
90-1
90.1 Introduction
Electromagnetic compatibility (EMC) is crucial to successful operation of industrial systems. Due to the
increased electronic content of most industrial controls, electromagnetic interference (EMI) problems
ha
ve
in
creased
dr
amatically
in re
cent
ye
ars
. Tw
o
ke
ys
to EM
C
su
ccess
ar
e
gr
ounding
an
d
sh
ielding
. i
s
se
ction
wi
ll
br
iey
di
scuss
ho
w
to im
plement
th
ese
tw
o
cr
ucial
EM
C
st
rategies
. It wi
ll
al
so
pr
ovide
a
ge
neral
in
troduction
to EM
I
pr
oblems
in tod
ay’s
in
dustrial
el
ectronic
sy
stems
. e pr
imary
em
phasis
wi
ll
b
e
o
n
p
ractical
i
nsights
a
nd
i
deas
g
ained
i
n
d
ealing
w
ith
n
umerous
i
ndustrial
c
ontrol
p
roblems
.
90.2 Understa ...