CN103106555B - Maintaining-managing system based on the integration of online off-line and method - Google Patents
Maintaining-managing system based on the integration of online off-line and method Download PDFInfo
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Abstract
The invention provides a kind of maintaining-managing system based on the integration of online off-line and method, described system includes: server, front end display unit, data exchange module, data support module, man-machine service module, communication service module A, communication service module B, unified security management modules A, unified security management module B, common application service module, system administration services module and human-machine exchange module；Described method, by distinguishing the administration authority of different user, is managed and carries out online off-line data rights management to user, sets up effective online off-line integrated management mechanism and realizes the maintenance management of online off-line integration.
Description
Technical Field
The invention belongs to the field of simulation and computational analysis of power systems, and particularly relates to a maintenance management system and method based on online and offline integration.
Background
Under the new situation that the scale of a power grid is continuously increased and the connection is tighter, the intelligent power grid dispatching technology support system is a newly developed large-scale dispatching production and management system, relates to a plurality of new technologies, defines a plurality of new specifications, and continuously puts forward new requirements on hardware and a network platform for each application function of the dispatching technology support system. The requirements optimize the hardware and the network structure of the basic platform, and improve the modeling management level of the power grid model so as to improve the overall operation performance and reliability of the system. The application function of the technology provides accurate basic data, and can support the modes of '1 + 3' mutual backup operation of national tone and Sanhua network tone and the like.
How to ensure reliable, quick and timely updating of power grid calculation data under the conditions of continuously increasing power grid calculation scale, large data updating amount and complex operation mode, and meet the continuously changing requirements of an application system is a problem faced by a scheduling technology support system. On the basis of researching four major application service relationships and data flow directions of the smart grid dispatching technical support system, a system server, an operating system and a data storage facility are effectively integrated into a unified system, and network equipment and safety protection equipment are configured to be planned systematically, so that the hardware and the network structure of the smart grid dispatching technical support system are clearer, the data flow direction is more reasonable, and the network transmission efficiency is higher. The current situation of online and offline application analysis functions and the development trend thereof need to be comprehensively researched, and the unified model modeling, the distributed model modeling maintenance, the model synchronization and the scheme sharing in the scheduling technology support system are researched to correspondingly integrate and adjust the existing system, so that the scheduling technology support system becomes a strong and efficient support platform for the intelligent scheduling technology support system.
Therefore, it is very important how to effectively and quickly manage and maintain the online and offline integrated data. At present, the online and offline model maintenance and data management have many defects. The method mainly comprises the following points:
(1) computing data management processing platform without establishing uniformity
With the development of computer technology for many years, the management of power grid equipment parameters is gradually transited from paper management to electronic document management, calculation data management and database system management, but a unified calculation data management processing platform is not established, for example, a management mode of equipment accounts and calculation data is adopted for central dispatching and provincial dispatching in China, and a single-machine PSDB power grid calculation database is adopted for central dispatching and provincial dispatching in North China.
(2) National network system equipment parameter database without unified standard
In 2006, after an enterprise issued by national grid company marks the standard of grid equipment parameters and operation data for analysis and calculation of an electric power system, part of provinces and dispatches establish a grid equipment parameter maintenance database according to the requirements of the standard and the actual conditions of respective grids, but an equipment parameter database of a national grid system with unified standard is not established so far.
(3) Without uniform overhaul check data
The monthly overhaul verification carried out every month is mostly the overhaul of each level of scheduling in the respective calculation data checking and managing range, the overhaul attention outside the managing and managing range is not enough, and uniform overhaul verifying data is not formed.
(4) The unified and standardized management work of the data needs to be further advanced
Data work is a fundamental work that requires a great deal of time and effort. In order to ensure that the power grid equipment parameter management work is normally and orderly continuously carried out, an effective data management work mechanism must be established.
At present, data provided by each tone and provincial tone are original nameplate parameters and processed calculation parameters; the parameters are also shown in different forms, including XLS forms, WORD documents, and papery equipment parameter manuals. The data formats are different, and standardized management is not performed according to the enterprise standard of the power grid equipment parameters and the operating data specification for the analysis and calculation of the power system. Inconsistency between the device parameter database and the calculated data for the scheduled mode of operation may result.
(5) Without data checking management mechanism
The parameters of the power grid equipment are the basis of power grid calculation analysis, and in order to ensure the correctness of a calculation result, a data checking management mechanism must be established. The data checking management system is determined by the characteristics of each data supply and use unit in the aspect of computing data management. At present, the source of scheduling data is three levels of national tone, branch tone and provincial tone, and the calculation data is hierarchical management and check. The advantage of this model is that each level of the power grid is familiar with the device data and the calculation data managed by each level, but the problem is that different provinces or branches have different data management levels.
