JP2020173575A - Facility diagnostic system - Google Patents

Abstract

To obtain a facility diagnostic system capable of displaying facility risk information for each plant.SOLUTION: Information indicating a deterioration state of each facility belonging to a plant of each power system 10 to be monitored is collected and stored in a facility database 12. A risk information calculation unit 13 calculates risk information including a failure risk of each facility and stores it in the facility database 12 based on the stored information indicating the deterioration state of each facility, after that, a risk information display unit 14 displays each facility belonging to the selected plant on a screen, and when the facility is selected on this screen, the risk information of the selected facility is displayed on the screen.SELECTED DRAWING: Figure 1

Description

The present application relates to an equipment diagnostic system.

In recent years, in social infrastructure facilities such as electric power, water and sewage, roads, and railroads, as the facilities are aging, the full liberalization of electricity and gas retailing, the new water supply vision, and the response to the 5th Basic Energy Plan , The need for advanced equipment maintenance and strategic capital investment planning is increasing.
In the equipment diagnosis system of the conventional electric power infrastructure, a system that presents the deterioration state or failure risk (hereinafter referred to as risk information) of each equipment acquired from the sensor or the inspection work of the maintenance staff is realized.
However, when formulating an investment plan, risk information on the power system or the entire plant is required. Conventionally, the user must manually extract the risk information for each power system or plant based on the risk information for each equipment acquired from the equipment diagnosis system and the connection information between the equipments owned by the user. However, it was a factor that put pressure on the user's investment planning work.

For example, in Patent Document 1, by constructing a system for acquiring and presenting risk information of equipment from sensors mounted on each equipment, the efficiency and safety of maintenance personnel's inspection work are improved.
In Patent Document 1, the risk information of equipment is acquired from the sensor, but the risk information of each power system unit or plant unit is not acquired.

Japanese Unexamined Patent Publication No. 9-33298 (pages 3 to 5, Fig. 2)

In the conventional equipment diagnosis system, a system that presents the deterioration state or failure risk of each equipment acquired from the inspection work of the sensor or the maintenance staff is realized.
However, when formulating an investment plan, risk information for the entire power system or plant is required.
Conventionally, the user has to manually extract the risk information for each power system or plant based on the risk information for each equipment acquired from the equipment diagnosis system and the connection information between the equipments owned by the user. In addition, there is a problem that it becomes a factor that hinders the improvement of the user's investment plan creation work efficiency.

The present application discloses a technique for solving the above-mentioned problems, and an object of the present application is to provide an equipment diagnosis system capable of displaying equipment risk information on a plant-by-plant basis.

The equipment diagnosis system disclosed in the present application collects and stores information indicating the deterioration status of each equipment belonging to the plant to be monitored, and stores the equipment database, and information indicating the deterioration status of each equipment stored in this equipment database. A risk information calculation unit that calculates risk information including the failure risk of each equipment, and a risk information display unit that displays the risk information calculated by the risk information calculation unit for each equipment belonging to the plant on the screen. Is.

According to the equipment diagnosis system disclosed in the present application, equipment risk information can be displayed on a plant-by-plant basis.

It is a block diagram which shows the whole structure of the equipment diagnosis system by Embodiment 1. FIG. It is a figure which shows the screen which displays the risk information of the equipment diagnosis system by Embodiment 1. FIG. It is a figure which shows the screen which displays the risk information of the equipment diagnosis system by Embodiment 2. FIG. It is a figure which shows the screen which displays the risk information of the equipment diagnosis system by Embodiment 3. FIG. It is explanatory drawing which shows the flow of the risk information of the equipment diagnosis system by Embodiment 4. FIG. It is a figure which shows the screen which displays the risk information of the equipment diagnosis system according to Embodiment 4. It is a figure which shows the screen which displays the risk information of the equipment diagnosis system according to Embodiment 5. It is a figure which shows the search condition setting screen of the equipment diagnosis system by Embodiment 5. It is a figure which shows the hardware configuration of the equipment diagnostic system according to Embodiment 1 to Embodiment 5.

Embodiment 1.
Hereinafter, the first embodiment will be described with reference to the drawings.
FIG. 1 is a block diagram showing an overall configuration of the equipment diagnosis system according to the first embodiment.
In FIG. 1, there are a plurality of electric power systems 10, each of which has a plurality of plants, and each plant has equipment such as a generator, a turbine, and a transformer. The power systems 10a, 10b, and 10c indicate individual power systems.
The equipment database 11 for each electric power system is formed for each electric power system, and stores equipment information and equipment diagnosis results which are information on the deterioration state of the equipment. The equipment databases 11a, 11b, and 11c for each power system are individual equipment databases for each power system.
The equipment database 12 aggregates and stores the equipment information and the equipment diagnosis results stored in the equipment database 11 for each electric power system.

