CN110929900A - Intelligent maintenance management system and method for power grid - Google Patents
Intelligent maintenance management system and method for power grid Download PDFInfo
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Abstract
The invention discloses a power grid intelligent maintenance management system and a power grid intelligent maintenance management method. The system comprises a cross-information security area communication module, a system intelligent analysis matching block and a card hanging and picking feasibility analysis module. The method comprises the following steps: firstly, acquiring maintenance information from an OMS (operation management system) of a power failure management system by a cross-information security zone communication module and transmitting the maintenance information across security zones; then the system intelligent analysis matching block intelligently analyzes the overhaul file and matches corresponding equipment with the equipment information according to a matching rule; visual management is carried out on the maintenance information in the master console; and finally, analyzing the maintenance information by using a listing and picking feasibility analysis module, and automatically listing and picking the mahjong based on an analysis result. The invention reduces the workload and the error rate of manual operation of operation and maintenance personnel, and avoids the interference of abnormal data such as wrong remote signaling, sudden change remote sensing and the like generated by a regulation and control system on the monitoring work of the power grid in the process of equipment maintenance.
Description
Technical Field
The invention belongs to the technical field of power grid operation and maintenance management, and particularly relates to a power grid intelligent maintenance management system and method.
Background
The power line is an important component of a power system, bears the main task of transmitting electric energy, and plays a particularly important role in national economic development. In recent years, power enterprises in China are continuously deepened to carry out internal innovation and a management method is innovated, great progress is made, the effect on the operation, maintenance and management of power lines is remarkable, and the rapid and stable development of the power enterprises is ensured.
The electric power operation and maintenance refers to the maintenance of electric power lines, electric power operation and electric power first-aid repair by professional teams. The safety production is regulated, the maintenance board must be hung when the power equipment is maintained, and the maintenance board is removed after the maintenance is finished. At present, the service flow of manually hanging and picking the maintenance board is as follows: the station maintenance responsible person contacts the master station operation and maintenance person by telephone to apply for starting related equipment maintenance work, the master station operation and maintenance person checks whether a corresponding maintenance order exists in the OMS, if so, a maintenance plate is hung on the corresponding equipment in the regulation and control system, and the station maintenance responsible person is informed by telephone to start maintenance; if not, the telephone informs a station maintenance responsible person to submit a maintenance order and apply for maintenance; after the overhaul is finished, the station overhaul responsible person notifies the master station operation and maintenance personnel of the completion of work through the telephone, and the master station operation and maintenance personnel receives the telephone notification of the station overhaul responsible person and removes the overhaul board of the corresponding equipment.
The control center monitors the running state of a power grid through a control system, abnormal data such as wrong remote signaling, sudden change remote sensing and the like generated by the control system in the equipment maintenance process seriously interfere with the power grid monitoring work, at present, the abnormal data in the equipment maintenance period is shielded in a mode of manually hanging a maintenance plate on maintenance equipment in the control system, although the problem of interference of the equipment maintenance on the power grid monitoring is solved in the mode, the whole process is finished by people according to a management system, and a plurality of units are involved, the hanging missing/picking risks caused by human factors such as untimely communication and the like can not be avoided, and the risks are extremely high particularly in the maintenance peak period.
Disclosure of Invention
The invention aims to provide a power grid intelligent maintenance management system and a power grid intelligent maintenance management method, which can more effectively finish the operation of hanging and picking cards during the maintenance of power equipment, reduce the workload and the error rate of manual operation of operation and maintenance personnel, and avoid the interference of abnormal data such as error remote signaling, mutation remote sensing and the like generated by a regulation and control system on the monitoring work of a power grid in the maintenance process of the equipment.
The technical solution for realizing the invention is as follows: an intelligent power grid maintenance management system comprises a cross-information safety area communication module, a system intelligent analysis matching block and a listing and picking feasibility analysis module;
the cross-information safety zone communication module is used for receiving maintenance information required by an intelligent maintenance management function in the dispatching control system from the OMS; exporting overhaul ticket information from the OMS system in the area III, and sending the overhaul ticket information to two WEB servers in the area III through ftp; the overhaul ticket information is sent to two application servers in the I area through a reverse isolation device; after the I area application server receives the overhaul ticket information, the I area application server sends identification information of successful receiving to a III area WEB server through a forward isolation device; the WEB server in the area III judges whether the identification information which is successfully received is received, and if the identification information which is successfully received is not received, the identification information is retransmitted; if the information is received, the I area application server analyzes and processes the maintenance information file, and sends the maintenance information file to the master control end;
the system intelligent analysis matching module is used for intelligently analyzing and fuzzy matching parts of the OMS system, which are different from the dispatching control system in equipment name, by using the maintenance information required by the intelligent maintenance management function in the dispatching control system, and realizing intelligent analysis of the maintenance information by adopting an analysis method combining fuzzy matching, keyword matching and artificial intelligent learning according to the OMS system equipment name and the regulating system equipment name;
the system comprises a scheduling control system, a tile hanging and picking feasibility analysis module, an automatic tile hanging and picking analysis module and an automatic tile hanging and picking analysis module, wherein the scheduling control system is used for controlling the intelligent maintenance management function to complete intelligent analysis of maintenance information, carrying out tile hanging and picking operation according to the tile hanging and picking time of the maintenance information, converting the tile hanging and picking feasibility analysis during manual tile hanging and picking operation into automatic tile hanging and picking analysis, carrying out quantitative analysis according to the experience of manual analysis, and compiling into an automatic tile hanging and.
