Method and a system for testing of a power management system of a marine vessel

• US 7,467,051 B2
• Filed: 12/05/2006
• Issued: 12/16/2008
• Est. Priority Date: 12/07/2005
• Status: Expired due to Fees

• Current Assignee: Marine Cybernetics AS (Stiftelsen Det Norske Veritas)
• Original Assignee: Marine Cybernetics AS (Stiftelsen Det Norske Veritas)
• Inventors: Skjetne, Roger, Sørensen, Asgeir Johan, Johansen, Thor Arne
• Primary Examiner(s): Raymond; Edward
• Assistant Examiner(s): Desta; Elias
• Application Number:
  US11/566,917
• Publication Number:
  US 20070143090A1
• Time in Patent Office: 742 Days
• Field of Search: 702/57, 702/60, 702/64, 702/117, 701/21, 703/14, 703/18, 700/295, 700/297, 700/306
• US Class Current: 702/64
• CPC Class Codes: B63H 23/24 electric dynamo-electric machines H02K
• CPC Class Codes: G05B 17/02 electric
• CPC Class Codes: G05B 2219/23446 HIL hardware in the loop, simulates equipment to which a control module is fixed
• CPC Class Codes: G05B 23/0256 injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
• CPC Class Codes: H02J 2310/42 for ships or vessels
• CPC Class Codes: H02J 4/00 Circuit arrangements for mains or distribution networks not specified as ac or dc

Abstract

Herein disclosed is a system for testing a power management system (2) of a marine vessel (1), in which said power management system (2) is arranged for controlling systems (6) that produce electrical energy, in which said power management system (2) is arranged for receiving first signals (9) from a power consuming system (7). As a response to said first signals (9) said power management system (2) is arranged for furnishing second control signals (10) to a power generation system (6) arranged for furnishing power (P) to said power consuming system (7) and/or to one or more electrical power distribution grid (90),

• • characterized by
  • a simulator (120) arranged for being connected to said power management system (2), said simulator (120) including
  • a simulated power consuming system (7′) arranged for receiving real and/or simulated control signals (8, 8′) pertaining to a desired state of said simulated power consuming system (7′),
  • a simulated power generation module (6′) arranged for furnishing simulated power (P′) to said simulated power consuming system (7′),
  • said simulated power consuming system (7′) arranged for furnishing simulated signals (9′) to said real power management system (2),
  • said real power management system (2) arranged for furnishing control signals (10) to said simulated power generation system (6′) as a response to said simulated signals (9′),
  • said simulated power generation system (6′) arranged for providing simulated power (P′) to said simulated power consuming system (7′) as a response to said control signals (10),
  • for the functional testing and/or failure mode testing of said power management system (2) under said simulated signals (9′).

Claims

1. A system for testing a power management system (2) of a marine

vessel (1), in which said power management system (2) is arranged for controlling systems (6) that produce electrical energy, in which said power management system (2) is arranged for receiving first signals (9) from a power consuming system (7), in which said power management system (2) as a response to said first signals (9) is arranged for furnishing second control signals (10) to a power generation system (6) arranged for furnishing power (P) to said power consuming system (7),

characterized by

a simulator (120) arranged for being connected to said power management system (2), said simulator (120) including

a simulated power consuming system (7′

) arranged for receiving real and/or simulated control signals (8, 8′

) pertaining to a desired state of said simulated power consuming system (7′

),

a simulated power generation module (6′

) arranged for furnishing simulated power (P′

) to said simulated power consuming system (7′

),

said simulated power consuming system (7′

) arranged for furnishing simulated signals (9′

) to said power management system (2),

said power management system (2) arranged for furnishing control signals (10) to said simulated power generation system (6′

) as a response to said simulated signals (9′

),

said simulated power generation system (6′

) arranged for providing simulated power (P′

) to said simulated power consuming system (7′

) as a response to said control signals (10),

for the functional, performance or failure mode testing of said power management system (2).

2. The system according to claim 1, in which said first sensor signals comprise control signals (9) and/or sensor signals (9).

3. The system according to claim 1, comprising a dynamic positioning system (3) arranged for furnishing command signals (8) to said real and/or simulated power consuming system (7, 7′

), and further arranged for receiving commands (41) from a command console (4) pertaining to the overall state of said vessel (1).

