Posted 06 July 2007 - 04:35 AM
Is it possible to install 690V softstarter on a 3.3kv 400kw motor for wood chipper application. For VFD, we used to install a step down transformer at the input of VFD, then at the output there was a sine wave filter and a step up tranformer afterwards. Is it possible to do the same way for a softstarter? Has anyone of you done this before?
Posted 06 July 2007 - 05:40 AM
Yes, you can use a step down transformer and a step up transformer. You do not need the sinewave filter, but why not just use a standard MV soft starter. I am sure it would be cheaper!!
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Posted 06 July 2007 - 06:28 PM
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