KR102075966B1 - Operator training system for power management of marine structure - Google Patents

Abstract

The present invention relates to an operator training system for offshore structure power management, and more particularly, to a system that can be used for training of an operator by virtualizing and modularizing a power generation system, a distribution system, a consumption system, and a management system.

Description

OPERATOR TRAINING SYSTEM FOR POWER MANAGEMENT OF MARINE STRUCTURE}

The present invention relates to an operator training system for offshore structure power management, and more particularly, to a system that can be used for training of an operator by virtualizing and modularizing a power generation system, a distribution system, a consumption system, and a management system.

The power of offshore structures, including ships, drillships, and the like, is produced by generators driven by diesel engines, gas turbines or steam turbines, and the majority of the power is consumed by electric engines or motors for propellers and thrusters.

Power overload, large power fluctuations or shutdown of a power plant can occur if it results in a rapidly fluctuating power consumption in a dynamic positioning (DP) system for station maintenance or operation in offshore structures.

Power overload situations, referred to as black-outs, are very dangerous and can cause equipment damage and serious shipwreck or shipwreck. Therefore, it is necessary to test the interactions of the DP control system, the power generation system and the power management system, or the marine automation system and to conduct periodic training for the operator in order to prevent blackouts and unstable power fluctuations. do.

However, it is practically impossible to test the normal operation of the power management system or perform the operator's training using a system operating on the actual offshore structure itself, because it causes tremendous obstacles in operation.

The present invention relates to an operator training system for offshore structure power management, and more particularly, to a system that can be used for training of an operator by virtualizing and modularizing a power generation system, a distribution system, a consumption system, and a management system.

According to one aspect, a state signal is received from each of a power generation system virtualization module, a power distribution system virtualization module, and a power consumption system virtualization module of an offshore structure, respectively. A power management system virtual module configured to transmit a control signal to the power management system for normal operation of the marine structure;

A receiver configured to receive environmental information data sensed by a sensor or operation output data of an element of the marine structure sensed by the sensor; And

Applying an operation condition change to at least one of the power generation system virtualization module, the power distribution system virtualization module, the power consumption system virtualization module, and the power management system virtualization module based on the environment information data or the operation output data. And an input unit configured to input a change control signal.

Preferably,

The virtual power management system virtual module is implemented as a plurality of sub-system blocks according to a performance function or an arrangement position.

Preferably,

The power generation system virtualization module is characterized in that any one of the diesel engine, the gas turbine, the steam turbine of the offshore structure modeled to the steady-state operating conditions.

Preferably,

And a generator system virtualization module that virtualizes a generator for converting rotational force received from any one of the diesel engine, gas turbine, and steam turbine into electrical energy.

The characteristic of the power supply signal which is the output of the power generation system virtualization module is changed based on the operation output data of the generator system virtualization module.

Preferably,

The power generation system virtualization module receives a control signal for the power generation system virtualization module or operation output data of a generator received from the sensor and the power control system virtualization module from the power management system virtualization module, and the power distribution And a power supply signal for supplying power to the power consumption system virtualization module through a system virtualization module and a status signal of the power generation system virtualization module to the power management system virtualization module.

Preferably,

The power distribution system virtualization module is characterized by modeling at least one or more of the transformer (transformer), the switch board (switch board) to a steady state operating conditions.

Preferably,

The power distribution system virtualization module receives the power supply signal from the power generation system virtualization module and the control signal or the change control signal for the power distribution system virtualization module from the power management system virtualization module, and the power consumption system. And converts and outputs a power application signal for application to a virtualization module and outputs a state signal of the power distribution system virtualization module to the power management system virtualization module.

Preferably,

The power consumption system virtualization module is characterized by modeling a non-propulsion power consuming system.

Preferably,

The non-propelled power consumption system is characterized in that at least one of the heating or cooling system, the pump, the heap (compensation), the compressor (train), the compressor train modeled in the steady-state operating conditions.

Preferably,

The power consumption system virtualization module may receive an electrical load output signal from the propulsion power consumption system of the marine structure, and output a driving signal for driving the propulsion power consumption system based on the electrical load output signal. .

Preferably,

The propulsion power consumption system includes a DP system virtualization module that virtualizes a dynamic positioning (DP) system including a propeller, a thruster drive motor, or a rudder drive module of the offshore structure; It is characterized by that.

Preferably,

A ship virtualization module virtualizing the marine structure; And

The ship virtualization module may calculate a position of the offshore structure and the bow angle of the offshore structure changed by the environmental information data and output the calculated to the DP system virtualization module.

