Parker AC30 - Harmonic Information - AC Supplied Inverters

Compliance C-30
AC30 series Variable Speed Inverter
Harmonic Information – AC Supplied Inverters
Supply Harmonic Analysis (Frame D - 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)
1.1
1.5
2.2
3.0
4.0
5.5
1.1
1.5
2.2
3.0
4.0
5.5
Typical Motor
Efficiency %
83
83
83
83
83
83
83
83
83
83
83
83
Harmonic No.
RMS Current (A)
Harmonic No.
RMS Current (A)
1
1.943
2.653
3.946
5.335
7.078
9.694
25
0.064
0.085
0.107
0.140
0.184
0.253
3
0.000
0.000
0.000
0.001
0.001
0.001
27
0.000
0.000
0.000
0.000
0.000
0.000
5
1.479
2.037
2.376
2.573
2.852
3.313
29
0.047
0.067
0.097
0.132
0.175
0.233
7
1.106
1.537
1.636
1.646
1.673
1.745
31
0.037
0.051
0.079
0.107
0.142
0.193
9
0.000
0.000
0.000
0.000
0.000
0.000
33
0.000
0.000
0.000
0.000
0.000
0.000
11
0.406
0.584
0.327
0.446
0.594
0.814
35
0.034
0.046
0.076
0.103
0.135
0.176
13
0.204
0.291
0.354
0.386
0.445
0.558
37
0.030
0.042
0.063
0.086
0.114
0.151
15
0.000
0.000
0.000
0.000
0.000
0.000
39
0.000
0.000
0.000
0.000
0.000
0.000
17
0.153
0.205
0.190
0.259
0.345
0.472
40
0.000
0.000
0.000
0.000
0.000
0.000
19
0.126
0.176
0.167
0.203
0.257
0.349
Total RMS
Current (A)
2.73
3.75
4.92
6.19
7.87
10.47
21
0.000
0.000
0.000
0.000
0.000
0.000
23
0.065
0.088
0.130
0.178
0.236
0.32
* THD (I) %
70.2
70.7
59.8
50.8
43.7
37.8
* (Total Harmonic Distortion)
THD(V) x 100



Q
Q
h
2
1
n
h
40

h
2
%