CN109299876B - Method and system for generating and issuing risk information of power grid N-1 - Google Patents
Method and system for generating and issuing risk information of power grid N-1 Download PDFInfo
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Abstract
The invention relates to a method and a system for generating and releasing risk information of a power grid N-1, wherein the method comprises the following steps: s1: establishing an address book maintenance table, and S2: set risk information distribution level requirement, S3: selecting N-1 equipment needing to distribute information, S4: selecting a device to be issued, S5: single power supply condition determination, S6: generating risk information, S7: information is integrated and stored in a basic information table, S8: generating a risk information publishing queue, S9: outputting the risk information issuing alignment obtained in the S8 to an information center short message platform for issuing; the system comprises a basic information module, an input module, a central processing module and an output module; the system can normalize the release of the N-1 risk and improve the release efficiency of the N-1 risk, thereby improving the safety and the reliability of the operation of the power grid, and meanwhile, compared with manual operation, the system can improve the working efficiency, improve the accuracy of information release and reduce the labor intensity of workers.
Description
Technical Field
The invention relates to the field of power grid real-time operation risk management and control, in particular to a method and a system for generating and issuing power grid N-1 risk information.
Background
The modern society has higher and higher requirements on the power supply reliability of the power grid, timely issues the N-1 risk (weak link) of the power grid to relevant departments, and takes corresponding pre-control measures, which is very important work related to whether the power grid can safely and stably operate. The conventional power grid N-1 risk information issuing has no uniform issuing method and standard issuing process, so that the issuing of the N-1 risk is not standard, and the issuing efficiency is low. The traditional method for issuing the N-1 risk information of the power grid adopts a method of manually editing information, inquiring units and personnel related to each risk device one by one and sending the information item by item, so that the manual processing has low working efficiency, low accuracy and high labor intensity.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a method and a system for generating and issuing risk information of a power grid N-1.
The method comprises the following steps:
s1: establishing an address book maintenance table;
s2: setting the requirement of the N-1 risk information release level;
s3: screening out N-1 equipment meeting the conditions from the result analysis report of the power grid equipment N-1 according to the risk information release grade requirement set in the S2;
s4: selecting equipment needing to distribute information from the screening result of the step S3;
s5: analyzing the devices obtained in the step S4 one by one, and judging whether the devices meet the single-power-supply condition;
s6: the risk information of the devices obtained in step S4 is generated one by one, and "single power supply" is marked in the risk information for the device determined to be powered by single power supply in step S5;
s7: information integration, integrating the information obtained in the step S6 and storing the integrated information into a basic information table;
s8: generating a risk information publishing queue;
s9: and outputting the risk information issuing alignment obtained in the step S8 to an information center short message platform for issuing.
Preferably, the address book maintenance table established in step 1 includes information: name, phone, home organization architecture, role, and administrative requirements;
the attribution organization frameworks and the roles contained in the attribution organization frameworks are respectively as follows: the leader layer has the role of a station leader, the management layers of all substations have the roles of a substation leader, a substation accountability and a supervisor, each patrol and maintenance center has the role of a substation operator, each transmission center has the roles of a transmission leader and a transmission operator, and each scheduling center has the role of a scheduling center leader, a scheduling center accountability and a supervisor and a scheduling center dispatcher.
The invention provides a method for generating and publishing risk information of a power grid N-1, which mainly comprises the following steps: firstly, establishing an address book maintenance table, setting a risk information release grade requirement, selecting N-1 equipment needing to release information, then selecting the equipment needing to release information, analyzing the equipment needing to release information one by one, judging whether the equipment meets a single power supply condition, generating the risk information of the equipment needing to release information one by one, marking 'single supply' in the risk information of the equipment judged to be supplied with power by the single power supply, integrating the obtained information, storing the information into a basic information table, generating a risk information release queue, and outputting the risk information release queue to an information center short message platform for release. The invention can normalize the release of the N-1 risk and improve the release efficiency of the N-1 risk, thereby improving the safety and the reliability of the operation of the power grid.
Preferably, the determination process of step S5 is: inquiring whether equipment which belongs to the same transformer substation as the analysis object equipment and has the same equipment type and voltage grade exists in an automatic system equipment attribute table, and if the equipment does not exist, judging that the analysis object equipment belongs to single power supply for power supply; if the equipment exists, further topologically analyzing whether the equipment can be connected to any operation switch in the local station, if not, judging that the equipment to be analyzed belongs to single power supply equipment, otherwise, judging that the equipment is not supplied with power by single power supply.