Preferably,

The environmental information data includes the position of the marine structure, the wind speed sensed by the sensor, the wave height, the speed of the tidal current, the operation output data detected by the sensor is a generator constituting the marine structure Or an electrical output characteristic of the thruster driving motor.

Preferably,

The power management system virtualization module is configured to perform at least one or more of partial black out, black out, shutdown for engine, and pre-warning from engine.

Preferably,

The drive signal is characterized in that the drive speed adjustment control signal of the thruster drive motor.

According to the operator training system for offshore structure power management according to the present invention, it is possible to test the interaction of the main equipment of power generation, distribution, consumption and management without interrupting the normal mission performance of offshore structures including ships, There is an effect that the operator can perform periodic training to avoid serious situations such as blackouts.

1 is a view showing a schematic diagram of an operator training system for power management of offshore structures according to the present invention.
2 is a view schematically showing a power system diagram of an offshore structure according to the present invention.
3 is a view showing another embodiment of a power system diagram of an offshore structure according to the present invention.
4 is a diagram illustrating an embodiment of a virtualization module of an operator training system for power management of offshore structures according to the present invention.
5 is a diagram illustrating a generator and a corresponding virtualization module of an operator training system for power management of offshore structures according to the present invention.
6 is a diagram illustrating a motor and a corresponding virtualization module of an operator training system for power management of offshore structures according to the present invention.
7 is a diagram illustrating a transformer and a corresponding virtualization module of an operator training system for power management of offshore structures according to the present invention.
8 is a view showing a variable frequency drive (VFD) and a corresponding virtualization module of an operator training system for power management of offshore structures according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in more detail with respect to the operator training system for power management of marine structures according to an embodiment of the present invention.

In the following description of the present invention, if it is determined that the detailed description of functions or configurations known and known in the art may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In addition, the technical terms to be described below are terms defined in consideration of functions and the like in the present invention, which may vary according to the intention or custom of those skilled in the art. Therefore, definitions of the terms should be determined based on the contents described throughout the present specification.

1 is a view showing a schematic diagram of an operator training system for power management of offshore structures according to the present invention.

The operator training system for offshore structure power management aims at optimizing the characteristics of the offshore structure power generation system, power distribution system, power consumption system, and power management system to utilize the power management training of the operator.

A feature of the present invention is to virtualize the power management system to integrate with the power generation system, distribution system, and consumption system, and to model the generator and the motor to obtain dynamic characteristics or to sense the dynamic characteristics of the actual generator and motor. It is characterized by providing higher realism by sensing through (not shown) and providing the detected result to the related virtualization module.

The operator training system for offshore structures according to the present invention utilizes functions provided by software such as Matlab, which can be run on a computer, as well as transformers, switch boards, as well as active devices such as generators and thrusters. It can be implemented by virtualizing or modeling the same passive components and connecting and placing them similarly to power systems such as real ships.

The operator training system of an offshore structure according to the present invention detects environmental variables (eg, wind speed, wind direction, wave height, bird direction or bird speed, etc.) surrounding the offshore structure using various kinds of sensors installed in the offshore structure. Or by detecting the output characteristics of components of offshore structures (eg, generators, motors, thruster drive motors) and providing them to virtualized modules, providing data on power generation and power consumption in actual ship operation. There is a manageable feature almost similar to.

The operator training system for an offshore structure according to the present invention includes a power generation system 130, a power distribution system 140, a power consumption system 150, and a power management system 110 as shown in FIG. 1.

The power generation system virtualization module 130 is characterized in that any one of a diesel engine, a gas turbine, a steam turbine of the offshore structure is modeled under steady-state operating conditions.

Specifically, the power generation system virtualization module 130 is a module of equipment for producing power consumed in offshore structures. The power generation system virtualization module 130 may be classified into a diesel engine, a gas turbine, a steam turbine, and the like according to an engine model. Based on this, a virtualization module can be generated.

In one embodiment, the steady-state operating conditions for the creation of the virtualization module are inclusively referring to the operating conditions or setting ranges of each piece of equipment that allow for operation within a range that may not cause blackout or shutdown of the offshore structure. It is.

In an embodiment, the steady state operating condition may be an operating range of each device intended by the operator, and the operator may set a range or an operating characteristic in consideration of characteristics of each device.

The power generation system virtualization module 130 may further include a generator system virtualization module that virtualizes a generator converting rotational force received from any one of a diesel engine, a gas turbine, and a steam turbine into electrical energy.