Disclosure of Invention
In order to overcome the defects, the invention provides a maintenance management system and a method based on online and offline integration, which realize online and offline integrated maintenance management by differentiating the management authorities of different users, managing the users and managing the authorities of online and offline data and establishing an effective online and offline integrated management mechanism.
In order to achieve the above object, the present invention provides an online and offline integrated maintenance management system, which is based on online and offline integrated maintenance management system, adopts a distributed network structure, and is based on a database server and a storage device, and comprises: a server and a front-end display unit; the improvement wherein the system comprises: the system comprises a data exchange module, a data support module, a man-machine service module, a communication service module A, a communication service module B, a unified security management module A, a unified security management module B, a public application service module, a system management service module and a man-machine exchange module; the data exchange module, the data support module and the communication service module A transmit the received data of each data source to the unified security management module A; the server receives the data transmitted by the unified security management module A and performs data interaction with the public application service module, the man-machine exchange module, the communication service module B and the system management service module respectively; the unified security management module B receives the data of the man-machine exchange module and the communication service module B respectively; and the front-end display unit displays the data of the public application service module, the unified security management module B and the system management service module.
In the preferred technical scheme provided by the invention, the data exchange module provides real-time data exchange for the system according to the requirements of each module.
In a second preferred technical solution provided by the present invention, the data support module provides a unified data support for the maintenance management system.
In a third preferred technical solution provided by the present invention, the data support includes: the system comprises a time mark data support, a mass data support and a general data service.
In a fourth preferred technical solution provided by the present invention, the man-machine service module includes: the functions of display and interaction, visual support, modular function assembly, distributed system mutual access and safe access.
In a fifth preferred technical solution provided by the present invention, a communication service module a and a communication service module B provide communication support for modules in a system, and include: multi-level load balancing and redundancy design functions.
In a sixth preferred technical solution provided by the present invention, the unified security management module includes: physical security, network security, host system security, application security, data security, remote disaster recovery, and data backup functions.
In a seventh preferred technical solution provided by the present invention, the public application service module provides the following services for the system: message and alarm services, reporting services, time services, workflow services, authority services, CASE services, and historical data services.
In the eighth preferred technical solution provided by the present invention, the message and alarm service is used for sending a message or an alarm to a person or other applications by an application, and the service provides a strategic process; the report service is used for outputting an application report; the time service is responsible for maintaining standard time and providing system time setting service; the workflow service provides complete workflow service and comprises a workflow designer and a workflow engine; the authority service provides corresponding authority management service for each module, so that each module uses the authority management function of the platform; the CASE service provides the generation, management and retrieval of the CASE; and the historical data service is responsible for providing required historical data for each module.
In a ninth preferred technical solution provided by the present invention, the system management service module provides, for each module in the system: node management, application management, process management, security management, backup/restore management, application configuration management, and user management.
In a tenth preferred technical solution provided by the present invention, the data source includes: SCADA data, online data and offline data.
In a preferred technical solution provided by the present invention, a maintenance management method based on online and offline integration is provided, and an improvement thereof is that the method comprises the following steps:
(1) the project group member reports the project fault of the project group leader through the front end display unit and informs that the fault can affect the result of on-line calculation;
(2) the project group leader calls a system management service module and a public application module, checks service system equipment to determine that the error problem affects on-line power grid calculation, contacts provincial dispatching personnel through a communication service module, reports the problem to national dispatching personnel by the provincial dispatching personnel, and confirms the existence of the problem again;
(3) after the national call personnel confirm the error problem through the system management service module, the public application module and the human-computer interaction module, the national call personnel tell the project group personnel to correct the method and measure, and the project group personnel apply for project partition level modification permission to the national call personnel;
(4) after the national coordinator agrees to apply, issuing project group leader authorization, and dynamically authorizing project members by the project group leader;
(5) after the project group members modify data in the data source, the project group leader determines whether the problems related to the online calculation of the power grid are solved, if not, the project group leader reports the situation to a state transfer staff, and the state transfer staff verifies and issues the treatment opinions again, otherwise, the step 6 is carried out;
(6) the project team leader feeds back the problem to the national call manager, and cancels the dynamic authorization of the project team members after confirming the problem is solved.
