Results 241 to 250 of about 204,972 (289)

Downregulation of ClC-3 chloride channels in dorsal root ganglia neurons contributes to bone metastasis-induced pain. [PDF]

J Biol Chem
Zhang ZX, Qiu YS, Yin XZ, Xi J, You Q, Xu G, Guan JZ.   +6 more
europepmc   +1 more source

High-Vacuum Tribological Behaviors of Wear-Resistant WC/a-C:H Coatings with Strong Adhesion on Zirconia. [PDF]

Materials (Basel)
Li Z, Li L, Zhang H, Shao S, Zhai C, Shang L, Zhang G, Xu M.   +7 more
europepmc   +1 more source

Bioinspired twist-hyperbolic metamaterial for impact buffering and self-powered real-time sensing in UAVs. [PDF]

Sci Adv
Chao X, Hu H, Lin J, Ge X, Wang Y, Xie L, Hu B, Meng L, Yu S, Liang F, Qi L, Wang ZL.   +11 more
europepmc   +1 more source

Magnetically Responsive Piezoelectric Nanocapacitors Enhance Neural Recovery Following Spinal Cord Injury via Targeted Spinal Magnetic Stimulation. [PDF]

Adv Sci (Weinh)
Xiao Z, Li T, Zhang L, Xia C, Su Z, Ren X, Fan Y, Wu Z, Liu Y, Su M.   +9 more
europepmc   +1 more source

Consumed by Abdominal Distention

Arthritis Care &Research, EarlyView.
Abimbola Fadairo‐Azinge, James Grenert, Brian Haas, Mary Margaretten   +3 more
wiley   +1 more source

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Modeling of Bearing Voltage in Electric Machines Based on Electromagnetic FEA and Measured Bearing Capacitance

IEEE Transactions on Industry Applications, 2021
Bearing voltages and associated bearing currents in electric machines driven by pulsewidth modulation converters with high switching frequencies and high $dv/dt$ can cause premature bearing failures. This article proposes a new modeling approach for the prediction of steady-state and transient bearing voltages based on two-dimensional (2-D ...
Peng Han, Greg Heins, Dean Patterson, Mark Thiele, Dan M. Ionel   +4 more
openaire   +1 more source

Characteristics of Shaft Voltage and Bearing Currents

IEEE Industry Applications Magazine, 1997
This article reviews investigations into reduced bearing life due to voltage source adjustable speed drive (ASD) AC motor operation. Relevant bearing failure mechanisms and indicators are discussed. dv/dt and electric discharge machining (EDM) contributions are discussed and experimental data presented showing the voltage levels on motor shafts when ...
Dave Busse, Jay Erdman, Russ Kerkman, Dave Schlegal, Gary Skibinski   +4 more
openaire   +1 more source

Research of bearing voltage and bearing current in induction motor drive system

2016 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC), 2016
To solve bearing electric corrosion of motor drive system, the mechanism of bearing voltage and bearing current is studied. To validate the mechanism, the motor driven by high frequency PWM pulse system is established. The model of drive system based on MATLAB/SIMULINK is introduced.
Zhuxia Fan, Yongjian Zhi, Bingquan Zhu, Guanglin Yan, Yu Shi   +4 more
openaire   +1 more source

Frequency-Dependent Bearing Voltage Model for Squirrel-Cage Induction Motors

IEEE Transactions on Industrial Electronics, 2022
This work describes a frequency-dependent bearing voltage model for squirrel-cage induction motors. Previous researches related to bearing voltages commonly considered the bearing voltage ratio (BVR) as a constant. However, it is important to analyze the frequency-dependent behavior of BVR when dealing with systems excited by high switching frequency ...
Manje Yea, Jingook Kim, Ki Jin Han
openaire   +2 more sources