In other words, a generator that converts mechanical rotational force received from the engine into electrical energy is virtualized using an equivalent mathematical model using Matlab Simulink and SimPower models.

The power generation system virtualization module 130 ultimately produces power required for offshore structures such as ships and finally outputs a power supply signal, and the characteristics of the power supply signal depend on the operation output data of the generator. Can be.

The operation output data sensed by the sensor (not shown) may include electrical output characteristics of a generator or thruster driving motor constituting the offshore structure.

As described above, the generator system 131 may be generated and operated by a virtualization module, or may provide a power generation system virtualization module 130 by sensing an operating characteristic of an actual generator system through a sensor and providing the characteristic of a power supply signal. To control.

The operator training system according to the present invention enables virtualization of passive elements such as transformers and switch boards as well as active elements such as generators or motors.

Passive devices also utilize modules provided in software such as matlab, and can be adjusted similarly to the real environment by adjusting their operating range to match the operation of offshore structures.

The power distribution virtualization module 140 performs a function of distributing the power produced by the power generation virtualization module to the power consumption system, including the virtualized transformer, switch board, and the like.

In one embodiment of the present invention, the power consumption system virtualization module 150 may be a model of a non-propulsion power consuming system. Specifically, the non-propulsion power consumption system is characterized by modeling at least one or more of the heating or cooling system, the pump, the heap compensation system, the compressor train in the steady-state operating conditions.

In an embodiment, the steady state operating condition may be an operating range of each device intended by the operator, and the operator may set a range or an operating characteristic in consideration of characteristics of each device.

In one embodiment of the present invention, the power consumption system virtualization module 150 may be modeled on the propulsion power consumption system. The propulsion power consumption system may be a DP system virtualization module 153 that virtualizes a dynamic positioning (DP) system including a propeller, a thruster drive motor, or a rudder drive module of an offshore structure. That is, the propulsion power consumption system is an example of a power system involved in the change of direction or speed increase in the operation of offshore structures such as ships.

In contrast, the non-propelled power consumption system is not directly related to the operation of the offshore structure, but may be an example of electricity consumed in a residential area that provides heating, hot water, and electric heating to provide convenience for the crew's life. .

In one embodiment, the power consumption system virtualization module 150 may be configured as a combination of a non-driven power consumption system and a propulsion power consumption system.

The training system in the present invention is to improve the skill of the operator by virtualizing the modules of each part of the distribution and power management in the power generation of the offshore structure in the actual operating range, the power management system virtual module (Power Management System virtual module 120 is a state from each of the power generation system virtualization module 130, the power distribution system virtualization module 140, and the power consumption system virtualization module 150 of the offshore structure. It is configured to receive a state signal and transmit a control signal to each of them to test whether the power management system of the offshore structure is operating normally.

The training system according to the present invention includes an input unit (not shown) and a receiver unit (not shown), and the receiver unit is configured to include environmental information data sensed by a sensor (not shown) or elements of a marine structure sensed by the sensor. Receive operation output data.

The present invention can obtain output data from a module virtualized under steady state operating conditions for optimization of power management, but can obtain output data from elements constituting the actual offshore structure in order to create a more realistic situation.

That is, the training system includes a wired or wireless transmitter / receiver capable of communicating with the sensor, establishes a communication channel capable of communicating with the sensor, and then receives output data of a component of the marine structure obtained by the sensor. It is possible to build a power generation system virtualization module or a power consumption system virtualization module based on the received data.

Training system according to the present invention further comprises an input unit (not shown) based on the environmental information data or operation output data received from the sensor power generation system virtualization module 130, power distribution system virtualization module 140, power The change control signal may be input to at least one of the consumption system virtualization module 150 and the power management system virtualization module 120.

In one embodiment, the operator can change the operating range of each virtualization module in advance to determine the conditions of the black out state or the shutdown state, and in the actual situation by intentionally causing the shutdown state by assigning the worst condition You can get data that will prepare you for this.

The power generation system virtualization module 130 receives a control signal or a change control signal for the power generation system virtualization module 130 and an operation output data of a generator received from the sensor from the power management system virtualization module 120. The power supply signal supplying power to the power consumption system virtualization module 150 through the power distribution system virtualization module 140 and outputs a status signal of the power generation system virtualization module 130 to the power management system virtualization module 120. do.

