32
Connection Power Unit R6-N
A load draw from the DC circuit may be done only if the ready signal is active
Figure 16:
Power supply and regenerative operation at inverter currents ≤ inverter current
4.4.3
Power supply and regenerative operation at inverter currents ≤ current of one R6-N
(Parallel operation of up to two units with an error at current sharing of the R6-N units of
≤ 10 %)
12
12
L1’
L2’
L2
L3’
L1
L3
L2
L1
L3
++
++
- -
L22
- -
L12
L32
1
2
6
8
7
L1’
L2’
L2
L3’
L1
L3
L1.2
L2.2
L2.1
L3.2
L1.1
L3.1
L1.2
L2.2
L2.1
L3.2
L1.1
L3.1
++
++
- -
L22
- -
L12
L32
3
4
10
PE
W
V
U
9
11
PE
W
V
U
A ≥ 25mm²
PE
++
+PA
- -
-
++
+PA
- -
-
5a
5b
X2D
X2D
2
3
4
7
11
11
11
1
Line contactor with protec-
tive wiring
5b COMBIVERT R6-N slave with
DC fuses
5)
10 Frequency inverter with
I
N(10)
> I
N(5)
1)
(FI type A1…C2 possible)
2
Mains fuses type gR
4)
6
External terminal
1)
11 Ferrite (optional)
3
Radio interference filter E6
7
DC fuses type aR/gR
2) 4) 5)
12 Motor
4
Commutation reactor/har-
monic filter
3)
8
DC fuses type aR/gR
4) 5)
5a COMBIVERT R6-N master
with DC fuses
5)
9
Frequency inverter with I
N(9)
<
I
N(5)
(FI type A1…C2 possible)
1) If the inverter current > current of the COMBIVERT R6-S it must be wired at an external terminal (6).
2) The cable cross-section may not be smaller than 10 mm². It must be dimensioned for the DC rated
current of the load. Otherwise appropriate fuses in the DC bus (7) are required. The indicated maximum
protection for the connected frequency inverter must be observed !
3) In case of parallel connection of R6-N the total power can be lower up to 10 % caused by production
tolerances of the commutation reactor.
4) Main and DC fuses must be monitored.
5) If R6 units without internal DC-fusing are used, fuses in accordance with annex B.1.2 must be used for
compliance with UL. The specified fuses refer to a maximum fusing of the R6 units. Lower fuse protec
-
tion according to the connected inverter can be done with fuses of the same type.
When connecting the units, absolutely pay attention to correct phasing !
Connection clockwise rotating field required !
A load draw from the DC circuit may be done only if the ready signal is active.
Parallel connection requires a base load per R6-N greater than 10%.
Figure 17:
Power supply and regenerative operation at inverter current ≥ inverter current
Содержание Combivert R6
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