KR20160036134A - Power distribution system for drill ship - Google Patents

Abstract

The purpose of the present invention is to provide a power distributing system for a drillship enabling a smooth power supply to the maximum number of consuming places except for consuming places with the minimum power consumption even though the operation of a specific generator connected to one switch board is impossible by independently supplying power to the multiple consuming places by forming an internal circuit breaker in an internal power supply line of the switch board receiving power from multiple generators and controlling the power supply to the consuming places. To achieve this, the present invention, in the power distributing device including the switch boards of which the number corresponds to the number of the generators controlling the power supply to the consuming places by receiving the power from the multiple generator, at least one internal circuit breaker is formed in the internal power supply line of the switch board in order to supply the power applied from the selected generator to one independent consuming place. A first thrust, a second thrust, a third thrust, a fourth thrust, a fifth thrust, and a sixth thrust are arranged in the first internal circuit breaker.

Description

Technical Field [0001] The present invention relates to a power distribution system for drill ship,

More particularly, the present invention relates to a power distributing apparatus for a drill ship, and more particularly, to a power distributing apparatus for a drill ship, which comprises an internal circuit breaker on an internal power supply line of a switchboard which receives electric power from a plurality of generators and interrupts power supply to a plurality of uses, The present invention relates to a pushbutton power distribution device capable of smoothly supplying power to a maximum use destination except for a minimum use place even if a specific power generator connected to one switch board can not be operated.

The drill ship is designed to exert external power such as a tugboat in accordance with the working conditions that often need to be moved for the purpose of development of the small field oil well and to navigate with its own power. In addition, And a magnetic position control system for securely holding the position of the ship at a predetermined drilling point.

FIG. 1 is a view showing a conventional drill ship power distribution device.

The slip-line power distribution apparatus includes a switch board that receives power generated from a plurality of generators and interrupts power supply to a plurality of uses.

The generator includes first and second generators G1 and G2 mounted on a port (left) engine room, third and fourth generators G3 and G4 mounted on a center side engine room, and a starboard And the fifth and sixth generators G5 and G6 mounted on the main body of the vehicle.

A plurality of thrusts for use in controlling the position of the drill rig, the first thrust (T1) disposed at the bow center, the second thrust (T2) disposed at the stern left side, the third thrust (T3) A fourth thrust T4 disposed on the right of the stern, a fifth thrust T5 disposed on the right of the thruster, and a sixth thrust T6 disposed on the stern center.

At this time, the switch board includes a first switch board 10 receiving power from the first and second generators G1 and G2 to intermittently supply power to the first and second thrusts T1 and T2, A second switch board 20 for receiving electric power from the first and fourth generators G3 and G4 and interrupting power supply to the third and fourth thrusts T3 and T4, And a third switch board (30) for receiving electric power from the first and second thrusts (T5, T6) and interrupting power supply to the fifth and sixth thrusts (T5, T6).

The external power supply line for connecting the first, second and third switch boards 10, 11 and 12 to each other is provided with an external circuit breaker 20.

Due to such a configuration, the first to third switch boards 10, 11 and 12 to which the power produced through the first to sixth generators G1 to G6 are applied are connected to the first to sixth thrusts T1 to T6 Power can be supplied evenly to the selected thrust, or power can be concentrated on the selected thrust as needed. In other words, since the power distributing unit divides thrusts (applications) interrupted by the switch boards 10, 11 and 12 into three zones via the external circuit breaker 20, any one of the plurality of generators If the normal operation is impossible, the external circuit breaker 20 connected to the switch board is shut off, so that the partial operation of the divided thrust can be performed through the remaining switch board.

The first to sixth thrusts T1 to T6 interrupted by the first, second, and third switch boards 10, 11, and 12 are crossed as shown in FIG. 2, When the first generator G1 or the second generator G2 can not be operated normally (when the generator is stopped or a problem occurs in the corresponding power supply line), the external circuit breaker 20 connected to the first switch board 10 And the magnetic position control of the drill string can be satisfied to some extent from the operation of the remaining third to sixth thrusts T3 to T6 through the second and third switch boards 11 and 12. [

However, since each switch board is configured to receive power from a plurality of generators and intermittently supply power to a plurality of thrusts, when one of the plurality of generators connected to each switchboard does not operate normally, As the normal operation of all the thrusts connected to the board becomes impossible, the magnetic position control of the drill ship can not be performed more efficiently and the safety of the magnetic position control system of the drill ship, such as the occurrence of overload due to the partial generator operation, .

