Engineering Guide CDA3000
3-87
3 Selection of inverter module
DE
EN
1
2
3
4
5
6
7
A
Calculation of effective braking power
Figure 3.41
Effective braking power
P
S
=
Peak braking power
P
D
=
Continuous braking power
T =
Sampling time (work cycle)
t1 =
0.2 s
t2 =
3 s
t3 =
0.2 s
t4 =
0.2 s
t5 =
3 s
t6 =
0.2 s
T =
8.4 s
The continuous braking power of the braking resistor must be > P
eff
. The
sampling time T must be < 150 s.
V
t
[m/s]
t1
t2
t3
t4
t5
t6
T
1580
998
0
P
[W]
P
S1
P
S2
t
t
3
t
6
0
P
eff
P
s1
2
t
3
P
s2
2
t
6
⋅
+
⋅
T
-------------------------------------------
=
Содержание CDA3000
Страница 62: ...Engineering Guide CDA3000 2 29 2 Drive definition DE EN 1 2 3 4 5 6 7 A Notes ...
Страница 315: ...A 24 Engineering Guide CDA3000 Appendix A Formula bank Movement by rack Movement by cable reel Movement by spindle ...
Страница 317: ...A 26 Engineering Guide CDA3000 Appendix A Formula bank Indexing table with eccentric loads ...
Страница 336: ...Engineering Guide CDA3000 A 45 DE EN FR 1 2 3 4 5 6 A Appendix B Practical working aids for the project engineer ...