In a second preferred technical solution provided by the present invention, in step 3, the project team member applies upward for the modification authority; the project group leader changes the authority of the project group member from static authorization to dynamic authorization; the static authorization is that the engineering owner authorizes the user, and the static authorization cannot change the online data; dynamic authorization is authorized by the project group leader when the project is in use, and changes are made to the online data by the dynamic authorization.
In a third preferred technical solution provided by the present invention, in the step 3, the item failure includes: engineering project faults, job level faults and partition level faults; the priority of the project fault is the highest, the next is the job level fault, and the last is the partition level fault.
In a fourth preferred technical solution provided by the present invention, in step 5, the data support module and the data exchange module are invoked to modify data.
In the fifth preferred technical solution provided by the present invention, in step 6, the unified security management module performs supervision and monitoring on data security in a process of solving a project fault.
Compared with the prior art, the online and offline integrated maintenance management system and the online and offline integrated maintenance management method realize unified maintenance and management of online and offline models by methods of user management, authority management and the like, manage users and manage the authority of online and offline data by distinguishing the management authorities of different users, establish an effective online and offline integrated management mechanism to realize online and offline integrated maintenance management, can find data errors in time, and realize online stability, monitoring and early warning functions. The potential safety hazard of the power system is found in time, a solution is provided, and the high efficiency of the work is realized.
Drawings
FIG. 1 is a diagram illustrating data rights management functions.
Fig. 2 is a schematic structural diagram of an online and offline integrated maintenance management system.
Detailed Description
The method is characterized in that management authorities of different users are distinguished, the users are managed and the authorities of online and offline data are managed, and an effective online and offline integrated management mechanism is established to realize online and offline integrated maintenance management, and the method comprises the following steps:
1. establishing an online and offline data management mechanism
The online and offline integrated maintenance and management work of the power grid needs to be managed by a power dispatching communication center (called province dispatching for short in the following) for returning. And scheduling in each region is carried out in a classified responsible and provincial dispatching unified maintenance mode according to provincial dispatching unified guidance.
The provincial dispatching in the step one refers to a management mechanism for stable calculation and analysis of the power grid, and is uniformly responsible for work of collecting, auditing, splicing, filing, dispatching and distributing calculation data to various provinces and the like of calculation and analysis data of the whole power grid.
And in the step one, the data management of each region is to carry out work under the leadership of the unit where each region is located and receive provincial and provincial business management and technical guidance.
The two-stage scheduling of the network and the province should respectively set up a person responsible for the calculation and analysis data of the local scheduling, and is responsible for the coordination of the upper and lower levels, the collection, the arrangement, the delivery, the reception, the version management and the like of the calculation and analysis data of the local network. And each network dispatcher timely collects the sorted calculation analysis data according to requirements and reports the data to the national dispatcher. After the network dispatching is checked, data capable of being calculated in a networking mode is provided, and the calculation data issued by the superior dispatching mode is issued to the provincial dispatching mode.
The new (improved and expanded) construction backup parameters are provided for the dispatching department under the responsibility and obligation of relevant departments (units) such as power grid planning, production operation, capital construction, scientific research and the like, and the power grid calculation analysis data construction work is done in cooperation with the dispatching of each stage.
2. Explicit online and offline integrated data management responsibilities
The network dispatcher is responsible for unified guidance and coordination, organizing and formulating relevant regulations and regulations, and perfecting a whole network computing data management flow system. The comprehensive management system is comprehensively responsible for the work of collecting, auditing, splicing, filing and the like of the calculation and analysis data of the power grid. And issuing the calculation analysis data issued by the superior dispatching to each province dispatching, and managing the calculation analysis data version. Providing the questionable original data, and requesting the clarification of relevant provinces and departments; and calculating and analyzing the data which are unqualified for testing, and requiring the relevant dispatching coordination test units to retest until the provided data are qualified. And establishing a calculation analysis data original file of the power grid direct regulation range, and taking charge of the collection, arrangement and entry work of the calculation analysis data of the direct regulation range and the data integrity, correctness and effectiveness. The method comprises the steps of formulating a power grid calculation analysis database standard, uniformly filling formats and requirements, and building an efficient, safe and stable whole-network database management platform. The system is responsible for establishing a network dispatching administration equipment database, receiving and auditing provincial dispatching calculation analysis data, establishing a power grid calculation analysis database and being responsible for the correctness and the effectiveness of the power grid calculation analysis database. The system is responsible for the work of extracting, splicing and checking the calculation data of the power grid and provides relevant services such as calculation analysis data and the like for the whole network. And making relevant rules and regulations for managing the calculation and analysis data, organizing relevant basic scientific research, technical communication and training, and implementing professional management and technical supervision of the power grid calculation and analysis data. And the responsible organization holds a power grid data management working conference every year.
