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:
Jun. 20, 2023

Filed:

Jul. 07, 2022
Applicant:

Noble Drilling A/s, Kgs. Lyngby, DK;

Inventor:

John Røn Pedersen, Frederikssund, DK;

Assignee:

NOBLE DRILLING A/S, Kgs. Lyngby, DK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 3/38 (2006.01); B63J 3/04 (2006.01); E21B 41/00 (2006.01); H02J 3/32 (2006.01); H02J 1/06 (2006.01); B63H 21/17 (2006.01); B63J 3/00 (2006.01);
U.S. Cl.
CPC ...
H02J 3/381 (2013.01); B63H 21/17 (2013.01); B63J 3/04 (2013.01); E21B 41/0007 (2013.01); H02J 1/06 (2013.01); H02J 3/32 (2013.01); B63J 2003/002 (2013.01); H02J 2310/42 (2020.01);
Abstract

A mobile offshore drilling unit includes a plurality of electric thrusters to dynamically position the drilling unit, and a microgrid electric power generation system for providing power to the plurality of electric thrusters, the microgrid electric power generation system including at least one combustion generator electrically coupled to a main electric power bus and at least one thruster electric power system, the thruster electric power system including a thruster electric power bus, an additional electric power bus connected to the thruster electric power bus via an interface device, and a circuit breaker electrically coupling the additional electric power bus to a main electric power bus for isolating the thruster electric power bus from the main electric power bus in case of loss of power on the main electric power bus.


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