Parker AC30 series - Page 259

C-27 Compliance
AC30V series Variable Speed Drive
Supply Harmonic Analysis (Frame E - Normal Duty)
Assumptions: Rsce = 120 at 400V where Q
1n
is the rated rms value of the fundamental voltage of the supply
transformer. The results conform to IEC61000-3-12:2011.
Fundamental Voltage (V)
400
Drive Type Three Phase
Motor Power
(kW)
7.5 11
7.5 11
Typical Motor
Efficiency %
83 86 83 86
Harmonic No.
RMS Current (A)
Harmonic No.
RMS Current (A)
1
12.801
18.703
25
0.306
0.484
3
0.002
0.002
27
0.000
0.000
5 5.284 6.467 29 0.295 0.448
7
3.010
3.425
31
0.234
0.370
9
0.000
0.000
33
0.000
0.000
11
1.065
1.571
35
0.224
0.338
13
0.769
1.078
37
0.185
0.290
15
0.000
0.000
39
0.000
0.000
17
0.604
0.909
40
0.000
0.000
19
0.433
0.669
Total RMS
Current (A)
14.27 20.24
21
0.000
0.000
23
0.406
0.616
* THD (I)%
44.2
38.2
* (Total Harmonic Distortion)
THD(V) x 100
=
=
∑
Q
Q
h
2
1
n
h
40
=
h
2
%
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