Preferably, the risk information generated in step S6 has each risk information structure of: the device name + the reduced supply load + the number of the no-voltage transformer stations + the important users + the event level + the judgment basis; the device determined to be powered by the single power supply in step S4 is referred to as "single power supply" after the "device name".
Preferably, the information integration of step S7 includes the following steps:
s701: and inquiring the substation to which the substation belongs in the automatic system equipment attribute information table according to the equipment name in the information obtained in the step S6, inquiring the patrol and maintenance center to which the substation belongs from the corresponding table of the patrol and maintenance center of the DMIS system substation, integrating risk information belonging to the same patrol and maintenance center into information to be sent, sequencing the information contents according to the event level and the reduction supply load, and storing the information into a basic information table as a basic part for issuing information to a person belonging to the patrol and maintenance center and having an organization structure in the address book maintenance table.
S702: and inquiring the substation to which the substation belongs in the automatic system equipment attribute information table according to the equipment name in the information obtained in the step S6, inquiring the substation to which the substation belongs from the DMIS system substation patrol and maintenance center corresponding table and the patrol and maintenance center and the substation organization structure, integrating risk information belonging to the same substation into information to be sent, sequencing the content according to the event grade and the reduction load, and storing the information into a basic information table as a basic part for releasing information to personnel belonging to the substation management layer of which the organization structure is the 'substation' in the address book maintenance table.
S703: according to the equipment name in the information obtained in the step S6, the equipment type is inquired in the automatic system equipment attribute information table, the information of the line equipment is integrated into a piece of information to be sent, the content is sorted according to the event level and the reduction supply load, and the information is stored in the basic information table as the basic part for issuing information to the personnel whose attribution organization structure in the address book maintenance table is 'power transmission station'.
S704: and (4) integrating all the information obtained in the step (S6) into a piece of information to be sent, classifying the content according to power transformation and power transmission, sequencing all the categories according to event level and power reduction load, and storing the information into a basic information table as a basic part for releasing information to personnel with a leading layer and a scheduling center in an affiliation organization structure in an address book maintenance table.
Preferably, the specific process of generating the risk information issue queue in step S8 is as follows: the acquired risk information content of the power grid N-1 by any person in the address book maintenance table consists of a basic part and management requirements, wherein the content of the basic part selects the corresponding basic part from the basic information table generated in the step S7 according to the attribution organization structure of the basic part, and the content of the management requirements selects the corresponding management requirements according to the role of the basic part; for any person, if the corresponding content cannot be inquired in the basic information table, the information does not need to be issued to the person; after the information content received by each person is generated one by one, the telephone number of each person and the short message content form a release queue.
In order to improve the working efficiency, improve the accuracy of information generation and release and reduce the labor intensity of workers, the invention provides a system based on a power grid N-1 risk information generation and release method.
The system comprises: the device comprises a basic data module, an input module, a central processing module and an output module;
the basic data module provides basic data for a system for generating and releasing the risk information of the power grid N-1;
the input module inputs an outcome grade report of the N-1 equipment for a system for generating and releasing the risk information of the power grid N-1;
the central processing module generates risk information of the power grid N-1;
the output module is an information center platform and is used for realizing the release of the risk information of the power grid N-1;
preferably, the basic data module comprises a DMIS system and an automation system; the DMIS system provides power substation, maintenance inspection center and substation organization architecture data for a system for generating and releasing the risk information of the power grid N-1; the automatic system provides an E file, equipment association relation data and equipment attribute information for a system for generating and releasing the risk information of the power grid N-1;
preferably, the system provides E-files including, i.e., telemetry and telemetry information; the device attribute information includes: the transformer substation, the equipment type and the voltage class are attributed.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: the method provided by the invention can normalize the release of the N-1 risk and improve the release efficiency of the N-1 risk, thereby improving the safety and reliability of the operation of the power grid, and meanwhile, the system provided by the invention can rapidly and automatically release the risk content and the corresponding management requirement to related personnel, thereby improving the working efficiency, improving the accuracy of information release and reducing the labor intensity of the personnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for generating and publishing risk information of a power grid N-1 according to the present invention.
Fig. 2 is a system structure diagram of a method for generating and publishing risk information based on a power grid N-1 according to the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1:
the embodiment provides a method for generating and publishing risk information of a power grid N-1,
risk of N-1: also called as single fault risk, after any independent element (generator, transmission line, transformer, etc.) in N elements of the power system is cut off due to fault, the line is tripped, which results in the risks of user power failure, system stability damage, voltage breakdown, etc.
