Description of the Software Modules and Parameters
Parameter manual
b maXX
BM5800
Document No.: 5.16029.03
709
3
[%]
[%]
[s]
–
for power unit temperature > 45°C
[%]
–
otherwise
Ixt
Offset
= 0 %
–
Activation time
Example:
I
nenn
= 10 A
eff
I
max
= 15 A
eff
t
u
= 1 [s]
I
grenz
= 12 A
eff
ist
= 35°C
[%]
[%]
[s]
[s]
LT Thermal time constant
(
LT
) [s]
LT Activation time
(t
aus
) [s]
Time to limit to I
nenn
LT Ixt Offset
(Ixt Offset) [%]
u
max
I
max
I
nenn
----------- 100
=
u
I
ist
I
nenn
----------- 100
=
LT
t
u
u
max
100
–
u
max
--------------------------
ln
-------------------------------------
–
=
IxtOffset
ist
45
o
C
–
85
o
C
45
o
C
–
------------------------------- 100
=
t
aus
LT
u
u
100
–
IxtOffset
+
-----------------------------------------------
ln
=
u
max
15
10
------ 100
150
=
=
u
12
10
------ 100
120
=
=
LT
1
150
100
–
150
------------------------
ln
-----------------------------------
–
0 91
=
=
t
aus
0 91
120
120
100
–
------------------------
ln
1 63
=
=