An intelligent power grid maintenance management method comprises the following steps:
step 1, acquiring maintenance information from an OMS (operation, maintenance and maintenance) and performing cross-information safety zone transmission through a cross-information safety zone communication module;
step 2, the system intelligent analysis matching module intelligently analyzes the overhaul file and matches corresponding equipment with the equipment information according to matching rules;
step 3, visually managing the maintenance information in the master console;
and 4, analyzing the maintenance information by a listing and picking feasibility analysis module, and automatically listing and picking cards based on the analysis result.
As a specific example, the step 1 of obtaining the maintenance information from the power outage management system and performing cross-information security zone transmission through the cross-information security zone communication module specifically includes:
step 1.1, exporting overhaul ticket information from an OMS (operation, maintenance and management) system in a region III, and sending the overhaul ticket information to two WEB servers in the region III through ftp;
step 1.2, the overhaul ticket information is sent to two application servers in the I area through a reverse isolation device;
step 1.3, after the I area application server receives the overhaul ticket information, sending successful receiving identification information to a III area WEB server through a forward isolation device;
step 1.4, the WEB server in the area III judges whether receiving successful identification information is received or not, and if not, retransmission is carried out; if yes, entering step 1.5;
and step 1.5, the I area application server analyzes and processes the maintenance information file and sends the maintenance information file to the master control end.
As a specific example, the system intelligent analysis matching module in step 2 intelligently analyzes the overhaul file, and matches the corresponding device with the device information according to the matching rule, which is specifically as follows:
step 2.1, after the main control end host receives the maintenance information file, the main control end host analyzes and processes the maintenance information file through a system intelligent analysis matching module, and the standby host analyzes and processes the maintenance information file when the main control end host does not receive the maintenance information file; the maintenance information file adopts an E file standard format, the analysis file adopts an E language analysis standard dynamic library, and the analysis content comprises start time, end time, equipment name, station name, voltage level and maintenance information; the system comprises a host computer, a history alarm query tool and a regulation control system, wherein the host computer alarms in real time when not receiving the maintenance information file to remind the host computer of not correctly receiving the maintenance information file, and the alarm information complies with the regulation control system standard, can be checked through a real-time alarm window and inquired through the history alarm query tool;
step 2.2, intelligently analyzing fuzzy matching equipment for the circulated maintenance information, wherein the plant station name determines the equipment range in an accurate matching mode, and then fuzzy matching of the equipment name is carried out in a mode of extracting keywords of the equipment name;
step 2.3, checking the maintenance information, and marking the maintenance information as unreasonable if the checking time is not accordant with the current time < the starting time < the ending time; if the result is in accordance with the verification result, the verification is passed;
and 2.4, storing the information after passing the verification in a warehouse, and checking an information analysis verification storage result in the maintenance schedule information table through a DBI maintenance tool.
As a specific example, the visual management of the maintenance information in the main console in step 3 is specifically as follows:
step 3.1, opening a maintenance information management interface through a master control end host or an input terminal command;
step 3.2, after the user name and the password are correctly logged in, checking whether the user has the license hanging authority, if so, entering step 3.3 to carry out maintenance information management operation, and if not, reminding that the user does not have the management authority and cannot operate;
step 3.3, carrying out maintenance information query according to listing time, picking time, planned maintenance starting time, planned maintenance finishing time, station and state, wherein the query result display field is as follows: the system comprises a maintenance ID, a station, a voltage grade, an equipment name, a planned maintenance starting time, a planned maintenance finishing time, a listing time, maintenance information and a state, and supports sequencing;
and 3.4, manually modifying the information with inaccurate intelligent analysis fuzzy matching result through the retriever, deleting the selected overhaul information through right key operation, and only marking the data as deleted without deleting the data in the database.