Topology analysis: and analyzing the connectivity of the plurality of devices under the condition of meeting the limit conditions according to the factors such as the device connection relation, the device type, the device state, the voltage level, the power flow direction and the like.
The basic data of the system mainly come from a DMIS system and an automation system.
The DMIS system provides organization architecture data of a substation, a maintenance inspection center and a substation;
the automation system provides E-files (telemetry, telemetry information), equipment association data, equipment attribute information (home substation, equipment type, voltage class).
The address book maintenance table is established locally, and the data structure is as follows:
TABLE 1 establishing contact list maintenance List
The system input data come from a consequence analysis report of the power grid equipment N-1, and the report content comprises the N-1 equipment, the number of the voltage-loss substations, the reduction and supply load, the influence on important users, the event grade and a judgment basis.
As shown in fig. 1, the method comprises the steps of:
s1: establishing an address book maintenance table;
s2: setting the requirement of the N-1 risk information release level;
s3: screening out N-1 equipment meeting the conditions from the result analysis report of the power grid equipment N-1 according to the risk information release grade requirement set in the S2;
s4: selecting equipment needing to distribute information from the screening result of the step S3;
s5: analyzing the devices obtained in the step S4 one by one, and judging whether the devices meet the single-power-supply condition;
s6: the risk information of the devices obtained in step S4 is generated one by one, and "single power supply" is marked in the risk information for the device determined to be powered by single power supply in step S5;
s7: information integration, integrating the information obtained in the step S6 and storing the integrated information into a basic information table;
s8: generating a risk information publishing queue;
s9: and outputting the risk information issuing alignment obtained in the step S8 to an information center short message platform for issuing.
The address book maintenance table established in the step 1 includes the following information: name, phone, home organization architecture, role, and administrative requirements;
the attribution organization frameworks and the roles contained in the attribution organization frameworks are respectively as follows: the leader layer has the role of a station leader, the management layers of all substations have the roles of a substation leader, a substation accountability and a supervisor, each patrol and maintenance center has the role of a substation operator, each transmission center has the roles of a transmission leader and a transmission operator, and each scheduling center has the role of a scheduling center leader, a scheduling center accountability and a supervisor and a scheduling center dispatcher.
The method provided by the embodiment mainly comprises the following processes: firstly, establishing an address book maintenance table, setting a risk information release grade requirement, selecting N-1 equipment needing to release information, then selecting the equipment needing to release information, analyzing the equipment needing to release information one by one, judging whether the equipment meets a single-power-supply condition, generating the risk information of the equipment needing to release information one by one, marking 'single supply' in the risk information of the equipment judged to be supplied with power by a single power supply, integrating the obtained information, storing the information into a basic information table, generating a risk information release queue, and outputting the risk information release queue to an information center short message platform for release; the invention can normalize the release of the N-1 risk and improve the release efficiency of the N-1 risk, thereby improving the safety and the reliability of the operation of the power grid.
The determination process of step S5 is: inquiring whether equipment which belongs to the same transformer substation as the analysis object equipment and has the same equipment type and voltage grade exists in an automatic system equipment attribute table, and if the equipment does not exist, judging that the analysis object equipment belongs to single power supply for power supply; if the equipment exists, further topologically analyzing whether the equipment can be connected to any operation switch in the local station, if not, judging that the equipment to be analyzed belongs to single power supply equipment, otherwise, judging that the equipment is not supplied with power by single power supply.
The risk information generated in step S6, each risk information structure of which is: the device name + the reduced supply load + the number of the no-voltage transformer stations + the important users + the event level + the judgment basis; the device determined to be powered by the single power supply in step S4 is referred to as "single power supply" after the "device name".