The power distribution system virtualization module 140 receives a power supply signal from the power generation system virtualization module 130 and a control signal or change control signal for the power distribution system virtualization module 140 from the power management system virtualization module 120. In addition, the power consumption system virtualization module 150 converts the power to a power application signal for application and outputs the power management system virtualization module 120 to output the status signal of the power distribution system virtualization module 140.

The power consumption system virtualization module 150 receives a power application signal from the power distribution system virtualization module 140 and a control signal or change control signal for the power consumption system virtualization module 150 from the power management system virtualization module 120. And it can also receive the output data obtained by the sensor installed in the motor.

The power consumption system virtualization module 150 outputs a status signal of the power consumption system virtualization module 140 to the power management system virtualization module 120, and outputs a control signal of the system or the propulsion power consumption system at the time of non-driven power consumption. .

The power consumption system virtualization module 130 receives the electrical load output signal from the propulsion power consumption system of the offshore structure, and outputs a drive signal for driving the propulsion power consumption system based on the electrical load output signal. As a specific example of the driving signal, it may be expected to output a control signal for adjusting a variable frequency drive (VFD) to speed up the thruster driving motor. In one embodiment, the driving of the power consumption virtualization module 150 is driven. The signal may be a drive speed adjustment control signal of the thruster drive motor.

The power management system virtual module 120 may be implemented as a plurality of sub-system blocks according to performance functions or deployment positions.

Training system in the present invention may further include a ship virtualization module 152 virtualized offshore structures. The ship virtualization module is to grasp the influence of environmental information data on the basis of the appearance and operation characteristics of offshore structures.

Environmental information data in the present invention directly affects the operation of offshore structures such as ships, and may include the location of offshore structures, wind speeds detected by sensors, wave heights, and tidal currents.

The ship virtualization module 152 calculates the position of the offshore structure and the bow angle of the offshore structure that are changed by the environmental information data (or the environmental external force), and outputs it to the DP system virtualization module 153.

That is, the operator training system in the present invention modularizes each part of the power generation, distribution, and consumption system, and also modularizes the management system to provide power management throughout the offshore structure, and outputs the output data obtained through the sensor. By virtualizing on the basis, it is possible to provide situation information more realistically.

The power management system virtualization module 150 may perform at least one of partial black out, black out, shutdown for engine, and pre-warning from engine.

Power management system features include Pre-warning from engines, Shutdown of engines, Unavailable engine, Protection trip of generator, Protection trip of bus-tie, Generator synchronization failure, Generator CB not following command, Bus-tie synchronization failure, Bus Examples include tie CB not following command, Partial black out, Blackout, Protection trip of consumers, Failure of power reduction function of propulsion / thruster drives, Short-circuit of one switchboard.

2 is a view schematically showing a power system diagram of an offshore structure according to the present invention.

As mentioned in FIG. 1, the power system diagram of the offshore structure includes a generator and a power generation system such as 211 to 214, a switch board 220, a power distribution system such as a transformer 230, and a motor 240. The same power consumption system, and includes a power management system for power distribution and control of these portions.

3 is a view showing another embodiment of a power system diagram of an offshore structure according to the present invention.

3A schematically illustrates elements related to the power of an offshore structure, such as power generation systems such as engines and generators, power distribution systems such as switchboards, power consumption systems such as thrusters, and energy management systems (EMS). It includes a power management system.

FIG. 3B illustrates a power system diagram corresponding to FIG. 3A. The operator training system according to the present invention may be virtualized based on the system diagram of FIG. 3B.

4 is a diagram illustrating an embodiment of a virtualization module of an operator training system for power management of offshore structures according to the present invention.

As one embodiment of the operator training system virtualization module according to the present invention, the virtualization module of the thruster propulsion system, specifically the motor speed control system, includes the equivalent modeling of the VFD and the propulsion motor.

5 is a diagram illustrating a generator and a corresponding virtualization module of an operator training system for power management of offshore structures according to the present invention.

5 to 8 show elements of the virtualization module and corresponding marine structures in the present invention.

Figure 5 shows a generator corresponding to the power generation system of the ship, the generator is a variety of power, such as diesel engine / gas turbine / steam turbine is mechanically connected to the generator to produce power.

6 is a diagram illustrating a motor and a corresponding virtualization module of an operator training system for power management of offshore structures according to the present invention.

The motor is for driving a thruster or thruster, which is a propulsion power consumption system, and may be driven to change the position of the offshore structure, etc. in response to environmental data collected by the sensor.

7 is a diagram illustrating a transformer and a corresponding virtualization module of an operator training system for power management of offshore structures according to the present invention.