And the network dispatching is responsible for matching with a provincial dispatching department to complete the data management work of the local power grid. Referring to the present approach, local area data management provisions are made. The system is responsible for the works of collecting, sorting, inputting, reporting and the like of the original data of the local power grid calculation and analysis, collects and forms local calculation and analysis data, and is responsible for the integrity, correctness and effectiveness of the data. And receiving the calculation analysis data issued by the national tone, and well performing data version management work. And (4) checking the data which are in question in the local area in cooperation with the upper-level scheduling. If the data test is not qualified, the relevant test unit is required to perform retest, and the test report is timely sent to the regional dispatch. Establishing a local area calculation analysis data original file; and establishing a local area reporting calculation analysis data file.
The scheduling of each region is responsible for executing the implementation opinions of the network dispatching and matching with each work of the network dispatching.
3. Implementation online and offline integrated data management process
(1) The responsibility and obligation of power grid planning, capital construction, production departments and grid-connected power plants are to collect new (modified, expanded) construction backup parameters and report the parameters to relevant dispatching departments in time, and original data certificate copies (or electronic scanning files) reported on site are attached.
(2) The power grid planning department provides planning parameters of newly-built equipment of the power grid in the next year to the power grid dispatching department in a written stamping mode, and is responsible for the correctness and the effectiveness of original data. If planning construction adjustment occurs, the scheduling department should be informed in time.
(3) The power grid infrastructure department provides original data of equipment in the infrastructure stage to the local grid dispatching department in a written stamping mode, and is responsible for the correctness and the effectiveness of the original data.
(4) The production technology department provides all the parameters and operation limit values of the power transmission and transformation equipment in the jurisdiction range to the local network scheduling department in a written stamping mode and is responsible for the correctness and the effectiveness of the parameters and the operation limit values. Collecting the measured parameters and operation limit values of new (modifying, expanding) equipment in the controlled range in time, and reporting to the dispatching department in written form after signing and sealing.
(5) The grid-connected power generation enterprise is responsible for filing and maintaining the original data and the operation limit value of the relevant equipment of the power plant, and is responsible for the correctness and the validity of the original data of the equipment reported by the power plant. The original parameters of the generator, excitation and speed regulation and the measured parameters of the factory are reported to the dispatching department of the home network in a written stamping mode in time according to the specified requirements.
(6) The testing unit completes the parameter testing work of the generating set of the power plant according to the relevant standard, the merging work of the actually measured parameters is well done, and a test report is provided for the tested unit and relevant dispatching departments, and the network dispatching and provincial dispatching report reports to the national dispatching center and the national power grid data center after the initial examination.
The network dispatching receives the reported data of each provincial dispatching, the data is executed according to an internal management system, and all-round auditing is arranged as soon as possible for professionals, unreasonable data or unqualified actual measurement parameters appear in the auditing, the network dispatching is actively contacted with related provincial dispatching personnel, the reasons of the unqualified parameters are explained, the network dispatching personnel are required to re-report the unqualified parameters, and the network dispatching is informed. For data that can be properly modified or corrected by a professional, the data center can make modifications, but records should be made afterwards, and the relevant tone is informed.
In the third step, the power grid dispatching parameters are important basic data for power grid calculation and analysis, data entry and check are completed through cooperation of all parts, and backup is needed in time after change, so that the integrity and the safety of a parameter library are guaranteed.
(7) For new and reconstructed transmission, transmission and transformation engineering equipment, all relevant units report various scheduling parameters and wiring diagrams (SVG format) to a network dispatching comprehensive place according to provincial dispatching requirements; then the data flow is transferred to other parts; after checking, supplementing and confirming the relevant parameters, various parameters are put into a warehouse formally, and the maintenance and management of the parameter library are taken charge of by an automation department. And after the new equipment is put into operation formally, the maintenance personnel at the automation department introduce the parameters into a formal operation state so as to complete various calculations on the power grid.
(8) The official data issued by the national tone and the network tone are issued to each provincial tone in time through the OMS. The data which is formally released is executed by each use unit according to the confidentiality principle of national network companies, and cannot be freely modified and transferred without approval.
4. Online and offline integrated management system and management method
The user of the online and offline integrated management system accesses the database through the internet, and the basic user comprises: scheduling departments, protection departments, planning departments of all levels of power companies, maintenance personnel of electric academy systems, personnel related to other systems and the like.
