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System Manual – MOVIDRIVE® compact Drive Inverters
4
Selecting the braking resistor
Project Planning
The following table lists the peak braking power levels that are possible for the different
resistance values.
Assignment to AC 400/500 V units (...-5_3)
Resistance value
Peak braking power
MC_4_A...-5_3
(AC 400/500 V units)
MC_4_A...-2_3
(AC 230 V units)
100
Ω
9.4 kW
2.3 kW
72
Ω
13.0 kW
3.2 kW
68
Ω
13.8 kW
3.2 kW
47
Ω
20.0 kW
5.0 kW
39
Ω
24.0 kW
6.0 kW
27
Ω
34.8 kW
8.7 kW
18
Ω
52.2 kW
13.0 kW
15
Ω
62.7 kW
15.6 kW
12
Ω
78.4 kW
19.6 kW
9
Ω
(2
×
BW018 parallel)
104 kW
26.1 kW
7.5
Ω
(2
×
BW915 parallel)
125 kW
31.3 kW
6
Ω
156 kW
39.2 kW
3
Ω
(2
×
BW106/206 parallel)
313 kW
78.4 kW
Braking resistor type BW...
BW100-005
BW100-006
BW168
BW268
Part number
826 269 1
821 701 7
820,604 X
820 715 1
Braking resistor type BW...-T
BW100-006-T
BW168-T
BW268-T
Part number
1 820 419 8
1 820 133 4
1 820 417 1
Cont. braking power (= 100 % cdf)
Load capacity
50 % cdf
1)
at
25 % cdf
12 % cdf
6 % cdf
1) cdf = cyclic duration factor of the braking resistor based on a cycle duration T
D
≤
120 s.
0.45 kW
0.60 kW
0.83 kW
1.11 kW
2.00 kW
0.6 kW
1.1 kW
1.9 kW
3.6 kW
5.7 kW
0.8 kW
1.4 kW
2.6 kW
4.8 kW
7.6 kW
1.2 kW
2.2 kW
3.8 kW
7.2 kW
11 kW
Observe the regenerative power limit of the inverter!
(= 150 % of the recommended motor power
→
Technical Data)
Resistance value
R
BW
100
Ω
±
10 %
68
Ω
±
10 %
Trip current (of F16)
I
F
0.8 A
RMS
2.4 A
RMS
3.4 A
RMS
4.2 A
RMS
Design
Flat design
Wire resistor on ceramic
core
Wire resistor on ceramic core
Connections/
tightening torque
Cable
Ceramic terminals 2.5
mm
2
(AWG13)
0.5 Nm
Ceramic terminals 2.5 mm
2
(AWG13)
0.5 Nm
Enclosure
IP54
IP20 (when installed)
IP20 (when installed)
Ambient temperature
ϑ
U
–20 °C ... +40 °C
Type of cooling
KS = self-cooling
for MOVIDRIVE
®
0015 ... 0022
0015 ... 0040
0015 ... 0040
0015 ... 0040
Summary of Contents for MOVIDRIVE compact MCH41A
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