The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 08, 2016

Filed:

Jun. 06, 2011
Applicants:

Allan David Crane, Gwynedd, GB;

Nicholas Simon Smith, Warwickshire, GB;

Ralph Edwin Maltby, Northamptonshire, GB;

Inventors:

Allan David Crane, Gwynedd, GB;

Nicholas Simon Smith, Warwickshire, GB;

Ralph Edwin Maltby, Northamptonshire, GB;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H 23/24 (2006.01); H02J 4/00 (2006.01); B63J 3/04 (2006.01);
U.S. Cl.
CPC ...
B63H 23/24 (2013.01); B63J 3/04 (2013.01); H02J 4/00 (2013.01); B60L 2200/32 (2013.01);
Abstract

In a marine power distribution and propulsion system with a medium voltage distribution busbar (MVAC) and a low voltage distribution busbar (LVAC) then a rectifier (SC) is controlled, optionally to provide active filtering and static compensation benefits. A common power supply system incorporating ac generators (G-G) supplies power to the medium and low voltage distribution busbars. The rectifier (SC) is connected to the medium voltage distribution busbar (MVAC). A controller (Co) uses feedback signals indicative of electrical quantities of the distribution voltages carried by both the medium voltage and low voltage distribution busbars (MVAC, LVAC) to control the rectifier (SC) to regulate electrical quantities at the ac terminals of the rectifier (SC) in order to achieve desired electrical quantities of the distribution voltage carried by the low voltage distribution busbar (LVAC).


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