The online and offline integrated management system adopts a distributed network structure, namely the system adopts a B/S structure design, a network database is used as a basis, a database server and a storage device are both deployed in provincial dispatching, the provincial dispatching does not need to deploy any physical device, and users of the network dispatching and the provincial dispatching access the database through a web browser to perform data operations such as query, modification, addition, deletion and the like. Wherein the whole system includes: the system comprises a data exchange module, a data support module, a man-machine service module, a communication service module, a unified security management module, a public application service module, a system management service module and the like. Wherein each module is introduced as follows:
(1) a data exchange module: providing a unified data exchange mechanism for application and application support software is the most basic requirement of the system, and according to the application requirement, the online and offline integrated management system must have the applicability of supporting real time, quasi-real time and non-real time; supporting enterprise-level application integration; support wide area applicability; and features such as general software accessibility are supported.
(2) A data support module: the online and offline integrated management system application provides unified data support, and should be designed according to a distributed data center to provide: the method has conventional data support; data support with time mark; mass data support; forming a general data service; and unified data management and maintenance characteristics are formed.
(3) A man-machine service module: a universal man-machine support system can realize wide support for application under a unified man-machine framework, multiple applications are realized in one set of man-machine, the design goal is realized, and man-machine support problems of application diversification need to be solved by man-machine provision. The system can realize complex display and interaction; visual support; assembling a modularization function; the distributed systems access each other; unified security access and the like.
(4) A communication service module: the modularized communication service provides professional communication support for various applications in the system, and the communication service not only supports various professional standards, but also provides general communication service to realize modularized multi-application communication support; standard communication protocols covering the current systems; multi-stage load balancing, redundancy design and the like.
(5) Unified security management module: unified security management realizes omnidirectional security management and support, contains: physical security, network security, host system security, application security, data security, remote disaster recovery, data backup and the like. The requirement of a power secondary safety protection scheme is met; the national four-level safety protection requirement is met; unifying identity authentication and user role management requirements, and the like.
(6) A public application service module: the system provides uniform public application services to support the applications at a higher level, the services can be directly referenced by the applications, and in some cases, the common application services can quickly generate typical applications through configuration and combination. The modularized development adopted by the public application service is increased along with the deepening of the application, and the system provides the following application services: message and alarm service: the application sends out messages or alarms to people or other applications, and the service provides strategic processing. Report service: and the report is output for the application. Time service: and the system is responsible for maintaining standard time and providing time synchronization service for the system. Workflow service: complete workflow services are provided, including a workflow designer and a workflow engine. And (4) permission service: the authority service is used as a public service to provide corresponding authority management service for each application, so that each application can conveniently use the authority management function of the platform. CASE service: providing functions such as CASE generation, management, and retrieval is an important basic service for power applications. History data service: is responsible for providing the application with the required historical data.
(7) A system management service module: the system management service provides uniform system management service in the whole system range, and the service content comprises all-round configuration and monitoring management service of hardware, processes, system resources and the like. The basic module comprises: managing nodes; application management; managing a process; safety management; backup/restore management; application configuration management; and (5) managing by a user.
The online and offline integrated management method is carried out by adopting a permission management method. The authority management refers to authority control on the aspects of the data types and ranges, data operation modes and the like which can be accessed by users, so that the safety and reliability of system data are ensured. The main functions of the data rights are shown in fig. 1.
The method comprises the following steps of (1) engineering level, operation level and partition level three-level data authority verification design: engineering level verification taking engineering as an example; verifying the operation level by taking operation as an example in the engineering; partition level verification, exemplified by partitions, data sets, and voltage levels. The three views of data permissions for partition level validation are logically AND-ed. For the base library, there is no notion of jobs, so there is actually two levels of validation at the engineering level and the partition level. The three-level verification has two rights of reading and writing.
Where the permissions are designed per operation group. The authorization can be divided into static authorization and static authorization, wherein the static authorization is used for authorizing a user by an engineering owner, and the dynamic authorization is used for authorizing by an operation group leader when the engineering is used. The operation group is mainly used for realizing the dynamic authorization of the engineering. When the project is built, an operation group is automatically created, and each project has one and only one operation group. Each operation group sets up a group leader, and the group leader can redistribute the authority of the personnel in the group, but the newly distributed authority of the group member cannot be higher than the static authority distributed to the group member by the project owner. The dynamic authority of the personnel in the group is temporary, and when the operation group is disassembled, the authority of the personnel in the group is restored to the authority before the user joins the group.