4. The system according to claim 1 in which said simulator (120) further

comprises a vessel module (1′

) comprising an algorithm arranged for computing the dynamic behavior of said simulated vessel (1′

) when said simulated vessel (1′

) is subject to simulated environmental loads and said forces (F′

) from said simulated power consuming system (7′

).

5. The system according to claim 4, said simulator (120) further comprising a simulated vessel (1′

), said simulated power consuming system (7′

) comprising a thruster system (7′

a) arranged for providing simulated forces (F′

) to said simulated vessel (1′

).

6. The system according to claim 2, in which said dynamic positioning system (3) being arranged for receiving signals (5′

) from said simulated vessel (1′

) pertaining to the state of said simulated vessel (1′

), and as a response to said signals (5′

) furnish command signals (8) to said simulated power consuming system (7′

).

7. The system according to claim 1 in which said power management system (2) comprises two or more power management subsystems (2₁,2₂, . . . ).

8. The system according to claim 6 in which one or more of said power management subsystems (2₁,2₂, . . . ) being interconnected with one or more of other said power management subsystems (2₁,2₂, . . . ).

9. The system according to claim 1, in which said power management subsystems (2₁, 2₂, . . . ) being arranged on separate locations on board said marine vessel (1).

10. The system according to claim 1, in which one or more of said power management subsystems (2₁,2₂, . . . ) being arranged for furnishing control signals (17) to one or more switches or tie breakers (91, 92) on said electrical power distribution grid (90) of said marine vessel (1).

11. The system according to claim 1, in which said real and simulated power generation system (6, 6′

) comprises one or more separate real and simulated power generation subsystems (6₁, 6₁′

, 6₂, 6₂′

, . . . ).

12. The system according to claim 1, in which one or more of said power management subsystems (2₁,2₂, . . . ) being arranged for providing signals (9) to one or more of said real and/or simulated separate power generation subsystems (6₁, 6₁′

, 6₂, 6₂′

, . . . ).

13. The system according to claim 1, in which said power management subsystem (2_i) is arranged for providing signals (9) to a corresponding real or simulated power generation subsystem (6_i, 6_i′

).

14. The system according to claim 1, in which one or more of said power management subsystems (2₁,2₂, . . . ) being arranged for furnishing power management subsystem control signals (11) such as so-called fast load reduction signals (11) to said real or simulated power consuming system (7,7′

).

15. The system according to claim 1, in which one or more of said real and said simulated power generation subsystems (6₁, 6₁′

, 6₂, 6₂′

, . . . ) comprises one or more of the following;

a real prime mover (611),

a real generator (612),

a real local power controller (613),

a simulated prime mover (611′

),

a simulated generator (612′

),

a simulated local power controller (613′

).

16. The system according to claim 1, in which said simulated or real local power controller (613₁, 613₁′

,613₂,613₂′

, . . . ) is arranged for receiving power management control signals (10) from said power management system (2) and/or said power management subsystem (2₁, 2₂, . . . ), and is further arranged for furnishing local power controller control signals (18) to a corresponding real or simulated prime mover (611₁, 611₁′

, 611₂, 611₂′

, . . . ) such as desired revolution speed ,and/or a real or simulated Generator (612₁, 612₁′

, 612₂, 612₂′

, . . . ). such as desired generator magnetization.

17. The system according to claim 1, in which said real or simulated local power controller (613, 613′

) is arranged for receiving generator feedback signals (121) from said one or more simulated or real generators (612₁, 6l2₁′

, 612₂, 612₂′

, . . . ), and is further arranged for receiving power distribution feedback signals (16) from said one or more real or simulated power grids (90, 90′

).

18. The system according to claim 1 in which said real or simulated local power controller (613, 613′

) is arranged for furnishing local power controller feedback signals (16) to one or more of said power management subsystems (2₁,2₂, . . . ).

19. The system according to claim 1, in which one or more of said real or simulated power generation subsystems (6₁, 6₁′

, 6₂, 6₂′

, . . . ) is arranged for furnishing real or simulated power generation feedback signals (12,12′

) to one or more of said power management subsystems (2₁,2₂, . . . ).