SUMMARY OF THE INVENTION [0006] Accordingly, it is an object of the present invention to provide a method of operating a drill rig capable of smoothly supplying electric power to a user other than a minimum use site even when a generator among a plurality of generators connected to one switch board can not operate normally And to provide a power distribution device.

According to another aspect of the present invention, there is provided a power distribution apparatus for a drill ship including a switch board that receives electric power from a plurality of generators and controls power supply to a use place corresponding to the number of the generators, The internal power supply line of the switch board is provided with one or more internal breakers so as to supply power applied from the selected one generator to one independent use destination.

Preferably, the first thrust (T1) disposed at the bow center, the second thrust (T2) disposed at the stern left side, the third thrust (T3) disposed at the bow left side, the fourth thrust T4 disposed at the stern right side, A fifth thrust T5 disposed on the right side of the bow, and a sixth thrust T6 disposed on the stern center; In this case, the first switch board 10, which is provided inside the first switch board 10 receiving power from the first and second generators G1 and G2 and interrupting the power supply to the first and second thrusts T1 and T2, A breaker (100); A second internal circuit breaker (not shown) provided in the second switch board 11 for receiving electric power from the third and fourth generators G3 and G4 and interrupting power supply to the third and fourth thrusts T3 and T4 101); And a third switchboard (12) provided inside the third switch board (12) for receiving electric power from the fifth and sixth generators (G5, G6) and interrupting power supply to the fifth and sixth thrusts (T5, T6) (102).

In this case, the external power supply line connecting the first switch board 10, the second switch board 11, and the third switch board 12 to each other may be provided with the external circuit breaker 20.

The present invention provides an internal breaker on an internal power supply line of a switchboard that receives power from a plurality of generators and interrupts power supply to a plurality of uses, Even if the operation of a specific generator connected to the switchboard of the switchboard is not possible, it is possible to smoothly supply the power to the utmost use destination except for the minimum use place.

In particular, when any one of the generators interrupting a plurality of thrusts in the process of controlling the position of a drill rig is unable to operate normally, it is necessary to shut off the external circuit breaker connected to the corresponding switch board, If the normal operation of a specific generator is not possible because the internal circuit breaker provided on the internal power supply line of the switchboard is shut off and the individual independent drive is satisfied for multiple thrusts controlled by the switchboard, It is possible to perform the magnetic position control of the drill ship more efficiently in a state in which only the minimum thrust is stopped.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a power distribution apparatus of a conventional drill ship. FIG.
2 is a conceptual view showing a power distribution state to a thrust for controlling the position of a drill rig.
3 is a view showing a power distribution device for a drill rig according to the present invention;

The features and advantages of the present invention described above or not described above will be more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings.

3 is a view showing a power distribution apparatus for a drill rig according to the present invention.

Referring to FIGS. 2 and 3, similarly to the prior art, the drill ship power distribution apparatus according to the present invention includes switch boards 10, 11, and 12 for receiving power generated from a plurality of generators and controlling power supply to a plurality of uses .

The generator used in the drill ship includes first and second generators G1 and G2 mounted in a port (left) engine room, third and fourth generators G3 and G4 mounted in a center-side engine room, (Right) and fifth and sixth generators (G5 and G6) mounted in the engine room.

The first thrust (T1) disposed at the bow center, the second thrust (T2) disposed at the left of the stern, the third thrust (T3) disposed at the left of the bow, and the second thrust A fourth thrust T4 disposed, a fifth thrust T5 disposed on the bow right side, and a sixth thrust T6 disposed on the stern center.

At this time, the switch board includes a first switch board 10 receiving power from the first and second generators G1 and G2 to intermittently supply power to the first and second thrusts T1 and T2, A second switch board 11 for receiving electric power from the generators G3 and G4 and interrupting power supply to the third and fourth thrusts T3 and T4, And a third switch board (12) for receiving electric power and interrupting power supply to the fifth and sixth thrusts (T5, T6).

