SEW-Eurodrive MOVITRAC 07, Системное руководство

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System Manual – MOVITRAC® 07
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Selection of the braking resistor
Project Planning
Wire resistor
400/500 V
Example For an intermittent braking power of 7 kW with a cyclic duration factor of 30%, you will
have to use a braking resistor with a continuous power of 2 kW, such as the BW247.
05815AXX
Figure 51: Wire resistor 400/500 V
P = Intermittent power [kW]
cdf = Cyclic duration factor of the braking resistor [%]
100 % cdf = Continuous power [kW]
Braking resistor type BW100-005 BW100-006 BW168 BW268 BW147 BW247 BW347
Load capacity 100 % cdf 0.45 kW 0.6 kW 0.8 kW 1.2 kW 1.2 kW 2.0 kW 4.0 kW
Resistance value R
BW
100
Ω ±
10 % 68
Ω ±
10 % 47
Ω ±
10 %
Trip current of F16 I
F
0.8 A
RMS
1.8 A
RMS
2.5 A
RMS
3.4 A
RMS
3.5 A
RMS
4.9 A
RMS
7.8 A
RMS
Enclosure IP54 IP20 (when mounted)
For MOVITRAC
®
07A...-5.. 015/022 015 ... 040 055/075