1 Introduction
2 Design Guidelines and Reference Machine
Parameter | Symbol | Value |
---|---|---|
No. of pole pairs | \(p\) | 3 |
Statorcore length | \(l_{\mathrm{Fe}}\) | 197 mm |
Stator outer diameter | \(D_{\mathrm{o1}}\) | 220 mm |
Stator inner diameter | \(D_{\mathrm{i1}}\) | 140 mm |
No. of slots | \(N\) | 54 |
No. of layers | \(n_{\mathrm{L}}\) | 8 |
No. of slots per pole and phase | \(q\) | 3 |
Relative permeability of magnetic sheet | \(\mu_{\mathrm{r}}\) | 1000 |
Electric conductivity of magnetic sheet | \(\kappa\) | \(1.68\,\text{M}\text{S}{\text{m}}^{-1}\) |
3 High Frequency Behaviour of Electrical Machines
4 Potential Differences of Hairpin Windings
4.1 General
4.2 Stator Core
4.3 End Winding Region
5 Shifting
6 Filtering Process
7 Comparison of Shifted and Unshifted Designs
Winding design | \(U_{\text{max,cc}}\) | \(U_{\text{max,cc,slot}}\) | \(U_{\text{max,cc,ew}}\) | \(U_{\text{max,cGND}}\) |
---|---|---|---|---|
WD1a3 reference | \(1241\,\text{V}\) | \(963\,\text{V}\) | \(1241\,\text{V}\) | \(1355\,\text{V}\) |
WD1a3 var.122 | \(1145\,\text{V}\) | \(740\,\text{V}\) | \(1145\,\text{V}\) | \(731\,\text{V}\) |
WD2a2 reference | \(1288\,\text{V}\) | \(911\,\text{V}\) | \(1289\,\text{V}\) | \(849\,\text{V}\) |
WD2a2 var.108 | \(1193\,\text{V}\) | \(828\,\text{V}\) | \(1193\,\text{V}\) | \(725\,\text{V}\) |