Patent ID: 9685897
Date: 2017-06-20
CPC Classifications: H02K,H02M,H02P

Claim:
1. An electrical gear configured to supply electrical power to a subsea machinery to be rotated at high speed, the electrical gear comprising: a high input voltage AC-motor having a low pole number; and a medium output voltage AC-generator of inverted design, wherein the high input voltage AC-motor is drivingly connected to the medium output voltage AC-generator, wherein, in the medium output voltage AC-generator, field windings are supported on a rotor journaled for rotation inside an outer stator carrying a high number of magnet poles, and wherein the high input voltage AC-motor is configured to run on high voltage alternating current at a first frequency, and the medium output voltage AC-generator is configured to deliver medium voltage alternating current at a second frequency, higher than the first frequency, to a motor to be energized, wherein the energized motor has a low pole number.