The risk information calculation unit 13 acquires information on the deterioration state of the equipment from the equipment database 12, calculates the risk information including the deterioration state of the equipment and the failure risk, and stores the calculation result in the equipment database 12.
The risk information display unit 14 displays the risk information of each facility based on the information stored in the facility database 12.
The equipment diagnosis system 100 has an equipment database 12, a risk information calculation unit 13, and a risk information display unit 14.

The equipment diagnosis system 100 may be configured to include a part or all of the equipment database 11 for each power system.
Further, the equipment database 12, the risk information calculation unit 13, and the risk information display unit 14 may be configured on one computer, or may be configured on a plurality of computers.

FIG. 2 is a diagram showing a screen for displaying risk information of the equipment diagnosis system according to the first embodiment.
In FIG. 2, the screen 15 is displayed by the risk information display unit 14. The screen 15 is provided with tabs 16 for "plant", "power system", and "severity list", and a combo box 17 for "power system" and "plant" for selecting a power system and a plant. The right side area 18 is an area for displaying risk information. In FIG. 2, a screen in which the tab 16 of the “plant” is selected is displayed.

Next, the operation will be described.
The first embodiment is for a method of displaying the latest risk information including connection information between facilities for equipment belonging to a plant of an electric power system.
The information from each sensor or the information on the deterioration state of the equipment acquired by the inspection work by the maintenance staff is registered in the equipment database 11 for each power system corresponding to each power system.
Next, the information on the deterioration state of the equipment belonging to all the power systems, which is stored in the equipment database 11 for each power system, is collected in the equipment database 12.

After that, the risk information calculation unit 13 acquires information on the deterioration state of all the equipment registered in the equipment database 12.
The risk information calculation unit 13 calculates risk information according to the type of equipment based on the acquired information on the deterioration state of all equipment, and stores it in the equipment database 12.
The processing of aggregating the deterioration state information of the equipment belonging to all the electric power systems into the equipment database 12 and the processing of the risk information calculation unit 13 are periodically performed by the equipment diagnosis system.

Next, the operation of the risk information display unit 14 will be described.
On the screen 15 of the risk information display unit 14, switch to the tab 16 of the "plant".
The electric power system and the plant to be displayed on the screen 15 of the risk information display unit 14 are selected by the combo box 17 of the “electric power system” and the “plant”.
Next, the equipment information (including the equipment-related information) of each equipment belonging to the power system and the plant selected in the combo box 17 and the latest risk information are acquired from the equipment database 12.
Then, based on the acquired equipment information and the risk information, the relationship diagram of the plant and the equipment is displayed on the screen 15 of the risk information display unit 14. The equipment displayed on the screen is selected by a click operation (transformer is selected in FIG. 1), and the latest risk information of the equipment is displayed in the right side area 18.

According to the first embodiment, the risk information of the equipment belonging to the plant can be displayed including the connection information between the equipment, and the user does not need to acquire the risk information for each plant.
As a result, it is possible to shorten the user's time for examining risk information for each plant and improve the user's investment planning work.

Embodiment 2.
FIG. 3 is a diagram showing a screen for displaying risk information of the equipment diagnosis system according to the second embodiment.
In FIG. 3, reference numerals 15, 16 and 18 are the same as those in FIG. In FIG. 3, the "power system" tab 16 is selected.

In the first embodiment, the method of displaying the latest risk information including the connection information between the facilities for the facilities belonging to the plant has been described, but the latest risk information of the facilities including the connection information of the entire power system is displayed. It is necessary to confirm.
The second embodiment is for confirming the latest risk information of equipment including the connection information of the entire power system.

Next, the operation of the risk information display unit 14 will be described.
First, on the screen 15 of the risk information display unit 14, the tab 16 of the “power system” is switched.
Next, the equipment information belonging to the entire power system and the latest risk information are acquired from the equipment database 12.
Next, based on the acquired equipment information belonging to the entire power system and the latest risk information data, a related diagram of the power system, the plant, and the equipment is displayed on the screen 15 of the risk information display unit 14. As a result, connection information between plants and connection information between power systems are displayed.
Then, if the equipment displayed on the screen 15 is selected by a click operation (transformer is selected in FIG. 1), the latest risk information of the selected equipment is displayed in the right side area 18.

According to the second embodiment, since the risk information of the equipment of the entire power system can be confirmed including the connection information between the equipment, the work time for the user to acquire the risk information of each power system is not required.

