Baumuller BM4400 - Coherence between Rated Current and Peak Current; Calculation of the Thermal Rms Current; Coherence between Peak Current and Rated Current

Technical Data
Instruction handbook b maXX BM4400, BM4600, BM4700
Document No.: 5.12008.07
59
of 358
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
t
1
t
2
t
3
I
1
I
2
I
3
t
1
t
2
t
3
Figure 28: Calculation of the thermal rms current
I
eff
I
n
2
t
n
T
----

n1=
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
t
peak
I
peak
T + t
peak
Figure 29: Coherence between peak current and rated current
t
peak
T
-----------
I
rated
I
peak
------------


2
=