CN112085231A - Rapid response method for accident information of power dispatching control center - Google Patents
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Abstract
The invention discloses a quick response method for accident information of a power dispatching control center, which comprises the following steps: accessing each transformer substation to an intelligent power grid dispatching control system to obtain information of each transformer substation; optimizing and modifying original remote signaling signals in the point list information to reduce the total amount of monitoring information of an access system; configuring a time delay alarm function for the intelligent power grid dispatching control system so as to filter short-time action and reset signals under each fault condition; and the monitoring personnel accurately and quickly determine the fault information from the rectified and filtered fault information, and report a fault trip conclusion to the dispatcher in time after preliminary analysis and study and judgment. The quick response method for the accident information of the power dispatching control center greatly reduces the pressure of fault study and judgment under the accident condition of a duty monitor, and shortens the accident information processing time; meanwhile, the monitoring information is optimized, so that the pressure of monitoring personnel is reduced, the monitoring efficiency is improved, and the safe and stable operation level of the power grid is improved.
Description
Technical Field
The invention relates to the technical field of power grid analysis and processing, in particular to a quick response method for accident information of a power dispatching control center.
Background
The production real-time monitoring system and the collection standardization and standardization of centralized control information and the management requirement of power transmission and transformation reliability can shorten the processing time of equipment failure and power failure as much as possible. The monitoring information accident processing flow at the present stage is as follows: the method comprises the steps of carrying out fault tripping and monitoring information mapping, carrying out fault study and judgment by a monitor, obtaining a fault tripping conclusion, reporting a fault tripping initial draft structure to a dispatcher by the monitor, verifying fault tripping information to the site by the monitor, and reporting fault tripping down information to a current dispatcher by the monitor.
At present, signal description of equipment manufacturers of all transformer substations is not uniform, signal modification is not carried out according to information standards, misjudgment of monitoring personnel is easily caused, or the time for judging signals is prolonged, hidden dangers cannot be eliminated in time, and the time for searching information is long when faults are processed. And the recent item list' pop-up window can only display two or hundred signals, so that important signals are frequently flushed away, the situation of missing the signals is easy to occur, and the accident information processing time and the monitoring attendant fault information reporting time are inevitably prolonged.
Research shows that the accident confirmation and analysis time of the current monitoring personnel in the accident treatment is too long, so that the accident treatment time is prolonged; and the monitoring information is unclear, the information quantity is large and repeated, the real-time information is easy to cover, the monitoring of monitoring personnel is inconvenient, the qualitative analysis and judgment of faults are hindered, the time for reporting and processing the accidents is delayed, and the working efficiency is reduced.
Disclosure of Invention
The invention provides a method for quickly responding accident information of a power dispatching control center, which aims to solve the problems in the prior art and greatly reduces the quantity of monitoring information after an accident and has short accident information processing time.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a quick response method for accident information of a power dispatching control center, which comprises the following steps:
accessing each transformer substation to an intelligent power grid dispatching control system to obtain information of each transformer substation;
optimizing and modifying original remote signaling signals in the point meter information to reduce the total amount of monitoring information accessed into the intelligent power grid dispatching control system;
configuring a time delay alarm function for the intelligent power grid dispatching control system so as to filter short-time action and reset signals under each fault condition in a monitoring information deduction graph; and
the monitoring personnel accurately and quickly determine the fault information from the rectified and filtered fault information, and timely report a fault trip conclusion to a dispatcher after preliminary analysis and study and judgment.
Further, in the method for quickly responding to the accident information of the power dispatching control center, the modifying the original remote signaling signal in the point table information includes:
optimizing the information of the switched substation site table according to uploading requirements;
and (4) rectifying and modifying the information of the new transformer substation site according to the Hubei province site table information standard.
Further preferably, in the method for quickly responding to accident information of a power dispatching control center, the optimization or the modification is to delete data which is duplicated in an original remote signaling signal and/or is not needed by a master station.
Further, in the method for quickly responding to the accident information of the power dispatching control center, the method further includes:
after the original remote signaling signals in the point list information are optimized and modified, incomplete information, classification errors and inaccurate description information in the point list information are modified, so that the accuracy of the fault information research and judgment of a monitor is improved.
Further, in the method for quickly responding to the accident information of the power dispatching control center, the method further includes:
a perfect assessment system and an effective reward and punishment mechanism are established for the monitoring personnel according to an assessment standard system, and are implemented in place, so that the long time for accident treatment caused by the relaxation of the monitoring personnel is avoided; and
the method and the system perform theoretical examination and actual operation drilling on the monitoring personnel, and avoid the accident handling time prolonging and the misjudgment caused by the skill level difference of the monitoring personnel.