20. The system according to claim 1, in which one or more of said real and simulated electrical grids (90, 90′

) is arranged for furnishing real and simulated power distribution feedback signals (16,16′

), such as voltage signals, respectively to one or more of said power management subsystems (2₁,2₂, . . . ).

21. The system according to claim 1, in which said power management system (2) being arranged for furnishing power management system feedback signals (13) to said dynamic positioning system (3).

22. The system according to claim 1, in which said power consuming system (7′

) being arranged for furnishing power consumption feedback signals (14′

) to said dynamic positioning system (3).

23. The system according to claim 1, in which said power consuming unit (7) comprises a local thruster controller (711) and a real and/or simulated propulsion unit (710,710′

).

24. The system according to claim 1, in which said local truster controller (711) is arranged for furnishing signals (9) to said one or more of power management system (2) and/or power management subsystems (2₁,2₂, . . . ).

25. The system according to claim 1, in which said local truster controller (711) is arranged for receiving control signals (11) such as fast load reduction signals (11) from one or more of said power management system (2) and/or power management subsystems (2₁,2₂, . . . ).

26. The system according to claim 1, in which said local thruster controller (711) is arranged for receiving command signals (8) from said dynamic positioning system (3).

27. The system according to claim 1, in which said local thruster controller (711) is arranged for furnishing local thruster controller control signals (172) to said simulated or real propulsion system (710, 710′

).

28. The system according to claim 1, in which said real or simulated propulsion unit (710, 710′

) is arranged for furnishing propulsion feedback signals (15, 15′

) to said local thruster controller (711) and/or said dynamic positioning system (3).

29. The system according to claim 1, in which one or more of the signals to and from the tested system or systems are logged on a logger (130).

30. A method for testing the power management system (2) of a marine

vessel (1), in which said power management system (2) controls electrical energy generation systems (6), in which said power management system (2) receives first signals (9) from a power consuming system (7), and as a response to which said power management system (2) furnishes second control signals (10) to a power generation system (6) furnishing power (P) to said power consuming system (7), characterized by

connecting a simulator (120) to said power management system (2),

said simulator (120) providing simulated control signals (8′

) pertaining to a desired state of a simulated power consuming system (7′

) to said simulated power consuming system (7′

) or an external system (3) providing real control signals (8) pertaining to said desired state of said simulated power consuming system (7′

),

said simulator (120) comprising a simulated power generation module (6′

) furnishing simulated power (P′

) to said simulated power consuming system (7′

),

said simulated power consuming system (7′

) providing simulated signals (9′

) to said power management system (2),

said power management system (2) furnishing control signals (10) to said simulated power generation system (6′

) as a response to said simulated signals (9′

),

said simulated power generation system (6′

) providing simulated power (P′

) to said simulated power consuming system (7′

) as a response to said control signals (10),

for the functional, performance or failure mode testing of said power management system (2).

31. The method according to claim 30, using a dynamic positioning system (3) for furnishing command signals (8) to said real and/or simulated power consuming system (7, 7′

), and for receiving commands (41) from a command console (4) pertaining to the overall state of said vessel (1).

32. The method according to claim 30, said simulator (120) further comprising a simulated vessel (1′

), said simulator (120) providing simulated forces (F′

) to said simulated vessel (1′

) from a simulated power consuming system (7′

) being a thruster system (7′

), said simulated vessel (1′

) comprising an algorithm computing the dynamic behavior of said simulated vessel (1′

) when said simulated vessel (1′

) is subject to simulated environmental loads and said forces (F′

) from said simulated power consuming system (7′

).

33. The method according to claim 30, in which said power management

system (2) is disconnected from said power consuming system (7) and said power generation system (6).

34. The method according to claim 30, in which said power management system (2) functions as a distributed power management system (2), in which said power management system (2) comprises one or more power management subsystems (2₁, 2₂, . . . ).

35. The method according to claim 30, in which said dynamic positioning system (3) receives signals (5′

) from said simulated vessel (1′

) pertaining to the state of said vessel (1′

), and as a response to said signals (5′

) furnishes command signals (8) to said simulated power consuming system (7′

) pertaining to a desired state of said simulated vessel (1′

), such as desired vessel speed, heading, position, shaft speed.