As a specific example, the deck-off feasibility analysis module in step 4 analyzes the overhaul information, and performs automatic deck-off operation based on the analysis result, which is specifically as follows:
4.1, analyzing the maintenance information by a hang-off card feasibility analysis module, performing hang-off card feasibility analysis after the starting time of maintenance operation in a waiting execution state is reached, and modifying the state to be in execution if the maintenance operation is feasible and the hang-off card is already hung; if the operation is feasible and the card is not listed, submitting the card listing request of the corresponding equipment to a regulation and control system; if the card is not hung after the time exceeds 15 minutes after the starting time is reached, sending an alarm;
step 4.2, for the maintenance operation in the 'execution' state, after the end time is reached, if the cards have been picked, the modification state is 'execution end'; if the cards are not picked, comprehensively judging whether records of the same equipment with time overlap exist, submitting a card picking request of the corresponding equipment to a regulation and control system if the records of the same equipment with time overlap do not exist, and only modifying the state to be 'execution end' if the records of the same equipment with time overlap exist; if the card is not picked after the ending time is reached and the time exceeds 15 minutes, sending an alarm, and checking the operation alarm through an alarm window of a regulation system;
and 4.3, searching the historical alarm records through alarm inquiry.
As a specific example, the master control end adopts dual-computer redundant hot standby operation of the host computer and the standby computer, and the host computer and the standby computer synchronize data in real time, so that when one computer fails, information is guaranteed not to be lost.
As a specific example, the fuzzy matching in step 2.2 is to perform device matching according to the principle of minimum string distance by using a string distance algorithm.
As a specific example, the step 2 matches the corresponding device with the device information according to the matching rule, the matching function performs intelligent learning after the matching fails, and automatically matches the history records according to the intelligent learning of the manual maintenance records.
Compared with the prior art, the invention has the remarkable advantages that: (1) the work efficiency of completing the card hanging and picking operation during maintenance of the power equipment is improved; (2) the error rate of manual operation is reduced, the interference of abnormal data such as wrong remote signaling, sudden change remote sensing and the like generated by a regulation and control system in the equipment maintenance process on the power grid monitoring work is avoided, and the safety of the equipment maintenance process is improved.
Drawings
Fig. 1 is a schematic flow chart of an intelligent power grid maintenance management method according to the present invention.
Fig. 2 is a schematic flow chart of file transfer across the secure information area in the present invention.
Detailed Description
Maintenance information in an intelligent maintenance management function based on a scheduling control system is from an OMS (operation, maintenance and management) system, and the identity of a maintenance information management user needs to be guaranteed to be real and credible, so that malicious users and unauthorized users are prevented from accessing; the integrity and confidentiality of maintenance data transmission and interaction are guaranteed, and data are prevented from being tampered when the external network maintenance information data are uploaded; sensitive information such as user password and service data is prevented from being leaked; the safety of the automatic listing module is guaranteed, and unauthorized access to module maintenance information, sensitive data leakage, illegal attack to a system and the like are prevented.
The invention discloses an intelligent power grid maintenance management system which comprises a cross-information safety area communication module, a system intelligent analysis matching block and a listing and hanging feasibility analysis module;
the cross-information safety zone communication module is used for receiving maintenance information required by an intelligent maintenance management function in the dispatching control system from the OMS; exporting overhaul ticket information from the OMS system in the area III, and sending the overhaul ticket information to two WEB servers in the area III through ftp; the overhaul ticket information is sent to two application servers in the I area through a reverse isolation device; after the I area application server receives the overhaul ticket information, the I area application server sends identification information of successful receiving to a III area WEB server through a forward isolation device; the WEB server in the area III judges whether the identification information which is successfully received is received, and if the identification information which is successfully received is not received, the identification information is retransmitted; if the information is received, the I area application server analyzes and processes the maintenance information file, and sends the maintenance information file to the master control end;
the system intelligent analysis matching module is used for intelligently analyzing and fuzzy matching parts of the OMS system, which are different from the dispatching control system in equipment name, by using the maintenance information required by the intelligent maintenance management function in the dispatching control system, and realizing intelligent analysis of the maintenance information by adopting an analysis method combining fuzzy matching, keyword matching and artificial intelligent learning according to the OMS system equipment name and the regulating system equipment name;
the system comprises a scheduling control system, a tile hanging and picking feasibility analysis module, an automatic tile hanging and picking analysis module and an automatic tile hanging and picking analysis module, wherein the scheduling control system is used for controlling the intelligent maintenance management function to complete intelligent analysis of maintenance information, carrying out tile hanging and picking operation according to the tile hanging and picking time of the maintenance information, converting the tile hanging and picking feasibility analysis during manual tile hanging and picking operation into automatic tile hanging and picking analysis, carrying out quantitative analysis according to the experience of manual analysis, and compiling into an automatic tile hanging and.
