Title:
METHOD FOR MODERNIZATION OF A DIRECT-CURRENT PROPULSION DRIVE
Document Type and Number:
WIPO Patent Application WO/2011/138298
Kind Code:
A3
Abstract:
The invention relates to a method for modernization of a direct-current propulsion drive (1) which comprises a propulsion system (2) having at least one direct-current generator (5) and at least one direct-current motor (6) for driving a propeller, which motors are connected to one another via direct-current circuit breakers (7), characterized by the following steps: Replacement of the at least one generator (5) by a generator (5) having a higher rating than the previous generator (5), Splitting of the propulsion system (2) into two, preferably symmetrical, sub-systems (3, 4), Interconnection of the two sub-systems (3, 4) via a direct-current quick-action switch (10), via a fuse (20) or via a fuse combination (30).
Inventors:
AHLF GERD (DE)
MOERSCH MICHAEL (DE)
MOERSCH MICHAEL (DE)
Application Number:
PCT/EP2011/056997
Publication Date:
February 09, 2012
Filing Date:
May 03, 2011
Export Citation:
Assignee:
SIEMENS AG (DE)
AHLF GERD (DE)
MOERSCH MICHAEL (DE)
AHLF GERD (DE)
MOERSCH MICHAEL (DE)
International Classes:
B63H5/07
Domestic Patent References:
| WO2006089904A1 | 2006-08-31 |
Foreign References:
| EP1498997A2 | 2005-01-19 | |||
| DE202007018606U1 | 2009-02-19 |
Attorney, Agent or Firm:
SIEMENS AKTIENGESELLSCHAFT (München, DE)
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