9-10
Technical Specifications
650V AC Drive
Supply Harmonic Analysis (230V unfiltered)
Assumptions:
(Short circuit fault to Neutral)
5kA short circuit supply capability at 230V 1
, equivalent to 146
H supply impedance
7.5kA short circuit supply capability at 230V 3
, equivalent to 56
H supply impedance
10
kA short circuit supply capability at 400V 3
, equivalent to 73
H supply impedance
THD(V) x 100
Q
Q
h2
1n
h 40
h 2
%
where Q
1n
is the rated rms value of the fundamental voltage of 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
.
Drive Type
650V
Motor Power (kW)
0.25
0.37
0.55
0.75
1.1
1.5
2.2
3.0
4.0
Fundamental Voltage (V)
230
230
230
230
230
230
230
230
230
Typical Motor Efficiency %
85
85
85
85
85
85
85
85
85
Harmonic No.
RMS Current (A)
1
1.3
2.0
2.9
3.9
5.7
7.8
TBA
TBA
TBA
3
1.3
1.9
2.9
3.8
5.5
7.4
5
1.2
1.9
2.7
3.5
5.0
6.7
7
1.1
1.7
2.5
3.1
4.4
5.4
9
1.1
1.6
2.2
2.7
3.7
4.6
11
1.0
1.4
1.9
2.2
2.9
3.4
13
0.8
1.2
1.6
1.6
2.1
2.3
15
0.7
1.0
1.3
1.2
1.4
1.4
17
0.6
0.8
1.0
0.8
0.8
0.7
19
0.5
0.7
0.7
0.4
0.4
0.3
21
0.4
0.5
0.5
0.2
0.2
0.4
23
0.3
0.3
0.3
0.2
0.3
0.4
25
0.2
0.2
0.1
0.2
0.3
0.4
27
0.1
0.1
0.1
0.2
0.3
0.3
29
0.1
0.1
0.1
0.2
0.2
0.2
31
0.0
0.1
0.1
0.1
0.1
0.1
33
0.0
0.1
0.1
0.1
0.1
0.2
35
0.0
0.1
0.1
0.1
0.1
0.2
37
0.1
0.1
0.1
0.1
0.1
0.1
39
0.0
0.1
0.1
0.1
0.1
0.1
40
0.0
0.0
0.0
0.0
0.0
0.0
Total RMS Current (A)
3.2
4.8
6.7
8.3
11.7
15.3
THD (V) %
0.5633
0.8016
1.0340
1.0944
1.4611
1.7778
Содержание AC650V Series
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