JP2008043163A - Support system of power failure operation by working - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problems that experience and ability of a person to prepare are required in preparing a power failure sheet, and that time is needed because a sequence diagram is required to be decoded and prepared. <P>SOLUTION: A support system of a power failure operation by working comprises a switching state storage means 10, a system diagram display means 1, a power failure system selecting means 2, an operating procedure display means 4, and a simulating operation means 5. The switching state storage means memorizes a switching state of a circuit breaker in an electric power system. The system diagram display means displays the switching state of the circuit breaker, and an energized state of each system on a system diagram. The power failure system selecting means selects the system of which power is interrupted, from the system diagram displayed. The operating procedure display means displays an operating procedure to switch the selected system to a power failure system. The simulating operation means operates the circuit breaker in a simulating manner based on the displayed operating procedure. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a work power failure operation support system that simulates a power failure switching operation before a work power failure operation in a power system.

  When a periodic inspection is performed at a power plant, it is necessary to perform a work power outage operation to switch the inspection target system to a power outage system. In order to perform this work power outage operation safely and reliably, a power outage operation slip which is an operation procedure is created in advance. Conventionally, a power outage operation slip has been created while referring to a power outage operation slip at the time of a past periodic inspection while confirming a power outage range based on the inspection target for each periodic inspection with a system diagram.

  Further, a work blackout operation procedure creation device that identifies a work blackout range on a computer and creates a switch operation procedure is known (see, for example, Patent Documents 1 to 3).

JP 2004-135394 A Japanese Patent Laid-Open No. 9-140058 JP-A-7-194032

However, the creation of a power outage operation vote requires the experience and ability of the creator, and it is necessary to decode and create the sequence diagram.
Moreover, although the work blackout operation procedure preparation apparatus of patent documents 1-3 is useful for specifying an appropriate work blackout range, it reduces the man-hour required for preparation of a blackout operation slip and work blackout operation, and it is quick. And the subject that operation blackout operation could not be performed reliably remained.

  In order to solve the above problems, the present invention provides an open / close state storage means for storing an open / close state of a circuit breaker in a power system, and a system for displaying the open / close state of the circuit breaker and the energization state of each system on a system diagram. Based on the figure display means, the power failure system selection means for selecting the power failure system from the displayed system diagram, the operation procedure display means for displaying the operation procedure for switching the selected system to the power failure system, and the displayed operation procedure It is an object of the present invention to provide a work blackout operation support system including a simulation operation means for simulating a circuit breaker.

  The present invention includes precondition storage means for storing preconditions on which the simulation operating means is premised on whether or not each breaker can be operated, and the circuit breaker operation preconditions and the circuit breaker stored in the open / close state storage means are stored. The work power failure operation support system according to claim 1, wherein the open / close state is compared to determine whether or not the circuit breaker can be operated.

  The present invention comprises a precondition storage means for storing a precondition for the operation procedure display means to be premised on whether or not each circuit breaker can be operated. The work power failure operation support system according to claim 1, wherein an operation procedure for automatically switching a selected system to a power failure system based on the open / close state is provided.

  The present invention provides the work power failure operation support system according to any one of claims 1 to 3, wherein the simulation operation means includes an operation procedure correcting means for correcting an operation procedure for switching the selected system to the power failure system. It is.

  5. The work power failure operation support system according to claim 1, wherein the system diagram display means displays the circuit breaker operated in each operation item of the simulated operation and the energization state of each system. Is to provide.

  The work according to any one of claims 1 to 5, wherein the system diagram display means compares and displays the energized state before the operation and the energized state after the operation in each operation item of the simulated operation. A power failure operation support system is provided.

  The present invention provides the work power failure operation support system according to any one of claims 1 to 6, further comprising automatic operation means for automatically switching a system selected after confirming an operation procedure in the simulation operation means to a power failure system. Is.

  The present invention provides the work power failure operation support system according to claim 7, wherein the automatic operation means automatically performs the interlock operation of the circuit breaker.

  According to the work blackout operation support system according to the present invention, the open / close state storage means for storing the open / close state of the circuit breaker in the power system, and the open / close state of the circuit breaker and the energization state of each system are displayed on the system diagram. Based on the system diagram display means, the power outage system selection means for selecting the power outage system from the displayed system diagram, the operation procedure display means for displaying the operation procedure for switching the selected system to the power outage system, and the displayed operation procedure By selecting the appropriate power failure system while confirming the open / close state of the circuit breaker in the power system and the energization state of each system on the system diagram. It is possible to confirm that the selected system is safely switched by the displayed operation procedure and the circuit breaker simulation operation. In addition, there is an effect that the work blackout operation can be reliably performed based on the displayed operation procedure.

