JPH0813166B2 - Driving assistance device for substation - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides an operator with an emergency measure for handling an accident or failure in the operation of a primary substation (hereinafter referred to as a substation), which is a key part of a power supply system. The present invention relates to a driving support device for a substation, which is configured to guide and support a general recovery treatment method and the like.

[0002]

2. Description of the Related Art A drive assist device for a substation that has been generally known in the prior art is shown in a conceptual diagram of FIG.
When a failure occurs, the knowledge base 30 is directly connected to the inference engine 31 such as rules and frames, and the single inference unit 3 is connected.
In the output form, all inferences are executed in 2 and the guide content as the inference result is displayed on the CRT 33 screen. Therefore, the knowledge of the knowledge base 30 has been expressed in a language suitable for scientific and technological calculation, that is, "FORTRAN" as illustrated in Table 1.

[0003]

[Table 1]

[0004]

According to the conventional driving support device as described above, it is difficult for a computer engineer to decipher the content of the expression of the knowledge base 30, and the operator who is resident in the field is liable to interpret it. And maintenance personnel (hereinafter referred to as domain expert DE) cannot understand the contents, or take a huge amount of time even if they can, and cannot detect an error in the knowledge of the knowledge base 30.
The reliability of the device as a whole was also low. In addition, if the configuration or rating of the power equipment is changed, or if there is a change in the method of first aid, a computer technician may go to the site such as a substation or take part of the equipment back to the factory. A troublesome operation such as changing the knowledge of the knowledge base 30 is required.

[0005] The present invention has been made in view of the circumstances described above, it is easy to understand the knowledge base content, it is possible to realize a knowledge base change or maintenance in DE itself, accident Responsive processing in case of failure or failure
The position is recognized by the DE, and it is close to the actual processing unit.
The process that satisfies the functions and performance required for each process.
An object of the present invention is to provide a driving support device for a substation that can be executed and can achieve improvement in reliability of the entire device.

[0006]

In order to achieve the above-mentioned object, a driving support device for a substation according to the present invention takes in system information of a substation, and the taken system information shows an accident /
When failure information is included, an inference section that executes inference necessary for first aid based on that information, and a human interface device that outputs the inference result of this inference section to guide the operator a driving support system substation that has an accident the inference unit, and one inference engine to control the flow of the inference with the input of accidents and failure information, by the analysis of the corresponding process accidents or failures 箇
Location determination, abnormal condition monitoring, related point communication, site inspection and
It is classified into 5 kinds of work of system operation , and they are classified.
It also includes five inference engines that infer using a knowledge base constructed by a dedicated knowledge representation for each job.

In the driving support device for a substation having the above-mentioned structure, the above-mentioned work is of a diagnostic type for investigating the cause of an accident or failure .
Accident point determination, the abnormal condition monitoring, related point contact, and field inspection <br/>, is largely classified malfunction situation into two and its failure to solve the making procedure plan type strains operations, accidents and failures versus
Inference of any one of them depending on the progress of response processing
The engine is designed to perform inference.

Further, the planned type of system operation work is detailed by type including preparation of a target system plan for emergency restoration, preparation of a processing sequence and preparation of an operation sequence.

[0009]

According to the driving support device for a substation of the present invention having the above-described structure, when the taken-in substation system information includes accident / fault information, the inference unit makes an emergency measure based on the information. The guide contents as a result of the inference are output to the human interface device in the form of, for example, a display on the CRT screen, and the operator considers various situations while watching the output. After that, grasp the contents and purpose of the operation, target system, discuss with related departments,
It is possible to take emergency measures such as patrol instructions.

