CN110502257B - Transformer substation monitoring information management, control and checking method - Google Patents
Transformer substation monitoring information management, control and checking method Download PDFInfo
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- CN110502257B CN110502257B CN201910579609.1A CN201910579609A CN110502257B CN 110502257 B CN110502257 B CN 110502257B CN 201910579609 A CN201910579609 A CN 201910579609A CN 110502257 B CN110502257 B CN 110502257B
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The invention relates to the technical field of power grid dispatching, in particular to a transformer substation monitoring information control and checking method, which comprises the following steps: a) Inputting equipment information; b) Establishing a software version applicable reference table and an association table; c) The working data is accompanied by equipment information, and if the software version number is not input, the working data is rejected and an alarm is given; d) If the software version numbers are not consistent, entering step F; e) If the parameter configuration table number and the point table number are consistent, the working data is accepted, otherwise, the working data is rejected, and an alarm is given; f) Informing the telecontrol equipment to upload the latest table, comparing the latest table with the current table and the historical table, and if the latest table is compared with the current table and the historical table, receiving the working data; g) Comparing the working data with the last working data, if the format characteristics are consistent, accepting the working data, otherwise, establishing simulation, if the format characteristics are consistent, accepting the working data, otherwise, rejecting the working data, and alarming. The invention has the beneficial effects that: the correctness of each piece of working data can be ensured.
Description
Technical Field
The invention relates to the technical field of power grid dispatching automation, in particular to a transformer substation monitoring information control and checking method.
Background
With the rapid development of power grids, the number of substations connected to the dispatching automation master station system is more and more, and substations with 110kV and 35kV voltage levels are gradually brought into the regulation and control range, so that the operation and maintenance workload of the substations is more and more. The method ensures the stable and reliable operation of the communication of the automatic equipment of the transformer substation, is an important task related to the power grid dispatching, the correct analysis and judgment of monitoring operators on the operating condition of the power grid, the normal operation of the functions of state estimation, tide dispatching, static safety analysis and the like, and is related to the safety of the whole power grid. However, in the actual operation process of the substation automation equipment, due to the reasons of telemechanical equipment software upgrading, equipment failure replacement and the like, the software and parameter version of the telemechanical equipment after upgrading or replacement is not completely consistent with the information point table of the master station. Therefore, it is necessary to develop a control and verification method for ensuring that the software version, parameter setting, and table point setting of the telecontrol equipment are consistent with the master station.
The chinese patent CN105262220B, published 2019, 1 month, 22 days, discloses a method for checking telecontrol information of a substation network shutdown machine, which comprises the following steps: importing an information check form of any substation network shutdown machine from a dispatching master station server to a check server; mirroring the telecontrol information of the substation network shutdown machine to a verification server; the telemechanical information of the mirror image is led into a data form, whether the data of the information check form is consistent with the data of the data form is checked, if not, inconsistent information is led out, the telemechanical information of the network shutdown machine of the transformer substation is modified according to the inconsistent information, and the telemechanical information of the network shutdown machine of the transformer substation is updated; if yes, the check server automatically inspects the substation network shutdown machine according to the set inspection period. The advantages are that: the automatic check and automatic inspection of the telecontrol information in the substation network shutdown machine can be realized, and the safe operation of each substation network shutdown machine is ensured. The method has the disadvantages that firstly, the information checking form is fixed, and the information checking form needs to be manufactured manually along with the updating of the equipment, so that when the equipment is updated and upgraded, the form needs to be updated manually at two positions, namely the equipment end and the dispatching master station server, the working efficiency is reduced, and the data safety of the dispatching master station is reduced by allowing a plurality of workers to interact with the dispatching master station; 2. the transformer substation is patrolled and examined with the cycle to its scheme, can not discover to patrol and examine the data error that appears between twice, and the security is not high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the technical problem that a high-efficiency substation telecontrol equipment data management and control and checking scheme suitable for equipment updating and upgrading is lacked at present. The transformer substation monitoring information control and check method is provided, wherein the transformer substation monitoring information control and check method is used for checking and then controlling when telemechanical equipment uploads working data.