Inverter-Fed Motor Drive System: A Systematic Analysis of Condition Monitoring and Practical Diagnostic Techniques

MU Sardar, T Vaimann, L Kütt, A Kallaste, B Asad… - Energies, 2023 - mdpi.com
Due to their efficiency and control capabilities, induction motors fed with inverters have
become prevalent in various industrial applications. However, ensuring the reliable …

A review of modeling and mitigation techniques for bearing currents in electrical machines with variable-frequency drives

W Zhu, D De Gaetano, X Chen, GW Jewell, Y Hu - IEEE Access, 2022 - ieeexplore.ieee.org
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 …

Bearing current and shaft voltage in electrical machines: a comprehensive research review

KB Tawfiq, M Güleç, P Sergeant - Machines, 2023 - mdpi.com
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 …

Calculation of parasitic capacitance to analyze shaft voltage of electric motor with direct-oil-cooling system

CH Kim, SB Jun, HJ Yoon, NH Kim, HC Jung, RE Kim… - Processes, 2022 - mdpi.com
In modern electric vehicles, electrical failure has become a critical problem that reduces the
lifetime of traction motors. Moreover, traction motors with high-voltage and high-speed …

Inverter-Induced bearing currents: a thorough study of the cause-and-effect chains

MTA Êvo, AM Alzamora, IO Zaparoli… - IEEE Industry …, 2022 - ieeexplore.ieee.org
In the last three decades, the study of inverter-induced bearing currents has become a very
important line of research, and hundreds of works related to this theme can be found in the …

Simulation of the Circulating Bearing Currents for Different Stator Designs of Electric Traction Machines

Y Tombul, P Tillmann, J Andert - Machines, 2023 - mdpi.com
Pulse–width modulated inverters are commonly used to control electrical drives, generating
a common mode voltage and current with high–frequency components that excite the …

Novel stator slot opening to reduce electrical machine bearing currents

D De Gaetano, W Zhu, X Sun, X Chen… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Ball bearings are largely used in electrical machines, where high-frequency common-mode
currents affect their lifetime. This document presents a novel zig-zag stator slot opening (SO) …

Numerical computation of parasitic slot capacitances in electrical machines

JER Sarrió, C Martis… - … Conference and Exposition …, 2020 - ieeexplore.ieee.org
Parasitic capacitive couplings in the machine slots act as an undesired leakage current path.
This paper presents a method to compute lumped capacitance values and their distribution …

[PDF][PDF] High-frequency modelling of rotating electrical machines

JE Ruiz-Sarrió - 2022 - doctorat.utcluj.ro
The usage of variable frequency drives for rotating electrical machine operation is a
standard technique for supply and control. However, high switching frequencies and voltage …

[图书][B] On the accuracy of impedance measurements and the influence of fixturing

BT DeBoi - 2019 - search.proquest.com
Making accurate impedance measurements is a necessity when developing models for
modern power electronics systems. Creating models of power electronic circuits involving …