By the way, according to the present invention, in executing the inference as described above, an analysis is made of accident / fault response processing .
Accident location determination, abnormal condition monitoring, related location communication, site inspection
And 5 types of system operation , classified by job, and using a knowledge base constructed with a dedicated knowledge representation for each job
Since the five inference engines execute a predetermined inference, it is possible to easily understand the contents of the above knowledge base and adopt a readable knowledge expression even in a non-computer engineer DE.
In this way, it is possible to change the knowledge of the knowledge base corresponding to the change of the configuration and rating of the power equipment, and to perform maintenance.
It can be realized by itself, and the knowledge base of knowledge
It is easy to find errors such as . In addition, accidents and obstacles
The processing unit when it occurs is the same as the above 5 types of work.
As described above, the unit recognized by the DE and close to the actual processing
And, according to the classified work, processing speed
Different types of inference engines such as visual and maintainability
Satisfy the functions and performance required for each process by using
Is possible, and the reliability of the entire device is improved.

[0011]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an overall schematic configuration diagram of a driving support system for a substation. The system is basically a substation S / in which an inference subsystem unit (hereinafter referred to as IFS) 1 which is the core of the driving support system is installed. Between the S and the control center C / C provided with a human interface subsystem (hereinafter referred to as HIS-C) 2 that displays and guides the support contents to the operator Ma, for example, existing standby communication Connected by a modem transmission device (MODEM) 3 using a line, the operator Ma of the control station C / C and the substation S /
The operator of S, that is, the maintenance staff Mb is configured to be supported by a guide.

On the substation S / S side, if an accident / failure occurs in the power transmission system 4 (see FIG. 2) or the substation equipment 5 (see FIG. 2), the distribution board 6 is transformed. The IFS 1 through the relay information (hereinafter referred to as JSB) 7 and the online information input unit (hereinafter referred to as OIS) 8
Human interface to guide the result to the maintenance personnel Mb when the online information that has been captured is included and accident / fault information is included in the captured online information. Subsystem (hereinafter referred to as HIS-S) 9 and accident / fault guide reasoning subsystem (hereinafter referred to as HIS-T / S)
It is configured to output to 10 respectively.

The HIS-S9 includes CRT displays 11 and 12 for displaying accident guides in color graphics and characters, an image printer 13 for printing out accident guides, and a hard copy printer 14 for making a hard copy of accident / fault guides. It is composed by. In addition, the HIS-T / S 10 is a CRT display 15 that displays a fault guide in color graphics.
And an image printer 16 that prints out a failure guide
And the hard copy printer 14 described above.

On the other hand, the control center C / C side can be connected to a notebook computer 17 for collecting field device data, and a fault guide for inferring a fault guide for the collected data of the notebook computer 17 in the coupled state. An inference subsystem (hereinafter referred to as HIS-T / C) 18 is provided. The HIS-T / C 18 is composed of a CRT display 19 for displaying a fault guide in color graphic, an image printer 20 for printing out the fault guide, and a hard copy printer 21. Also,
The HIS-C2 is a CRT display 22, which displays an accident guide in color graphics and characters.
23 and an image printer 2 that prints out an accident guide
4 and the hard copy printer 21.

FIG. 2 is a schematic configuration diagram of the IFS1 which is an accident guide function inference unit on the substation S / S side.
The IFS 1 has a data control unit (hereinafter referred to as DCB) for executing the inference necessary for the actual operation based on the online information taken in through the OIS 8.
25, an inference unit (hereinafter referred to as IFB) 26, and a knowledge base database 27 having a frame structure, and as shown in FIG. 3, the inference structure is a dedicated shell.

The IFB 26 is realized by six inference modules. That is, as shown in the module operation outline diagram of FIG. 4, there are five other inference module operations to be described later, that is, "inference control" for controlling the flow of inference, having knowledge of the order of response processing at the time of an accident. , "Accident point determination", "abnormal condition monitoring",
It is categorized according to the phase (by job) of the response process at the time of an accident, such as "contact with related parts", "site inspection", and "system operation",
They are realized as five inference modules that infer by using the knowledge base database 27 about the equipment configuration of the substation, and each of these six inference modules, as shown in the conceptual diagram of FIG. It is composed of an inference engine E1 for controlling a flow, a knowledge base D1 corresponding to the inference engine E1, five inference engines E2 to E6 for performing the above five inference module operations, and knowledge bases D2 to D6 respectively corresponding thereto. There is.