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a transformer substation monitoring information control and checking method comprises the following steps: a) Establishing a master station server, and inputting and storing equipment information of the substation telecontrol equipment, wherein the equipment information comprises an equipment unique identifier, an operating software version number, a parameter configuration table number and a point table number; b) Establishing and maintaining a software version applicable reference table in a master station server, establishing and maintaining an association table recording the matching relation of the unique identifier of equipment, the software version number, the parameter configuration table number and the point table number in the master station server, wherein each telecontrol equipment in the association table only corresponds to one record; c) The telemechanical equipment is attached with equipment information when uploading the working data, if the attached software version number is not recorded into a software version applicable reference table, the working data uploaded by the telemechanical equipment is rejected, an alarm is sent out, and otherwise, the step D is carried out; d) If the software version number uploaded by the telemechanical equipment is inconsistent with the record in the association table, entering step F, and if the software version number is consistent, entering step E; e) If the parameter configuration table number and the point table number attached to the working data are consistent with those recorded in the association table, the working data uploaded by the telemechanical equipment is accepted, otherwise, the working data uploaded by the telemechanical equipment is rejected, and an alarm is sent out; f) The master station server informs the telemechanical equipment to upload the latest parameter configuration table and the latest point table as the latest table, the parameter configuration table and the point table currently stored by the master station server are used as the current table, if the historical parameter configuration table and the point table of the telemechanical equipment are stored by the master station server, the historical parameter configuration table and the point table are used as the historical table, the latest table is compared with the current table and the historical table, if the comparison is passed, the working data uploaded by the telemechanical equipment is received, the association table is updated, otherwise, the step G is carried out; g) Comparing the working data uploaded by the telecontrol equipment with the working data uploaded by the telecontrol equipment last time, if the format characteristics of the working data are consistent, replacing the history table with the current table, replacing the current table with the latest table, updating the association table, and accepting the working data uploaded by the telecontrol equipment, otherwise, establishing the simulation equipment of the telecontrol equipment, if the simulation is passed, accepting the current parameter configuration table and the point table of the telecontrol equipment, updating the association table, and accepting the working data uploaded by the telecontrol equipment, otherwise, rejecting the working data uploaded by the telecontrol equipment, and sending an alarm. The software version applicable reference table stores all available software version numbers, the new software version number is recorded into the software version applicable reference table before being put into use, the software version number stored in the association table and currently operated by the telecontrol equipment is not recorded and modified manually when the software of the telecontrol equipment is upgraded, and the system automatically finds that the software version numbers are inconsistent and processes the software version numbers according to subsequent steps.
Preferably, in step F, the method for comparing the latest table with the current table and the historical table includes the following steps: f1 Comparing the latest table with the current table, if the similarity between the latest table and the current table is greater than a set threshold value, replacing the current table with the latest table, updating the association table, and receiving the working data uploaded by the telemechanical equipment, otherwise, entering a step F2; f2 Comparing the latest table with the history table, if the similarity between the latest table and the history table is greater than a set threshold value, replacing the history table and the current table by using the latest table, updating the association table, receiving the working data uploaded by the telecontrol equipment, and otherwise, entering the step G. When the working data is uploaded by the telecontrol equipment, the key fields are checked, the correctness of the current running state of the telecontrol equipment can be quickly checked, the correctness of each piece of working data can be ensured, the data for reference and comparison can be automatically updated according to rules, and the updating and upgrading efficiency of the equipment is improved. When the software is greatly changed during the operation of software upgrading, the similarity between the latest table and the current table is lower than a set threshold value, the corresponding parameter configuration table and the point table before the software upgrading are stored as the history table, when the software is upgraded again, the upgraded software is compared with the current table and the history table at the same time, if the software is continuously upgraded in a small scale after the last time, the similarity between the software and the current table is higher, if the software abandons the change made by the previous upper level, and if the software is upgraded in a small scale based on the version before the last time, the similarity between the software and the history table is higher, the ratio of automatically matching and accepting new parameter configuration tables and point tables can be improved, and the working efficiency is improved.
Preferably, the similarity is a ratio of the number of characters compared to the total number of characters on a character-by-character basis. Strictly performing character-by-character comparison can improve the efficiency of similarity comparison. The set similarity threshold should be large, and it is recommended to take the value of the similarity threshold within the interval [0.98,1 ].
Preferably, the method for determining whether the similarity between the latest table and the current table is greater than a set threshold value comprises: if the similarity between the parameter configuration table in the latest table and the parameter configuration table of the current table is not larger than the set threshold, the similarity between the latest table and the current table is judged to be not larger than the set threshold, otherwise, the similarity between the point table in the latest table and the point table of the current table is obtained, if the similarity is larger than the set threshold, the similarity between the latest table and the current table is judged to be larger than the set threshold, otherwise, the similarity between the latest table and the current table is judged to be not larger than the set threshold.