  The present invention includes precondition storage means for storing preconditions on which the circuit breaker operates as a premise for the operation of each circuit breaker, and the circuit breaker operation preconditions stored in the open / close state storage means With the configuration according to claim 1, which determines whether or not the circuit breaker can be operated by comparing the open / closed state, even an inexperienced operator can quickly establish the preconditions for operating the circuit breaker and determine whether or not the actual operation can be performed. In addition, it can be surely grasped, and there is an effect that it is possible to prevent the occurrence of problems such as power outages and accidents in other systems due to erroneous operation of the circuit breaker.

  The present invention includes a precondition storage means in which the operation procedure display means stores preconditions on which each circuit breaker can be operated, and the circuit breakers stored in the preconditions for circuit breaker operation and the open / close state storage means An operation procedure that satisfies the preconditions for circuit breaker operation is automatically created by having the configuration according to claim 1 that automatically creates an operation procedure for switching the system selected based on the open / closed state to the power failure system. Therefore, there is an effect that the work blackout operation can be performed quickly and reliably.

  The present invention is displayed by having the configuration according to any one of claims 1 to 3, wherein the simulation operation means includes operation procedure correction means for correcting an operation procedure for switching the selected system to a power failure system. In addition to being able to change the operating procedure, there is an effect that the open / close state of the circuit breaker in the power system and the energized state of each system can be confirmed on the system diagram based on the changed operating procedure.

  According to the present invention, the system diagram display means has a configuration according to any one of claims 1 to 4, wherein the circuit breaker operated in each operation item of the simulated operation and the energization state of each system are displayed. The circuit breaker operated in each operation stage and the energization state of each system can be grasped, and the system can be switched safely.

  The configuration according to any one of claims 1 to 5, wherein the system diagram display means compares and displays the energized state before the operation and the energized state after the operation in each operation item of the simulated operation. Thus, there is an effect that it is possible to grasp at a glance the change in the energization state of the system before and after each operation, and to easily determine whether or not the operation is possible.

  The present invention comprises an automatic operation means for automatically switching a system selected after confirming an operation procedure in the simulation operation means to a power failure system, thereby providing a work power failure. The man-hours required for the operation can be greatly reduced, and troubles due to erroneous operations can be prevented.

  According to the present invention, since the automatic operation means automatically performs the interlock operation of the circuit breaker, the interlock operation of the circuit breaker can also be automatically performed by selecting the circuit breaker. There is an effect that it is possible to reliably switch the maintained system to the power failure system and maintain it.

Embodiments of the present invention will be described based on examples shown in the drawings.
The work power failure operation support system according to the present invention includes an open / close state storage means 10 that stores the open / close state of a circuit breaker in a power system, and a system that displays the open / close state of the circuit breaker and the energization state of each system on a system diagram. The figure display means 1, the power failure system selection means 2 for selecting the power failure system from the displayed system diagram, the operation procedure display means 4 for displaying the operation procedure for switching the selected system to the power failure system, and the displayed operation procedure And a simulation operating means 5 for simulating the circuit breaker based on the above.

  In the embodiment shown in FIG. 1, the work power failure operation support system includes an open / close state storage means 10, a system diagram display means 1, a power failure system selection means 2, an operation procedure display means 4, and a simulation operation means 5. Become.

  The open / close state storage means 10 stores circuit breaker data in the power system, and is configured to store the open / close state of each circuit breaker. The open / close state storage means 10 receives the open / close state of each circuit breaker from a circuit breaker open / close control device (not shown) and can update it to the latest open / close state. In the illustrated embodiment, the work power failure operation support system includes a precondition storage unit 11 that stores a precondition that is a precondition for the operation of each circuit breaker.

  Based on the open / close state of the circuit breaker in the electric power system stored in the open / close state storage means 10, the system diagram display means 1 shows the open / close state of the circuit breaker and the energization state of each system on the system diagram as shown in FIG. It can be displayed on the screen. The system diagram display means 1 can display the entire power system and can display an arbitrary area. 7 to 15, white squares represent circuit breakers in an open state, and black squares represent circuit breakers in a closed state. Further, the black solid line represents the energization system, and the gray solid line represents the power failure system.

  As shown in FIG. 3, the power failure system selection means 2 is configured so that it can be selected by clicking on the system that causes the power failure on the system diagram displayed on the system diagram display means 1. The power failure system selection means 2 can select by clicking a system with a touch panel or a cursor. The power failure system selection means 2 can also select a system by directly inputting a system number. As shown in FIG. 8, the power failure system selection means 2 changes and displays the line type / color of the selected system so that the selected range can be easily confirmed.

