Hybrid Analytical Model for AC Copper Loss Computation of Hairpin Winding

This article proposes a hybrid analytical model (HAM) for predicting ac copper losses in hairpin windings. The HAM combines the nonlinear semi-analytical model (SAM) and the 1-D ac copper loss computation model to solve the inaccurate boundary solutions of the 1-D ac copper loss computation model when magnetic saturation occurs in the stator...

Mitigating Cut Losses in Interdigitated Back Contact Solar Cells

The edge recombination losses of crystalline silicon solar cells become significant when they are cut into smaller pieces to be assembled into modules. With the interdigitated pattern of doped p and n regions on the rear side, the interdigitated back contact (IBC) solar cells can be cut through different doped regions. In this study, the...

Dielectric Loss Measurements at Sub-K Temperatures and Terahertz Frequencies

On-chip spectrometers, such as DESHIMA and SuperSpec, require transmission lines with very low loss of tanδ < 10^-4 to achieve sufficient system efficiency. Transmission lines with higher loss would introduce too much signal attenuation in the line from antenna to filter and in the filters themselves. Data regarding the losses of...

Permanent magnet synchronous generator (PMSG) to use on board of yachts

This project is part of the project “GenPowerBox”; this is a project of the company Mastervolt, realized by Whisper Power. The objective of this project is to develop a compact and noiseless energy management system for use on board of yachts. The “GenPowerBox” system is composed of a battery and a generator set; consisting of a diesel engine...