C-31
Compliance
AC30V series Variable Speed Drive
Supply Harmonic Analysis (Frame G - 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)
22
30
37
22
30
37
Typical Motor
Efficiency %
83
83
83
83
83
83
Harmonic No.
RMS Current (A)
Harmonic No.
RMS Current (A)
1
36.282
49.540
60.995
25
0.930
1.225
1.583
3
0.003
0.001
0.005
27
0.001
0.000
0.000
5
12.848
18.710
20.966
29
0.869
1.162
1.468
7
6.908
10.274
11.144
31
0.712
0.940
1.211
9
0.000
0.000
0.001
33
0.001
0.001
0.001
11
3.072
4.174
5.167
35
0.657
0.882
1.110
13
2.108
2.893
3.533
37
0.557
0.739
0.946
15
0.000
0.000
0.000
39
0.001
0.001
0.001
17
1.769
2.382
2.987
40
0.000
0.000
0.000
19
1.288
1.712
2.188
Total RMS
Current (A)
39.473
54.33
65.95
21
0.000
0.000
0.000
23
1.196
1.604
2.020
* THD
(I
) %
45.72
47.43
43.22
* (Total Harmonic Distortion)
THD(V) x 100
Q
Q
h2
1n
h 40
h 2
%
