CN106651198B - Power grid accident auxiliary processing method and system - Google Patents
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Abstract
The invention discloses a power grid accident auxiliary processing method and a system thereof, which relate to the technical field of power system accident processing, and are based on a D5000 intelligent power grid dispatching control platform, after an accident occurs, accident information and related parameter information are collected, the accident is subjected to flow guidance and analysis processing through a standardized processing flow preset by a flow management module, and a case report file is generated and stored in the whole processing process.
Description
Technical Field
The invention relates to the technical field of electric power system accident handling, in particular to a power grid accident auxiliary handling method and a power grid accident auxiliary handling system.
Background
The control center is a central mechanism for processing the power grid accidents, when the power grid accidents happen, a dispatcher can immediately and quickly judge the accidents according to the current operation mode, abnormal signals, phenomena and the like of the power grid and process the accidents according to a standardized flow, so that the power supply recovery of users in the shortest time is strived to reduce the influence caused by the accidents; at present, a power supply company generally constructs and applies a D5000 intelligent power grid dispatching control platform, which is a new generation intelligent power grid dispatching technology support system basic platform, adapts to the requirements of a five-level dispatching control system in a 'large operation' system of a national power grid company, and realizes the functions of 'remote retrieval, alarm direct transmission, transverse through and longitudinal management'; various data such as a scheduling plan, an incoming water condition, meteorological changes and the like are fused together, and comprehensive analysis can be performed.
In practical application, due to different practical situations, different power grid dispatching control and management regulations are provided for different regions, and different regulations are provided for corresponding fault handling procedures. Therefore, the D5000 system cannot provide a power dispatcher with clear accident handling guidance and flow guidance at present, and particularly when complex faults such as bus faults, voltage loss faults, transformer accidents or 110kv line faults occur, the power dispatcher cannot quickly find out accident points from a large amount of system information, and no specific case references are provided to perform standardized flow handling, so that the accident handling time is delayed, power supply recovery is affected, and unnecessary economic loss is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a power grid accident auxiliary processing method and a power grid accident auxiliary processing system aiming at the defects of the prior art, and the method and the system are based on a D5000 intelligent power grid dispatching control platform, provide a convenient and visual accident processing guide for a power dispatcher, reduce the working strength of the power dispatcher, standardize a complex power grid accident processing flow, greatly improve the power grid accident processing capacity of a regulation and control center, and ensure the accuracy and rapidity of power grid accident processing.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a power grid accident auxiliary processing method is based on a D5000 intelligent power grid dispatching control platform and is characterized by comprising the following steps:
(1) after an accident occurs to the power grid, accident information and related parameter information are collected through a D5000 intelligent power grid dispatching control platform;
(2) selecting a preset standard processing flow corresponding to the accident and recording accident information and related parameter information;
(3) judging accident grade according to the accident information and the related parameter information, and sending accident short messages to preset numbers corresponding to the accident grade;
(4) judging the position of the accident point and a processing method according to the accident information and the parameter information, and informing corresponding personnel to carry out accident response;
(5) receiving response result information of corresponding personnel, judging the accident handling completion degree, if the handling is not completed, returning to the step (4) to judge again according to the response result information, and if the handling is completed, sending an accident handling result short message to a preset number corresponding to the accident grade; and recording the whole processing process to generate and store a historical accident file.
Based on the method, the invention provides a power grid accident auxiliary processing system, which comprises an information collection module, a flow management module, a short message sending module, a historical accident management module, a database and a terminal workstation, wherein:
the information collection module is used for collecting accident information, parameter information and accident response information provided by the D5000 intelligent power grid dispatching control system;
the flow management module is an accident standard processing flow of a preset visual block diagram structure, the flow accords with a power grid dispatching control management rule, each flow block diagram corresponds to one processing link, the mode definition of sequential promotion of a plurality of links is adopted, and the next link can be continuously carried out only after the current link is finished;
the historical accident management module is used for performing information management operation on the processed accidents to form a historical accident file and storing the historical accident file in the database;
the terminal workstation provides a display interface and an information input interface for a user;
the short message sending module is used for sending the accident occurrence, the accident processing process and the accident result to a preset number in a short message mode;
the information collection module, the process management module, the short message sending module, the historical accident management module and the database all operate in the terminal workstation.
Preferably, the process management module at least comprises a bus fault and voltage loss fault handling process, a transformer accident handling process and a 110kv line fault trip handling process.
Preferably, the process management module includes an editing unit, configured to add, delete or modify a preset accident standard processing process.
