CN108879663B - One-key sequence control method and system for electric power system with exception handling - Google Patents
One-key sequence control method and system for electric power system with exception handling Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 description 7
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- 238000005259 measurement Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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Abstract
The invention discloses a method and a system for generating a one-key sequence control operation order of an electric power system with exception handling, wherein the method comprises the following steps: and (4) setting a returning step for each operation step in the operation ticket, and if one operation step is abnormal, executing the steps according to the returning step sequence without manual intervention. The invention has the beneficial effects that: and adding a return step for each operation step, wherein when an exception occurs, the risk that the exception step is stopped can be unpredictable, and after the return step is added, the operation ticket can return to the initial state of execution, so that the problem can be conveniently re-executed or eliminated. The one-key sequential control operation process is optimized, and the risk is reduced while the human intervention is reduced.
Description
Technical Field
The invention relates to the technical field of power system sequence control, in particular to a power system one-key sequence control system with exception handling and a method thereof.
Background
In the last decade, the power grid construction is subject to high-speed development, the number of substations is increased from 21556 to 39247, the number of substations is increased by 82%, a first-line production task is increasingly heavy, the contradiction between the number of personnel and the structure is prominent, and the traditional operation and inspection mode mainly relying on manpower has low efficiency and limited lifting capacity, and is difficult to adapt to the requirements of the current power grid work. The switching operation is carried out by utilizing a sequential control (hereinafter referred to as sequential control) technology, which is an effective method for solving the problems, the automatic switching of the operation modes of the equipment in the station can be realized by presetting control logic in a sequential control system, the operation time can be greatly saved, the working intensity can be reduced, the misoperation and operation leakage risks can be reduced, and the method has a wide application prospect. Currently, a sequence control system is widely deployed in an intelligent substation (hereinafter referred to as an intelligent station).
However, the existing one-key sequential control system still has major disadvantages, and mainly includes the following aspects:
1. the realization modes of sequence control systems of different manufacturers and different transformer substations are not uniform, and are not beneficial to uniform management.
2. In the existing sequence control operation process, if an abnormity occurs, the sequence control operation can be stopped at an abnormal step, and unpredictable danger can be brought.
3. The manual intervention link is complicated, and the operation and maintenance personnel dare not to operate and refuse to operate due to worry about the safety risk, so that the sequence control practical degree of the intelligent station is low.
Disclosure of Invention
The invention aims to solve the problems and provides a one-key sequence control method and a one-key sequence control system with exception handling for an electric power system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a method for generating a one-key sequence control operation order of an electric power system with exception handling, which comprises the following steps: and (4) setting a returning step for each operation step in the operation ticket, and if one operation step is abnormal, executing the steps according to the returning step sequence without manual intervention.
Furthermore, when the combination ticket is generated, the front and back logics of the combination ticket are verified according to a preset rule, and the operation conditions of all the operation tickets are required to accord with the target states of the operation tickets in the preamble.
The second purpose of the invention is to disclose a method for one-key sequence control of an electric power system with exception handling, which comprises the following steps:
generating an operation ticket or a combined operation ticket according to the method;
selecting an operation ticket or an operation ticket combination needing to be operated;
checking the state of the equipment, performing error checking prevention, and simulating to execute the operation steps;
and executing the operation order, checking whether the operation steps are normally executed in real time in the execution process, and returning to the corresponding steps for re-execution according to a preset rule under the condition of no manual intervention if the operation steps are abnormal.
Further, in the execution process of the operation order, if manual intervention occurs in a certain operation step, automatically storing the operation order as an exception handling case, and storing the exception handling case into an experience base; when the operation ticket is executed again, the fault which has occurred and the information of the processing process of the fault are automatically prompted in the corresponding step.
Furthermore, each exception handling case comprises an operation ticket, an exception condition, an operation method of manual intervention and operation result information;
and in the execution process of the operation ticket, the information is matched with the abnormal processing case in the experience library to realize the query or automatic calling of the abnormal processing case.
The third purpose of the invention is to disclose a power system one-key sequence control operation order generation system with exception handling, comprising: and means for specifying a return step for each operation step in the operation ticket, the return steps being performed in the order of the return steps without human intervention if an abnormality occurs in one of the operation steps.
Further, still include: when generating the combination ticket, the device is used for verifying the front and back logics of the combination ticket according to the preset rule, and the verification content comprises: the operating conditions of all the operation tickets must meet the target state of the operation tickets in the preamble.
