CN112067929B - Inspection method and system for remote control function of distribution network automation switch - Google Patents
Inspection method and system for remote control function of distribution network automation switch Download PDFInfo
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- CN112067929B CN112067929B CN202010939546.9A CN202010939546A CN112067929B CN 112067929 B CN112067929 B CN 112067929B CN 202010939546 A CN202010939546 A CN 202010939546A CN 112067929 B CN112067929 B CN 112067929B
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Abstract
The invention discloses a method and a system for inspecting a remote control function of a distribution network automatic switch, wherein the method comprises the following steps: s1: setting a time period required to be inspected; s2: calling a plan inspection scheme; s3: according to the planned inspection scheme, batch presetting is carried out on the distribution network automatic switch in a set inspection time period; s4: and executing remote control revocation after batch presetting is successful. The invention is suitable for distribution network automatic switch in operation, can realize the unified detection of terminal operation quality, and can find the operation defects of distribution network automatic equipment in time. The operation quality of the automatic equipment is improved, the problem that the distribution network automatic equipment cannot execute remote control operation when power failure and distribution network fault processing are required according to a plan in the past is solved, the method of sensing and intervening in advance of the distribution network automatic equipment is realized, and strong technical support is provided for intelligent monitoring and early warning of a distribution network and self-healing of distribution network faults. The operation quality of the power distribution network is improved, the power supply reliability is guaranteed, and the method has the popularization value of the whole network.
Description
Technical Field
The invention relates to the field of distribution network automation, in particular to a method and a system for patrolling a remote control function of a distribution network automation switch.
Background
With the rapid development of the economic society and the continuous improvement of the living standard of residents, the requirement on the power supply reliability is higher and higher, and the traditional power distribution network dispatching management mode cannot meet the urgent need on the high-reliability power supply. The distribution network automation system has increasingly important responsibility in operation and maintenance of the distribution network, and needs to provide reliable and stable application functions of terminal monitoring, control and the like to quickly respond to the requirements of users and process faults. The successful execution of the remote control command is more directly related to the functions of line power cut and transmission, fault processing, distribution network self-healing and the like of a dispatcher, so that the remote control utilization rate of the automatic switch is an important practical index for realizing intellectualization.
The remote control operation of the distribution network automation terminal is divided into the stages of remote control presetting, presetting and returning, remote control execution and execution of returning, generally, the phenomena of failure can be classified into three types, and remote control selection fails, presetting and execution of returning overtime or fails, and remote control execution fails, as shown in fig. 1:
1) And presetting a back calibration overtime. And after the master station performs the preset operation, if the terminal return correction information is not received within the time set by the master station, the preset return correction timeout is judged. This is generally caused by the fact that the communication between the automation terminal and the automation master station is unstable and the terminal is not on-line.
2) The pre-set back-calibration fails. After the master station performs the preset operation, the terminal normally completes the preset correction, and the master station receives the terminal information and judges that the preset correction fails. Generally, the state of a protection signal (remote/local state, switch position dislocation) of the field automation terminal is wrong, and the terminal has locking information and the like.
3) A timeout is performed. And after the master station finishes the preset operation and performs the execution operation, if the switch deflection information returned by the terminal is not received within the set time of the master station, the execution is judged to be overtime. Generally, due to the instability of a communication network between an automation terminal and an automation master station, the uploading of switch displacement information is overtime, or the terminal is related to self abnormity.
Therefore, the running distribution network automatic switch is used as a final medium for supplying power to clients and has the characteristics of wide coverage and multiple access points. If the equipment causes the problems of terminal off-line, unstable communication, abnormal protection signal, device locking and the like due to equipment or external environment reasons in the operation process, the accuracy and the practicability of service functions such as fault processing, intelligent alarm, intelligent self-healing and the like based on the data acquired by the power distribution terminal are directly influenced.
The publication date is 2017, 02, 22 and the publication number is CN106443436A, and the method for detecting the remote control function of the switch considering the risk of loop closing and the operation and maintenance assistant decision can be used for the planned performance detection work of the remote control function of the switch. The method is characterized in that the remote control performance of the switch in the feeder line is detected on the basis of considering the risk factor of the loop closing and opening, so that the risk and influence on the power grid caused by the detection process are avoided, and the possible reasons of the abnormal switch can be analyzed; and meanwhile, the detected remote control performance result of the switch can be used for providing maintenance decision support for the abnormal switch. The method comprises the steps of deducing the optimal operation time period of the switch, carrying out safety check before detection, and then carrying out uninterrupted loop closing and load reversing operation on a loop network power supply line to realize full-automatic one-button detection of the switch state. The method is more complex and has a lower success rate.
Disclosure of Invention
The invention aims to provide a method for inspecting the remote control function of a distribution network automatic switch, which can improve the success rate of remote control of the distribution network automatic switch.
