Fed Motors

IEEE Sensors Journal
Electrical erosion caused by bearing currents is one of the main reasons for bearing failure in inverter-fed motors. The research of nonintrusive measurement of bearing currents contributes to risk assessment and early warning of bearing electrical ...
Zhihao Li, Rui-Fang Liu, Yali Hao, Da-Yong Zheng, Jun-Feng Gui   +4 more
semanticscholar   +1 more source

Development of a Noncontact Measurement Setup for the Evaluation of Bearing Voltages

IEEE Sensors Journal
The damage resulting from bearing voltages is a major cause of premature machine failures. The necessary measurements at the system level and installed conditions can be difficult to perform with conventional measurement systems.
Daniel Proksch, Tobit Salat, Lennart Kopp, Jens Krotsch, Markus Kley   +4 more
semanticscholar   +1 more source

Analysis of Bearing Voltage on EMU Traction Motors and Evaluation of Insulated Bearings Performance

Lecture Notes in Electrical Engineering, 2023
Ruifang Liu
exaly  

High-Frequency Induction Machine Modeling for Common Mode Current and Bearing Voltage Calculation

IEEE transactions on industry applications, 2014
O. Magdun, A. Binder
semanticscholar   +1 more source