An intelligent power grid maintenance management method comprises the following steps:
step 1, acquiring maintenance information from an OMS (operation, maintenance and maintenance) and performing cross-information safety zone transmission through a cross-information safety zone communication module;
step 2, the system intelligent analysis matching module intelligently analyzes the overhaul file and matches corresponding equipment with the equipment information according to matching rules;
step 3, visually managing the maintenance information in the master console;
and 4, analyzing the maintenance information by a listing and picking feasibility analysis module, and automatically listing and picking cards based on the analysis result.
As a specific example, the step 1 of obtaining the maintenance information from the power outage management system and performing cross-information security zone transmission through the cross-information security zone communication module specifically includes:
step 1.1, exporting overhaul ticket information from an OMS (operation, maintenance and management) system in a region III, and sending the overhaul ticket information to two WEB servers in the region III through ftp;
step 1.2, the overhaul ticket information is sent to two application servers in the I area through a reverse isolation device;
step 1.3, after the I area application server receives the overhaul ticket information, sending successful receiving identification information to a III area WEB server through a forward isolation device;
step 1.4, the WEB server in the area III judges whether receiving successful identification information is received or not, and if not, retransmission is carried out; if yes, entering step 1.5;
and step 1.5, the I area application server analyzes and processes the maintenance information file and sends the maintenance information file to the master control end.
As a specific example, the system intelligent analysis matching module in step 2 intelligently analyzes the overhaul file, and matches the corresponding device with the device information according to the matching rule, which is specifically as follows:
step 2.1, after the main control end host receives the maintenance information file, the main control end host analyzes and processes the maintenance information file through a system intelligent analysis matching module, and the standby host analyzes and processes the maintenance information file when the main control end host does not receive the maintenance information file; the maintenance information file adopts an E file standard format, the analysis file adopts an E language analysis standard dynamic library, and the analysis content comprises start time, end time, equipment name, station name, voltage level and maintenance information; the system comprises a host computer, a history alarm query tool and a regulation control system, wherein the host computer alarms in real time when not receiving the maintenance information file to remind the host computer of not correctly receiving the maintenance information file, and the alarm information complies with the regulation control system standard, can be checked through a real-time alarm window and inquired through the history alarm query tool;
step 2.2, intelligently analyzing fuzzy matching equipment for the circulated maintenance information, wherein the plant station name determines the equipment range in an accurate matching mode, and then fuzzy matching of the equipment name is carried out in a mode of extracting keywords of the equipment name;
step 2.3, checking the maintenance information, and marking the maintenance information as unreasonable if the checking time is not accordant with the current time < the starting time < the ending time; if the result is in accordance with the verification result, the verification is passed;
and 2.4, storing the information after passing the verification in a warehouse, and checking an information analysis verification storage result in the maintenance schedule information table through a DBI maintenance tool.
As a specific example, the visual management of the maintenance information in the main console in step 3 is specifically as follows:
step 3.1, opening a maintenance information management interface through a master control end host or an input terminal command;
step 3.2, after the user name and the password are correctly logged in, checking whether the user has the license hanging authority, if so, entering step 3.3 to carry out maintenance information management operation, and if not, reminding that the user does not have the management authority and cannot operate;
step 3.3, carrying out maintenance information query according to listing time, picking time, planned maintenance starting time, planned maintenance finishing time, station and state, wherein the query result display field is as follows: the system comprises a maintenance ID, a station, a voltage grade, an equipment name, a planned maintenance starting time, a planned maintenance finishing time, a listing time, maintenance information and a state, and supports sequencing;
and 3.4, manually modifying the information with inaccurate intelligent analysis fuzzy matching result through the retriever, deleting the selected overhaul information through right key operation, and only marking the data as deleted without deleting the data in the database.
As a specific example, the deck-off feasibility analysis module in step 4 analyzes the overhaul information, and performs automatic deck-off operation based on the analysis result, which is specifically as follows:
4.1, analyzing the maintenance information by a hang-off card feasibility analysis module, performing hang-off card feasibility analysis after the starting time of maintenance operation in a waiting execution state is reached, and modifying the state to be in execution if the maintenance operation is feasible and the hang-off card is already hung; if the operation is feasible and the card is not listed, submitting the card listing request of the corresponding equipment to a regulation and control system; if the card is not hung after the time exceeds 15 minutes after the starting time is reached, sending an alarm;
step 4.2, for the maintenance operation in the 'execution' state, after the end time is reached, if the cards have been picked, the modification state is 'execution end'; if the cards are not picked, comprehensively judging whether records of the same equipment with time overlap exist, submitting a card picking request of the corresponding equipment to a regulation and control system if the records of the same equipment with time overlap do not exist, and only modifying the state to be 'execution end' if the records of the same equipment with time overlap exist; if the card is not picked after the ending time is reached and the time exceeds 15 minutes, sending an alarm, and checking the operation alarm through an alarm window of a regulation system;
and 4.3, searching the historical alarm records through alarm inquiry.
