Propulsion system

Propulsion system

  • CN 103,402,867 A
  • Filed: 01/02/2012
  • Published: 11/20/2013
  • Est. Priority Date: 12/31/2010
  • Status: Active Application
First Claim
Patent Images

1. assembly for contrary-turning propeller (CRP) propulsion system that tractive power is supplied to marine vessel, described assembly comprises the first propelling unit (6) that is driven by rotary power unit (2) and the second propelling unit (12) that is driven by AC motor (8), wherein said the second propelling unit (12) rotates on the direction opposite with described the first propelling unit (6), wherein alternating current generator (4) is driven by described rotary power unit (2), and described alternating current generator (4) is electrically connected on described AC motor (8), it is characterized in that, the rotative speed of described the second propelling unit (12) the rotative speed of described the first propelling unit (6) 95% and 150% between, described AC motor (8) and described alternating current generator (4) have identical electric frequency, and the number of poles of described alternating current generator (4) is 2 to 40, and the number of poles of described AC motor (8) is 2 to 40, making the ratio of the number of poles of described AC motor (8) and described alternating current generator (4) is 0.05 to 20.

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