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Method and system for construction, synchronization, presentation and analysis of nuclear power DCS offline database

A construction method and database technology, applied in the field of nuclear power plant DCS database, can solve problems such as low efficiency, actual control logic deviation of units, hidden dangers of safe and stable operation of nuclear power units, etc., to achieve the effect of avoiding human error and improving work efficiency

Active Publication Date: 2019-12-10
TAISHAN NUCLEAR POWER JOINT VENTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Secondly, the configuration software is expensive and has a limited number of licenses. For example, the typical configuration of an EPR stack is 3 terminals, which is limited in number and cannot be used by multiple people at the same time. The configuration software is stand-alone software and does not have network scalability. Cost-effective installation of configuration software on the personal office computers of all required employees will make the database upgrade, maintenance and version management of so many software extremely complicated. Once the actual unit database changes (after the nuclear power unit is commissioned The database changes frequently in the first few fuel cycles), and the workload of synchronously upgrading all terminals to the new version of the database is very large. Once the update is not timely, there will be deviations from the actual control logic of the unit
In addition, the DCS configuration software has a strong coupling with the on-site control system. Once a misoperation occurs during the viewing process, it will cause great hidden dangers to the safe and stable operation of the nuclear power unit.
[0005] In summary, the current DCS control logic query of nuclear power plants has many restrictive conditions and low efficiency

Method used

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  • Method and system for construction, synchronization, presentation and analysis of nuclear power DCS offline database
  • Method and system for construction, synchronization, presentation and analysis of nuclear power DCS offline database
  • Method and system for construction, synchronization, presentation and analysis of nuclear power DCS offline database

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Embodiment 1

[0035] Please refer to figure 1 , the present application discloses a nuclear power plant DCS off-line database management system, which includes an off-line database server 1 and an off-line logic analysis client 2, which will be described separately below.

[0036] The offline database server 1 mainly includes an analysis module 11 , an extraction module 12 and a reconstruction module 13 . Wherein, the parsing module 11 is used to access the online control database L1 of the DCS to parse and obtain the data structure of the online control database L1, where the online control logic data of the nuclear power unit is stored in the online control database L1. In addition, the online control database L1 can be a data storage device on the online server Z0.

[0037] The extracting module 12 is connected with the parsing module 11, and is used for obtaining the first control logic data from the online control database Z0 according to the data structure of the online control datab...

Embodiment 2

[0062] Please refer to Figure 8 , on the basis of the offline database management system disclosed in Embodiment 1, the present application also discloses a method for constructing a nuclear power DCS offline database, including steps S110-S130, which will be described separately below.

[0063] Step S110, the offline database server 1 accesses the online server Z0, especially the DCS online control database L1 in the online server Z0, to analyze and obtain the data structure of the online control database L1, where the online control database L1 stores the online Control logic data.

[0064] In step S120, the offline database server 1 extracts online control logic data from the online control database L1 according to the data structure of the online control database L1.

[0065] Step S130, the offline database server 2 reconstructs and encapsulates the extracted online control logic data to form offline control logic data, and stores the offline control logic data to obtain...

Embodiment 3

[0078] Please refer to Figure 10 , on the basis of the management system of the nuclear power DCS offline database disclosed in the first embodiment, and on the basis of the construction method of the DCS offline database disclosed in the second embodiment, the present application also discloses a synchronization method of the nuclear power DCS offline database, It includes steps S210-S240, which will be described separately below.

[0079] Step S210, the offline database server 1 accesses the online server Z0, especially accesses the DCS online control database L1 in the online server Z0, and extracts all or part of the data according to the data structure of the online control database L1 obtained through analysis, especially to obtain Data structure of online control database and online control logic data. In addition, the offline database server 1 can also obtain its own data structure and the format of the data structure.

[0080] In step S220, the offline database ser...

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Abstract

The invention discloses a method and system for construction, synchronization, presentation and analysis of a nuclear power DCS offline database. The method comprises the steps: obtaining a data structure of an online control database of a DCS through analysis, with the control logic, parameters and configuration information of a nuclear power unit being stored in the online control database; reconstructing the structure and configuration of the offline database according to the data structure of the online control database; and reconstructing and packaging the online control database data obtained by analysis to form the DCS offline database. According to the method and the system, the DCS offline database is constructed and is completely consistent with an online control database in aspects of the control logic, parameters and configuration information; a method and system for offline database synchronization, presentation and analysis are also provided, so that professionals do notneed to enter a unit core control area with a deep and strict security level when querying and analyzing DCS control logic, the unit control logic can be efficiently checked and analyzed through a personal office computer, and the working efficiency can be remarkably improved.

Description

technical field [0001] The invention relates to the technical field of nuclear power plant DCS databases, in particular to a method and system for constructing, synchronizing, presenting and analyzing an offline nuclear power DCS database. Background technique [0002] In the current nuclear power digital control system (Digital Control System, digital control system, English abbreviation DCS) field, there are two known methods for querying and analyzing nuclear power plant DCS logic diagrams: one is through paper or electronic system design documents, The second is through the DCS configuration software. [0003] For paper or electronic system design documents, the amount of data is large. Take the imported EPR (European Pressurized Water Reactor) reactor type as an example. EPR belongs to the third-generation nuclear power technology, and its DCS has a high degree of automation, safety and redundancy. , the control logic is more complicated. Taking Taishan EPR nuclear pow...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCG05B19/41845G05B2219/33273Y02P90/02
Inventor 杨亮卞秀石邓基杰周维长
Owner TAISHAN NUCLEAR POWER JOINT VENTURE