Further, in the method for quickly responding to the accident information of the power dispatching control center, the method further includes:
the monitoring host of the intelligent power grid dispatching control system is periodically overhauled and maintained, and the situation that monitoring personnel cannot monitor power grid equipment and cannot see trip information when the monitoring host breaks down is avoided.
Further, in the method for quickly responding to the accident information of the power dispatching control center, the fault information is one or more of 10kV bus grounding, 110kV switch tripping, 220kV switch tripping and main transformer tripping.
Further, in the method for quickly responding to the accident information of the power dispatching control center, the intelligent power grid dispatching control system is an SCADA system.
Further, in the method for quickly responding to the accident information of the power dispatching control center, the method further includes:
and after reporting the fault trip conclusion to a dispatcher monitor by the monitoring personnel, verifying the fault trip information to the site by the monitoring personnel.
Further, in the method for quickly responding to the accident information of the power dispatching control center, the method further includes:
after the monitoring personnel verify the fault trip information to the site, the monitoring personnel report the detailed fault trip information to the current value dispatcher.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the quick response method for the accident information of the power dispatching control center greatly reduces the pressure of fault study and judgment under the accident condition of the on-duty monitor, shortens the accident information processing time, and lays a foundation for the dispatcher to quickly recover the power supply of the user; meanwhile, the monitoring information optimization reduces the pressure of monitoring personnel, improves the monitoring efficiency and improves the safe and stable operation level of the power grid; the delay method provided by the accident information quick response method is simple to implement and remarkable in effect, and can be popularized to companies in various counties.
Drawings
Fig. 1 is a diagram of accident information processing and monitoring information scheduling in an existing power scheduling control center;
FIG. 2 is a time chart of accident information processing of the power dispatching control center to be implemented in the verification test of the present invention;
FIG. 3 is a fishbone diagram for analyzing various influencing factors in the method for quickly responding to the accident information of the power dispatching control center according to the invention;
FIG. 4 is a processing time questionnaire of a monitor for different accident types after the implementation of the rapid response method for accident information of a power dispatching control center of the present invention;
FIG. 5 is an accident trip information table before the method for quickly responding to accident information of a power dispatching control center is applied to a 110kV water meaningful station;
fig. 6 is an accident trip information table after the method for quickly responding to accident information of a power dispatching control center is applied to a 110kV water station.
Detailed Description
The present invention will be described in detail and specifically with reference to the following examples to facilitate better understanding of the present invention, but the following examples do not limit the scope of the present invention.
The invention aims to shorten the accident information processing time of a monitor and shorten the fault information reporting time of the monitor.
The investigation statistics is carried out on the accident information processing condition and the monitoring information questionnaire of the power dispatching control center in 2019 in 1-3 months, and the following tables 1 and 2 are shown:
TABLE 1 Accident information processing questionnaire
| Type of information | Confirmation time/min | Analysis time/min | Reporting time/min | Total time/min |
| 10kV bus grounding | 1.5 | 2 | 0.5 | 4 |
| 110kV switch trip | 1.5 | 2 | 0.7 | 4.2 |
| 220kV switch jumpBrake | 2 | 5 | 2 | 9 |
| Tripping of |
2 | 6 | 2 | 10 |
Table 2 survey table of monitoring information
And (4) conclusion: from the table 1, it can be obviously found that the time for confirming and analyzing the accident by the monitoring personnel in the accident handling is too long, and the accident handling time is prolonged; it can be seen from table 2 and fig. 1 that the monitoring information is not described clearly, the information amount is large and repeated, the real-time information is easy to cover, the monitoring of monitoring personnel is inconvenient, the qualitative analysis and judgment of the fault are hindered, the time for reporting and handling the accident is delayed, and the working efficiency is reduced.
The monitoring class QC team member considers that the large amount of information and the overlong time for confirming and analyzing the accident information are main reasons influencing the accident processing of the monitoring information through the current situation investigation. In combination with the actual situation, the team sets the accident handling time of the monitoring information to be respectively set as a shortening target according to different fault types, so as to greatly shorten the accident handling time and improve the working efficiency, as shown in fig. 2.