The above-mentioned phases are diagnostic type accident location determination, abnormality state monitoring, and related group investigation for investigating the cause from the accident situation.
It is roughly divided into two types: station contact, on-site inspection, and planned system operation that creates a procedure to solve the defect from the situation.
The former diagnostic type can be refined to preprocessing + condition judgment, system search processing, database search, and set operation. The latter planned type system operation work is to create a target system plan for emergency restoration and process order. It can be detailed in the creation and creation of the operation sequence, prepare a dedicated knowledge expression format for each of the detailed work types, and according to the progress of the accident / fault response processing,
Each of the inference engines E1 to E6 described above with the dedicated knowledge representation
You can execute the inference so that Where the total
An example of creating an operation sequence, which is one of the graphic type system operations, is explained.
Then , the inference control in this case has a phase and a process in the form of a table as shown in Table 2, and has an expression form in which the content can be understood without knowing "FORTRAN" if the user understands how to read the table. Regarding the operation sequence as well, the knowledge is generalized as a table in a form as shown in Table 3 so that the contents can be understood without knowing "FORTRAN" if the user understands the way to read the table.

[0018]

[Table 2]

[0019]

[Table 3]

I in IFS1 on the substation S / S side
The inference results of the above 6 inference modules in FB26 are
In addition to being output to the HIS-S9 in the form shown in FIG. 2 (CRT display and printout), it is also transmitted to the control center C / C side through the MODEM3,
It is output to the HIS-T / S 10 in each form. Further, the knowledge base 27 having a frame structure is used.
Is a macro system knowledge base 27a and a main circuit knowledge base 2
7b, equipment knowledge base 27c, equipment room knowledge base 27
d, a relay knowledge base 27e, and a contact knowledge base 27f.

The six inference modules in the IFB 26 having the above structure are as described in FIG.
To explain these outlines, "inference control" is
With the input of accident information and inference results, the function module corresponding to the situation of the accident and the inference result is activated to execute the inference process. “Accident location determination” is the location of the accident associated with the input of system information. And the malfunction of the relay and the malfunction of the CB,
"Abnormal state monitoring" monitors the abnormal state associated with the input of system information and transmits the occurrence of the abnormal state to the control module. "Contact related parts" reports the accident information and inference results. DCB25 when the matter is output to the format and the format is filled
The output instruction of the form is output to the "site inspection".
Is to determine the inspection location along with the input of accident information and accident section, and to create the inspection method and detailed inspection items for safety measures.
Along with the input of an abnormal condition, an operation procedure for eliminating the abnormal condition is created, and with the input of the target system, a system plan for the purpose of emergency recovery is created and output, and an operation procedure is created from the target system. To do.

In the above embodiment, the reasoning of the accident guide function was explained as a function for guiding the emergency recovery treatment method when a serious failure occurs in the substation premises, but when a minor failure occurs in the substation. It is also applicable to the reasoning of the fault guide function that guides the search for the location of the fault occurrence and the emergency treatment method.

[0023]

As described above, according to the present invention, when the imported substation system information includes accident / fault information, an inference unit is required for first aid based on the information. Inference is executed and the guide content as the result of the inference is output to the human interface device in the form of, for example, display on the CRT screen. When executing such inference, analysis of accident / fault response processing is performed. thing by
Judgment location determination, abnormal condition monitoring, related location communication, site inspection
And classified into five types of work different strains operation, since five inference engine for executing a predetermined inference using a knowledge base built by those classified work in a dedicated knowledge representation, raising the level of abstraction of the expression The contents of the above knowledge base can be easily understood and read by a non-computing DE .
DOO are possible, therefore, structure and changes in rating of power equipment, knowledge base that corresponds to the change in the method of first aid knowledge
Change of identification, and even maintain can be easily realized by DE own, and not easy to find as well, such as an error of knowledge base of knowledge. In addition, the processing unit in the event of an accident or failure
The position is recognized by the DE, for example, according to the above 5 types of work.
However, the unit is similar to the actual process and is classified.
Depending on the job, differences in processing speed, maintenance, etc.
Is required for each process using the inference engine of
It is possible to satisfy the required functions and performances, and improve the reliability of the entire device .