  As shown in FIGS. 4 to 6, the operation procedure display means 4 can display the operation procedure for switching the system selected by the power failure system selection means 2 to the power failure system on the same screen as the system diagram of the system diagram display means 1. It is configured so that it can. The operation procedure display means 4 displays the operation procedure and the system diagram side by side for each operation item, and can display the open / close state of the circuit breaker and the energization state of each system at each operation stage.

  In the embodiment shown in FIG. 1, the operation procedure display means 4 includes an operation procedure creation means 3. The operation procedure creating means 3 switches the selected system to the power failure system based on the preconditions for the circuit breaker operation stored in the precondition storage means 11 and the circuit breaker open / close state stored in the open / close state storage means 10. The operation procedure is configured to be created automatically. In addition, the operation procedure creating means 3 includes storage means for storing operation procedures created in the past, and can also display the past operation procedures of the selected system as a reference.

The simulated operation means 5 is configured to simulate the circuit breaker based on the operation procedure displayed by the operation procedure display means 4. The simulated operation means 5 blinks and displays the circuit breaker operated on the system diagram for each operation item of the simulated operation, and displays the color / line type of the system switched to the power outage system to easily check the power outage range. It is configured to be able to.
Moreover, as shown in FIG. 6, the simulation operation means 5 displays the energized state before the operation and the energized state after the operation side by side for each operation item, and displays the open / close state of the circuit breaker and the energized state of each system before and after the operation. It is also possible to compare and display the changes.

In the embodiment shown in FIG. 1, the simulation operation means 5 includes a determination means 6. The determination means 6 compares the circuit breaker operation preconditions stored in the precondition storage means 11 with the circuit breaker switching states stored in the switching state storage means 10, and determines whether or not the circuit breaker can be operated in each operation. It is configured to be able to. When it is determined that the operation of the circuit breaker is impossible, the determination unit 6 displays a position where the determination result and the precondition are not satisfied.
In the case where the operation procedure display means 4 includes the operation procedure creation means 3, since it is determined whether or not the circuit breaker can be operated in the process of creating the operation procedure, it is of course possible to adopt a configuration in which the determination means is not provided. Is possible.

  Moreover, the simulation operation means 5 is provided with the operation procedure correction means 7 which corrects the operation procedure which switches the selected system | strain to a power failure system. The operation procedure correction means 7 corrects the operation procedure so that the precondition is satisfied when the determination means 6 determines that the circuit breaker cannot be operated, or changes the energization state of the system confirmed by the simulated operation means 5. The operation procedure can be corrected. The simulated operation means 5 is configured to perform a simulated operation of the circuit breaker on the operation item whose operation procedure has been corrected by the operation procedure correction means 7 based on the corrected operation procedure.

  In the embodiment shown in FIG. 1, the work power failure operation support system includes automatic operation means 8 that automatically switches the selected system to the power failure system after confirming the operation procedure in the simulated operation means 5. As shown in FIG. 6, the automatic operation means 8 is configured to automatically operate the circuit breaker based on the operation procedure displayed by the operation procedure display means 4 by clicking the operation button. is there. Further, the automatic operation means can automatically perform the interlock operation of the circuit breaker by a motor drive or the like.

Next, the operation of the work blackout operation support system according to the present invention will be described with reference to FIGS. 2 and 9 to 15.
As shown in FIG. 7, the system diagram display means 1 indicates the current circuit breaker open / close state and the current state of each system based on the open / close state of the circuit breaker in the power system stored in the open / close state storage means 10. Display on the system diagram. When the “blackout system selection” button is clicked in FIG. In the power failure system selection means 2, when a power failure system is selected by clicking on the system diagram, as shown in FIG. 8, the power failure system selection means 2 changes and displays the line type / color of the selected system, and the selected range. Can be easily confirmed. At this time, it is of course possible to select a plurality of systems.

  When the “procedure document creation” button is clicked in FIG. The operation procedure creating means 3 automatically creates an operation procedure for switching the selected system to the power failure system based on the preconditions for operating the circuit breaker and the open / close state of the circuit breaker. As shown in FIG. To display the operation procedure manual and system diagram side by side. After confirming the contents of the operation procedure, when the “simulation execution” button is clicked, the process proceeds to the simulation operation means 5.

  The simulated operation means 5 performs a simulated operation of the circuit breaker based on the operation procedure displayed by the operation procedure display means 4, and displays the operation contents and the system diagram side by side for each operation item, as shown in FIGS. In addition, the simulated operation means 5 can display the circuit breaker operated on the system diagram in a blinking manner, and display the system by changing the color / line type of the system in which the energized state is changed, so that the changed part can be easily confirmed.

