Parker AC30 series - Page 222

C-31 Compliance
AC30V series Variable Speed Drive
Supply Harmonic Analysis (Frame H - 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)
45 55 75
45 55 75
Typical Motor
Efficiency %
90 90 90
90 90 90
Harmonic No.
RMS Current (A)
Harmonic No.
RMS Current (A)
1
74.18
90.65
123.60
25
1.91
2.35
3.21
3
0.00
0.00
0.00
27
0.00
0.00
0.00
5
26.01
31.14
42.31
29
1.78
2.18
2.98
7
13.92
16.54
22.41
31
1.46
1.80
2.46
9
0.00
0.00
0.00
33
0.00
0.00
0.00
11
6.28
7.68
10.47
35
1.34
1.65
2.25
13
4.30
5.25
7.16
37
1.14
1.41
1.92
15
0.00
0.00
0.00
39
0.00
0.00
0.00
17
3.62
4.44
6.05
40
0.00
0.00
0.00
19
2.64
3.25
4.44
Total RMS
Current (A)
80.43
98.00
133.56
21
0.00
0.00
0.00
23
2.45
3.01
4.10
* THD (I) %
41.89
41.08
40.93
* (Total Harmonic Distortion)
THD(V) x 100
=
=
∑
Q
Q
h
2
1
n
h
40
=
h
2
%
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