Abbreviations |
AConductor,Litz |
= |
total conductor cross section of litz wire |
Ages,Litz |
= |
total cross section of litz wire |
ODLitz |
= |
outer diameter of litz wire |
ODBundle |
= |
outer diameter of bundle |
nsw |
= |
number of single wires |
Øsw |
= |
nominal diameter of single wire |
VF |
= |
bunching factor |
SL |
= |
length of lay (bunching length) |
SR |
= |
pitch (bunching) direction |
RDC |
= |
DC resistance |
RAC |
= |
AC resistance |
f |
= |
frequency |
ρ |
= |
specific resistance of conductor |
µO |
= |
permeability of free space |
δ |
= |
skin depth |
J |
= |
current density |
UBDV |
= |
breakdown voltage |
b |
= |
width of winding window |
h |
= |
height of winding window |
NW,tot |
= |
total number of windings |
NL |
= |
number of winding layers |
NW,L |
= |
number windings per layer |
FillLitz |
= |
copper filling factor of litz wire |
FillWin |
= |
copper filling factor of winding window |
ne |
= |
recommended total number of single wires |
n1,max |
= |
number of single wires of basic bundle in 1st bunching step |
k |
= |
constant according Ch. R. Sullivan |