Optional Brake Chopper And Resistor(S) - ABB ACS800-U7 Hardware Manual

142
• the resistance does not restrict the braking capacity needed, that is,,
where
P
U
R
• the heat dissipation capacity (E
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).
ACS800-07/U7 Frame
type size
400 V units
-0075-3 R5
-0100-3 R6
-0120-3 R6
-0135-3 R6
-0165-3 R6
-0205-3 R6
-0260-3 R8
-0320-3 R8
-0400-3 R8
-0440-3 R8
-0490-3 R8
500 V units
-0105-5* R5
-0120-5 R6
-0140-5 R6
-0165-5 R6
-0205-5 R6
-0255-5* R6
-0270-5** R8
-0300-5** R8
-0320-5 R8
-0400-5 R8
-0440-5 R8
-0490-5 R8
-0550-5 R8
-0610-5 R8
Resistor braking
2
U
DC
P
max <
R
maximum power generated by the motor during braking
max
voltage over the resistor during braking, eg,
DC
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).
resistor resistance (ohm)
Braking power of the chopper and
the drive
5/60 s 10/60 s 30/60 s
P P P
br5 br10 br30
(kW) (kW) (kW)
- - -
- - -
- - -
- - -
- - -
- - -
240 240 240
300 300 300
375 375 273
473 355 237
500 355 237
- - -
- - -
- - -
- - -
- - -
- - -
240 240 240
280 280 280
300 300 300
375 375 375
473 473 450
480 480 470
4)
600 400 300
3) 4)
600 400 300
) is sufficient for the application (see step 3
R
Brake resistor(s)
Type
P
brcont
(kW)
70 SAFUR80F500
83 SAFUR125F500
113 SAFUR125F500
132 SAFUR200F500
132 SAFUR200F500
160 SAFUR200F500
173 2XSAFUR210F575
143 2xSAFUR200F500
130 4xSAFUR125F500
120 4xSAFUR210F575
120 4xSAFUR210F575
83 SAFUR80F500
113 SAFUR125F500
135 SAFUR125F500
160 SAFUR125F500
160 SAFUR125F500
200 SAFUR200F500
240 2xSAFUR125F500
280 2xSAFUR125F500
300 2xSAFUR125F500
234 2XSAFUR210F575
195 2xSAFUR200F500
210 2xSAFUR200F500
170 4xSAFUR125F500
170 4xSAFUR125F500
R E P
R Rcont
(ohm) (kJ) (kW)
6 2400 6
4 3600 9
4 3600 9
2.70 5400 13.5
2.70 5400 13.5
2.70 5400 13.5
1.70 8400 21
1.35 10800 27
1.00 14400 36
0.85 16800 42
0.85 16800 42
6 2400 6
4 3600 9
4 3600 9
4 3600 9
4 3600 9
2.7 5400 13.5
2.00 7200 18
2.00 7200 18
2.00 7200 18
1.70 8400 21
1.35 10800 27
1.35 10800 27
1.00 14400 36
1.00 14400 36