The information integration of step S7 includes the following steps:
s701: inquiring the substation to which the substation belongs in the automatic system equipment attribute information table according to the equipment name in the information obtained in the step S6, inquiring the patrol and maintenance center to which the substation belongs from the corresponding table of the patrol and maintenance center of the DMIS system substation, integrating risk information belonging to the same patrol and maintenance center into information to be sent, sequencing the information contents according to the event level and the reduction supply load, and storing the information into a basic information table as a basic part for issuing information to a person belonging to the patrol and maintenance center and having an organization structure in the address book maintenance table;
s702: inquiring the substation to which the substation belongs in the automatic system equipment attribute information table according to the equipment name in the information obtained in the step S6, inquiring the substation to which the substation belongs from the DMIS system substation patrol and maintenance center corresponding table and patrol and maintenance center and substation organization structure, integrating risk information belonging to the same substation into information to be sent, sequencing the content according to the event grade and the reduction load, and storing the information into a basic information table as a basic part for releasing information to personnel belonging to the substation management layer of which the organization structure is the 'substation' in the address book maintenance table;
s703: according to the equipment name in the information obtained in the step S6, the equipment type of the automatic system equipment is inquired in an automatic system equipment attribute information table, the information of the line equipment is integrated into information to be sent, the content is sorted according to the event level and the reduction supply load, and the information is used as a basic part for issuing information to personnel of which the attribution organization structure in an address book maintenance table is a power transmission station and is stored in a basic information table;
s704: and (4) integrating all the information obtained in the step (S6) into a piece of information to be sent, classifying the content according to power transformation and power transmission, sequencing all the categories according to event level and power reduction load, and storing the information into a basic information table as a basic part for releasing information to personnel with a leading layer and a scheduling center in an affiliation organization structure in an address book maintenance table.
The specific process of generating the risk information publishing queue in step S8 is as follows: the acquired risk information content of the power grid N-1 by any person in the address book maintenance table consists of a basic part and management requirements, wherein the content of the basic part selects the corresponding basic part from the basic information table generated in the step S7 according to the attribution organization structure of the basic part, and the content of the management requirements selects the corresponding management requirements according to the role of the basic part; for any person, if the corresponding content cannot be inquired in the basic information table, the information does not need to be issued to the person; after the information content received by each person is generated one by one, the telephone number of each person and the short message content form a release queue.
Example 2:
the embodiment provides a system based on a power grid N-1 risk information generation and release method, and the system comprises: the device comprises a basic data module, an input module, a central processing module and an output module;
the basic data module provides basic data for a system for generating and releasing the risk information of the power grid N-1;
the input module inputs an outcome grade report of the N-1 equipment for a system for generating and releasing the risk information of the power grid N-1;
the central processing module generates risk information of the power grid N-1;
the output module is an information center platform and is used for realizing the release of the risk information of the power grid N-1;
the basic data module comprises a DMIS system and an automation system; the DMIS system provides power substation, maintenance inspection center and substation organization architecture data for a system for generating and releasing the risk information of the power grid N-1; the automatic system provides an E file, equipment association relation data and equipment attribute information for a system for generating and releasing the risk information of the power grid N-1;
the system provides E files including telemetry and telemetry information; the device attribute information includes: the transformer substation, the equipment type and the voltage class are attributed.
In specific implementation, the basic data module provides basic data for a system for generating and issuing the N-1 risk information of the power grid, the input module inputs the result grade report of the input N-1 equipment into the system for generating and issuing the N-1 risk information of the power grid, the central processing module processes the information to generate the N-1 risk information of the power grid, and then the N-1 risk information of the power grid is provided for the output module to be output and issued.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A method for generating and publishing risk information of a power grid N-1 is characterized by comprising the following steps:
s1: establishing an address book maintenance table; the established address book maintenance table comprises the following information: name, phone, home organization architecture, role, and administrative requirements;
the attribution organization frameworks and the roles contained in the attribution organization frameworks are respectively as follows: the role contained in the leader layer is a station leader, the roles contained in the management layers of all substations are a substation leader, a substation accountability and a supervisor, the roles contained in all patrol centers are substation operators, the roles contained in the power transmission are a power transmission leader and a power transmission operator, and the roles contained in the dispatching centers are a dispatching center leader, a dispatching center accountability and a supervisor and a dispatching center dispatcher;
s2: setting the requirement of the N-1 risk information release level;
s3: screening out N-1 equipment meeting the conditions from the result analysis report of the power grid equipment N-1 according to the risk information release grade requirement set in the S2;
s4: selecting equipment needing to distribute information from the screening result of the step S3;
s5: analyzing the devices obtained in the step S4 one by one, and judging whether the devices meet the single-power-supply condition;
