SEW-Eurodrive MOVIDRIVE compact MCH41A, System Manual

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System Manual – MOVIDRIVE® compact Drive Inverters
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Selecting the braking resistor
Project Planning
Braking resistor type BW... BW147 BW247 BW347 BW039-012
Part number 820 713 5 820 714 3 820 798 4 821 689 4
Braking resistor type BW...-T BW147-T BW247-T BW347-T BW039-012-T BW039-026-T BW039-050-T
Part number 1 820 134 2 1 820 084 2 1 820 135 0 1 820 136 9 1 820 415 5 1 820 137 7
Cont. braking power (= 100 % cdf)
Load capacity
50 % cdf
1)
at 25 % cdf
12 % cdf
6 % cdf
1.2 kW
2.2 kW
3.8 kW
7.2 kW
11 kW
2.0 kW
3.6 kW
6.4 kW
12 kW
19 kW
4.0 kW
7.2 kW
12.8 kW
20 kW
2)
20 kW
2)
1.2 kW
2.1 kW
3.8 kW
7.2 kW
11.4 kW
2.6 kW
4.7 kW
8.3 kW
15.6 kW
24.0 kW
2)
5.0 kW
8.5 kW
15.0 kW
24.0 kW
2)
24.0 kW
2)
Observe the regenerative power limit of the inverter!
(= 150 % of the recommended motor power
→
Technical Data)
Resistance value R
BW
47
Ω ±
10 % 39
Ω ±
10 %
Trip current (of F16) I
F
5 A
RMS
6.5 A
RMS
9.2 A
RMS
5.5 A
RMS
8.1 A
RMS
11.3 A
RMS
Design Wire resistor on ceramic core Grid resistor
Connections/
tightening torque Ceramic terminals 2.5 mm
2
(AWG13) / 0.5 Nm
BW347-T: Ceramic terminals 10 mm
2
(AWG8) / 1.6 Nm
M8 stud /
6 Nm
Enclosure IP20 (when installed)
Ambient temperature
ϑ
U
–20 °C ... +40 °C
Type of cooling KS = self-cooling
for MOVIDRIVE
®
0055/0075 0110
1) cdf = cyclic duration factor of the braking resistor based on a cycle duration T
D
≤
120 s.
2) Physical power limit due to DC link voltage and resistance value.
Braking resistor type BW... BW018-015
Part number 821 684 3
Braking resistor type BW..-T/-P BW018-015-P BW018-035-T BW018-075-T BW915-T
Part number 1 820 416 3 1 820 138 5 1 820 139 3 1 820 413 9
Cont. braking power (= 100 % cdf)
Load capacity
50 % cdf
1)
at 25 % cdf
12 % cdf
6 % cdf
1.5 kW
2.5 kW
4.5 kW
6.7 kW
11.4 kW
3.5 kW
5.9 kW
10.5 kW
15.7 kW
26.6 kW
7.5 kW
12.7 kW
22.5 kW
33.7 kW
52.2 kW
2)
16 kW
27.2 kW
48 kW
62.7 kW
2)
62.7 kW
2)
Observe the regenerative power limit of the inverter!
(= 150 % of the recommended motor power
→
Technical Data)
Resistance value R
BW
18
Ω ±
10 % 15
Ω ±
10 %
Trip current (of F16) I
F
9.1 A
RMS
13.9 A
RMS
20.4 A
RMS
32.6 A
RMS
Design
Wire resistor on
ceramic core
Steel-grid resistor
Connections/
tightening torque BW018-015: Ceramic
terminals
2.5 mm
2
(AWG13) /
0.5 Nm
BW018-015-P:
Terminal
2.5 mm
2
(AWG13) /
1 Nm
M8 bolt / 6 Nm
Enclosure IP20 (when installed)
Ambient temperature
ϑ
U
–20 °C ... +40 °C
Type of cooling KS = self-cooling
for MOVIDRIVE
®
0150/0220 and 2
×
parallel for 0370/0450
3)
0220
1) cdf = cyclic duration factor of the braking resistor based on a cycle duration T
D
≤
120 s.
2) Physical power limit due to DC link voltage and resistance value.
3) When connected in parallel, the load capacity and trip current are doubled.