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9-18
Technical Specifications
650V AC Drive
Supply Harmonic Analysis (Frame D Heavy Duty)
Assumptions: 10000A short circuit supply capability
, equivalent
to 73
µ
H supply impedance at 400V
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.
THD(V) x 100
=
=
∑
Q
Q
h2
1n
h 40
=
h 2
%
Fundamental
Voltage (V)
230
400
500
Inverter Type
Three Phase
Motor Power
(kW)
11.0
15.0
18.0
15.0
18.0
22.0
30.0
15.0
18.0
22.0
30.0
Typical
Motor
Efficiency %
90
90
90
90
90
90
90
90
90
90
90
Harmonic
No.
RMS Current (A)
1
37.4
46.7
59.2
25.8
30.6
36.3
51.5
19.4
24.2
29.0
*
3
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.1
5
20.8
21.1
23.3
18.6
21.6
24.8
34.2
14.9
17.9
20.9
7
12.7
11.5
11.5
13.1
14.7
16.4
21.8
11.3
13.0
14.7
9
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
11
2.5
3.4
4.4
3.7
3.7
3.6
4.2
4.3
4.2
4.2
13
2.5
2.6
3.0
1.8
2.0
2.4
3.4
2.1
2.0
2.1
15
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
17
1.4
1.9
2.5
1.6
1.7
1.8
2.2
1.4
1.7
1.8
19
1.2
1.4
1.7
1.1
1.1
1.1
1.4
1.2
1.2
1.3
21
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
23
0.9
1.2
1.6
0.7
0.9
1.0
1.3
0.6
0.7
0.8
25
0.7
0.9
1.2
0.7
0.7
0.8
0.9
0.5
0.7
0.8
27
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
29
0.7
0.9
1.1
0.4
0.5
0.6
0.7
0.4
0.4
0.4
31
0.5
0.7
0.9
0.4
0.5
0.5
0.6
0.3
0.4
0.4
33
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
35
0.5
0.6
0.8
0.3
0.3
0.3
0.5
0.3
0.3
0.3
37
0.4
0.5
0.7
0.2
0.3
0.3
0.5
0.3
0.3
0.3
39
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
40
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
41
0.4
0.5
0.6
0.2
0.2
0.2
0.3
0.2
0.2
0.2
42
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
43
0.3
0.4
0.5
0.2
0.2
0.2
0.3
0.2
0.2
0.2
44
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
45
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
46
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
47
0.3
0.4
0.4
0.2
0.2
0.2
0.2
0.1
0.1
0.2
48
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
49
0.2
0.3
0.4
0.1
0.2
0.2
0.3
0.1
0.1
0.2
50
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Total RMS
Current (A)
44.9
52.8
65.0
34.8
40.5
47.2
65.8
27.5
33.2
39.1
THD (V) %
0.90
0.93
1.05
0.85
0.96
1.08
1.44
0.74
0.85
0.96
* Please contact Parker SSD Drives