As a specific example, the master control end adopts dual-computer redundant hot standby operation of the host computer and the standby computer, and the host computer and the standby computer synchronize data in real time, so that when one computer fails, information is guaranteed not to be lost.
As a specific example, the fuzzy matching in step 2.2 is to perform device matching according to the principle of minimum string distance by using a string distance algorithm.
As a specific example, the step 2 matches the corresponding device with the device information according to the matching rule, the matching function performs intelligent learning after the matching fails, and automatically matches the history records according to the intelligent learning of the manual maintenance records.
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to fig. 1, the intelligent power grid maintenance management system of the present invention includes a cross-information security area communication module, a system intelligent analysis matching block, and a hang-pick board feasibility analysis module;
the cross-information safety zone communication module is used for scheduling maintenance information required by an intelligent maintenance management function in the control system to be from an OMS (operation management system); exporting overhaul ticket information from the OMS system in the area III, and sending the overhaul ticket information to two WEB servers in the area III through ftp; the overhaul ticket information is sent to two application servers in the I area through a reverse isolation device; after the I area application server receives the overhaul ticket information, the I area application server sends identification information of successful receiving to a III area WEB server through a forward isolation device; the WEB server in the area III judges whether the identification information which is successfully received is received, and if the identification information which is successfully received is not received, the identification information is retransmitted; if the information is received, the I area application server analyzes and processes the maintenance information file, and sends the maintenance information file to the master control end;
the cross-information security zone communication module is used for guaranteeing the authenticity and credibility of the identity of the overhaul information management user and preventing malicious users and unauthorized users from accessing; the integrity and confidentiality of maintenance data transmission and interaction are guaranteed, and data are prevented from being tampered when the external network maintenance information data are uploaded; sensitive information such as user password and service data is prevented from being leaked; the safety of the automatic listing module is guaranteed, and unauthorized access to module maintenance information, leakage of sensitive data and illegal attack to a system are prevented;
the system intelligent analysis matching module is used for intelligently analyzing and fuzzy matching parts with larger difference between equipment names in the OMS and the dispatching control system, and realizing intelligent analysis of the overhaul information by adopting an analysis method combining fuzzy matching, keyword matching and artificial intelligent learning according to the equipment names of the OMS and the equipment names of the regulating and controlling system;
the system comprises a scheduling control system, a tile hanging and picking feasibility analysis module, an automatic tile hanging and picking analysis module and an automatic tile hanging and picking analysis module, wherein the scheduling control system is used for controlling the intelligent maintenance management function to complete intelligent analysis of maintenance information, carrying out tile hanging and picking operation according to the tile hanging and picking time of the maintenance information, converting the tile hanging and picking feasibility analysis during manual tile hanging and picking operation into automatic tile hanging and picking analysis, carrying out quantitative analysis according to the experience of manual analysis, and compiling into an automatic tile hanging and.
With reference to fig. 1 and 2, an intelligent power grid maintenance management method includes the following steps:
step 1, a cross-information safety zone communication module acquires maintenance information from an OMS (operation, maintenance and management system) and transmits the maintenance information across safety zones, and the cross-information safety zone communication module specifically comprises the following steps:
step 1.1, exporting overhaul ticket information from an OMS (operation, maintenance and management) system of the III area by a cross-information security area communication module, and sending the overhaul ticket information to two WEB servers of the III area through ftp;
the OMS exports an overhaul file in an e language format, the file content consists of overhaul information and fuzzy matching reference information, the overhaul information comprises JXPID, a power supply unit, work content, a power failure equipment name, a power failure equipment type, a voltage grade, a power failure application type, power failure application submission time, power failure application batch time, mode review power failure starting time, mode review power failure ending time, scheduling reply power failure operation starting time, scheduling reply power failure operation ending time, actual power failure operation starting time and actual power failure operation ending time, and the fuzzy matching reference information comprises OBJ _ ID, an overhaul ticket ID, a unit name, a unit ID, an equipment name, an equipment ID, a station name, an equipment type and an equipment state; uploading the file to two proxy servers in the area III through an FTP (file transfer protocol), and enabling the two proxy servers in the area III to receive the file buffer area and check and repair the file through an ls command;
step 1.2, the overhaul ticket information is sent to two application servers in the I area through a reverse isolation device;
the maintenance files are sent to a regulation and control system in three times, the first time comprises maintenance information and planned starting and ending time, the actual tile hanging and picking time is empty, the actual tile hanging time is newly increased for the second time, and the actual tile picking time is newly increased for the third time;
step 1.3, after the I area application server receives the overhaul ticket information, sending successful receiving identification information to a III area WEB server through a forward isolation device;
step 1.4, the WEB server in the area III judges whether receiving successful identification information is received or not, and if not, retransmission is carried out; if yes, entering step 1.5;
the WEB server in the area III judges whether the file is successfully received or not by reading the file updating time, the last change time of the file is read every 5 seconds, the file is considered to be successfully received after the file is not changed for 2 seconds, the file is submitted to a file sending area after the file receiving buffer area successfully receives the overhaul file, and the overhaul file can be checked through an ls command;
step 1.5, the application server in the area I analyzes and processes the maintenance information file and sends the maintenance information file to a master control end; the overhaul file in the file sending area can be correctly monitored by the reverse transmission module and transmitted to the I area of the regulation and control system through reverse isolation, the file directory is received in the I area of the regulation and control system, and the file can be viewed through the ls command.
