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Resistor braking
182
Chopper/Resistor combinations – Technical data
The following table contains the technical data of some chopper/resistor
combinations.
Brake resistors – Technical data
The following table contains the technical data for the resistors supplied by ABB.
U
N
Chopper(s)
Resistors
R
(ohm)
P
brmax
(kW)
P
cont
(kW)
I
max
(A)
Duty Cycle
(10/60 s)
Duty Cycle
(1/5 min)
P
br
(kW)
I
rms
(A)
P
br
(kW)
I
rms
(A)
400 V
1 × NBRA-659
2 × SAFUR180F460
1.2
353
54
545
287
444
167
257
2 × NBRA-659
2 × (2 × SAFUR180F460)
1.2
706
108
1090
575
888
333
514
3 × NBRA-659
3 × (2 × SAFUR180F460)
1.2
1058
162
1635
862
1332
500
771
500 V
1 × NBRA-659
2 × SAFUR200F500
1.35
403
54
605
287
355
167
206
2 × NBRA-659
2 × (2 × SAFUR200F500)
1.35
806
108
1210
575
710
333
412
3 × NBRA-659
3 × (2 × SAFUR200F500)
1.35
1208
162
1815
862
1065
500
618
690 V
1 × NBRA-669
2 × SAFUR200F500
1.35
404
54
835
287
355
167
206
2 × NBRA-669
2 × (2 × SAFUR200F500)
1.35
807
108
1670
575
514
333
298
3 × NBRA-669
3 × (2 × SAFUR200F500)
1.35
1211
162
2505
862
771
500
447
U
N
= Nominal voltage
R
= Resistance of specified resistors (per chopper)
P
brmax
= Maximum short-term (1 min every 10 mins) braking power
P
cont
= Maximum continuous braking power
I
max
= Maximum peak current
P
br
= Braking power for the specified duty cycle
I
rms
= Corresponding RMS current
Type
U
N
(V)
R
(ohm)
E
R
(kJ)
P
Rcont
(kW)
SAFUR125F500
500
4.0
3600
9.0
SAFUR210F575
575
3.4
4200
10.5
SAFUR200F500
500
2.7
5400
13.5
SAFUR180F460
460
2.4
6000
15.0
U
N
R
E
R
P
Rcont
Nominal voltage
Resistance
Short energy pulse that the resistor assembly will withstand each 400 seconds
Continuous power (heat) dissipation of the resistor when placed correctly. Energy
E
R
dissipates in 400
seconds.
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Summary of Contents for ACS800-07-0610-3
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