Elettronica Santerno SINUS/ISD 200 S-0.75, Руководство пользователя, Страница: 172 / 206

15P0082B8
USER MANUAL
SINUS/ISD
11 - 6/6
11.14 SUPPLY HARMONIC ANALYSIS
Assumptions: 5000A short circuit supply capability:
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.
Inverter Type Three Phase Single Phase
SINUS/ISD
Type
B B B B A A B A A B
Motor Power
(kW) 0.75 1.5 2.2 3.7 0.75 1.5 2.2 0.75 1.5 2.2
Fundamental
Voltage (V) 400 400 400 400 230 230 230 230 230 230
Typical Motor
Efficiency 73% 80% 81% 82% 73% 80% 81% 73% 80% 81%
Harmonic No. RMS Current (A)
1 1.7 3.0 4.2 7.1 3.0 5.6 7.5 5.2 9.2 12.9
3 5.0 8.6 11.9
5 1.6 2.8 3.7 6.2 2.7 4.7 6.2 4.5 7.5 10.1
7 1.5 2.6 3.3 5.3 2.4 4.0 5.0 3.9 6.1 7.7
9 3.2 4.6 5.3
11 1.3 2.1 2.3 3.3 1.6 2.2 2.5 2.5 3.1 3.0
13 1.1 1.8 1.8 2.3 1.2 1.4 1.4 1.8 1.7 1.2
15 1.1 0.7 0.1
17 0.8 1.2 0.8 0.8 0.5 0.4 0.4 0.6 0.1 0.5
19 0.7 0.9 0.5 0.4 0.3 0.3 0.4 0.2 0.3 0.6
21 0.1 0.4 0.5
23 0.4 0.4 0.2 0.4 0.2 0.3 0.4 0.2 0.3 0.2
25
0.3 0.3 0.3 0.4 0.2 0.2 0.2 0.2 0.2 0.1
27 0.2 0.1 0.2
29
0.1 0.1 0.2 0.2 0.1 0.1 0.2 0.1 0.1 0.2
31 0.1 0.1 0.2 0.2 0.1 0.1 0.2 0.1 0.2 0.1
33
0.0 0.1 0.1
35 0.1 0.1 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1
37
0.1 0.1 0.1 0.2 0.1 0.1 0.1 0.1 0.0 0.1
39 0.1 0.1 0.1
Total RMS
Current (A)
3 6 7 11 5 9 12 10 16 23
THD (V) % 0.6 0.9 1.4 1.6 0.6 1.4 1.7 1.5 2.0 2.7