Preferably, the current parameter configuration table and the point table uploaded by the telemechanical equipment are loaded into the simulation equipment, preset input data are input, whether the working data output by the simulation equipment contain all fields required by working is checked, if yes, the current parameter configuration table and the point table of the telemechanical equipment are accepted, the association table is updated, the working data uploaded by the telemechanical equipment are accepted, and if not, the working data uploaded by the telemechanical equipment are rejected, and an alarm is given. The simulation device is updated manually according to the updating of the device, and because the software updating frequency of the device is far higher than that of the hardware updating, and the hardware of the telecontrol device can be modeled and simulated by software, the frequency of establishing the simulation device is low, and the influence on the efficiency of transformer substation monitoring information control is small.
Preferably, the method for determining that the format characteristics of the working data are consistent in step G includes the following steps: g1 Extracting a digital quantity, a fixed quantity, and a state quantity included in the working data; g2 If the decimal digit of the digital quantity is the same as the historical digital quantity, the fixed quantity is the same as the historical fixed quantity, and the state quantity appears at least once in the historical state quantity, the format characteristics of the working data and the historical working data are judged to be consistent, otherwise, the format characteristics of the working data and the historical working data are judged to be inconsistent.
The substantial effects of the invention are as follows: when the working data is uploaded by the telecontrol equipment, the key fields are checked, the correctness of the current running state of the telecontrol equipment can be quickly checked, the correctness of each piece of working data can be ensured, the data for reference and comparison can be automatically updated according to rules, and the updating and upgrading efficiency of the equipment is improved.
Drawings
Fig. 1 is a flow chart of a transformer substation monitoring information management, control and verification method according to an embodiment.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment includes the following steps: a) Establishing a master station server, and inputting and storing equipment information of the substation telecontrol equipment, wherein the equipment information comprises an equipment unique identifier, an operating software version number, a parameter configuration table number and a point table number; b) Establishing and maintaining a software version applicable reference table in a master station server, establishing and maintaining an association table recording the matching relation of the unique identifier of the equipment, the software version number, the parameter configuration table number and the point table number in the master station server, wherein each telecontrol equipment in the association table only corresponds to one record; c) The telemechanical equipment attaches equipment information when uploading the working data, if the software version number attached in the working data is not accordant with the record on the software version applicable reference table, the telemechanical equipment is rejected to upload the working data, and an alarm is sent, otherwise, the step D is entered; d) If the software version number uploaded by the telemechanical equipment is inconsistent with the record in the association table, entering step F, and if the software version number is consistent, entering step E; e) If the parameter configuration table number and the point table number attached to the working data are consistent with those recorded in the association table, the working data uploaded by the telemechanical equipment is accepted, otherwise, the working data uploaded by the telemechanical equipment is rejected, and an alarm is sent out; f) The master station server informs the telemechanical equipment to upload the latest parameter configuration table and the latest point table as the latest table, the parameter configuration table and the point table currently stored by the master station server are used as the current table, if the historical parameter configuration table and the point table of the telemechanical equipment are stored by the master station server, the historical parameter configuration table and the point table are used as the historical table, the latest table is compared with the current table and the historical table, if the comparison is passed, the working data uploaded by the telemechanical equipment is received, the association table is updated, otherwise, the step G is carried out; g) Comparing the working data uploaded by the telecontrol equipment with the working data uploaded by the telecontrol equipment last time, if the format characteristics of the working data are consistent, replacing the history table with the current table, replacing the current table with the latest table, updating the association table, and accepting the working data uploaded by the telecontrol equipment, otherwise, establishing the simulation equipment of the telecontrol equipment, if the simulation is passed, accepting the current parameter configuration table and the point table of the telecontrol equipment, updating the association table, and accepting the working data uploaded by the telecontrol equipment, otherwise, rejecting the working data uploaded by the telecontrol equipment, and sending an alarm.