The two operation modes of the read authority and the write authority are different in that the write authority comprises the read authority (the read authority is possessed if the write authority is possessed).
Wherein the data authorization rule is as follows: the data right only performs one-way permission (forward) authorization and does not perform prohibition (reverse) authorization. The priority of the three-level authority management is as follows: engineering level > job level > partition level. The priority of the project level authorization is higher than that of the operation level authorization, namely, the operation level authorization with smaller strength in the project can be carried out only after a certain user has the project data authority; similarly, partition-level authorization can only be performed if the operating-level data authority is available.
Wherein the default data permission definition rule is as follows: each user has all read-write permission to the engineering data created by the user, and the engineering data created by other users belonging to the same enterprise user has no permission by default. There is no authority over engineering data created by individual users under other enterprise users.
The data range of data authority management refers to: element data in the base library (excluding the common parameter part), element data of the power flow calculation library, and element data of the transient calculation library.
The user: users can be divided into enterprise users and non-enterprise users. Non-enterprise users can only access their data. Enterprise users are divided into four types, namely enterprise managers, project owners (creators), operation group leaders and workers. Enterprise administrator rights: managing a user; managing the project owner; specifying who can create the project. Project owner authority: static permission authorization; specifying who is operating group leader; privileged users (read privileges) are set. There may be multiple privileged users that may be treated as project owners. Operation group leader authority: adding and subtracting group members; dynamic authorization is given to the panelist. The project owner may also be excluded from the workgroup during dynamic authorization, but may dismiss the workgroup from forcibly entering the workgroup.
The user has different system functions authorized to access due to different identities, and the authority management distributes and verifies the functional authority of the user. And providing a personalized operation interface for each user through the distribution of the function authority.
The online and offline integrated maintenance management system and method are further explained by the following embodiments.
As shown in fig. 2, an online and offline integrated maintenance management system, which is based on an online and offline integrated maintenance management system, adopts a distributed network structure, and is based on a database server and a storage device, and includes: the system comprises a server, a front-end display unit, a data exchange module, a data support module, a man-machine service module, a communication service module A, a communication service module B, a unified security management module A, a unified security management module B, a public application service module, a system management service module and a man-machine exchange module; the data exchange module, the data support module and the communication service module A transmit the received data of each data source to the unified security management module A; the server receives the data transmitted by the unified security management module A and performs data interaction with the public application service module, the man-machine exchange module, the communication service module B and the system management service module respectively; the unified security management module B receives the data of the man-machine exchange module and the communication service module B respectively; and the front-end display unit displays the data of the public application service module, the unified security management module B and the system management service module.
And the data exchange module provides real-time data exchange for the system according to the requirements of each module.
The data support module provides uniform data support for the maintenance management system.
In a third preferred technical solution provided by the present invention, the data support includes: the system comprises a time mark data support, a mass data support and a general data service.
The man-machine service module comprises: the functions of display and interaction, visual support, modular function assembly, distributed system mutual access and safe access.
The communication service module A and the communication service module B provide communication support for the modules in the system, and the communication service module A and the communication service module B comprise: multi-level load balancing and redundancy design functions.
The unified security management module comprises: physical security, network security, host system security, application security, data security, remote disaster recovery, and data backup functions.
The public application service module provides the following services for the system: message and alarm services, reporting services, time services, workflow services, authority services, CASE services, and historical data services.
The message and alarm service is used for sending messages or alarms to people or other applications by the application and providing strategic processing by the service; the report service is used for outputting an application report; the time service is responsible for maintaining standard time and providing system time setting service; the workflow service provides complete workflow service and comprises a workflow designer and a workflow engine; the authority service provides corresponding authority management service for each module, so that each module uses the authority management function of the platform; the CASE service provides the generation, management and retrieval of the CASE; and the historical data service is responsible for providing required historical data for each module.
The system management service module provides the following for each module in the system: node management, application management, process management, security management, backup/restore management, application configuration management, and user management.
A data source, comprising: SCADA data, online data and offline data.
