Supply Harmonic Analysis (230V unfiltered)
Drive Type
Motor Power (kW)
Fundamental Voltage (V)
Typical Motor Efficiency %
Harmonic No.
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
40
Total RMS Current (A)
THD (V) %
Assumptions:
(Short circuit fault to Neutral)
5kA short circuit supply capability at 230V 1, equivalent to 146H supply impedance
7.5kA short circuit supply capability at 230V 3, equivalent to 56H supply impedance
10
kA short circuit supply capability at 400V 3, equivalent to 73H supply impedance
THD(V) x 100
where Q
is the rated rms value of the fundamental voltage of the supply transformer.
1n
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
0.25
0.37
230
230
85
85
1.3
2.0
1.3
1.9
1.2
1.9
1.1
1.7
1.1
1.6
1.0
1.4
0.8
1.2
0.7
1.0
0.6
0.8
0.5
0.7
0.4
0.5
0.3
0.3
0.2
0.2
0.1
0.1
0.1
0.1
0.0
0.1
0.0
0.1
0.0
0.1
0.1
0.1
0.0
0.1
0.0
0.0
3.2
4.8
0.5633
0.8016
1.0340
Technical Specifications
h 2
Q
h 2
%
h 40
Q
1n
650
0.55
0.75
1.1
230
230
230
85
85
85
RMS Current (A)
2.9
3.9
5.7
2.9
3.8
5.5
2.7
3.5
5.0
2.5
3.1
4.4
2.2
2.7
3.7
1.9
2.2
2.9
1.6
1.6
2.1
1.3
1.2
1.4
1.0
0.8
0.8
0.7
0.4
0.4
0.5
0.2
0.2
0.3
0.2
0.3
0.1
0.2
0.3
0.1
0.2
0.3
0.1
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.0
0.0
0.0
6.7
8.3
11.7
1.0944
1.4611
.
1.5
2.2
3.0
230
230
230
85
85
85
7.8
TBA
TBA
7.4
6.7
5.4
4.6
3.4
2.3
1.4
0.7
0.3
0.4
0.4
0.4
0.3
0.2
0.1
0.2
0.2
0.1
0.1
0.0
15.3
1.7778
650 Series AC Drive
9-10
4.0
230
85
TBA