Parker AC30 - Page 249

Compliance C-36
AC30 series Variable Speed Inverter
Supply Harmonic Analysis (Frame K - 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)
160
200
250
160
200
250
Typical Motor
Efficiency %
93
93
93
93
93
93
Harmonic No.
RMS Current (A)
Harmonic No.
RMS Current (A)
1
255
318
397
25
7.0
9.0
11.6
3
0
0
0
27
0
0
0
5
76.7
88.5
103
29
6.3
8.0
10.1
7
39.0
44.9
53.0
31
5.3
6.8
8.7
9
0
0
0
33
0
0
0
11
21.9
27.4
34.4
35
4.7
6.0
7.6
13
14.9
19.1
24.5
37
4.1
5.3
6.7
15
0
0
0
39
0
0
0
17
12.8
16.2
20.5
40
0
0
0
19
9.6
12.5
16.1
Total RMS
Current (A)
278
342
418
21
0
0
0
23
8.7
11.0
14.0
* THD (I) %
36.5
34.1
32.3
* (Total Harmonic Distortion)
THD(V) x 100



Q
Q
h
2
1
n
h
40

h
2
%