s6: the risk information of the devices obtained in step S4 is generated one by one, and "single power supply" is marked in the risk information for the device determined to be powered by single power supply in step S5;
s7: information integration, integrating the information obtained in the step S6 and storing the integrated information into a basic information table; the information integration of step S7 includes the following steps:
s701: inquiring the substation to which the substation belongs in the automatic system equipment attribute information table according to the equipment name in the information obtained in the step S6, inquiring the patrol and maintenance center to which the substation belongs from the corresponding table of the patrol and maintenance center of the DMIS system substation, integrating risk information belonging to the same patrol and maintenance center into information to be sent, sequencing the information contents according to the event level and the reduction supply load, and storing the information into a basic information table as a basic part for issuing information to a person belonging to the patrol and maintenance center and having an organization structure in the address book maintenance table;
s702: inquiring the substation to which the substation belongs in the automatic system equipment attribute information table according to the equipment name in the information obtained in the step S6, inquiring the substation to which the substation belongs from the DMIS system substation patrol and maintenance center corresponding table and patrol and maintenance center and substation organization structure, integrating risk information belonging to the same substation into information to be sent, sequencing the content according to the event grade and the reduction load, and storing the information into a basic information table as a basic part for releasing information to personnel belonging to the substation management layer of which the organization structure is the 'substation' in the address book maintenance table;
s703: according to the equipment name in the information obtained in the step S6, the equipment type of the automatic system equipment is inquired in an automatic system equipment attribute information table, the information of the line equipment is integrated into information to be sent, the content is sorted according to the event level and the reduction supply load, and the information is used as a basic part for issuing information to personnel of which the attribution organization structure in an address book maintenance table is a power transmission station and is stored in a basic information table;
s704: integrating all the information obtained in the step S6 into a piece of information to be sent, classifying the content according to power transformation and power transmission, sequencing each category according to event grade and power reduction load, and storing the information into a basic information table as a basic part for issuing information to personnel with a leading layer and a scheduling center as attribution organization structures in an address book maintenance table;
s8: generating a risk information publishing queue;
s9: and outputting the risk information issuing alignment obtained in the step S8 to an information center short message platform for issuing.
2. The method for generating and distributing risk information of grid N-1 according to claim 1, wherein the determination process of step S5 is: inquiring whether equipment which belongs to the same transformer substation as the analysis object equipment and has the same equipment type and voltage grade exists in an automatic system equipment attribute table, and if the equipment does not exist, judging that the analysis object equipment belongs to single power supply for power supply; if the equipment exists, further topologically analyzing whether the equipment can be connected to any operation switch in the local station, if not, judging that the equipment to be analyzed belongs to single power supply equipment, otherwise, judging that the equipment is not supplied with power by single power supply.
3. The method for generating and distributing risk information of grid N-1 according to claim 1, wherein each risk information structure of the risk information generated in step S6 is: the device name + the reduced supply load + the number of the no-voltage transformer stations + the important users + the event level + the judgment basis; the device determined to be powered by the single power supply in step S4 is referred to as "single power supply" after the "device name".
4. The method for generating and publishing the risk information of the power grid N-1 according to claim 1, wherein the step S8 is implemented by specifically generating a risk information publishing queue as follows: the acquired risk information content of the power grid N-1 by any person in the address book maintenance table consists of a basic part and management requirements, wherein the content of the basic part selects the corresponding basic part from the basic information table generated in the step S7 according to the attribution organization structure of the basic part, and the content of the management requirements selects the corresponding management requirements according to the role of the basic part; for any person, if the corresponding content cannot be inquired in the basic information table, the information does not need to be issued to the person; after the information content received by each person is generated one by one, the telephone number of each person and the short message content form a release queue.
5. A system based on the power grid N-1 risk information generation and release method of any one of claims 1 to 4 is characterized by comprising the following steps: the device comprises a basic data module, an input module, a central processing module and an output module;
the basic data module provides basic data for a system for generating and releasing the risk information of the power grid N-1;
the input module inputs an outcome grade report of the N-1 equipment for a system for generating and releasing the risk information of the power grid N-1;
the central processing module generates risk information of the power grid N-1;
the output module is an information center platform and realizes the release of the risk information of the power grid N-1.
6. The system for generating and publishing grid N-1 based risk information according to claim 5, wherein the basic data module comprises a DMIS system and an automation system; the DMIS system provides power substation, maintenance inspection center and substation organization architecture data for a system for generating and releasing the risk information of the power grid N-1; the automatic system provides an E file, equipment association relation data and equipment attribute information for a system for generating and releasing the risk information of the power grid N-1; the system provides E-files including telemetry and telemetry information.
7. The system for generating and publishing grid N-1 based risk information according to claim 6, wherein the device attribute information comprises: the transformer substation, the equipment type and the voltage class are attributed.
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