The maintenance management method based on online and offline integration is provided, and comprises the following steps:
(1) the project group member reports the project fault of the project group leader through the front end display unit and informs that the fault can affect the result of on-line calculation;
(2) the project group leader calls a system management service module and a public application module, checks service system equipment to determine that the error problem affects on-line power grid calculation, contacts provincial dispatching personnel through a communication service module, reports the problem to national dispatching personnel by the provincial dispatching personnel, and confirms the existence of the problem again;
(3) after the national call personnel confirm the error problem through the system management service module, the public application module and the human-computer interaction module, the national call personnel tell the project group personnel to correct the method and measure, and the project group personnel apply for project partition level modification permission to the national call personnel;
(4) after the national coordinator agrees to apply, issuing project group leader authorization, and dynamically authorizing project members by the project group leader;
(5) after the project group members modify data in the data source, the project group leader determines whether the problems related to the online calculation of the power grid are solved, if not, the project group leader reports the situation to a state transfer staff, and the state transfer staff verifies and issues the treatment opinions again, otherwise, the step 6 is carried out;
(6) the project team leader feeds back the problem to the national call manager, and cancels the dynamic authorization of the project team members after confirming the problem is solved.
In the step 3, the project group member applies for modification authority upwards; the project group leader changes the authority of the project group member from static authorization to dynamic authorization; the static authorization is that the engineering owner authorizes the user, and the static authorization cannot change the online data; dynamic authorization is authorized by the project group leader when the project is in use, and changes are made to the online data by the dynamic authorization.
In the step 3, the item failure includes: engineering project faults, job level faults and partition level faults; the priority of the project fault is the highest, the next is the job level fault, and the last is the partition level fault.
In said step 5, the data support module and the data exchange module are invoked to modify the data.
In step 6, the unified safety management module supervises and monitors the data safety in the process of solving the project fault.
Wherein,
the nation transfers personnel: and dispatching personnel on duty of the national power grid.
And (4) saving dispatching personnel: and dispatching personnel on duty of provincial power grid work.
Project group leader: technical support responsible persons of each provincial power grid project under the national power grid.
Project group members: technical support workers of each provincial power grid project under the national power grid.
An online and offline integrated management system. The system mainly comprises a public application service module, a unified security management module, a man-machine exchange module, a communication service module, a system management service module, a data support module, a data exchange module, a public application service module and the like. And taking a new project for a province as an example. The newly added project is a newly added project group. When an error occurs in the system and the error affects the power system calculation data. The following steps are required:
1. the project team member reports the problem of the project team leader about the error condition in the project through the front-end display and informs that the online data problem can influence the result of online calculation.
2. And the project group leader checks that the problem of error confirmation of a service system or equipment influences on-line power grid calculation through the calling of the system management service module and the public application module. After the communication service module contacts provincial dispatching, provincial dispatching personnel immediately report to national dispatching personnel. Again confirming that the problem exists.
3. After the national call personnel confirm the error problem through the system management service module, the public application module and the man-machine interaction module, the national call personnel tell the project group personnel to correct the method and measures. And the project group member applies upward for modification permission of the project partition level. While project team members are statically authorized at the project level at ordinary times, static authorization is the authorization of users by the project owner. But the authority is not sufficient to make changes to the engineering online data set.
4. And after the national dispatching personnel agree to the application, issuing the authorization of the project group responsible person. And the project group responsible person dynamically authorizes the project members. Dynamic authorization is authorized by the operating team leader at the time of project use. In the whole online and offline integration, the engineering project has the highest priority. At this point, if there are other job-level problems or partition-level problem project groups, the engineering problem must be treated first. The second is job level failure and the last is partition level failure.
5. And modifying the data in the data source according to the national phase related opinion by the project group member. Must be approved by the project team leader. And determining whether the problems related to the online calculation of the power grid are solved by the project group leader. If the situation is not solved, the project team leader needs to report the situation to the state relevant personnel. The national customs officer verifies again the issued treatment opinion. Wherein the data modification process requires the invocation of a data support module and a data exchange module.
6. If the online data problem has been solved. That is, the online load flow calculation has no problem. The project team leader feeds back to the relevant personnel of the state. And after the problem is confirmed to be solved, the dynamic authorization of the project group members is cancelled. The unified safety management module supervises and monitors the data safety of the whole process.
If there are other problems with online and offline integration, the above method should be generally handled as well. The online and offline integrated management system relationship is shown in fig. 2.
It should be noted that the summary and the detailed description of the invention are intended to demonstrate the practical application of the technical solutions provided by the present invention, and should not be construed as limiting the scope of the present invention. Various modifications, equivalent alterations, and improvements will occur to those skilled in the art and are intended to be within the spirit and scope of the invention. Such changes and modifications are intended to be included within the scope of the appended claims.
