
Contactless Energy Transfer 35-11
35.6 CET Systems with Sliding Transformers
e contactless electrical energy delivery systems used in long distance are based on sliding transformers
w
ith
l
ong
p
rimary
w
indings
[
4,22,24].
B
asically,
t
wo
c
ongurations
a
re
a
pplied:
p
rimary
w
inding
f
orm-
ing
e
longated
l
oop
a
s
l
ong
a
s
r
ange
o
f
r
eceiver
m
ovement
i
s
r
equired
(
Figure
3
5.9a)
o
r
c
ircular
f
orm
f
or
c
ircular
m
ovement
(
Figure
3
5.9b).
e
o
utput
c
onverter(s)
a
nd
l
oad(s)
a
re
d
irectly
c
onnected
to
s
econd-
ary winding placed on movable magnetic core.
e
s
liding
m
agnetic
c
ore
c
onstructions
e
nable
m
ovement
o
f
s
econdary
w
inding
a
long
t
he
p
rimary
w
inding
l
oop
(
Fig