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Issue 10/06
2 Installation
MICROMASTER 430 Operating Instructions
6SE6400-5AE00-0BP0
21
2.1
Installation after a Period of Storage
Following a prolonged period of storage, you must reform the capacitors in the
inverter. The requirements are listed below.
Frame Sizes C to F
Storage period less than 1 year:
No action necessary
Storage period 1 to 2 years
Prior to energizing, connect to
voltage for one hour
Storage period 2 to 3 years
Prior to energizing, form
according to the curve
Storage period 3 and more years
Prior to energizing, form
according to the curve
100
50
75
0,5
1
Voltage
[%]
Time t [h]
2
4
6
8
Figure 2-1
Forming
Frame Sizes FX and GX
Reforming the capacitors can be accomplished by applying 85% of the rated input
voltage for at least 30 minutes without load.
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