Definitions Of Overload - Siemens BT300 Manual

Technical data
7.1.3

Definitions of overload

Drive overload =Following continuous operation at rated output current I
* I for 1 min, followed by a period of I
L
Example: If the duty cycle requires 110% rated current I
9 min must be at rated current or less.
Current
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I L*110%
I L
1 min
9011.emf
Figure 61. Drive overload.
Siemens Industry, Inc • 69
, the converter is fed with 110%
L
.
L
for 1 min in every 10 min, the remaining
L
I L*110%
9 min
Time