Claims (14)
1. A maintenance management system based on online and offline integration adopts a distributed network structure and is based on a database server and a storage device, and comprises: a server and a front-end display unit; characterized in that the system comprises: the system comprises a data exchange module, a data support module, a man-machine service module, a communication service module A, a communication service module B, a unified security management module A, a unified security management module B, a public application service module, a system management service module and a man-machine exchange module; the data exchange module, the data support module and the communication service module A transmit the received data of each data source to the unified security management module A; the server receives the data transmitted by the unified security management module A and performs data interaction with the public application service module, the man-machine exchange module, the communication service module B and the system management service module respectively; the unified security management module B receives the data of the man-machine exchange module and the communication service module B respectively; the front-end display unit displays data of the public application service module, the unified security management module B and the system management service module;
the public application service module provides the following services for the system: message and alarm service, report service, time service, workflow service, authority service, CASE service and historical data service;
the message and alarm service is used for sending messages or alarms to people or other applications by the application and providing strategic processing by the service; the report service is used for outputting an application report; the time service is responsible for maintaining standard time and providing system time setting service; the workflow service provides complete workflow service and comprises a workflow designer and a workflow engine; the authority service provides corresponding authority management service for each module, so that each module uses the authority management function of the platform; the CASE service provides the generation, management and retrieval of the CASE; the historical data service is responsible for providing required historical data for each module;
the permission service includes: the data authority verification design of engineering level, operation level and partition level is carried out; the priority of the three-level data authority verification is as follows: project level > operation level > partition level; and the data authority only carries out one-way permission authorization.
2. The system of claim 1, wherein the data exchange module provides real-time data exchange for the system based on the requirements of each module.
3. The system of claim 1, wherein the data support module provides unified data support for the maintenance management system.
4. The system of claim 3, wherein the data support comprises: the system comprises a time mark data support, a mass data support and a general data service.
5. The system of claim 1, wherein the human machine service module comprises: the functions of display and interaction, visual support, modular function assembly, distributed system mutual access and safe access.
6. The system of claim 1, wherein the communication service module a and the communication service module B provide communication support for the modules in the system, and comprise: multi-level load balancing and redundancy design functions.
7. The system of claim 1, wherein the unified security management module comprises: physical security, network security, host system security, application security, data security, remote disaster recovery, and data backup functions.
8. The system of claim 1, wherein the system management service module provides, for each module in the system: node management, application management, process management, security management, backup/restore management, application configuration management, and user management.
9. The system of claim 1, wherein the data source comprises: SCADA data, online data and offline data.
10. An online-offline integration-based maintenance management method generated by the maintenance management system according to claim 1, characterized by comprising the steps of:
(1) the project group member reports the project fault of the project group leader through the front end display unit and informs that the result of the on-line calculation is influenced by the project fault;
(2) the project group leader calls a system management service module and a public application module, checks equipment and confirms that the fault affects on-line power grid calculation, and after contacting provincial dispatching personnel through a communication service module, the provincial dispatching personnel reports to national dispatching personnel and confirms the existence of the fault again;
(3) after the national coordinator confirms the fault through the system management service module, the public application module and the human-computer interaction module, the national coordinator tells the project group members of the correction method and measure, and the project group members apply for modification permission to the national coordinator;
(4) after the national dispatching personnel approve the application, issuing project group leader authorization, and dynamically authorizing project members by the project group leader;
(5) after the project group members modify data in the data source, the project group leader determines whether the problems related to the online calculation of the power grid are solved, if not, the project group leader reports the situation to a state transfer staff, and the state transfer staff verifies and issues the treatment opinions again, otherwise, the step 6 is carried out;
(6) the project team leader feeds back the problem to the national call manager, and cancels the dynamic authorization of the project team members after confirming the problem is solved.
11. The method of claim 10, wherein in said step (3), project team members apply modification rights upward; the project group leader changes the authority of the project group member from static authorization to dynamic authorization; the static authorization is that the engineering owner authorizes the user, and the static authorization cannot change the online data; dynamic authorization is authorized by the project group leader when the project is in use, and changes are made to the online data by the dynamic authorization.
12. The method of claim 10, wherein in step (3), the item failure comprises: engineering project faults, job level faults and partition level faults; the priority of the project fault is the highest, the next is the job level fault, and the last is the partition level fault.
13. The method of claim 10, wherein in step (5), the data support module and the data exchange module are invoked to modify the data.
14. The method of claim 10, wherein in step (6), a unified safety management module oversees and monitors data safety in resolving a project failure.
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| CN113007195A (en) * | 2021-04-14 | 2021-06-22 | 山东大学 | High-temperature multi-mode permanent fixation-forbidden intelligent bolt and bolt array |
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