Preferably, the block diagram of the flow management module has different colors in different processing states.
Preferably, the process status color is defined such that red represents incomplete and green represents complete.
Preferably, the historical accident management module comprises an export unit, which is used for exporting the historical accident recording file as a case report.
Preferably, the historical accident management module comprises a retrieval unit, and the input keywords can be used for querying the corresponding historical accident recording file.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
based on the existing D5000 intelligent power grid dispatching control platform, accident information and related parameter information are collected after an accident occurs, the accident is analyzed and processed and process guidance is carried out through a standardized processing process preset by a process management module, the whole processing process can be stored in a case file, the working strength of a power dispatcher is reduced, the complicated power grid accident processing process is standardized, the power grid accident processing capacity of a regulation and control center is greatly improved, and the accuracy and the rapidness of power grid accident processing are ensured.
And the standardized processing flow preset by the flow management module can be added, deleted or modified at any time so as to adapt to different conditions and regulations of accident processing in various regions, and the method is convenient to use and favorable for popularization.
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FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a block diagram of a system module of the present invention;
fig. 3 is an embodiment of a 110kV line fault trip fault standardization process flow.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, which is a schematic flow chart of the method of the present invention, the D5000-based smart grid scheduling control platform includes the following steps:
(1) after an accident occurs to the power grid, accident information and related parameter information are collected through a D5000 intelligent power grid dispatching control platform;
(2) selecting a preset standard processing flow corresponding to the accident and recording accident information and related parameter information;
(3) judging accident grade according to the accident information and the related parameter information, and sending accident short messages to preset numbers corresponding to the accident grade;
(4) judging the position of the accident point and a processing method according to the accident information and the parameter information, and informing corresponding personnel to carry out accident response;
(5) receiving response result information of corresponding personnel, judging the accident handling completion degree, if the handling is not completed, returning to the step (4) to judge again according to the response result information, and if the handling is completed, sending an accident handling result short message to a preset number corresponding to the accident grade; and recording the whole processing process to generate and store a historical accident file.
As shown in fig. 2, the system module structure of the present invention includes an information collecting module, a process management module, a short message sending module, a historical accident management module, a database and a terminal workstation, wherein:
the information collection module is used for collecting accident information, parameter information and accident response information provided by the D5000 intelligent power grid dispatching control platform;
the flow management module is an accident standard processing flow of a preset visual block diagram structure, the flow accords with a power grid dispatching control management rule, each flow block diagram corresponds to one processing link, the mode definition of sequential promotion of a plurality of links is adopted, and the next link can be continuously carried out only after the current link is finished;
the historical accident management module is used for performing information management operation on the processed accidents to form a historical accident file and storing the historical accident file in the database;
the terminal workstation provides a display interface and an information input interface for a user;
the short message sending module is used for sending the accident occurrence, the accident processing process and the accident result to a preset number in a short message mode;
the information collection module, the process management module, the short message sending module, the historical accident management module and the database are all operated on the terminal workstation;
the system adopts LabVIEW visual programming language, has concise interface, clear logic, easy operation and strong operability, can conveniently preset standard accident handling procedures, and can add, delete or modify the standard procedures through the editing unit.
After the 35kV #2 bus accident trip accident occurs, a scheduling person selects a bus fault processing flow on a terminal workstation, a flow block diagram interface shown in fig. 3 appears, each block diagram is a processing link, an accident information acquisition and analysis block diagram is clicked, and a system information collection module collects accident information and parameter information related to the fault equipment from a D5000 intelligent power grid scheduling control platform, wherein the accident information and parameter information comprise a bus protection action state and switching accident opening and closing working states; after the accident information acquisition and analysis is completed, the color of the block diagram is changed into green, the next step can be carried out, the major event judgment is clicked, the system judges the data according to the preset accident grade judgment rule, if the data is a major accident, the province and the province are reported, if the data is a general accident, the relevant units are notified, and the reporting and notification mode is that the accident information is sent through a short message module; and changing color of the corresponding block diagram after the report is finished, continuing to perform the next primary treatment, sequentially processing the steps according to the guidance of the flow block diagram until the fault processing is finished, filing the report in the last step, sending the processing result to a preset number, and storing the record of the whole processing process as a historical accident file.
The historical accident management module comprises a derivation unit which can derive the processed accident history record into a case report and is applied to training new staff, and a search unit which can quickly find the corresponding historical accident file from the database by inputting keywords.
