Dynamic positioning vessel with a plurality of redundancy zones

Abstract

The invention relates to a high reliability vessel where redundancy zones are provided. It is an objective of the present invention to provide an improved system for a high reliability vessel that overcomes complexities in prior art and provides improved reliability. The present invention attains the above-described objective by providing a vessel comprising a plurality of redundancy zones, a thruster system comprising at least two thrusters to create transversal thrust, and a main power supply system comprising a generator system, and a main electrical distribution system comprising a switchboard system, characterized in the vessel further comprises an energy storage system comprising a plurality of energy storage subsystems, wherein at least one of the thrusters with an operatively connected energy storage subsystem is located in a first redundancy zone, and another of the thrusters and the generator system is located outside said first redundancy zone.

1 . A dynamic positioning vessel comprising:
 a plurality of redundancy zones,   a thruster system comprising at least two thrusters (T) to create transversal thrust, and   a main power supply system comprising:
 a generator system (G), and 
 a main electrical distribution system comprising
 a switchboard system (S), 
 
   
       characterized in that
 the vessel further comprises an energy storage system (E) comprising a plurality of energy storage subsystems, 
 wherein at least one of the thrusters with an operatively connected energy storage subsystem is located in a first redundancy zone, and another of the thrusters and the generator system is located outside said first redundancy zone. 
 
     
     
         2 . The dynamic positioning vessel according to  claim 1 , wherein the generator system (G) is located in a single compartment. 
     
     
         3 . The dynamic positioning vessel according to  claim 2 , wherein the generator system (G) is located in a single redundancy zone. 
     
     
         4 . The dynamic positioning vessel according to  claim 1 , wherein the first redundancy zone comprises a sub division between the energy storage subsystem and the thruster. 
     
     
         5 . The dynamic positioning vessel according to  claim 1 , wherein an energy storage subsystem is located local to all thrusters. 
     
     
         6 . The dynamic positioning vessel according to  claim 1 , wherein each thruster is in a separate redundancy zone together with a respective energy storage subsystem. 
     
     
         7 . The dynamic positioning vessel according to  claim 1 , wherein the switchboard system is centralised. 
     
     
         8 . The dynamic positioning vessel according to  claim 7 , wherein the switchboard system is centralised in a redundancy zone. 
     
     
         9 . The dynamic positioning vessel according to  claim 1 , wherein the switchboard system comprises a plurality of switchboard sub system and is decentralised. 
     
     
         10 . The dynamic positioning vessel according to  claim 9 , wherein the switchboard system is located local to at least one thruster. 
     
     
         11 . The dynamic positioning vessel according to  claim 9 , wherein the switchboard system is located local to at least one energy storage system. 
     
     
         12 . The dynamic positioning vessel according to  claim 1 , wherein at least one redundancy zone is implemented according to standard fire protection zone div. A60. 
     
     
         13 . The dynamic positioning vessel according to  claim 2 , wherein the single compartment further comprises a thruster. 
     
     
         14 . Use of a dynamic positioning vessel according to  claim 1 , wherein the vessel is operated according to IMO dynamic positioning class 3. 
     
     
         15 . Use of a dynamic positioning vessel according to  claim 4 , wherein the vessel is operated according to IMO dynamic positioning class 3. 
     
     
         16 . Use of a dynamic positioning vessel according to  claim 5 , wherein the vessel is operated according to IMO dynamic positioning class 3. 
     
     
         17 . Use of a dynamic positioning vessel according to  claim 6 , wherein the vessel is operated according to IMO dynamic positioning class 3. 
     
     
         18 . Use of a dynamic positioning vessel according to  claim 10 , wherein the vessel is operated according to IMO dynamic positioning class 3. 
     
     
         19 . Use of a dynamic positioning vessel according to  claim 11 , wherein the vessel is operated according to IMO dynamic positioning class 3. 
     
     
         20 . Use of a dynamic positioning vessel according to  claim 12 , wherein the vessel is operated according to IMO dynamic positioning class 3.