Vacon® Brake Resistors And Brake Chopper Dimensioning; Braking Energy And Losses - Vacon NX User Manual

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12.6 VACON
12.6.1

Braking energy and losses

Table 100. VACON
BCU type
NXB 0031 5
NXB 0061 5
NXB 0087 5
NXB 0105 5
NXB 0140 5
NXB 0168 5
NXB 0205 5
NXB 0261 5
NXB 0300 5
NXB 0385 5
NXB 0460 5
NXB 0520 5
NXB 0590 5
NXB 0650 5
NXB 0730 5
Table 101. VACON
BCU type
NXB 0170_6
NXB 0208_6
NXB 0261_6
NXB 0325_6
NXB 0385_6
NXB 0416_6
12
®
brake resistors and brake chopper dimensioning
®
standard brake resistors and NXB energy, mains voltage 465–800 Vdc
Mains voltage 465-800 VDC
BCU output
Resistor
Resistor type & R[Ω]
BRR0031 / 63
BRR0061 / 14
BRR0061 / 14
BRR0105 / 6.5
BRR0105 / 6.5
BRR0105 / 6.5
BRR0105 / 6.5
BRR0105 / 6.5
BRR0300 / 3.3
BRR0300 / 3.3
BRR0300 / 3.3
BRR0520 / 1.4
BRR0520 / 1.4
BRR0520 / 1.4
BRR0730 / 0.9
®
standard brake resistors and NXB energy, mains voltage 640–1100 Vdc
Mains voltage 640-1100 VDC
BCU output
Resistor
Resistor type & R[Ω]
BRR0208 / 7
BRR0208 / 7
BRR0208 / 7
BRR0208 / 7
BRR0208 / 7
BRR0416 / 2.5
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
Power loss at full
Brake energy
Light duty High Duty
5 sec (kJ) 10 sec (kJ)
82 220
254 660
254 660
546 1420
546 1420
546 1420
546 1420
546 1420
1094 2842
1094 2842
1094 2842
2520 6600
2520 6600
2520 6600
3950 10264
Brake energy
Light Duty High Duty
5 sec (kJ) 10 sec (kJ)
968 2516
968 2516
968 2516
968 2516
968 2516
2710 7046
Brake chopper unit (NXB)
BCU
braking
Chassis
*)
c/a/T
[kW]
0.7/0.2/0.9 CH3
1.3/0.3/1.5 CH3
1.5/0.3/1.8 CH4
1.8/0.3/2.1 CH4
2.3/0.3/2.6 CH4
2.5/0.3/2.8 CH5
3.0/0.4/3.4 CH5
4.0/0.4/4.4 CH5
4.5/0.4/4.9 CH61
5.5/0.5/6.0 CH61
5.5/0.5/6.0 CH62
6.5/0.5/7.0 CH62
7.5/0.6/8.1 CH62
8.5/0.6/9.1 CH62
10.0/0.7/10.7 CH62
BCU
Chassis
Power loss at
full braking
*
c/a/T
[kW]
3.6/0.2/3.8 Ch61
4.3/0.3/4.6 Ch61
5.4/0.3/5.7 Ch61
6.5/0.3/6.8 Ch62
7.5/0.4/7.9 Ch62
8.0/0.4/8.4 Ch62