The external power supply line for connecting the first, second and third switch boards 10, 11 and 12 to each other is provided with an external bus tie circuit breaker 20.

As a result, the first to third switch boards 10, 11 and 12, which are supplied with the power generated through the first to sixth generators G1 to G6, supply power to the first to sixth thrusts T1 to T6 It is possible to uniformly supply power or to concentrate power consumption on a selected thrust as needed.

On the other hand, in the drill ship power distribution apparatus, the internal power supply lines of the switch boards (10, 11, 12) are provided with one or more internal breakers (10, 11, 12) so as to supply the electric power applied from the selected one generator 100, 101, and 102: Internal Bus Tie Circuit Breaker.

As shown in detail, in the first switch board 10 receiving power from the first and second generators G1 and G2 and interrupting power supply to the first and second thrusts T1 and T2, A second switch board 11 having a first internal breaker 100 and receiving power from the third and fourth generators G3 and G4 to intermittently supply power to the third and fourth thrusts T3 and T4 The second internal breaker 101 is provided in the interior of the first and sixth power generators G5 and G6 and the third internal breaker 101 is connected to the third and fifth power generators G5 and G6 to supply power to the fifth and sixth thrusts T5 and T6. Inside the switch board 12, a third internal breaker 102 is configured.

The power distributing device having such a configuration can distribute the electric power generated from the first to sixth generators G1 to G6 evenly to the first to sixth thrusts T1 to T6, The electric power of the first generator G1 is supplied to the first thrust T1 and the second electric power is supplied to the second thruster T1 while the external breaker 20 provided on the external power supply line and the internal circuit breakers 100, 101, The electric power of the generator G2 to the second thrust T2, the electric power of the third generator G3 to the third thrust T3, the electric power of the fourth generator G4 to the fourth thrust T4, The power of the fifth generator G5 can be supplied to the fifth thrust T5 and the power of the sixth generator G6 can be supplied independently of the sixth thrust T6.

Even if any one of the first to sixth generators G1 to G6 is stopped or a problem arises in the power supply line connected thereto, even if the external circuit breaker 20 connected to the switch board is closed, Both the power supply to the two thrusts controlled by the corresponding switch board are not stopped but the external breaker 20 connected to the switch board and the internal breaker provided inside the switch board are closed, The power supply to one thrust can be stopped and the power supply to the remaining five thrusts can be smoothly performed.

As a result, it is possible to operate the drill ship more efficiently in the process of controlling the position of the drill, and it is possible to secure a stable magnetic position control system such as reducing the load of the generator and the drive system.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

G1 to G6: generator
T1 ~ T6: Where to use (thrust)
10, 11, 12: Switch board
20: External Bus Tie Circuit Breaker
100, 101, and 102: Internal Bus Tie Circuit Breaker

Claims (3)

And a switch board for receiving electric power from the plurality of generators and controlling power supply to a use place corresponding to the number of the generators, the apparatus comprising:
Wherein the internal power supply line of the switchboard is provided with one or more internal breakers so as to supply power applied from the selected one generator to one independent use destination. The method according to claim 1,
A second thrust T2 disposed at the stern left side, a third thrust T3 disposed at the left side of the bow, a fourth thrust T4 disposed at the right side of the stern, A fifth thrust T5 disposed in the stern center, and a sixth thrust T6 disposed in the stern center,
A first internal circuit breaker (not shown) provided in the first switch board 10 receiving power from the first and second generators G1 and G2 and interrupting power supply to the first and second thrusts T1 and T2, 100); A second internal circuit breaker (not shown) provided in the second switch board 11 for receiving electric power from the third and fourth generators G3 and G4 and interrupting power supply to the third and fourth thrusts T3 and T4 101); And a third switchboard (12) provided inside the third switch board (12) for receiving electric power from the fifth and sixth generators (G5, G6) and interrupting power supply to the fifth and sixth thrusts (T5, T6) (102). ≪ / RTI > 3. The method of claim 2,
Wherein the external power supply line connecting the first switch board (10), the second switch board (11), and the third switch board (12) to each other is provided with an external circuit breaker (20).

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