Electrical Insulation Stresses in PWM-Driven Electric Machines2 Februarie 2021

Ora: 18:00 (Romania)

With the application of wide bandgap power electronics in electric machine drive systems, engineers and researchers are concerned that the higher dv/dt rate will accelerate the degradation of the insulation system in variable speed drives. It is not well understood which part of the machine insulation should be strengthened and which part could be reduced. Thus, high precision modeling, simulation and test methods are needed to predict voltage stress and current distribution in machine windings to reach an optimal design to ensure the reliability within reasonable design margins.

This seminar will discuss the finite element modeling, mathematical modeling and experimental testing of the voltage stress and current distribution inside electric machine windings driven by PWM voltage excitations. Both the stranded random-wound windings and bar-wound windings will be used in the teaching demonstration. The voltage stress considered includes the voltage across individual turns, the voltage between any two turns, and the voltage between any turn and the stator ground wall during power electronics switching transients and steady state. The current distribution includes the currents in parallel wires and the current distribution within each conductor for the bar-wound winding case.

Link

 

How to Troubleshoot, Qualify and Quantify Noise, Vibrations and Sound Quality in the Rail Industry31 Martie 2021

Ora: 11:00 (Romania) This webinar is for acoustics and vibration teams working in railway industries, for part suppliers and OEMs. Based on test measurements and CAE simulations, this webinar will demonstrate how Ansys tools are used to troubleshoot, qualify... ...

Detalii
Ansys 2021 R1: Ansys Mechanical Update16 Martie 2021

Ora: 11:30 (Romania) Ansys 2021 R1 delivers cutting-edge improvements to Ansys Mechanical, including a wide range of new technologies and capabilities to equip engineers with easier workflows, speed development, enhance efficiency and increase reliability. Advancements in meshing, solvers and... ...

Detalii

Contactaţi-ne

tensor Tel/Fax: 021 444 23 78
Mobil: 0744 310 929
office[at]tensor.ro

© Copyright 2017 Tensor SRL. Toate drepturile rezervate. Design și programare Vectorpixel

RO EN