The invention provides a system for patrolling the remote control function of a distribution network automatic switch.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a routing inspection method for remote control functions of distribution network automation switches comprises the following steps:
s1: setting a time period required to be patrolled;
s2: calling a plan inspection scheme;
s3: according to the planned inspection scheme, batch presetting is carried out on the distribution network automatic switch in a set inspection time period;
s4: executing remote control revocation after batch presetting is successful;
according to the scheme, the preset test of closing position control closing and separating position control division is carried out on the distribution network automatic switch, the preset command is automatically cancelled after the preset is completed, the comprehensive and reliable remote control preset test can be carried out on the distribution network automatic switch, common abnormal phenomena between a main station and a terminal are detected, and the distribution network remote control success rate is greatly improved. By developing the batch automatic remote control preset inspection function, the automatic batch remote control preset inspection of planned and unplanned switches can be carried out on the running distribution network automation, the abnormal condition of the distribution network automation switch is found in advance, and a report is formed. The operation defects of the equipment are found through inspection, and each operation and maintenance unit is guided to process in advance, so that the remote control success rate of the distribution network automatic switch is greatly improved.
Preferably, after the step S4, after the step S5 of presetting, outputting the preset history result and the current day result as a report.
Preferably, in step S3, when the batch presetting is executed, when it is detected that there is an artificial remote control switch, the batch presetting is automatically suspended, and after the suspension is finished, the batch presetting is continuously executed.
Preferably, the preset pause time for automatically pausing the batch is taken from a configuration file in a planned inspection scheme, and a batch preset pressing plate control point and pause time are set in the configuration file.
Preferably, after the step S1, before the step S2, a step S6 of applying for remote control of the distribution network automation switch and self-healing of the feeder is further included to perform temporary remote inspection.
Preferably, step S6 comprises the steps of:
s6.1: judging whether the application of the distribution network automatic switch remote control input and the feeder self-healing input passes or not, and if so, entering the step S6.2;
s6.2: remote control input of a distribution network automatic switch and self-healing input application of a feeder line, including a distribution network automatic switch information forming file, are stored into a specified directory;
s6.3: detecting whether a newly added file exists in the appointed directory, and if so, completing a remote control preset test on a distribution network automatic switch included in the file;
s6.4: and generating a report for outputting the remote control preset test result.
The utility model provides a distribution network automation switch remote control function system of patrolling and examining, includes:
the setting module sets a time period required to be inspected;
the calling module is used for calling a plan inspection scheme;
the batch presetting module is used for executing batch presetting on the distribution network automatic switch in a set polling time period according to the planned polling scheme;
and the revocation module is used for executing remote control revocation after the batch presetting is successful.
Preferably, the method further comprises the following steps:
and the output module is used for outputting the preset historical result and the current day result into a report.
Preferably, the batch presetting module is further configured to automatically pause batch presetting when a remote control switch is detected, and continue to execute batch presetting after the pause is finished.
Preferably, the method further comprises the following steps:
the module of patrolling and examining temporarily, the module of patrolling and examining temporarily is used for joining in marriage the remote control of network automation switch and drop into, feeder self-healing and drops into the application flow, carries out the remote control of temporality and patrols and examines.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the inspection method provided by the invention is suitable for distribution network automatic switching in operation, can realize unified detection of terminal operation quality, and can timely find out the operation defects of distribution network automatic equipment. The operation quality of the automatic equipment is improved, the problem that the distribution network automatic equipment cannot execute remote control operation when power failure and distribution network fault processing are required according to a plan in the past is solved, the method of sensing and intervening in advance of the distribution network automatic equipment is realized, and strong technical support is provided for intelligent monitoring and early warning of a distribution network and self-healing of distribution network faults. The operation quality of the power distribution network is improved, the power supply reliability is guaranteed, and the method has the popularization value of the whole network.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Fig. 2 is a schematic plan inspection process according to the present invention.
Fig. 3 is a schematic diagram of a temporary remote inspection process according to the present invention.
FIG. 4 is a schematic diagram of the system of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described with reference to the drawings and the embodiments.
Example 1
The embodiment provides a method for inspecting a remote control function of a distribution network automation switch, which comprises the following steps of:
s1: setting a time period required to be inspected;
s2: calling a plan inspection scheme;
s3: according to the planned inspection scheme, performing batch presetting on the distribution network automatic switch in a set inspection time period;
s4: and executing remote control cancellation after batch presetting is successful.
And step S4, after the step S5 is finished, outputting the preset history result and the current day result as a report.
In the step S3, when the batch presetting is executed, the batch presetting is automatically suspended when the fact that the manual remote control switch exists is detected, and the batch presetting is continuously executed after the suspension is finished.
The automatic batch pause preset pause time is taken from a configuration file in a planned inspection scheme, and a batch preset pressing plate control point and the pause time are set in the configuration file.
After the step S1, before the step S2, the method also comprises the step S6 of combining with the application process of remote control input of the distribution network automation switch and self-healing input of the feeder line, and carrying out temporary remote control inspection.
