VARIABLE SPEED DRIVE WITH TOPSIDE CONTROL AND SUBSEA SWITCHING
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United States of America Patent
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Issued Date -
Aug 25, 2016
app pub date -
Feb 25, 2015
filing date -
Feb 25, 2015
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Abstract
According to some embodiments, functionality of a conventional variable speed drive (VSD) for driving a subsea electric motor is “split” with the CPU with frequency converter control being located topside and the low-level switching hardware being located subsea with the subsea motor. The motor can be used, for driving a pumping or other fluid processing module in a subsea oil or gas field.
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