Appendix
A.3 Abbreviations
Power Module PM330
92
Hardware Installation Manual, 10/2016, A5E32844552B AD
Harmonic currents
Table A- 3
Typical harmonic currents of a 6-pulse rectifier with line reactor u
k
= 2 %
Typical harmonic current (% of rated input current) with line reactor u
K
2 %
Line supply with average, relative short-circuit power (RSC = 50), u
k
= 2 %, with line reactor u
k
= 2 %
h
1
5
7
11
13
17
19
23
25
THD(I)
I
h
100 %
37.1 %
12.4 %
6.9 %
3.2 %
2.8 %
1.9 %
1.4 %
1.3 %
40.0 %
Line supply with low relative short-
circuit power (RSC < 15): "Weak line supply", uk = 6 %, with
line reactor uk = 2 %
h
1
5
7
11
13
17
19
23
25
THD(I)
I
h
100 %
22.4 %
7.0 %
3.1 %
2.5 %
1.3 %
1.0 %
0.8 %
0.7 %
23.8 %
h: Harmonic order number
Note
Installation of Power Modules in an environment of category C2
Power Modules which are installed in an environment of category C2 require a connection
approval for the low-voltage supply system. Contact your local supply system operator in this
case.
A.2.3
EMC limit values in South Korea
The EMC limit values to be observed for South Korea correspond to the limit values of the
EMC product standard for variable-speed electric drives EN 61800-3 of Category C2 or the
limit value class A, Group 1 according to EN 55011. With suitable additional measures, the
limit values according to Category C2 or limit value class A, Group 1 are observed.
Additional measures, such as the use of an additional RFI suppression filter (EMC filter),
may be necessary. In addition, measures for EMC-compliant configuration of the plant are
described in this Manual and/or the Configuration Manual "EMC Installation Guidelines".
Please note that the final statement on compliance with the standard is given by the
respective label attached to the individual unit.
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