The standard process in the process management module comprises a process with complex processing steps such as bus faults, voltage loss faults, transformer accidents, 110kV line fault tripping and the like, the standard processing process is obtained by optimizing and summarizing according to power grid dispatching control management regulations and expert experience, the standard processing process can be conveniently modified, edited, newly added, deleted and the like, and the method is suitable for different processing regulations in different regions.
After the technical scheme is adopted, the accident handling process is standardized, the influence of human factors on the power grid accident handling is reduced, even a young dispatcher with insufficient accident handling experience can be orderly and properly handled when handling the power grid accident; therefore, the daily work intensity of a dispatcher is reduced, the safe operation management level of dispatching is improved, the accuracy and the rapidity of electric network accident handling are improved, and the method has great practical significance for safe and reliable operation of an electric network and improvement of the accuracy and the rapidity of accident handling.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A power grid accident auxiliary processing method is based on a D5000 intelligent power grid dispatching control platform and is characterized by comprising the following steps:
(1) after an accident occurs to the power grid, accident information and related parameter information are collected through a D5000 intelligent power grid dispatching control platform;
(2) selecting a preset standard processing flow corresponding to the accident and recording accident information and related parameter information;
(3) judging accident grade according to the accident information and the related parameter information, and sending accident short messages to preset numbers corresponding to the accident grade;
(4) judging the position of the accident point and a processing method according to the accident information and the parameter information, and informing corresponding personnel to carry out accident response;
(5) receiving response result information of corresponding personnel, judging the accident handling completion degree, if the handling is not completed, returning to the step 4 to judge again according to the response result information, if the handling is completed, sending an accident handling result short message to a preset number corresponding to the accident grade, and recording the whole handling process to generate and store a historical accident file;
when the accident of the power grid is 35kV #2 bus accident tripping,
accident information and related parameter information are collected through a D5000 intelligent power grid dispatching control platform; the accident information and the related parameter information comprise a bus protection action state and an opening working state of each switch accident;
carrying out preliminary treatment on the 35kV #2 bus accident, informing operation and maintenance site inspection, and judging whether the accident information and related parameter information meet the requirement of major event reporting or not based on a preset accident grade; when the important event report is judged to be satisfied, reporting provincial regulations, and when the important event report is judged not to be satisfied, reporting an accident condition to a leader and informing a county regulation user;
after the operation and maintenance site inspection is informed, reporting a site inspection result;
after reporting the on-site inspection result and preliminarily processing the 35kV #2 bus accident, processing the 35kV #2 bus accident;
wherein, the said accident to this 35kV #2 generating line is handled, includes:
judging whether one bus in the double buses has a fault; if yes, cooling the fault-free element to the operation bus, and if not, judging whether the fault-free element is a protection action malfunction;
if the judgment is that the protection action is misoperation, carrying out one-time trial delivery;
if the judgment result is that the protection action is not false, judging whether a fault point can be found; if the fault point can be found, judging whether the fault point can be isolated; if the fault cannot be found, judging whether the insulation inspection of the bus is qualified;
if the fault point can be isolated, isolating the fault and carrying out one-time trial delivery;
if the fault point is judged not to be isolated, the bus is switched to maintenance;
if the insulation inspection of the bus is judged to be unqualified, transferring the bus to a maintenance position for insulation treatment;
if the insulation inspection of the bus is judged to be qualified, carrying out one-time trial delivery;
when the trial delivery is successful, reporting the accident handling condition to a leader; and if the trial delivery fails, prohibiting the trial delivery again and continuously processing the fault.
