Supply Harmonic Analysis (Frame F Heavy Duty)
Assumptions: 10000A short circuit supply capability
where Q
impedance at 400V
the supply transformer. The results conform to stage 1, stage 2 and stage 3 of the
Engineering Recommendation G.5/3 September 1976, Classification 'C': Limits
for Harmonics in the UK Electricity Industry.
Fundamental
Voltage (V)
Inverter Type
Motor Power
30.0
(kW)
Typical
Motor
90
Efficiency %
Harmonic
No.
1
94.7
3
0.0
5
35.9
7
11.9
9
0.0
11
6.5
13
2.9
15
0.0
17
2.7
19
1.6
21
0.0
23
1.4
25
1.1
27
0.0
29
0.7
31
0.7
33
0.0
35
0.4
37
0.4
39
0.0
40
0.0
41
0.3
42
0.0
43
0.3
44
0.0
45
0.0
46
0.0
47
0.2
48
0.0
49
0.2
50
0.0
Total RMS
102.3
Current (A)
THD (V) %
1.33
650G AC Drive
, equivalent to 73H supply
is the rated rms value of the fundamental voltage of
1n
230
37.0
45.0
55.0
90
90
90
118.2
140.1
99.2
0.0
0.0
0.1
41.6
45.9
44.9
11.9
11.8
19.5
0.0
0.0
0.0
7.7
8.5
6.9
3.5
4.2
4.0
0.0
0.0
0.0
3.1
3.2
3.1
2.1
2.4
1.8
0.0
0.0
0.0
1.4
1.4
1.7
1.3
1.4
1.1
0.0
0.0
0.0
0.8
0.8
1.0
0.8
0.7
0.8
0.0
0.0
0.0
0.5
0.6
0.6
0.5
0.5
0.6
0.0
0.0
0.0
0.0
0.0
0.0
0.4
0.4
0.4
0.0
0.0
0.0
0.3
0.4
0.4
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.3
0.3
0.3
0.0
0.0
0.0
0.3
0.3
0.3
0.0
0.0
0.0
126.2
148.2
110.9
1.52
1.66
1.71
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Technical Specifications
THD(V) x 100
400
Three Phase
90.0
75.0
90.0
(150HP)
90
90
90
RMS Current (A)
132.1
152.1
156.6
0.1
0.1
0.0
53.4
57.8
58.9
19.5
19.1
19.0
0.0
0.0
0.0
9.0
10.0
10.3
4.3
4.6
4.7
0.0
0.0
0.0
3.9
4.2
4.3
2.2
2.6
2.7
0.0
0.0
0.0
2.0
2.1
2.1
1.5
1.7
1.7
0.0
0.0
0.0
1.1
1.1
1.1
1.0
1.1
1.1
0.0
0.0
0.0
0.6
0.7
0.7
0.6
0.7
0.7
0.0
0.0
0.0
0.0
0.0
0.0
0.4
0.5
0.5
0.0
0.0
0.0
0.4
0.4
0.4
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.3
0.4
0.4
0.0
0.0
0.0
0.3
0.3
0.3
0.0
0.0
0.0
144.3
164.3
168.9
1.98
2.12
2.15
9-27
h 2
Q
h 2
%
h 40
Q
1n
500
55.0
75.0
90.0
90
90
90
79.7
104.8
126.7
0.0
0.1
0.1
42.4
49.3
54.5
22.1
22.5
22.2
0.0
0.1
0.0
5.7
7.5
8.9
4.6
4.6
4.7
0.0
0.0
0.0
2.6
3.3
3.9
1.8
2.0
2.2
0.0
0.0
0.0
1.5
1.9
2.1
1.0
1.2
1.4
0.0
0.0
0.0
0.9
1.1
1.2
0.6
0.8
1.0
0.0
0.0
0.0
0.6
0.7
0.7
0.4
0.6
0.7
0.0
0.0
0.0
0.0
0.0
0.0
0.4
0.5
0.5
0.0
0.0
0.0
0.3
0.5
0.5
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.3
0.3
0.3
0.0
0.0
0.0
0.3
0.3
0.3
0.0
0.0
0.0
93.3
118.4
140.2
1.67
1.90
2.06