[Brief description of drawings]

FIG. 1 is an overall schematic configuration diagram of a driving support system for a substation according to the present invention.

FIG. 2 is a schematic configuration diagram of an inference subsystem that is an accident guide function inference unit in a substation.

FIG. 3 is a diagram showing an inference structure of a dedicated shell.

FIG. 4 is a schematic diagram of operation of a functional module.

FIG. 5 is a conceptual diagram of an inference module.

FIG. 6 is a conceptual diagram of an inference module by a conventional driving support device for a substation.

[Explanation of symbols]

 1 IFS (inference subsystem) 7 JSB (relay board) 8 OIS (online information input unit) 9 HIS-S (human interface device) 26 IFB (inference unit) 27 (D1 to D6) knowledge base E1 to E6 inference engine

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Haruki Onoue 3-22 Nakanoshima, Kita-ku, Osaka-shi, Osaka Prefecture 3-22 Kansai Electric Power Co., Inc. (72) Shuji Matsumoto 3-chome Nakanoshima, Kita-ku, Osaka-shi, Osaka No. 22 In Kansai Electric Power Co., Inc. (72) Inventor Kuniomi Yamada 3-14-40 Senrioka, Settsu-shi, Osaka Toko Seiki Co., Ltd. (72) Yoshiyuki Takaoka 3-14-40 Senrioka, Settsu-shi, Osaka Toko Seiki Co., Ltd. (72) Inventor Norio Higashiyama 3-14-40 Senrioka, Settsu-shi, Osaka Toko Seiki Co., Ltd. (72) Inventor Takahiro Nakai 3-14-40 Senrioka, Settsu-shi, Osaka Toko Seiki Co., Ltd. (56) References "Primary Substation Operation Support System", Material of Society for Artificial Intelligence, SIG-KBS-9003-10 (1990), Yamada Mizukami et al., P91-100 “Development of Shell-Inference Core System for Primary Substation Operation Support”, Institute of Electrical Engineers of Japan, Power Technology Study Group, PE-89-19 (1989), Okiyamada et al. 21-29

Claims (3)

[Claims] 1. When the system information of the substation is imported and the acquired system information includes accident / failure information,
Driving support for substations, which includes an inference unit that performs inference necessary for first aid based on that information, and a human interface device that outputs the inference result of this inference unit to guide the operator The device is a device, in which the inference unit controls the flow of inference along with the input of accident / fault information, and the inference / fault response
Accident locations determined by analysis of the processing, the abnormal condition monitoring relationship箇
Characterized by being equipped with five inference engines that are categorized by five types of jobs , such as office contact, on-site inspection, and system operation, and that infer using a knowledge base constructed by a dedicated knowledge representation for each of these classified jobs Driving support device for substation. 2. The above-mentioned work is a diagnostic type accident location determination, abnormality state monitoring, and related location communication for investigating the cause of an accident / failure.
Fault, and on-site inspection, is roughly divided from the failure of the situation in two of its failure to make the steps to resolve the plan type of system operation, things
The drive assist device for a substation according to claim 1, wherein the inference engine is configured to execute inference according to the progress of the late / fault handling process . 3. The planned system operation work is detailed by type including creation of a target system plan for emergency restoration, creation of a processing sequence, and creation of an operation sequence.
Driving support equipment for substations in Japan.