2. The utility model provides a grid accident auxiliary processing system, is based on D5000 smart power grids dispatch control platform which characterized in that: the system comprises an information collection module, a flow management module, a short message sending module, a historical accident management module, a database and a terminal workstation, wherein:
the information collection module is used for collecting accident information, parameter information and accident response information provided by the D5000 intelligent power grid dispatching control system;
the flow management module is an accident standard processing flow of a preset visual block diagram structure, the flow accords with a power grid dispatching control management rule, each flow block diagram corresponds to one processing link, the mode definition of sequential promotion of a plurality of links is adopted, and the next link can be continuously carried out only after the current link is finished;
the historical accident management module is used for performing information management operation on the processed accidents to form a historical accident file and storing the historical accident file in the database;
the terminal workstation provides a display interface and an information input interface for a user;
the short message sending module is used for sending the accident occurrence, the accident processing process and the accident result to a preset number in a short message mode;
the information collection module, the process management module, the short message sending module, the historical accident management module and the database are all operated on the terminal workstation;
wherein, when the accident of the power grid is 35kV #2 bus accident tripping,
the information gathering module is to:
accident information and related parameter information are collected through a D5000 intelligent power grid dispatching control platform; the accident information and the related parameter information comprise a bus protection action state and an opening working state of each switch accident;
the process management module is used for:
carrying out preliminary treatment on the 35kV #2 bus accident, informing operation and maintenance site inspection, and judging whether the accident information and related parameter information meet the requirement of major event reporting or not based on a preset accident grade; when the major event is judged to be met, the province tone is reported through the short message sending module, and when the major event is judged not to be met, the accident condition is reported to the leader through the short message sending module and the county tone user is informed;
after the operation and maintenance site inspection is informed, reporting a site inspection result;
after reporting the on-site inspection result and preliminarily processing the 35kV #2 bus accident, processing the 35kV #2 bus accident;
wherein, the said accident to this 35kV #2 generating line is handled, includes:
judging whether one bus in the double buses has a fault; if yes, cooling the fault-free element to the operation bus, and if not, judging whether the fault-free element is a protection action malfunction;
if the judgment is that the protection action is misoperation, carrying out one-time trial delivery;
if the judgment result is that the protection action is not false, judging whether a fault point can be found; if the fault point can be found, judging whether the fault point can be isolated; if the fault cannot be found, judging whether the insulation inspection of the bus is qualified;
if the fault point can be isolated, isolating the fault and carrying out one-time trial delivery;
if the fault point is judged not to be isolated, the bus is switched to maintenance;
if the insulation inspection of the bus is judged to be unqualified, transferring the bus to a maintenance position for insulation treatment;
if the insulation inspection of the bus is judged to be qualified, carrying out one-time trial delivery;
when the trial delivery is successful, reporting the accident handling condition to a leader through a short message sending module; and if the trial delivery fails, prohibiting the trial delivery again and continuously processing the fault.
3. The grid accident auxiliary processing system according to claim 2, wherein the process management module at least comprises a bus fault and voltage loss fault handling process, a transformer accident handling process and a 110kv line fault trip handling process.
4. The grid accident auxiliary processing system of claim 2, wherein the process management module comprises an editing unit for adding, deleting or modifying a preset accident standard processing process.
5. The grid accident auxiliary processing system according to claim 2, wherein the block diagram of the process management module has different colors in different processing states.
6. A grid accident auxiliary processing system as claimed in claim 5, wherein the processing status color is defined as red for incomplete and green for complete.
7. The grid accident auxiliary processing system of claim 2, wherein the historical accident management module comprises an export unit for exporting the historical accident recording file as a case report.
8. The grid accident auxiliary processing system according to claim 2, wherein the historical accident management module comprises a retrieval unit, and the input keywords can be used for querying a corresponding historical accident record file.
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| CN108694491A (en) * | 2018-03-31 | 2018-10-23 | 南京北冶机电设备有限公司 | A kind of thermal power plant scheduling system |
| CN109086983A (en) * | 2018-07-19 | 2018-12-25 | 国网辽宁省电力有限公司盘锦供电公司 | Dispatching of power netwoks accident treatment householder method and system |
| US11481581B2 (en) | 2018-08-23 | 2022-10-25 | Florida Power & Light Company | Proactive power outage impact adjustments via machine learning |
| CN113285427A (en) * | 2021-05-12 | 2021-08-20 | 国网江苏省电力有限公司南通供电分公司 | Distribution network line accident trip alarm method based on automatic time sequence graph deduction |
| CN113964946B (en) * | 2021-11-08 | 2023-05-23 | 国网山东省电力公司胶州市供电公司 | Rapid notification system and method for power grid fault information |
| CN115130864A (en) * | 2022-06-30 | 2022-09-30 | 国网山东省电力公司济南市历城区供电公司 | Management method and system for power grid regulation and control operation workflow |
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| CN104036374A (en) * | 2014-07-08 | 2014-09-10 | 国网辽宁省电力有限公司 | Method for assisting in disposing operating accidents of power grid |
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| CN104977870A (en) * | 2015-07-27 | 2015-10-14 | 中国科学院自动化研究所 | Auxiliary treating system for workshop equipment accidents and method thereof |
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| CN104036374A (en) * | 2014-07-08 | 2014-09-10 | 国网辽宁省电力有限公司 | Method for assisting in disposing operating accidents of power grid |
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