ABB ACQ550-x1-06A6-2 User Manual page 287

ACQ550-U1 User's Manual
380...480 V drives
Type
ACQ550-
01/U1-
see below
Three-phase supply voltage, 380...480 V
-03A3-4
-04A1-4
-05A4-4
-06A9-4
-08A8-4
-012A-4
-015A-4
-023A-4
1
Resistor time constant specification must be > 85 seconds.
500...600 V drives
Type
ACQ550-
U1-
see below
Three-phase supply voltage, 500...600 V
-02A7-6
-03A9-6
-06A1-6
-09A0-6
-011A-6
-017A-6
1
Resistor time constant specification must be > 85 seconds.
WARNING! Never use a brake resistor with a resistance below the minimum value
specified for the particular drive. The drive and the internal chopper are not able to
handle the overcurrent caused by the low resistance.
Symbols
R
MIN
R
MAX
Resistance
< 3 s ON
R R
MAX MIN
> 27 s OFF
< 10% Duty
ohm ohm
641 120 65
470 120 90
320 120 125
235 80 170
192 80 210
128 80 315
94 63 425
64 63 625
Resistance
< 3 s ON
R R
MAX MIN
> 27 s OFF
< 10% Duty
ohm ohm
548 80 93
373 80 137
224 80 228
149 80 342
110 60 467
75 60 685
– Minimum allowed resistance of the braking resistor.
– Maximum resistance allowed if maximum braking torque is necessary.
1
Resistor minimum continuous power rating
Deceleration-to-zero rating
P P
r3 r10
< 10 s ON < 30 s ON
> 50 s OFF > 180 s OFF
< 17% Duty < 14% Duty
W W
120 175
160 235
235 345
320 470
400 575
590 860
800 1175
1175 1725
1
Resistor minimum continuous power rating
Deceleration-to-zero rating
P P
r3 r10
< 10 s ON < 30 s ON
> 50 s OFF > 180 s OFF
< 17% Duty < 14% Duty
W W
175 257
257 377
429 629
643 943
877 1286
1286 1886
P P Continuous ON
r30 r60
> 60 s ON
< 60 s ON
> 180 s OFF
> 25% Duty
< 25% Duty
W W
285 1100
390 1500
570 2200
775 3000
950 4000
1425 5500
1950 7500
2850 11000
P P
Continuous ON
r30 r60
> 60 s ON
< 60 s ON
> 180 s OFF
> 25% Duty
< 25% Duty
W W
425 1462
624 2144
1040 3573
1560 5359
2127 7308
3119 10718
Technical data
287
P
rcont
W
P
rcont
W