Technical Data
Instruction handbook
b maXX
BM4400, BM4600, BM4700
Document No.: 5.12008.07
59
3
3.3.6
Coherence between rated current and peak current
m
Calculation of the thermal rms current from the dimensioning cycle
i(t)
I
1
I
2
I
3
T
t
t1
t2
t3
I
1
I
2
I
3
t1
t2
t3
Figure 28:
Calculation of the thermal rms current
I
eff
I
n
2
t
n
T
----
n
1
=
k
I
1
2
t
1
T
----
I
2
2
t
2
T
----
I
3
2
t
3
T
----
+
+
=
=
m
Coherence between peak current and rated current
for the dimensioning of a motion cycle
i(t)
I
peak
T
t
tpeak
I
peak
T + tpeak
Figure 29:
Coherence between peak current and rated current
t
peak
T
-----------
I
rated
I
peak
------------
2
=
Summary of Contents for b maxx BM4400
Page 359: ......