The fourth purpose of the invention is to disclose a power system one-key sequence control system with exception handling, comprising:
a unit for generating an operation ticket or a combination of operation tickets, the unit comprising: means for specifying a return step for each operation step in the operation ticket and means for verifying the front and back logics of the combination ticket according to a preset rule when the combination ticket is generated;
a unit for selecting an operation ticket or an operation ticket combination to be operated;
a unit for checking the state of the equipment, performing error check and simulating the execution of the operation steps;
and the unit is used for executing the operation order, checking whether the operation steps are normally executed or not in real time in the execution process, and returning to the corresponding steps to be re-executed according to a preset rule under the condition of no manual intervention if the operation steps are abnormal.
Further, still include: a unit for automatically storing the operation ticket as an exception handling case and storing the exception handling case into an experience base if manual intervention occurs in a certain operation step in the operation ticket execution process;
when the operation ticket is executed again, a unit for automatically prompting the fault occurred and the processing information of the fault at the corresponding step.
Further, still include: and the unit is used for matching the information with the abnormal processing cases in the experience library in the operation ticket execution process to realize the query or automatic calling of the abnormal processing cases.
The invention has the beneficial effects that:
1. and adding a return step for each operation step, wherein when an exception occurs, the risk that the exception step is stopped can be unpredictable, and after the return step is added, the operation ticket can return to the initial state of execution, so that the problem can be conveniently re-executed or eliminated. The one-key sequential control operation process is optimized, and the risk is reduced while the human intervention is reduced.
2. The abnormal handling case experience base is established, the operation difficulty of maintainers or operation and maintenance personnel is reduced, the occurrence of misoperation is avoided, and meanwhile the sequence control operation efficiency is improved.
3. When the combined ticket is formulated, the logic check process of the combined ticket is added before the preview step, the problem found in the preview process is avoided and the preview process needs to be carried out again, so that the workload and the production cost are saved.
Drawings
FIG. 1 is a schematic diagram of a one-touch sequential control system of an electrical power system with exception handling according to the present invention;
FIG. 2 is a flow chart of a one-touch sequence control method for an electrical power system with exception handling according to the present invention.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Interpretation of terms
One-key sequential control: an operation mode comprises prefabrication of operation project software, modular construction of operation tasks, automatic judgment of equipment states, intelligent check of error-proof interlocking, one-key starting of operation steps and automatic sequential execution of operation processes.
Operation ticket: the operation sequence stored in the substation and used for one-key sequence control comprises contents such as an operation object, a current equipment state, a target equipment state, an operation task name, an operation project, an operation condition, a target state and the like, and the operation sequence is debugged and verified before the substation is put into operation.
Combination ticket: and the operation order is formed based on a plurality of one-key sequential control operation order combinations.
Double confirmation: when the equipment is operated remotely, at least two non-homologous indicators are correspondingly changed, and all the indicators are correspondingly changed, so that the equipment can be confirmed to be operated in place.
The main criteria are as follows: position contact, pressing plate state, current fixed value area number criterion in a plurality of judging conditions of double confirmation.
And (3) auxiliary criterion: the judgment conditions of double confirmation are criteria except position contact, pressing plate state and current definite value area number.
The target state is as follows: and controlling the target state which is expected to be reached by the operation object in the operation ticket by one key after the operation.
The operating conditions are as follows: the one-key sequence control instruction has the initial condition which must be met before execution, the starting instruction execution is allowed only when the operation condition is met, and the instruction execution is forbidden when the operation condition is not met.
Target state: and the expected states which need to be met after the one-key sequence control instruction is completely executed are met, the target states are all met to indicate that the instruction is successfully executed, and the target states are not met to indicate that the instruction is failed to be executed.
Example one
In order to solve the problems pointed out in the background art, the present embodiment discloses a power system one-touch command system with exception handling, as shown in fig. 1, including: the system comprises a monitoring host, an intelligent anti-error host, a measurement and control device and a protection device; the monitoring host communicates with the intelligent anti-misoperation host, and the monitoring host and the intelligent anti-misoperation host communicate with the measurement and control device and the protection device respectively through the station control layer switch. Wherein,
the monitoring host computer: and configuring a sequence control function module, and matching with the transformer substation monitoring system and the scheduling master station to realize a sequence control function so as to finish storage, rehearsal, execution and the like of a sequence control operation ticket.
The intelligent anti-misoperation host computer: and verifying the error-proof information of the related operation.
Measurement and control device: the single-step remote control command which is decomposed and executed by the monitoring host sequence control is received, and the system has the functions of identity authentication, anti-misoperation locking and synchronous detection.
The protection device comprises: and receiving a single-step protection equipment control operation command decomposed and executed by the monitoring host to complete the switching and protection of the soft pressing plate.