36. The method according to claim 30, in which one or more of said power management subsystems (2₁,2₂, . . . ) provides control signals (17) for opening or closing one or more switches or tie breakers (91, 92) on said electrical power distribution grid (90) of said marine vessel (1).

37. The method according to claim 30, in which said real and simulated power generation system (6, 6′

) functions as one or more separate real and simulated power generation subsystems (6₁, 6₁′

, 6₂, 6₂′

, . . . ).

38. The method according to claim 30, in which one or more of said power management subsystems (2₁,2₂, . . . ) provides signals (9) to one or more of said real and/or simulated separate power generation subsystems (6₁, 6₁′

, 6₂, 6₂′

, . . . ).

39. The method according to claim 30, in which said power management subsystem (2_i) provides signals (9) to a corresponding real or simulated power generation subsystem (6_i, 6_i′

).

40. The method according to claim 30, in which one or more of said power management subsystems (2₁,2₂, . . . ) furnishes power management subsystem control signals (11) such as so-called fast load reduction signals (11) to said real or simulated power consuming system (7,7′

).

41. The method according to claim 30, in which one or more of said power generation subsystems (6₁, 6₁′

, 6₂, 6₂′

, . . . ) includes one or more of the following;

a prime mover (611)

a generator (612)

a local power controller (613), said method comprising

running a simulated prime mover (611′

),

running a simulated generator (612′

),

running said real or a simulated local power controller (613, 613′

).

42. The method according to claim 30, in which said simulated or real local power controller (6l3₁, 613₁′

,613₂,613₂′

, . . . ) receives power management control signals (10) from said power management system (2) and/or a power management subsystem (2₁, 2₂, . . . ), and further furnishes local power controller control signals (18) to a corresponding real or simulated prime mover (611₁, 611₁′

, 611₂, 611₂′

, . . . ) and/or a real or simulated Generator (612₁, 612₁′

, 612₂, 612₂′

, . . . ).

43. The method according to claim 30, in which said real or simulated local power controller (613, 613′

) receives generator feedback signals (161) from said one or more simulated or real generators (6l2₁, 612₁′

, 612₂, 612₂′

, . . . ) and/or power distribution feedback signals (16) from said one or more real or simulated power grids (90, 90′

).

44. The method according to claim 30, in which one or more of said real or simulated power generation subsystems (2₁,2₂, . . . ) furnishes power management control system signals (10) to one or more of said real or simulated power consuming systems (7,7′

).

45. The method according to claim 30 in which one or more of said real or simulated power generation subsystems (6₁, 6₁′

, 6₂, 6₂′

, . . . ) furnishes real or simulated power generation feedback signals (12,12′

) to one or more of said power management subsystems (2₁,2₂, . . . ).

46. The method according to claim 30, in which said power management system (2) furnishes power management system feedback signals (13) to said dynamic positioning system (3).

47. The method according to claim 30, in which said power consuming system (7′

) furnishes power consumption feedback signals (14′

) to said dynamic positioning system (3).

48. The method according to claim 30, in which said power consuming unit (7) comprises a local thruster controller (711) and a real or simulated propulsion unit (710,710′

).

49. The method according to claim 30, in which said local truster controller (711) furnishes local thruster controller command signals (172) to one or more of said power management system (2) and/or power management subsystems (2₁,2₂, . . . ).

50. The method according to claim 30, in which said local truster controller (711) receives real or simulated signals (9) from one or more of said power management system (2) and/or power management subsystems (2₁,2₂, . . . ).

51. The method according to claim 30, in which said local truster controller (711) is furnishes local thruster controller feedback signals (171) to said dynamic positioning system (3).

52. The method according to claim 30, in which said local truster controller (711) receives command signals (8) from said dynamic positioning system (3).

53. The method according to claim 30, in which said local truster controller (711) furnishes local thruster controller control signals (172) to said simulated or real propulsion system (710,710′

).

54. The method according to claim 30, in which said real or simulated propulsion unit (110, 110′

) furnishes propulsion feedback signals (15, 15′

) to said local thruster controller (711) and/or said dynamic positioning system (3).

55. The method according to claim 30, in which some or all of the signals to and from some or all of the tested systems are logged on a data logger (130).