We often have think about this, which drives should be used ?
DC or AC Drives ?
Which one cheaper ?
What is advantage/disadvantage between them ?
Which one easier for maintenance, troubleshooting ?
ABB has very good document to compare between DC and AC Drive.
Free for you. Download here:
http://kewlshare.com/dl/8b2aba8f8bcd/DC_or_AC_Drives.pdf.html
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