The invention discloses a one-key sequence control method for an electric power system with exception handling, which comprises the following steps as shown in figure 2:
(1) managing an operation ticket; the method comprises the steps of creating, deleting, modifying and deleting equipment states; creating, deleting and modifying the operation ticket, wherein the operation object is an operation ticket set;
when an operation ticket is established, the operation steps of the sequence control operation ticket are expanded, and an exception handling step is added: a return step is specified for each step in the operation ticket, and if the operation of the step is abnormal, the steps can be executed in the return step order without human intervention. Due to the fact that when the abnormity occurs, the danger that the stay in the abnormity step is possibly unpredictable is increased, the return step is added, the original state of the operation ticket can be returned to, and the problem can be conveniently re-executed or eliminated.
When the combined ticket is formulated, the combined ticket is interactively checked with the anti-misoperation host according to a preset rule, the front logic and the rear logic of the combined ticket are verified, and the operating conditions in all the operating tickets are ensured to be in accordance with the target states of the preorder operating tickets.
Taking the following operation ticket as an example, the condition of operation 3 is that the operation in operation 1 is normally completed, and the current states of the national tune, sanxia, left 1/500kv.b01.50111 and the national tune, sanxia, left 1/500kv.b01.50112 are checked as being good.
< @ > sequence number equipment operation term source state target state condition </@ >
The Chinese regulation of < # >1, the left of the three gorges of 1/500kV, B01.50111, the combination and the separation of the three gorges of #
The national tone of < # >2, the left of the three gorges of 1/500kV, B01.50112, the combination and the separation of the three gorges of #
The national tone < # >3, the left three gorges 1/500kV, B01.5011, the national tone of the three gorges, 1/500kV, B01.50111 and the national tone of the three gorges, the left 1/500kV, B01.50112, the national tone of the three gorges
If preview verification is carried out after all the combination tickets are formulated, the process needs to be repeated when problems occur. The logic check of the combination ticket is advanced from the preview step to the step of formulating the combination ticket, and the earlier the problem is found, the lower the cost required for solving the problem is, so the logic check is advanced, and the workload can be saved.
(2) Selecting an operation ticket; the authority is checked, and the operation ticket or the operation ticket combination needing to be operated is selected
(3) Simulating rehearsal; checking the state of the equipment, performing error checking prevention, and simulating to execute the operation steps;
(4) executing the operation order; and checking whether the operation steps are normally executed in real time in the execution process, and if the operation steps are abnormal, executing the operation steps according to a preset withdrawal step sequence under the condition of no manual intervention.
And after the operation order is executed, checking whether the target state accords with the expected state, if so, indicating that the instruction execution is successful, otherwise, indicating that the instruction execution is unsuccessful.
In the execution process of the operation ticket, if manual intervention occurs, the associated operation ticket is automatically stored as an exception handling case, after the manual intervention is executed, an operator fills in a processing flow and remarks, puts the processing flow and remarks into an experience base, and then automatically prompts faults and processing steps which occur once in the related steps when the associated operation ticket is executed; or when manual intervention is needed, the abnormal processing cases can be matched in the experience base, and faults and processing steps which occur once are automatically prompted in the related steps after the matching is successful.
Each exception handling case stores information such as operation tickets, exception conditions, operation methods of manual intervention, operation results and the like; by matching the information with the abnormal processing cases in the experience base, the abnormal processing cases can be inquired or automatically called.
The maintainer or the operation and maintenance personnel can operate according to the related prompts, the operation difficulty of the maintainer or the operation and maintenance personnel is reduced, and the misoperation is avoided. The establishment of the experience base is an accumulated process, more and more experiences are accumulated along with the increase of the use time, and the maintenance personnel or the operation and maintenance personnel can process according to the flow, so that the requirement on the technical level of the personnel is lowered.
Example two
The embodiment discloses an electric power system key order control system with exception handling, includes:
a unit for generating an operation ticket or a combination of operation tickets, the unit comprising: means for specifying a return step for each operation step in the operation ticket and means for verifying the front and back logics of the combination ticket according to a preset rule when the combination ticket is generated;
a unit for selecting an operation ticket or an operation ticket combination to be operated;
a unit for checking the state of the equipment, performing error check and simulating the execution of the operation steps;
and the unit is used for executing the operation order, checking whether the operation steps are normally executed or not in real time in the execution process, and returning to the corresponding steps to be re-executed according to a preset rule under the condition of no manual intervention if the operation steps are abnormal.
Further, still include: a unit for automatically storing the operation ticket as an exception handling case and storing the exception handling case into an experience base if manual intervention occurs in a certain operation step in the operation ticket execution process;
when the operation ticket is executed again, a unit for automatically prompting the fault occurred and the processing information of the fault at the corresponding step.
