Operating Line Connection Components Via An Autotransformer - Siemens SINUMERIK 840D sl Manual
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Also See for SINUMERIK 840D sl:
- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
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5.1.3
Operating line connection components via an autotransformer
An autotransformer can be used to adapt the voltage in the range up to 3-ph. 480 V AC +10
%.
Caution
To ensure protective separation an isolating transformer must be used for voltages greater
than 3-ph. AC 480 V AC +10 %.
Applications:
● The motor insulation must be protected from excessive voltages.
● The active line module must provide a stabilized DC link voltage. It can be in the range
Figure 5-3
Guide for the SINUMERIK 840D sl machine configuring
Manual, 07/2006 Edition, 6FC5397-6CP10-0BA0
380 V to 415 V.
Autotransformer
Connection of the Components
5.1 Power Supply Interface Variants
5-3
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