  As shown in FIG. 10, when the simulated operation means 5 executes the closing operation of the circuit breaker A, the circuit breaker A blinks and the newly energized system is displayed in broken lines, and the operation location and power supply are displayed. The range can be confirmed. When the “next item” button is clicked after the confirmation, as shown in FIG. 11, a closing operation of the circuit breaker B as the next operation item is executed.

  As shown in FIG. 12, when the simulated operation means 5 executes the opening simulation operation of the circuit breaker C, the circuit breaker C blinks and can confirm that the power receiving equipment of the system G has been switched. When the “next item” button is clicked after confirmation, as shown in FIG. 13, the circuit breaker D opening simulation operation, which is the next operation item, is executed. The simulated operation means 5 can display the circuit breaker D in a blinking manner, and can display the system that is newly in a power outage state with a broken line to confirm the operation location and the power outage range.

  FIG. 14 shows a display screen when the simulated operation means 5 performs a simulated operation on all the operation items. When it is confirmed that the system selected by the power failure system selection means 2 has been switched to the power failure system and the “simulation end” button is clicked, the determination means 6 determines whether or not each operation item can be operated, and the result is shown in FIG. Displayed on the screen. In FIG. 15, when the “actual machine operation execution” button is clicked, the automatic operation means 8 automatically operates the circuit breaker based on the operation procedure to switch the system selected by the power failure system selection means 2 to the power failure system. it can.

  In addition, if any of the operation items has a defect in the preconditions for circuit breaker operation or the energization range of the system, the operation procedure correction means 7 corrects the corresponding operation procedure and simulates the corrected operation procedure. The operation can be re-executed.

The block diagram which shows one Example of the work blackout operation assistance system which concerns on this invention. The flowchart which shows the operation | movement of the one Example. The figure which shows the power failure system selection means of the one Example. The figure which shows the operation procedure display means of the one Example. The figure which shows an example of the simulation operation of the one Example. The figure which shows an example of the simulation operation of the one Example. The figure which shows an example of the operation | movement of the one Example. The figure which shows an example of the operation | movement of the one Example. The figure which shows an example of the operation | movement of the one Example. The figure which shows an example of the operation | movement of the one Example. The figure which shows an example of the operation | movement of the one Example. The figure which shows an example of the operation | movement of the one Example. The figure which shows an example of the operation | movement of the one Example. The figure which shows an example of the operation | movement of the one Example. The figure which shows an example of the operation | movement of the one Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 System diagram display means 2 Power failure system selection means 3 Operation procedure creation means 4 Operation procedure display means 5 Simulated operation means 6 Judgment means 7 Operation procedure correction means 8 Automatic operation means 10 Opening / closing state storage means 11 Precondition storage means

Claims (8)

  From the open / close state storage means for storing the open / close state of the circuit breaker in the power system, the system diagram display means for displaying the open / close state of the circuit breaker and the energization state of each system on the system diagram, and the displayed system diagram It consists of a power failure system selection means for selecting a power failure system, an operation procedure display means for displaying an operation procedure for switching the selected system to the power failure system, and a simulated operation means for simulating the circuit breaker based on the displayed operation procedure. Work blackout operation support system.   The simulation operation means includes a precondition storage means for storing a precondition for presuming whether or not each circuit breaker can be operated, and compares a precondition for the circuit breaker operation with the open / close state of the circuit breaker stored in the open / close state storage means. The work power failure operation support system according to claim 1, wherein whether or not the circuit breaker is operable is determined.   The operation procedure display means includes a precondition storage means for storing preconditions on which each circuit breaker can be operated, and the circuit breaker operation preconditions and the circuit breaker open / close state stored in the open / close state storage means are displayed. The work power failure operation support system according to claim 1, wherein an operation procedure for switching a system selected on the basis of the system to a power failure system is automatically created.   The work power failure operation support system according to any one of claims 1 to 3, wherein the simulation operation means includes an operation procedure correcting means for correcting an operation procedure for switching the selected system to a power failure system.   The work power failure operation support system according to any one of claims 1 to 4, wherein the system diagram display means displays a circuit breaker operated in each operation item of the simulated operation and an energization state of each system.   The work power failure operation support system according to any one of claims 1 to 5, wherein the system diagram display means compares and displays the energized state before the operation and the energized state after the operation in each operation item of the simulated operation. .   The work power failure operation support system according to any one of claims 1 to 6, further comprising automatic operation means for automatically switching a system selected after confirming an operation procedure in the simulation operation means to a power failure system. The work power failure operation support system according to claim 7, wherein the automatic operation means automatically performs an interlock operation of the circuit breaker.

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