Embodiment 3.
FIG. 4 is a diagram showing a screen for displaying risk information of the equipment diagnosis system according to the third embodiment.
In FIG. 4, reference numerals 15, 16 and 18 are the same as those in FIG. In FIG. 4, a combo box 21 of a time-series display button 19, a bottom-up area 20, and a bottom-up area 20 is provided in order to display the risk information in a time-series manner. The combo box 21 is for selecting a deterioration state of equipment, a failure risk, and the like as risk information.

In the first and second embodiments, the method of displaying the latest risk information including the connection information between the facilities for the equipment to which the plant belongs or the power system unit is described.
On the other hand, in order to decide on equipment renewal or repair work, it is necessary to check the transition of risk information in chronological order.
In the third embodiment, the transition of the risk information is displayed in chronological order.

Next, the operation of the risk information display unit 14 will be described.
First, on the screen 15 of the risk information display unit 14, the tab 16 of the “power system” is switched.
On the screen 15, the time series display button 19 displayed in the right side area 18 is pressed. Next, the risk information of the equipment (transformer is selected in FIG. 4) displayed in the right side area 18 is acquired from the equipment database 12 in chronological order.
Further, the time series data of the acquired risk information is displayed in the bottom-up area 20 according to the risk information selected in the combo box 21 of the bottom-up area 20.

According to the third embodiment, since the user can grasp the transition of the risk information for each equipment, it is possible to facilitate the decision of the equipment renewal or repair work.

Embodiment 4.
FIG. 5 is an explanatory diagram showing a flow of risk information of the equipment diagnosis system according to the fourth embodiment.
In FIG. 5, reference numerals 12 to 14 are the same as those in FIG.
FIG. 5 shows the flow of information between the equipment database 12, the risk information calculation unit 13, and the risk information display unit 14. The risk information display unit 14 passes the information of the equipment subject to the designated failure to the risk information calculation unit 13, and the risk information calculation unit 13 transfers the latest risk of the equipment connected to the designated equipment from the equipment database 12. Get information.
Then, the risk information calculation unit 13 calculates the system impact degree at the time of failure of the designated equipment from the acquired risk information, and notifies the risk information display unit 14 of the calculation result.

FIG. 6 is a diagram showing a screen for displaying risk information of the equipment diagnosis system according to the fourth embodiment.
In FIG. 6, reference numerals 15, 16, 18 and 19 are the same as those in FIG. In FIG. 6, the system influence degree display button 22 is shown. By pressing the system influence degree display button 22, the degree of influence on the equipment (related equipment) connected to the designated equipment is displayed by changing the background color of the equipment. By the way, if the influence is large, it is displayed in red, if it is medium, it is displayed in yellow, and if it is small, it is displayed in green.

In the first to third embodiments, the latest risk information including connection information between facilities or the time-series transition of the risk information for each facility is confirmed for the facilities belonging to the plant or the power system unit. Described how to do it.
However, when a facility breaks down, it is necessary to decide whether to renew or repair the facility, including the degree of impact on the facility connected to the facility (hereinafter referred to as the system impact).
Embodiment 4 is for addressing this problem.

Next, the operation will be described.
First, on the screen 15 of the risk information display unit 14, the tab 16 of the “power system” is switched.
When any of the equipment (transformer in FIG. 5) fails, the system influence degree display button 22 displayed in the right side area 18 is pressed on the screen 15 of the risk information display unit 14. In response to this, the risk information display unit 14 sends information on the equipment subject to failure to the risk information calculation unit 13.
The risk information calculation unit 13 acquires the latest risk information of the equipment connected to the designated equipment from the equipment database 12.

Then, based on the acquired risk information, the degree of system influence on other equipment at the time of failure of the designated equipment is calculated in large, medium, and small categories, and the calculation result is notified to the risk information display unit 14.
The risk information display unit 14 changes the background color of the equipment connected to the designated equipment to red, yellow, and green based on the calculation result acquired from the risk information calculation unit 13. Here, red is used if the system influence degree is large, yellow is used if it is medium, and green is used if it is small.

According to the fourth embodiment, since the influence on the peripheral equipment at the time of the failure of a certain equipment is visualized, it is possible to facilitate the decision of the equipment renewal or repair work.

Embodiment 5.
FIG. 7 is a diagram showing a screen for displaying risk information of the equipment diagnosis system according to the fifth embodiment.
In FIG. 7, reference numerals 15 and 16 are the same as those in FIG. In FIG. 7, the screen 15 when the tab 16 of the “severity list” is selected is displayed. When the search condition setting screen display button 23 is pressed, the search condition setting screen 25 described later is displayed.
When the list display button 24 during the severity list display is pressed, the latest risk information of the equipment corresponding to the search condition set on the search condition setting screen 25 is displayed on the screen 15.

