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INVT CHV160A Series - Page 38

INVT CHV160A Series
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C.TY TNHH TỰ ĐỘNG HÓA VIỆT TRUNG 02413.281.181-
0989.984.666
Website:www.viet-trung.com.vn Đ/c:194-Nguyễn Trãi-Võ Cường-
TP.Bắc Ninh
interference
source
but
also
an
electromagnetic
receiver.
The
operating
principle
of
inverter
determines
that
it
can
produce
certain
electromagnetic
interference
noise.
And
22
DIEN DAN BIEN TAN HTTP://BIENTAN.HNSV.COM
CHV160A
series
special
inverter
for
water
supply
the
same
time
inverter
should
be
designed
with
certain
anti-jamming
ability
to
ensure
the
smooth
working
in
certain
electromagnetic
environment.
The
following
is
its
EMC
features:
Input
current
is
non-sine
wave.
The
input
current
includes
large
amount
of
high-harmonic
waves
that
can
cause
electromagnetic
interference,
decrease
the
grid
power
factor
and
increase
the
line
loss.
Output
voltage
is
high
frequency
PMW
wave,
which
can
increase
the
temperature
rise
and
shorten
the
life
of
motor.
And
the
leakage
current
will
also
increase,
which
can
lead
to
the
leakage
protection
device
malfunction
and
generate
strong
electromagnetic
interference
to
influence
the
reliability
of
other
electric
devices.
As
the
electromagnetic
receiver,
too
strong
interference
will
damage
the
inverter
and
influence
the
normal
using
of
customers.
In
the
system,
EMS
and
EMI
of
inverter
coexist.
Decrease
the
EMI
of
inverter
can
increase
its
EMS
ability.
4.6.3
EMC
Installation
Guideline
In
order
to
ensure
all
electric
devices
in
the
same
system
to
work
smoothly,
this
section,
based
on
EMC
features
of
inverter,
introduces
EMC
installation
process
in
several
aspects
of
application
(noise
control,
site
wiring,
grounding,
leakage
current
and
power
supply
filter).
The
good
effective
of
EMC
will
depend
on
the
good
effective
of
all
of
these
five
aspects.
4.6.3.1
Noise
control

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