Step 2, the system intelligent analysis matching module intelligently analyzes the overhaul file, and matches corresponding equipment with equipment information according to matching rules, wherein the method specifically comprises the following steps:
step 2.1, after the main control end host receives the maintenance information file, the main control end host analyzes and processes the maintenance information file through a system intelligent analysis matching module, and the standby host analyzes and processes the maintenance information file when the main control end host does not receive the maintenance information file; the maintenance information file adopts an E file standard format, the analysis file adopts an E language analysis standard dynamic library, and the analysis content comprises start time, end time, equipment name, station name, voltage level and maintenance information; the analyzed maintenance information and the file names are stored in an 'maintenance schedule information table', then the table is synchronized to a region III, the region III judges the transmission state by reading the file names in the 'maintenance schedule information table' of a real-time library, if the file exists, the transmission is successful, if the file name does not exist, the transmission is continued, the file is moved to a FAIL directory after 1 hour, real-time warning is carried out, a host is reminded of not correctly receiving the maintenance information file, the warning information complies with the standard of a regulation and control system, can be checked through a real-time warning window, and can be inquired through a historical warning inquiry tool; classifying backup files according to the file transmission state, successfully transmitting the file backup to a SUCCESS directory, unsuccessfully transmitting the file backup to a FAIL directory, and respectively checking the files which are successfully and unsuccessfully transmitted in the SUCCESS directory and the FAIL directory through an ls command; the file with failed transmission is written into the alarm library in the area III, the alarm is sent to the electronic on-duty system through the electronic on-duty interface, and short message alarm is carried out;
step 2.2, intelligently analyzing fuzzy matching equipment for the circulated maintenance information, wherein the plant station name determines the equipment range in an accurate matching mode, and then fuzzy matching of the equipment name is carried out in a mode of extracting keywords of the equipment name;
step 2.3, checking the maintenance information, and marking the maintenance information as unreasonable if the checking time is not accordant with the current time < the starting time < the ending time; if the result is in accordance with the verification result, the verification is passed;
and 2.4, storing the information after passing the verification in a warehouse, and checking an information analysis verification storage result in the maintenance schedule information table through a DBI maintenance tool.
Step 3, visually managing the maintenance information in the master control station, which specifically comprises the following steps:
step 3.1, opening a maintenance information management interface through a master control end host or an input terminal command;
step 3.2, after the user name and the password are correctly logged in, checking whether the user has the license hanging authority, if so, entering step 3.3 to carry out maintenance information management operation, and if not, reminding that the user does not have the management authority and cannot operate;
step 3.3, carrying out maintenance information query according to listing time, picking time, planned maintenance starting time, planned maintenance finishing time, station and state, wherein the query result display field is as follows: the system comprises a maintenance ID, a station, a voltage grade, an equipment name, a planned maintenance starting time, a planned maintenance finishing time, a listing time, maintenance information and a state, and supports sequencing;
and 3.4, manually modifying the information with inaccurate intelligent analysis fuzzy matching result through the retriever, deleting the selected overhaul information through right key operation, and only marking the data as deleted without deleting the data in the database.