The monitoring class QC team member uses a brain storm method to perform a plurality of detailed analyses on a plurality of factors influencing the failure information reporting time of the monitoring staff, such as a fishbone diagram shown in fig. 3. Obtaining each terminal factor according to the causal analysis chart, making a factor confirmation schedule and confirming one by one, and establishing a factor analysis table as shown in the following table 3:
TABLE 3 analysis of factors
Based on the key cause analysis table shown in table 3, the monitoring class QC team members provide a quick response method for accident information of the power dispatching control center by applying a brainstorming method and screening aiming at the problems of large information amount of an original point table, quick screen refreshing of fault information, nonstandard classification of monitoring information and the like.
The quick response method for accident information of the power dispatching control center comprises the following steps: accessing each transformer substation to an intelligent power grid dispatching control system to obtain information of each transformer substation; optimizing and modifying original remote signaling signals in the point table information to reduce the total amount of monitoring information accessed into the intelligent power grid dispatching control system, wherein the original remote signaling information is reduced by 5% for repeated remote signaling signals which are not needed by the master station end; configuring a time delay alarm function for an intelligent power grid dispatching control system to filter short-time action and reset signals under each fault condition in a monitoring information deduction graph, so that a monitoring controller is prevented from missing trip information due to too fast screen refreshing, and the short-time action and reset signals in 5S directly enter a journal account; and the monitoring personnel accurately and quickly determine the fault information from the rectified and filtered fault information, and report a fault trip conclusion to the dispatcher in time after preliminary analysis and study and judgment.
As a preferred embodiment, the modifying the original remote signaling signal in the peer table information includes: optimizing the information of the switched substation site table according to uploading requirements; and (4) rectifying and modifying the information of the new transformer substation site according to the Hubei province site table information standard. The optimization or modification is to prune duplicate and/or data not required by the primary station from the original telecommand signal. Before power grid equipment is powered on, monitoring information tables of all transformer substations provided by an automation manufacturer are obtained, excessive data of original point tables easily cause more information during tripping, and the fault study and judgment time is prolonged. And selecting a typical transformer substation, finding that some remote signaling signals are repeated and the master station end is not needed, and therefore, optimizing and modifying the original remote signaling signals in the point table information is needed to reduce the total amount of monitoring information accessed into the intelligent power grid dispatching control system.
As a preferred embodiment, the method for quickly responding to accident information of a power dispatching control center further includes: after the original remote signaling signals in the point list information are optimized and modified, incomplete information, classification errors and inaccurate description information in the point list information are modified, so that the accuracy of the fault information research and judgment of a monitor is improved. The method specifically comprises the steps of rectifying and reforming the incomplete protection information of the existing point table information, irregular description and rearranging the classified error of the existing point table information. According to the requirements of 'regional dispatching centralized monitoring information access, acceptance and monitoring permission management rules', the automation specialty shall be responsible for monitoring information version, point number and coefficient audit, the protection specialty shall be responsible for reviewing integrity and normalization of the monitoring information table, the monitoring specialty shall be in accordance with the correctness of the reviewed point table information in transmission, and the qualification rate reaches 100%. In the existing specification reforming point table, the reforming part has classification errors, and terms are not specified, such as protection outlet protection actions. The irregular dot list information easily causes the misinterpretation of the interpretation of the signal by a monitor, and the classification error easily causes the overlooking and the erroneous judgment when the classification signal is seen.
As a preferred embodiment, the method for quickly responding to accident information in a power dispatching control center further includes: a perfect assessment system and an effective reward and punishment mechanism are established for the monitoring personnel according to an assessment standard system, and are implemented in place, so that the long time for accident treatment caused by the relaxation of the monitoring personnel is avoided; and theoretical examination and actual operation drilling are carried out on the monitoring personnel, so that the accident handling time is prolonged and misjudgment is avoided due to the skill level difference of the monitoring personnel.
As a preferred embodiment, the method for quickly responding to accident information in a power dispatching control center further includes: the monitoring host of the intelligent power grid dispatching control system is periodically overhauled and maintained, and the situation that monitoring personnel cannot monitor power grid equipment and cannot see trip information when the monitoring host breaks down is avoided.
As a preferred embodiment, the fault information is one or more of 10kV bus grounding, 110kV switch tripping, 220kV switch tripping and main transformer tripping. The intelligent power grid dispatching control system is an SCADA system.
As a preferred embodiment, the method for quickly responding to accident information in a power dispatching control center further includes: after reporting the fault tripping conclusion to a dispatcher monitor by a monitor, verifying fault tripping information to the site by the monitor; and then after the monitoring personnel verify the fault trip information to the site, the monitoring personnel reports the fault trip detailed information to the current value dispatcher.
