24.
TROUBLESHOOTING
~~~~~
24.5
Power harmonic guidelines (Japan)
Hamic
currents
generated
by
h
inverter flow
lo
a power receiving
point
via a power transfomr.
Since
theas
outgokg
harm& currents
affect
other consumers,
the
power harmonic
suppression
guuines
were
Ctstablkhed.
1)
"""""""'Sd
appliance
and
genend-purpase product guideline'
2OOV
class
Inve~ers of
3.W
and
kss
are
covered by this guideline. Install
a
power factor improving
reactor to compiy
with
this
guideline.
This guideline sets forth the maximum
values
of
harmonic
currents
outgoing from
a
high-voitage or very
high-vottage consumer who
will
install, add or renew harmonic generating equpment. If any of the
max-
imum values is
exceeded,
this guideline requires that conwmer
lo
take
certain
srppression measures.
4
2)
'speufic
consumer guideline'
n
T.b(.
1
Uulmum
Value#
of
Outmlno
Harmonlc Currents
IkW
Contract
Power
WPaarVaCape
-0ver23rd
,~
17~1
IIHI
m
5th
~~ ~
&6kV
=V
331rV
3.5
0.24
0.26
0.32
0.35
0.46
0.55
0.86
1.2
0.36
0.38
0.47
0.53
0.89
0.82
1.3
I
.e
0.70
0.76
0.9
1.0
1.3
1.6 2.5
(1)
Application
of
the
speafic
consumer guideline
I
New
InstdlatidddiWrenewal
01
equipment
1
1
Not
more
re4eru-m
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