DYNAMIC POSITIONING VESSEL WITH A PLURALITY OF REDUNDANCY ZONES
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.