ABB ACS800-U7 - Optional brake chopper and resistor(s)

Resistor braking
142
• the resistance does not restrict the braking capacity needed, that is,,
where
• the heat dissipation capacity (E
R
) is sufficient for the application (see step 3
above).
Optional brake chopper and resistor(s)
The nominal ratings for dimensioning the brake resistors for the ACS800-07/U7 are
given below at an ambient temperature of 40 °C (104 °F).
P
max
maximum power generated by the motor during braking
U
DC
voltage over the resistor during braking, eg,
1.35 · 1.2 · 415 VDC (when supply voltage is 380 to 415 VAC),
1.35 · 1.2 · 500 VDC. (when supply voltage is 440 to 500 VAC) or
1.35 · 1.2 · 690 VDC (when supply voltage is 525 to 690 VAC).
R resistor resistance (ohm)
ACS800-07/U7
type
Frame
size
Braking power of the chopper and
the drive
Brake resistor(s)
5/60 s
P
br5
(kW)
10/60 s
P
br10
(kW)
30/60 s
P
br30
(kW)
P
brcont
(kW)
Type R
(ohm)
E
R
(kJ)
P
Rcont
(kW)
400 V units
-0075-3 R5 ---70SAFUR80F500 624006
-0100-3 R6 ---83SAFUR125F500 4 3600 9
-0120-3 R6 ---113SAFUR125F500 4 3600 9
-0135-3 R6 ---132SAFUR200F500 2.70 5400 13.5
-0165-3R6---132SAFUR200F500 2.70 5400 13.5
-0205-3 R6 ---160SAFUR200F500 2.70 5400 13.5
-0260-3 R8 240 240 240 173 2XSAFUR210F575 1.70 8400 21
-0320-3 R8 300 300 300 143 2xSAFUR200F500 1.35 10800 27
-0400-3 R8 375 375 273 130 4xSAFUR125F500 1.00 14400 36
-0440-3 R8 473 355 237 120 4xSAFUR210F575 0.85 16800 42
-0490-3 R8 500 355 237 120 4xSAFUR210F575 0.85 16800 42
500 V units
-0105-5* R5 ---83SAFUR80F500 624006
-0120-5 R6 ---113SAFUR125F500 4 3600 9
-0140-5 R6 ---135SAFUR125F500 4 3600 9
-0165-5 R6 ---160SAFUR125F500 4 3600 9
-0205-5R6---160SAFUR125F500 4 3600 9
-0255-5*R6---200SAFUR200F500 2.7 5400 13.5
-0270-5** R8 240 240 240 240 2xSAFUR125F500 2.00 7200 18
-0300-5** R8 280 280 280 280 2xSAFUR125F500 2.00 7200 18
-0320-5 R8 300 300 300 300 2xSAFUR125F500 2.00 7200 18
-0400-5 R8 375 375 375 234 2XSAFUR210F575 1.70 8400 21
-0440-5 R8 473 473 450 195 2xSAFUR200F500 1.35 10800 27
-0490-5 R8 480 480 470 210 2xSAFUR200F500 1.35 10800 27
-0550-5 R8 600 400
4)
300 170 4xSAFUR125F500 1.00 14400 36
-0610-5 R8 600
3)
400
4)
300 170 4xSAFUR125F500 1.00 14400 36
P
max
<
U
DC
R
2