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24. TROUBLESHOOTING
~~~~~
24.5 Power harmonic guidelines (Japan)
H a m i c currents
generated
by h
inverter flow lo a power receiving
point
via a power transfomr. Since
t h e a s
outgokg harm& currents
affect other consumers,
the
power harmonic suppression
g u u i n e s
were
Ctstablkhed.
1)
"""""""' S d
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
w i l l
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.
2) 'speufic consumer guideline'
T.b(.
1
Uulmum
Value#
of
Outmlno
Harmonlc Currents
I
k
W Contract Power
W P a a r V a C a p e
- 0 v e r 2 3 r d
,~
1 7 ~ 1
I I H I
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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