Siemens SINAMICS S120 Engineering Manual - Page 24

Browse online or download pdf Engineering Manual for Industrial Equipment Siemens SINAMICS S120. Siemens SINAMICS S120 30 pages. Applications for cabinet modules, liquid-cooled
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Siemens SINAMICS S120 Engineering Manual

1 Engineering SINAMICS S120 Booksize

Converter connection at the low-voltage line supply:

–

Inductance value per unit length of the converter connecting cable according to data sheet information

FC line

–

Cable length to the converter

FC line

Specific resistance of the converter connecting cable

Cross-section of one phase of the converter connection

–

Minimum relative short-circuit power for the type of infeed corresponding to

RSC

min

–

Rated input current of the Line Module for a 380 V line supply voltage

rated_Line_Module

–

Rated power of the Line Module for the selected supply voltage

rated_Line_Module

–

k factor – takes into account the supplementary losses in the transformer due to harmonic currents - for Booksize Line Modules, k = 1.27

infeed

This value is very dependent on the geometrical structure of the cable and/or the conductor. The following approximate values can be used if more precise data are not available:

0.25

for cables and conductors,

0.38

for busbars,

specific resistances of copper, aluminum and aluminum alloy

for copper

for aluminum

for aluminum alloy

Engineering manual S120 Booksize

Entry-ID: 109808992,

V1.0,

04/2022

0.2550

35.0

0.01852

75.0

mm²

192

120

1.27

Table 1-1