Step 4, analyzing the maintenance information by a tile hanging and picking feasibility analysis module, and automatically hanging and picking the tiles based on the analysis result, wherein the method specifically comprises the following steps:
4.1, analyzing the maintenance information by a hang-off card feasibility analysis module, performing hang-off card feasibility analysis after the starting time of maintenance operation in a waiting execution state is reached, and modifying the state to be in execution if the maintenance operation is feasible and the hang-off card is already hung; if the operation is feasible and the card is not listed, submitting the card listing request of the corresponding equipment to a regulation and control system; if the card is not hung after the time exceeds 15 minutes after the starting time is reached, sending an alarm;
step 4.2, for the maintenance operation in the 'execution' state, after the end time is reached, if the cards have been picked, the modification state is 'execution end'; if the cards are not picked, comprehensively judging whether records of the same equipment with time overlap exist, submitting a card picking request of the corresponding equipment to a regulation and control system if the records of the same equipment with time overlap do not exist, and only modifying the state to be 'execution end' if the records of the same equipment with time overlap exist; if the card is not picked after the ending time is reached and the time exceeds 15 minutes, sending an alarm, and checking the operation alarm through an alarm window of a regulation system;
and 4.3, searching the historical alarm records through alarm inquiry.
The invention improves the working efficiency of completing the plate hanging and picking operation during the maintenance of the power equipment, reduces the error rate of manual operation, avoids the interference of abnormal data such as error remote signaling, mutation remote sensing and the like generated by a regulation and control system in the maintenance process of the equipment on the monitoring work of a power grid, and improves the safety of the maintenance process of the equipment.
Claims (9)
1. An intelligent power grid maintenance management system is characterized by comprising a cross-information safety area communication module, a system intelligent analysis matching block and a listing and picking feasibility analysis module;
the cross-information safety zone communication module is used for scheduling maintenance information required by an intelligent maintenance management function in the control system to be from an OMS (operation management system); exporting overhaul ticket information from the OMS system in the area III, and sending the overhaul ticket information to two WEB servers in the area III through ftp; the overhaul ticket information is sent to two application servers in the I area through a reverse isolation device; after the I area application server receives the overhaul ticket information, the I area application server sends identification information of successful receiving to a III area WEB server through a forward isolation device; the WEB server in the area III judges whether the identification information which is successfully received is received, and if the identification information which is successfully received is not received, the identification information is retransmitted; if the information is received, the I area application server analyzes and processes the maintenance information file, and sends the maintenance information file to the master control end;
the method is used for guaranteeing the authenticity and credibility of the identity of the overhaul information management user and preventing malicious users and unauthorized users from accessing; the integrity and confidentiality of maintenance data transmission and interaction are guaranteed, and data are prevented from being tampered when the external network maintenance information data are uploaded; sensitive information including user password and service data is prevented from being leaked; the safety of the automatic listing module is guaranteed, and unauthorized access to module maintenance information, leakage of sensitive data and illegal attack to a system are prevented;
the system intelligent analysis matching module is used for intelligently analyzing and fuzzy matching parts of the OMS system, which are different from the dispatching control system in equipment name, by using the maintenance information required by the intelligent maintenance management function in the dispatching control system, and realizing intelligent analysis of the maintenance information by adopting an analysis method combining fuzzy matching, keyword matching and artificial intelligent learning according to the OMS system equipment name and the regulating system equipment name;
the system comprises a scheduling control system, a tile hanging and picking feasibility analysis module, an automatic tile hanging and picking analysis module and an automatic tile hanging and picking analysis module, wherein the scheduling control system is used for controlling the intelligent maintenance management function to complete intelligent analysis of maintenance information, carrying out tile hanging and picking operation according to the tile hanging and picking time of the maintenance information, converting the tile hanging and picking feasibility analysis during manual tile hanging and picking operation into automatic tile hanging and picking analysis, carrying out quantitative analysis according to the experience of manual analysis, and compiling into an automatic tile hanging and.
2. The intelligent power grid maintenance management method is characterized by comprising the following steps:
step 1, acquiring maintenance information from an OMS (operation, maintenance and maintenance) and performing cross-information safety zone transmission through a cross-information safety zone communication module;
step 2, the system intelligent analysis matching module intelligently analyzes the overhaul file and matches corresponding equipment with the equipment information according to matching rules;
step 3, visually managing the maintenance information in the master console;
and 4, analyzing the maintenance information by a listing and picking feasibility analysis module, and automatically listing and picking cards based on the analysis result.
3. The intelligent power grid overhaul management method according to claim 2, wherein the overhaul information is obtained from the power outage management system in step 1 and is transmitted across safety zones through a cross-information safety zone communication module, and the method specifically comprises the following steps:
step 1.1, exporting overhaul ticket information from an OMS (operation, maintenance and management) system in a region III, and sending the overhaul ticket information to two WEB servers in the region III through ftp;
step 1.2, the overhaul ticket information is sent to two application servers in the I area through a reverse isolation device;
step 1.3, after the I area application server receives the overhaul ticket information, sending successful receiving identification information to a III area WEB server through a forward isolation device;
step 1.4, the WEB server in the area III judges whether receiving successful identification information is received or not, and if not, retransmission is carried out; if yes, entering step 1.5;
and step 1.5, the I area application server analyzes and processes the maintenance information file and sends the maintenance information file to the master control end.
