AC/DC PITCH MOTORS OFFSHORE
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DC Pitch Drives Offshore Turbine MW Class [1] Armature choke is necessary in chopper-converter-mode and recommended with line-commutated-converters. [2] 0-1.600 rpm (S1); 1601 rpm - maximum speed (S3-50% or torque derating) The mean rpm in rated pitch operation is about 750 rpm with DC Pitch Drives.

AC Pitch Drives Offshore Turbine MW Class