And (3) verification test:
the accident information quick response method for the power dispatching control center provided by the invention is adopted to carry out optimization and improvement on the existing monitoring information accident processing flow, and the comparison analysis before and after implementation is as follows:
and a first verification result: post-accident monitoring information quantity is greatly reduced
And the QC team members select an accident trip information table of the 110kV water station and compare the information quantity before and after strategy implementation. The information quantity of the accident trip implementing the rapid response method of the accident information of the present invention is shown in fig. 5. The information quantity of the accident trip implementing the rapid response method of the accident information of the present invention is shown in fig. 6. By comparing the number of the monitoring information on the screen before and after the implementation with the numbers shown in fig. 5 and fig. 6, the number of the information after the accident is found to be greatly reduced.
And a second verification result:
after implementing the information specification management measures of the rapid response method for accident information, the accident handling time is counted again after a period of operation, as shown in the following table 4:
as shown by combining table 4 and fig. 4, by using the rapid response method for accident information, the problem of long accident information processing time of the monitor is successfully solved, an expected target value is reached, and a significant technical effect is achieved.
In conclusion, the method for quickly responding the accident information of the power dispatching control center can greatly reduce the pressure of failure study and judgment of the on-duty monitor under the accident condition, shorten the accident information processing time and lay a foundation for the dispatcher to quickly recover the power supply of the user. Meanwhile, the monitoring information is optimized, so that the pressure of monitoring personnel is reduced, the monitoring efficiency is improved, and the safe and stable operation level of the power grid is improved. And the delay method with the delay alarm function adopted by the rapid response method for the accident information of the power dispatching control center is simple to implement, has obvious effect, can be popularized to companies in various counties, and has good popularization and application values and practicability.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (10)
1. A quick response method for accident information of a power dispatching control center is characterized by comprising the following steps:
accessing each transformer substation to an intelligent power grid dispatching control system to obtain information of each transformer substation;
optimizing and modifying original remote signaling signals in the point meter information to reduce the total amount of monitoring information accessed into the intelligent power grid dispatching control system;
configuring a time delay alarm function for the intelligent power grid dispatching control system so as to filter short-time action and reset signals under each fault condition in a monitoring information deduction graph; and
the monitoring personnel accurately and quickly determine the fault information from the rectified and filtered fault information, and timely report a fault trip conclusion to a dispatcher after preliminary analysis and study and judgment.
2. The method for quickly responding to the accident information of the power dispatching control center according to claim 1, wherein the modifying the original telecommand signal in the point table information comprises:
optimizing the information of the switched substation site table according to uploading requirements;
and (4) rectifying and modifying the information of the new transformer substation site according to the Hubei province site table information standard.
3. The method of claim 2, wherein the optimizing or modifying is to prune the original telecommand signal for duplicate and/or data not needed by the primary station.
4. The power dispatching control center accident information quick response method of claim 1, further comprising:
after the original remote signaling signals in the point list information are optimized and modified, incomplete information, classification errors and inaccurate description information in the point list information are modified, so that the accuracy of the fault information research and judgment of a monitor is improved.
5. The power dispatching control center accident information quick response method of claim 1, further comprising:
a perfect assessment system and an effective reward and punishment mechanism are established for the monitoring personnel according to an assessment standard system, and are implemented in place, so that the long time for accident treatment caused by the relaxation of the monitoring personnel is avoided; and
the method and the system perform theoretical examination and actual operation drilling on the monitoring personnel, and avoid the accident handling time prolonging and the misjudgment caused by the skill level difference of the monitoring personnel.
6. The power dispatching control center accident information quick response method of claim 1, further comprising:
the monitoring host of the intelligent power grid dispatching control system is periodically overhauled and maintained, and the situation that monitoring personnel cannot monitor power grid equipment and cannot see trip information when the monitoring host breaks down is avoided.
7. The power dispatching control center accident information quick response method of claim 1, wherein the fault information is one or more of 10kV bus grounding, 110kV switch tripping, 220kV switch tripping and main transformer tripping.
8. The method for rapidly responding to the accident information of the power dispatching control center according to claim 1, wherein the smart grid dispatching control system is a SCADA system.
9. The power dispatching control center accident information quick response method of claim 1, further comprising:
and after reporting the fault trip conclusion to a dispatcher monitor by the monitoring personnel, verifying the fault trip information to the site by the monitoring personnel.
10. The power dispatching control center accident information rapid response method of claim 9, further comprising:
after the monitoring personnel verify the fault trip information to the site, the monitoring personnel report the detailed fault trip information to the current value dispatcher.
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