Skip to Main Content
Power Electronics and Motor Drives
book

Power Electronics and Motor Drives

by Bogdan M. Wilamowski, J. David Irwin
October 2018
Intermediate to advanced content levelIntermediate to advanced
1015 pages
40h 24m
English
CRC Press
Content preview from Power Electronics and Motor Drives
Thermal Effects 8-11
the impregnation process. If the equivalent thermal conductivity k
cu,ir
is
k
nown,
t
he
t
hermal
r
esistance
b
etween
t
he
w
inding
a
nd
t
he
s
tator
l
ami-
nations
c
an
b
e
c
omputed
u
sing
t
he
e
quation
r
eported
i
n
p
revious
s
ection.
W
hen
t
he
s
lot
ll
f
actor
k
f
, the slot area A
slot
[cm
2
], and axial core length
L
core
[cm] are known, the following relation can be used as a reasonable
s
tarting value:
k k A L
cu,ir f slot core
( )=
0 2749 1
0 4471
.
.
(
8.14)
e
q
uantity
i
nside
t
he
s
quare
b
racket
r
epresents
t
he
a
vailable
n
et
v
olume
i
nside
t
he
s
lot
f
or
t
he
w
ire/slot
i
nsulation
a
nd
t
he
i
mpregnation.
R
easonable values to be used are in the ra ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Electric Motors and Drives

Electric Motors and Drives

Austin Hughes

Publisher Resources

ISBN: 9781439802861