12
vacon • 206
Brake chopper unit (NXB)
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
12.6
VACON
®
brake resistors and brake chopper dimensioning
12.6.1
Braking energy and losses
Table 100. VACON
®
standard brake resistors and NXB energy, mains voltage 465–800 Vdc
Mains voltage 465-800 VDC
BCU type
BCU output
BCU
Power loss at full
braking
Chassis
Resistor
Brake energy
Resistor type & R[
Ω
]
Light duty
5 sec (kJ)
High Duty
10 sec (kJ)
c/a/T
*)
[kW]
NXB 0031 5
BRR0031 / 63
82
220
0.7/0.2/0.9
CH3
NXB 0061 5
BRR0061 / 14
254
660
1.3/0.3/1.5
CH3
NXB 0087 5
BRR0061 / 14
254
660
1.5/0.3/1.8
CH4
NXB 0105 5
BRR0105 / 6.5
546
1420
1.8/0.3/2.1
CH4
NXB 0140 5
BRR0105 / 6.5
546
1420
2.3/0.3/2.6
CH4
NXB 0168 5
BRR0105 / 6.5
546
1420
2.5/0.3/2.8
CH5
NXB 0205 5
BRR0105 / 6.5
546
1420
3.0/0.4/3.4
CH5
NXB 0261 5
BRR0105 / 6.5
546
1420
4.0/0.4/4.4
CH5
NXB 0300 5
BRR0300 / 3.3
1094
2842
4.5/0.4/4.9
CH61
NXB 0385 5
BRR0300 / 3.3
1094
2842
5.5/0.5/6.0
CH61
NXB 0460 5
BRR0300 / 3.3
1094
2842
5.5/0.5/6.0
CH62
NXB 0520 5
BRR0520 / 1.4
2520
6600
6.5/0.5/7.0
CH62
NXB 0590 5
BRR0520 / 1.4
2520
6600
7.5/0.6/8.1
CH62
NXB 0650 5
BRR0520 / 1.4
2520
6600
8.5/0.6/9.1
CH62
NXB 0730 5
BRR0730 / 0.9
3950
10264
10.0/0.7/10.7
CH62
Table 101. VACON
®
standard brake resistors and NXB energy, mains voltage 640–1100 Vdc
Mains voltage 640-1100 VDC
BCU type
BCU output
BCU
Chassis
Resistor
Brake energy
Power loss at
full braking
Resistor type & R[
Ω
]
Light Duty
5 sec (kJ)
High Duty
10 sec (kJ)
c/a/T
*
[kW]
NXB 0170_6
BRR0208 / 7
968
2516
3.6/0.2/3.8
Ch61
NXB 0208_6
BRR0208 / 7
968
2516
4.3/0.3/4.6
Ch61
NXB 0261_6
BRR0208 / 7
968
2516
5.4/0.3/5.7
Ch61
NXB 0325_6
BRR0208 / 7
968
2516
6.5/0.3/6.8
Ch62
NXB 0385_6
BRR0208 / 7
968
2516
7.5/0.4/7.9
Ch62
NXB 0416_6
BRR0416 / 2.5
2710
7046
8.0/0.4/8.4
Ch62
Содержание NX
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