Further, still include: and the unit is used for matching the information with the abnormal processing cases in the experience library in the operation ticket execution process to realize the query or automatic calling of the abnormal processing cases.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (7)
1. A one-key sequence control method for an electric power system with exception handling is characterized by comprising the following steps:
generating an operation ticket or a combined operation ticket; when an operation ticket is established, the operation steps of the sequence control operation ticket are expanded, and an exception handling step is added: a return step is specified for each operation step in the operation ticket, and if one operation step is abnormal, the operation is executed according to the sequence of the return step without manual intervention; returning to the initial state of executing the operation ticket;
selecting an operation ticket or an operation ticket combination needing to be operated;
checking the state of the equipment, performing error checking prevention, and simulating to execute the operation steps;
executing the operation order, checking whether the operation steps are normally executed or not in real time in the execution process, and returning to the corresponding steps for re-execution according to a preset rule under the condition of no manual intervention if the operation steps are abnormal;
in the execution process of the operation order, if manual intervention occurs in a certain operation step, automatically storing the operation order as an exception handling case, and storing the exception handling case into an experience library; when the operation ticket is executed again, the fault which has occurred and the information of the processing process of the fault are automatically prompted in the corresponding step.
2. The one-key sequence control method for the power system with exception handling as claimed in claim 1, wherein when generating the combination ticket, the front and back logics of the combination ticket are verified according to the preset rules, and the operation conditions of all the operation tickets must meet the target state of the operation tickets in the preamble.
3. The one-touch sequential control method for the power system with exception handling as claimed in claim 1, wherein each exception handling case comprises an operation ticket, an exception condition, an operation method of manual intervention and operation result information;
and in the execution process of the operation ticket, the information is matched with the abnormal processing case in the experience library to realize the query or automatic calling of the abnormal processing case.
4. A power system key sequence control system with exception handling is characterized by comprising:
a unit for generating an operation ticket or a combination of operation tickets, the unit comprising: means for specifying a return step for each operation step in the operation ticket and means for verifying the front and back logics of the combination ticket according to a preset rule when the combination ticket is generated;
a unit for selecting an operation ticket or an operation ticket combination to be operated;
a unit for checking the state of the equipment, performing error check and simulating the execution of the operation steps;
the unit is used for executing the operation order, whether the operation steps are normally executed or not is checked in real time in the execution process, and if the operation steps are abnormal, the operation steps are returned to the corresponding steps to be re-executed according to a preset rule under the condition that no manual intervention exists; a unit for automatically storing the operation ticket as an exception handling case and storing the exception handling case into an experience base if manual intervention occurs in a certain operation step in the operation ticket execution process;
when the operation ticket is executed again, a unit for automatically prompting the fault occurred and the processing information of the fault at the corresponding step.
5. The power system key sequence control system with exception handling of claim 4, further comprising: and the unit is used for matching the information with the abnormal processing cases in the experience library in the operation ticket execution process to realize the query or automatic calling of the abnormal processing cases.
6. The power system key sequence control system with exception handling of claim 4, comprising: when an operation ticket is established, the operation steps of the sequence control operation ticket are expanded, and an exception handling step is added:
means for specifying a return step for each operation step in the operation ticket, the return steps being performed in the order of the return steps without manual intervention if one of the operation steps is abnormal; returning to the original state of executing the operation ticket.
7. The power system key sequence control system with exception handling of claim 6, further comprising: when generating the combination ticket, the device is used for verifying the front and back logics of the combination ticket according to the preset rule, and the verification content comprises: the operating conditions of all the operation tickets must meet the target state of the operation tickets in the preamble.
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| CN112578695B (en) * | 2019-09-29 | 2024-07-26 | 国网重庆市电力公司 | Block chain-based intelligent substation one-key sequential control checking method and system |
| CN110989547A (en) * | 2019-10-31 | 2020-04-10 | 中国电力科学研究院有限公司 | Detection method and system for intelligent substation one-key sequence control system |
| CN111614913B (en) * | 2020-05-06 | 2022-09-09 | 许昌许继软件技术有限公司 | One-key sequential control double-confirmation system and method based on intelligent isolation switch position identification |
| CN112186739B (en) * | 2020-09-07 | 2022-05-17 | 南京南瑞继保电气有限公司 | Sequential control operation order non-power-outage checking method and system |
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Effective date of registration: 20201218 Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Applicant after: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch Address before: 250101 power intelligent robot production project 101 south of Feiyue Avenue and east of No.26 Road (in ICT Industrial Park) in Suncun District of Gaoxin, Jinan City, Shandong Province Applicant before: National Network Intelligent Technology Co.,Ltd. |
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Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong luruan Digital Technology Co.,Ltd. smart energy branch Address before: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee before: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch |
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