On marine vessels the nature of power quality problems can usually be characterised by the type of variable speed drives (e.g. DC SCR drives and/or VFDs) are being utilised.
The section below serves to provide a basic introduction to both DC drives and VFD related problems, common on marine applications.
Variable Frequency Drives (VFDs)
Fixed Speed Explosion-proof Motors on Voltages Supplies with Harmonics
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