The transformer and the corresponding virtualization module shown in FIG. 7A constitute a power distribution system, and perform a function of converting and supplying a used voltage suitable for each equipment of an offshore structure.

8 illustrates a VFD and a corresponding virtualization module of an operator training system for power management of offshore structures according to the present invention.

FIG. 8 illustrates a module of VFD virtualized in the present invention using matlab software as shown in FIG. 8A Variable Frequency Drive (VFD) as an active element for controlling the speed of a motor.

120: power management system virtualization module 151: motor dynamic characteristics
130: power generation system virtualization module 131: generator dynamic characteristics
140: power distribution system virtualization module 152: ship virtualization module
150: power consumption system virtualization module 153: DPS module

Claims (15)

Receives a state signal from each of the power generation system virtualization module, power distribution system virtualization module, and power consumption system virtualization module of the offshore structure and controls each a power management system virtual module configured to transmit a signal to test whether the offshore structure is operating properly;
A receiver configured to receive environmental information data sensed by a sensor or operation output data of an element of the marine structure sensed by the sensor;
Applying an operation condition change to at least one of the power generation system virtualization module, the power distribution system virtualization module, the power consumption system virtualization module, and the power management system virtualization module based on the environment information data or the operation output data. An input unit for inputting a change control signal; And
And a ship virtualization module virtualizing the marine structure.
The power consumption system virtualization module receives an electrical load output signal from the propulsion power consumption system of the offshore structure, and outputs a drive signal for driving the propulsion power consumption system based on the electrical load output signal,
The propulsion power consumption system is a DP system virtualization module virtualizing a dynamic positioning (DP) system including a propeller, a thruster drive motor or a rudder drive module of the offshore structure;
The ship virtualization module calculates the position of the marine structure changed by the environmental information data, the bow angle of the marine structure and outputs to the DP system virtualization module, operator training system for offshore structure power management. The method according to claim 1,
The power management system virtual module is implemented as a plurality of sub-system blocks according to a performance function or a placement position, operator training system for offshore structure power management. The method according to claim 1,
The power generation system virtualization module is an operator training system for offshore structure power management, characterized in that the model of any one of the diesel engine, gas turbine, steam turbine of the offshore structure in a steady state operating conditions. The method according to claim 3,
And a generator system virtualization module that virtualizes a generator for converting rotational force received from any one of the diesel engine, gas turbine, and steam turbine into electrical energy.
And changing characteristics of a power supply signal that is an output of the power generation system virtualization module based on the operation output data of the generator system virtualization module. The method according to claim 4,
The power generation system virtualization module receives a control signal for the power generation system virtualization module or operation output data of a generator received from the sensor and the power control system virtualization module from the power management system virtualization module, and the power distribution A power supply signal for supplying power to the power consumption system virtualization module through a system virtualization module and outputs a status signal of the power generation system virtualization module to the power management system virtualization module, for offshore structure power management Operator Training System. The method according to claim 1,
The power distribution system virtualization module is characterized by modeling at least one or more of a transformer (transformer), switch board (switch board) to a steady state operating conditions, operator training system for offshore structure power management. The method according to claim 5,
The power distribution system virtualization module receives the power supply signal from the power generation system virtualization module and the control signal or the change control signal for the power distribution system virtualization module from the power management system virtualization module, and the power consumption system. And converting and outputting a power application signal for application to a virtualization module and outputting a status signal of the power distribution system virtualization module to the power management system virtualization module. The method according to claim 1,
The power consumption system virtualization module is characterized by modeling a non-propulsion power consuming system (operation system), operator training system for offshore structure power management. The method according to claim 8,
The non-propulsion power consumption system is characterized in that at least one or more of the heating or cooling system, pump, heave (compensation), compressor train modeled in the steady-state operating conditions, operator training system for offshore structure power management. delete delete delete The method according to claim 1,
The environmental information data includes at least one or more of the position of the marine structure, the wind speed detected by the sensor, the wind direction, wave height, the speed of the tidal current or the direction of the tidal current, the operation output data detected by the sensor is And an electrical output characteristic of a generator or a thruster driving motor constituting the offshore structure, operator training system for offshore structure power management. The method according to claim 1,
The power management system virtualization module is configured to perform at least one or more of partial black out, black out, shutdown for engine, and pre-warning from engine. Operator training system for structure power management. The method according to claim 1,
The drive signal is characterized in that the drive speed adjustment control signal of the thruster drive motor, operator training system for offshore structure power management.

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