INSTALLATION
SINUS K
INSTRUCTIONS
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191
Harmonic currents
80%
70%
60%
With no inductance
With AC inductance
50%
With DC inductance
40%
30%
20%
10%
5
th
7
th
11
th
13
th
17
th
19
th
23
th
25
th
Figure 72: Amplitude of harmonic currents (approximate values)
NOTE
The amplitude of harmonic currents and their distortion of the mains voltage is
strongly affected by the features of the mains where the equipment is installed.
The ratings stated in this manual fit most applications. For special applications,
please contact Elettronica Santerno’s After-sales service.
CAUTION
For inverter sizes lower than S40 included, always use an input inductance under
the following circumstances: mains instability; converters installed for DC motors;
loads generating strong voltage variations at startup; power factor correction
systems; mains rated power exceeding 500 KVA.
Always activate a line inductance for inverter sizes higher than S50, unless the
inverter is powered via a dedicated transformer.
The ratings of optional inductance recommended based on the inverter size are detailed in section 13.5.4.
Содержание SINUS K
Страница 49: ...SINUS K INSTALLATION INSTRUCTIONS 49 191 S65 T S R U V W S64 Figure 8 Installation Example of a SINUS K S64 S65...
Страница 157: ...SINUS K INSTALLATION INSTRUCTIONS 157 191 Figure 75 Mechanical features of an AC 3 phase inductance...
Страница 186: ...INSTALLATION SINUS K INSTRUCTIONS 186 191 15 DECLARATIONS OF CONFORMITY...
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