A power generation and distribution system for a drilling rig comprising an AC bus and a DC bus, an AC generator and an AC load electrically connected to the AC bus, a first power transformer configured to converter a plurality of voltage phases of the AC bus into a plurality of corresponding secondary side voltage phases, a first unidirectional AC-DC power converter connected between the secondary side voltage phases of the first power transformer and the DC bus for supplying power to the DC bus, one or more DC bus load connected to the DC bus, a second unidirectional AC-DC power converter connected between the DC bus and at least one of an auxiliary transformer winding of the first power transformer and a second power transformer for supplying power from the DC bus to the AC bus.

    La présente invention concerne un système de génération et de distribution d'énergie apte à une utilisation dans diverses applications telles que des unités mobiles de forage en mer et des installations fixes en mer comprenant divers types de navires, d'installations de forage et analogues.


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    Title :

    POWER GENERATION AND DISTRIBUTION SYSTEM FOR OFFSHORE DRILLING UNITS


    Additional title:

    SYSTEME DE GENERATION ET DE DISTRIBUTION D'ENERGIE POUR UNITES DE FORAGE EN MER


    Contributors:

    Publication date :

    2020-05-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B66C Krane , CRANES / E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren / F03G Feder-, Gewichts-, Trägheits- oder ähnliche Kraftmaschinen , SPRING, WEIGHT, INERTIA, OR LIKE MOTORS / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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