Vacon nxp/c, Руководство пользователя

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6
vacon • 32 CABLING AND CONNECTIONS
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6. CABLING AND CONNECTIONS
6.1 Understanding the power unit topology
Figure 9 and Figure 10 show the principles for mains and motor connections of the basic 6-pulse
drive in frame sizes FR10 to FR14.
Some units built in frame size FR11 have double input devices and require an even number of supply
cables but an uneven number of motor cables can be used.
Units built in frame size FR12 consist of two power modules and require an even number of supply
and motor cables. See Figure 9 and the tables in Chapter 6.2.6.
The 12-pulse drives always have a double set of inputs. The motor connection is size dependent as
described above and in Figure 9.
Figure 9. Topology of mechanical sizes FR9 – FR14, 6/12-pulse supply
M M M
M M M
NFE NFE NFE
INU
NFE NFE NFE
INU INU INU INU
NFE NFE NFE NFE
**
du/dt du/dt du/dt
du/dt
FR9/10
Single input
Single output
FR11*
Double input*
Single output
FR12
Double input
Double output
Note!
Min cable
length 5m**
* FR11 types 0460 6 and 0502 6 have single input terminals
** 5 m is stated for matched power units only. For unmatched power units, a min of 40 m of cable
length is required from each power module if du/dt or sine filters are not used
FR13
Single input
Single output
F R14, NX 1500 6
Single input
Double output
FR14
Double input
Double output
** FR13 u nits N XP1300 and NXP1450 have three NFE units.
*** Du/dt filters are integrated by default in all NXC FR14 sizes
11490_uk
***