Hybrid winch with controlled release and torque impulse generation control for anchor handling offshore
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Jul 13, 2016
filing date -
Jul 21, 2011
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Abstract
A computer program product and system are disclosed including but not limited to supplying a voltage waveform from a higher power electrical bus to a lower power electrical bus; sensing on the lower power electrical bus, a deviation from a sinusoidal voltage waveform in the voltage waveform supplied from the higher power electrical bus; generating a correction current to adjust the deviation in the voltage on the lower power bus to a substantially sinusoidal voltage waveform; and filtering the correction current to substantially attenuate the correction current from propagating through the filter from the lower power electrical bus to the higher power electrical bus.
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