4. The intelligent power grid overhaul management method according to claim 2, wherein the system intelligent analysis matching module in step 2 intelligently analyzes the overhaul file, and matches corresponding equipment with equipment information according to matching rules, specifically as follows:
step 2.1, after the main control end host receives the maintenance information file, the main control end host analyzes and processes the maintenance information file through a system intelligent analysis matching module, and the standby host analyzes and processes the maintenance information file when the main control end host does not receive the maintenance information file; the maintenance information file adopts an E file standard format, the analysis file adopts an E language analysis standard dynamic library, and the analysis content comprises start time, end time, equipment name, station name, voltage level and maintenance information; the system comprises a host computer, a history alarm query tool and a regulation control system, wherein the host computer alarms in real time when not receiving the maintenance information file to remind the host computer of not correctly receiving the maintenance information file, and the alarm information complies with the regulation control system standard, can be checked through a real-time alarm window and inquired through the history alarm query tool;
step 2.2, intelligently analyzing fuzzy matching equipment for the circulated maintenance information, wherein the plant station name determines the equipment range in an accurate matching mode, and then fuzzy matching of the equipment name is carried out in a mode of extracting keywords of the equipment name;
step 2.3, checking the maintenance information, and marking the maintenance information as unreasonable if the checking time is not accordant with the current time < the starting time < the ending time; if the result is in accordance with the verification result, the verification is passed;
and 2.4, storing the information after passing the verification in a warehouse, and checking an information analysis verification storage result in the maintenance schedule information table through a DBI maintenance tool.
5. The power grid intelligent maintenance management method according to claim 2, wherein the maintenance information is visually managed at the main console in step 3, specifically as follows:
step 3.1, opening a maintenance information management interface through a master control end host or an input terminal command;
step 3.2, after the user name and the password are correctly logged in, checking whether the user has the license hanging authority, if so, entering step 3.3 to carry out maintenance information management operation, and if not, reminding that the user does not have the management authority and cannot operate;
step 3.3, carrying out maintenance information query according to listing time, picking time, planned maintenance starting time, planned maintenance finishing time, station and state, wherein the query result display field is as follows: the system comprises a maintenance ID, a station, a voltage grade, an equipment name, a planned maintenance starting time, a planned maintenance finishing time, a listing time, maintenance information and a state, and supports sequencing;
and 3.4, manually modifying the information with inaccurate intelligent analysis fuzzy matching result through the retriever, deleting the selected overhaul information through right key operation, and only marking the data as deleted without deleting the data in the database.
6. The intelligent power grid overhaul management method according to claim 2, wherein the deck hanging and picking feasibility analysis module in the step 4 analyzes overhaul information and performs automatic deck hanging and picking operation based on an analysis result, and the method specifically comprises the following steps:
4.1, analyzing the maintenance information by a hang-off card feasibility analysis module, performing hang-off card feasibility analysis after the starting time of maintenance operation in a waiting execution state is reached, and modifying the state to be in execution if the maintenance operation is feasible and the hang-off card is already hung; if the operation is feasible and the card is not listed, submitting the card listing request of the corresponding equipment to a regulation and control system; if the card is not hung after the time exceeds 15 minutes after the starting time is reached, sending an alarm;
step 4.2, for the maintenance operation in the 'execution' state, after the end time is reached, if the cards have been picked, the modification state is 'execution end'; if the cards are not picked, comprehensively judging whether records of the same equipment with time overlap exist, submitting a card picking request of the corresponding equipment to a regulation and control system if the records of the same equipment with time overlap do not exist, and only modifying the state to be 'execution end' if the records of the same equipment with time overlap exist; if the card is not picked after the ending time is reached and the time exceeds 15 minutes, sending an alarm, and checking the operation alarm through an alarm window of a regulation system;
and 4.3, searching the historical alarm records through alarm inquiry.
7. The intelligent power grid overhaul management method as claimed in claim 2, wherein the master control end adopts dual redundant hot standby operation of a host and a standby machine, the host and the standby machine synchronize data in real time, and information is guaranteed not to be lost when one machine fails.
8. The intelligent power grid overhaul management method according to claim 4, wherein the fuzzy matching in step 2.2 is specifically performed by using a string distance algorithm and performing equipment matching according to a string distance minimum principle.
9. The intelligent power grid overhaul management method according to claim 2, wherein corresponding equipment is matched with the equipment information according to the matching rule in the step 2, the matching function performs intelligent learning after the matching fails, and history records are automatically matched according to the intelligent learning of the manual maintenance records.
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