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Lenze E82EV751K4C User Manual

Lenze E82EV751K4C
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Conditions for a trouble-free network of several drives
DC-bus connection
12
Network of several drives
12.4
12.4.3
L
12.4-4
EDS82EV903-1.0-11/2002
12.4.3 DC-bus connection
Ensure short cable connections to the common DC-bus star point.
Select the cable cross-section for the DC bus according to the sum of mains
supplies:
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


  

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$ $ $
Fig. 12.4-2 Example: DC connection of three controllers
Sum of the possible permanent r.m.s. currents of the parallel mains supplies:
16 A + 50 A + 125 A = 191 A
The cable cross-section is selected according to the resulting current of 191 A
and the local conditions, as for instance, ambient temperature, conductor
material, conductor type, type of laying, expansion, standards and regulations.
Ensure low cable inductance by means of the following measures:
l DC-bus star point in control cabinet above parallel busbar
l Cables between controller (+U
DC
,-U
DC
) and DC-bus star point must be laid
in parallel and, if necessary, twisted
Use shielded cables.
Selection of cable cross-section
Example
Reducing cable inductance
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Lenze E82EV751K4C Specifications

General IconGeneral
BrandLenze
ModelE82EV751K4C
CategoryDC Drives
LanguageEnglish

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