In step F, the method for comparing the latest table with the current table and the historical table comprises the following steps: f1 Comparing the latest table with the current table, if the similarity between the latest table and the current table is greater than a set threshold value, replacing the current table with the latest table, updating the association table, and receiving the working data uploaded by the telemechanical equipment, otherwise, entering a step F2; f2 Comparing the latest table with the history table, if the similarity between the latest table and the history table is greater than a set threshold value, replacing the history table and the current table by using the latest table, updating the association table, and receiving the working data uploaded by the telemechanical equipment, otherwise, entering step G. When the working data is uploaded by the telecontrol equipment, the key fields are checked, the correctness of the current running state of the telecontrol equipment can be quickly checked, the correctness of each piece of working data can be ensured, the data for reference and comparison can be automatically updated according to rules, and the updating and upgrading efficiency of the equipment is improved. When the software is largely changed during the operation of software upgrading, the similarity between the latest table and the current table is lower than a set threshold value, the corresponding parameter configuration table and the point table before the software upgrading are stored as the historical table, when the software is upgraded again, the upgraded software is simultaneously compared with the current table and the historical table, if the software is continuously upgraded in a small scale after the last time, the similarity between the software and the current table is higher, if the software abandons the change made by the last upper level, and if the software is upgraded in a small scale based on the version before the last time is changed, the similarity between the software and the historical table is higher, so that the ratio of automatically matching and accepting new parameter configuration tables and point tables can be improved, and the working efficiency is improved.
Similarity is the ratio of the number of characters compared to the total number of characters on a character-by-character basis. Strictly performing character-by-character comparison can improve the efficiency of similarity comparison. The set similarity threshold should be large, and it is recommended to take the value of the similarity threshold within the interval [0.98,1 ].
The method for judging whether the similarity between the latest table and the current table is greater than the set threshold value comprises the following steps: if the similarity between the parameter configuration table in the latest table and the parameter configuration table of the current table is not larger than the set threshold, the similarity between the latest table and the current table is judged to be not larger than the set threshold, otherwise, the similarity between the point table in the latest table and the point table of the current table is obtained, if the similarity is larger than the set threshold, the similarity between the latest table and the current table is judged to be larger than the set threshold, otherwise, the similarity between the latest table and the current table is judged to be not larger than the set threshold.
Loading the current parameter configuration table and the point table uploaded by the telemechanical equipment into the simulation equipment, inputting preset input data, checking whether the working data output by the simulation equipment contains all fields required by working, accepting the current parameter configuration table and the point table of the telemechanical equipment if the working data output by the simulation equipment contains all fields required by working, updating the association table, accepting the working data uploaded by the telemechanical equipment, rejecting the working data uploaded by the telemechanical equipment if the working data uploaded by the telemechanical equipment does not contain all fields required by working, and sending an alarm. The simulation device is updated manually according to the updating of the device, and because the software updating frequency of the device is far higher than that of the hardware updating, and the hardware of the telecontrol device can be modeled and simulated by software, the frequency of establishing the simulation device is low, and the influence on the efficiency of transformer substation monitoring information control is small.
The method for judging the consistency of the format characteristics of the working data in the step G comprises the following steps: g1 Extracting digital quantity, fixed quantity and state quantity contained in the working data; g2 If the decimal digit of the digital quantity is the same as the historical digital quantity, the fixed quantity is the same as the historical fixed quantity, and the state quantity appears in the historical state quantity at least once, the format characteristics of the working data and the historical working data are judged to be consistent, otherwise, the format characteristics of the working data and the historical working data are judged to be inconsistent.
The above-described embodiment is a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A transformer substation monitoring information control and checking method is characterized in that,
the method comprises the following steps:
a) Establishing a master station server, and inputting and storing equipment information of the substation telecontrol equipment, wherein the equipment information comprises an equipment unique identifier, an operating software version number, a parameter configuration table number and a point table number;
b) Establishing and maintaining a software version applicable reference table in a master station server, and establishing and maintaining an association table recording the matching relation of the unique identifier of the equipment, the software version number, the parameter configuration table number and the point table number in the master station server;
c) The telemechanical equipment is attached with equipment information when uploading the working data, if the attached software version number is not recorded into a software version applicable reference table, the working data uploaded by the telemechanical equipment is rejected, an alarm is sent out, and otherwise, the step D is carried out;
d) If the software version number uploaded by the telemechanical equipment is inconsistent with the record in the association table, entering step F, otherwise, entering step E;
e) If the attached parameter configuration table number and the point table number are consistent with those recorded in the association table, the working data uploaded by the telecontrol equipment is accepted, otherwise, the working data uploaded by the telecontrol equipment is rejected, and an alarm is sent out;
f) The master station server informs the telemechanical equipment to upload the latest parameter configuration table and the latest point table as the latest table, the parameter configuration table and the point table currently stored by the master station server are used as the current table, if the historical parameter configuration table and the point table of the telemechanical equipment are stored by the master station server, the historical parameter configuration table and the point table are used as the historical table, the latest table is compared with the current table and the historical table, if the comparison is passed, the working data uploaded by the telemechanical equipment is received, the association table is updated, otherwise, the step G is carried out;
g) Comparing the working data uploaded by the telecontrol equipment with the working data uploaded by the telecontrol equipment last time, if the format characteristics of the working data are consistent, replacing the history table with the current table, replacing the current table with the latest table, updating the association table, and accepting the working data uploaded by the telecontrol equipment, otherwise, establishing the simulation equipment of the telecontrol equipment, if the simulation is passed, accepting the current parameter configuration table and the point table of the telecontrol equipment, updating the association table, accepting the working data uploaded by the telecontrol equipment, and if the simulation is not passed, rejecting the working data uploaded by the telecontrol equipment, and giving an alarm.