Step S6 includes the steps of:
s6.1: judging whether the application of the distribution network automatic switch remote control input and the feeder self-healing input passes or not, and if so, entering the step S6.2;
s6.2: remote control input of a distribution network automatic switch and self-healing input application of a feeder line, including a distribution network automatic switch information forming file, are stored into a specified directory;
s6.3: detecting whether a newly added file exists in the appointed directory, and if so, completing a remote control preset test on a distribution network automatic switch included in the file;
s6.4: and generating a report for outputting the remote control preset test result.
Example 2
This implementation provides a distribution network automation switch remote control function system of patrolling and examining, as shown in fig. 4, include:
the setting module sets a time period required to be inspected;
the calling module is used for calling a plan inspection scheme;
the batch presetting module is used for carrying out batch presetting on the distribution network automatic switch in a set polling time period according to the planned polling scheme;
and the revocation module is used for executing remote control revocation after batch presetting is successful.
Further comprising:
and the output module is used for outputting the preset historical result and the current day result into a report.
The batch presetting module is also used for automatically pausing the batch presetting when the remote control switch is detected to be operated, and continuously executing the batch presetting after the pause is finished.
Further comprising:
the module of patrolling and examining temporarily, the module of patrolling and examining temporarily is used for joining in marriage the remote control of network automation switch and drop into, feeder self-healing and drops into the application flow, carries out the remote control of temporality and patrols and examines.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A routing inspection method for remote control functions of distribution network automation switches is characterized by comprising the following steps:
s1: setting a time period required to be patrolled;
s2: calling a plan inspection scheme;
s3: according to the planned inspection scheme, batch presetting is carried out on the distribution network automatic switch in a set inspection time period;
s4: executing remote control cancellation after the batch presetting is successful;
step S6, combining with the application flow of remote control input of the distribution network automation switch and self-healing input of the feeder line, and carrying out temporary remote control inspection;
step S6 includes the steps of:
s6.1: judging whether the remote control input of the distribution network automatic switch and the self-healing input application of the feeder line pass, and if so, entering a step S6.2;
s6.2: the method comprises the steps that a network distribution automation switch remote control input application and a feeder self-healing input application including a network distribution automation switch information forming file are stored into a specified directory;
s6.3: detecting whether a newly added file exists in the appointed directory, and if so, completing a remote control preset test on a distribution network automatic switch included in the file;
s6.4: and generating a report for outputting the remote control preset test result.
2. The inspection method according to claim 1, wherein after the step S4, the inspection method further comprises the step of outputting preset historical results and results of the day as a report after S5 presetting is finished.
3. The inspection method according to claim 1, wherein in step S3, when batch presetting is performed, when an artificial remote switch is detected, the batch presetting is automatically suspended, and after suspension is completed, the batch presetting is continuously performed.
4. The inspection method according to claim 3, wherein the preset pause time for automatically pausing the batch is taken from a configuration file in a planned inspection scheme, and batch preset pressing plate control points and pause time are set in the configuration file.
5. The utility model provides a distribution network automation switch remote control function system of patrolling and examining which characterized in that includes:
the setting module sets a time period required to be patrolled;
the temporary inspection module is used for carrying out temporary remote control inspection by combining with the application processes of remote control input of the distribution network automation switch and self-healing input of the feeder line;
the calling module is used for calling a plan inspection scheme;
the batch presetting module is used for executing batch presetting on the distribution network automatic switch in a set polling time period according to the planned polling scheme;
the revocation module is used for executing remote control revocation after batch presetting is successful;
the temporary inspection module comprises the following steps:
judging whether the remote control input of the distribution network automation switch and the self-healing input application of the feeder line pass or not, and entering the next step if the remote control input and the self-healing input application of the feeder line pass;
the method comprises the steps that a network distribution automation switch remote control input application and a feeder self-healing input application including a network distribution automation switch information forming file are stored into a specified directory;
detecting whether a newly added file exists in the appointed directory, and if so, completing a remote control preset test on a distribution network automatic switch included in the file;
and generating a report for outputting the remote control preset test result.
6. The inspection system according to claim 5, further comprising:
and the output module is used for outputting the preset historical result and the current day result into a report.
7. The inspection system according to claim 6, wherein the batch presetting module is further configured to automatically pause batch presetting when a remote control switch is detected, and continue to execute batch presetting after the pause is finished.
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| CN112821567B (en) * | 2021-03-18 | 2023-01-13 | 广东电网有限责任公司佛山供电局 | Method and device for processing remote control failure of distribution network switch |
| CN113113971B (en) * | 2021-04-15 | 2022-12-09 | 广东电网有限责任公司佛山供电局 | Automatic remote control execution method and related device for distribution network feeder operation task |
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| CN106100123B (en) * | 2016-06-30 | 2019-03-19 | 国网浙江省电力公司杭州供电公司 | Distribution equipment intelligent monitoring method based on video interlink |
| CN106443436B (en) * | 2016-11-10 | 2019-03-19 | 国电南瑞科技股份有限公司 | Consider the switch distant control function detection method of solution cyclization risk and O&M aid decision |
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