FIG. 8 is a diagram showing a search condition setting screen of the equipment diagnosis system according to the fifth embodiment.
In FIG. 8, the search condition setting screen 25 can select a deterioration state, a failure risk, and the like.

In the first and second embodiments, the method of displaying the latest risk information including the connection information between the facilities for the facilities belonging to the plant unit or the power system unit has been described. Further, in the third embodiment, a method of displaying the time-series transition of the risk information for each facility is presented.
Further, in the fourth embodiment, a method of displaying the degree of influence on the equipment connected to the failed equipment due to the equipment failure is presented.
However, since the number of facilities in the entire power system is enormous, it is possible to overlook equipment with a high risk of failure (high severity).
The fifth embodiment is for dealing with this.

Next, the operation of the risk information display unit 14 will be described.
First, on the screen 15 of the risk information display unit 14, the tab 16 of the “severity list” is switched.
Next, the search condition setting screen display button 23 on the screen 15 of the risk information display unit 14 is pressed to display the search condition setting screen 25 shown in FIG.
On the search condition setting screen 25, the user sets a condition considered to be highly serious and saves the search condition by pressing the OK button (press the cancel button if the setting condition is not saved). ..
The conditions considered to be of high severity include equipment deterioration, failure risk, and the like.

After that, the list display button 24 on the risk information display unit 14 is pressed.
The risk information display unit 14 acquires the latest risk information of the equipment corresponding to the saved search condition from the equipment database 12, and displays the acquired information on the screen 15 of the risk information display unit 14.

According to the fifth embodiment, since the user can display and confirm the equipment having a high risk of failure in a list, it is possible to reduce the possibility of overlooking the equipment having a high risk of failure.

The equipment diagnosis system 100 is composed of a processor 101 and a storage device 102 as shown in FIG. 9 as an example of hardware. Although the storage device is not shown, it includes a volatile storage device such as a random access memory and a non-volatile auxiliary storage device such as a flash memory. Further, an auxiliary storage device of a hard disk may be provided instead of the flash memory. The processor 101 executes the program input from the storage device 102. In this case, the program is input from the auxiliary storage device to the processor 101 via the volatile storage device. Further, the processor 101 may output data such as a calculation result to the volatile storage device of the storage device 102, or may store the data in the auxiliary storage device via the volatile storage device.

Although the present disclosure describes various exemplary embodiments and examples, the various features, embodiments, and functions described in one or more embodiments are those of a particular embodiment. It is not limited to application, but can be applied to embodiments alone or in various combinations.
Therefore, innumerable variations not illustrated are envisioned within the scope of the techniques disclosed herein. For example, it is assumed that at least one component is modified, added or omitted, and further, at least one component is extracted and combined with the components of other embodiments.

10 power system, 11 equipment database by power system, 12 equipment database,
13 Risk information calculation unit, 14 Risk information display unit, 15 screens, 16 tabs,
17 combo box, 18 right side area, 19 time series display button,
20 bottom-up area, 21 combo box, 22 system influence display button,
23 Search condition setting screen display button, 24 List display button, 25 Search condition setting screen,
100 equipment diagnostic system, 101 processor, 102 storage device

Claims (6)

An equipment database that collects and stores information indicating the deterioration status of each equipment belonging to the plant to be monitored.
The risk information calculation unit, which calculates risk information including the failure risk of each of the above facilities, based on the information indicating the deterioration state of each facility stored in this facility database.
A facility diagnosis system characterized in that each facility belonging to the plant is provided with a risk information display unit that displays the risk information calculated by the risk information calculation unit on the screen. The risk information display unit displays each facility belonging to the plant on the screen together with the connection information, and when any of the facilities is selected on the screen, the risk information of the selected facility is displayed on the screen. The equipment diagnosis system according to claim 1, wherein the equipment is displayed on the screen. The above plant belongs to one of multiple power grids and
The risk information display unit displays connection information between plants belonging to the selected power system among the plurality of power systems and connection information of each facility belonging to the plant on the screen, and any one of them is displayed on the screen. The equipment diagnosis system according to claim 1, wherein the risk information of the selected equipment is displayed on the screen when the equipment of the above-mentioned equipment is selected. The equipment diagnosis system according to claim 2 or 3, wherein the risk information display unit displays the risk information on the screen in chronological order with respect to the selected equipment. The risk information display unit claims from claim 2, wherein the degree of influence on the related equipment connected to the selected equipment when the selected equipment fails is displayed on the screen. Item 4. The equipment diagnosis system according to any one of items 4. The risk information display unit has a search condition setting screen for searching equipment stored in the equipment database, and searches the equipment database for equipment that matches the search conditions set by the search condition setting screen. The equipment diagnosis system according to any one of claims 1 to 5, wherein the risk information of the searched equipment is displayed in a list on the above screen.

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