2. The transformer substation monitoring information control and check method according to claim 1,
in step F, the method for comparing the latest table with the current table and the historical table comprises the following steps:
f1 Comparing the latest table with the current table, if the similarity between the latest table and the current table is greater than a set threshold value, replacing the current table with the latest table, updating the association table, and receiving the working data uploaded by the telemechanical equipment, otherwise, entering a step F2;
f2 Comparing the latest table with the history table, if the similarity between the latest table and the history table is greater than a set threshold value, replacing the history table and the current table by using the latest table, updating the association table, receiving the working data uploaded by the telecontrol equipment, and otherwise, entering the step G.
3. The transformer substation monitoring information management, control and verification method according to claim 2,
the similarity is the ratio of the number of characters compared with the total number of characters character by character.
4. The substation monitoring information management, control and verification method according to claim 2 or 3,
the method for judging whether the similarity between the latest table and the current table is greater than the set threshold value comprises the following steps:
if the similarity between the parameter configuration table in the latest table and the parameter configuration table of the current table is not larger than the set threshold, the similarity between the latest table and the current table is judged to be not larger than the set threshold, otherwise, the similarity between the point table in the latest table and the point table of the current table is obtained, if the similarity is larger than the set threshold, the similarity between the latest table and the current table is judged to be larger than the set threshold, otherwise, the similarity between the latest table and the current table is judged to be not larger than the set threshold.
5. The substation monitoring information management, control and verification method according to claim 1, 2 or 3,
loading the current parameter configuration table and the point table uploaded by the telemechanical equipment into the simulation equipment, inputting preset input data, checking whether the working data output by the simulation equipment contains all fields required by work, accepting the current parameter configuration table and the point table of the telemechanical equipment if the working data output by the simulation equipment contains all fields required by the work, updating the association table, accepting the working data uploaded by the telemechanical equipment, rejecting the working data uploaded by the telemechanical equipment if the working data does not contain all fields required by the work, and sending an alarm.
6. The transformer substation monitoring information control and check method according to claim 4,
loading the current parameter configuration table and the point table uploaded by the telemechanical equipment into the simulation equipment, inputting preset input data, checking whether the working data output by the simulation equipment contains all fields required by working, accepting the current parameter configuration table and the point table of the telemechanical equipment if the working data output by the simulation equipment contains all fields required by working, updating the association table, accepting the working data uploaded by the telemechanical equipment, rejecting the working data uploaded by the telemechanical equipment if the working data uploaded by the telemechanical equipment does not contain all fields required by working, and sending an alarm.
7. The substation monitoring information management, control and verification method according to claim 1, 2 or 3,
the method for judging the consistency of the format characteristics of the working data in the step G comprises the following steps:
g1 Extracting a digital quantity, a fixed quantity, and a state quantity included in the working data;
g2 If the decimal digit of the digital quantity is the same as the historical digital quantity, the fixed quantity is the same as the historical fixed quantity, and the state quantity appears in the historical state quantity at least once, the format characteristics of the working data and the historical working data are judged to be consistent, otherwise, the format characteristics of the working data and the historical working data are judged to be inconsistent.
8. The substation monitoring information management, control and verification method according to claim 4,
the method for judging the consistency of the format characteristics of the working data in the step G comprises the following steps:
g1 Extracting a digital quantity, a fixed quantity, and a state quantity included in the working data;
g2 If the decimal digit of the digital quantity is the same as the historical digital quantity, the fixed quantity is the same as the historical fixed quantity, and the state quantity appears at least once in the historical state quantity, the format characteristics of the working data and the historical working data are judged to be consistent, otherwise, the format characteristics of the working data and the historical working data are judged to be inconsistent.
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