CN112444687A - Effective power failure event studying and judging method and device - Google Patents
Effective power failure event studying and judging method and device Download PDFInfo
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Abstract
The invention discloses a method and a device for studying and judging an effective power failure event, wherein the method comprises the following steps: acquiring a power failure event information message sent by a terminal, and analyzing to obtain power failure event information; judging whether the corresponding power failure event is effective or not according to the power failure event information obtained by analysis and a preset power failure event effectiveness judgment rule; responding to the effectiveness of a power failure event, and acquiring real-time data of the phase voltage A of a transformer area general meter or a household meter; judging whether the corresponding effective power failure event is accurate or not according to a preset power failure event accuracy judgment rule based on the acquired A phase voltage of the distribution room general table or the household table; and recording the corresponding power failure event into the effective power failure event database in response to the accurate effective power failure event. The invention can judge the effectiveness of the power failure of the terminal and the electric meter according to the power failure event information reported by the terminal/the electric meter, and improve the accuracy of reporting the event.
Description
Technical Field
The invention relates to the technical field of power utilization information acquisition of a power system, in particular to a method and a device for researching and judging an effective power failure event.
Background
The Jilin province power utilization information acquisition system is formally put into operation in 4 months in 2010, a province centralized deployment mode is adopted, and until the current situation, the total number of users acquired by Jilin province power limited companies is 1272 ten thousands of households, and the coverage rate is 99.80%; wherein, the large-scale special transformer user realizes the acquisition of 5.9 ten thousands of households, and the coverage rate is 99.87%; the small and medium-sized special transformer users can collect 7.4 thousands of households, and the coverage rate is 99.68%; the general three-phase industrial and commercial users can collect 38.2 thousands of households, and the coverage rate is 99.59%; the method has the advantages that general single-phase industrial and commercial users can collect 111.9 ten thousands of households, and the coverage rate is 99.79%; 1097.6 thousands of households are collected by low-voltage resident users, and the coverage rate is 99.81%; the public distribution transformer realizes the collection of 11.5 ten thousands of households, and the coverage rate is 99.96%. The data base of big data analysis is provided.
The power utilization information acquisition system does not discriminate the effectiveness of the power failure event after receiving the power failure event reported by the private and public transformer acquisition terminal, the concentrator, the collector and the electric energy meter, and the rate of the effective event in the power failure event reported by the terminal and the power meter is lower at present, so that the effectiveness and the authenticity of the power failure event are discriminated, invalid event and garbage data are filtered, the power failure influence range is pre-judged by comparing the states of other equipment in the same line and the same station and calling and detecting necessary data, auxiliary information of the power failure event and the power failure research and judgment is pushed to a power supply service command system through an interface, and power failure research and judgment and active emergency repair services are supported.
The processing principle of the original acquisition power utilization information acquisition system for reporting the power failure and recovery events is that the terminal events are analyzed by the acquisition gateway and then directly stored in a warehouse after being reported, and the real situation of actual power failure on site cannot be normally reflected due to the fact that the situations of missing report, false report, frequent report and the like frequently occur in the reporting of the power failure events of the terminal.
Disclosure of Invention
The invention aims to provide a method and a device for researching and judging an effective power failure event, which are used for judging the effectiveness of power failure of a terminal and an electric meter according to power failure event information reported by the terminal/the electric meter and improving the accuracy of event reporting.
The technical scheme adopted by the invention is as follows: a method for judging an effective power failure event comprises the following steps:
acquiring a power failure event information message sent by a terminal, and analyzing to obtain power failure event information;
judging whether the corresponding power failure event is effective or not according to the power failure event information obtained by analysis and a preset power failure event effectiveness judgment rule;
responding to the effectiveness of a power failure event, and acquiring real-time data of the phase voltage A of a transformer area general meter or a household meter;
judging whether the corresponding effective power failure event is accurate or not according to a preset power failure event accuracy judgment rule based on the acquired A phase voltage of the distribution room general table or the household table;
and recording the corresponding power failure event into the effective power failure event database in response to the accurate effective power failure event.
The effective power failure events are put in a warehouse by the warehouse queue, and the subsequent warning pushing and displaying can be carried out on the power failure events in the database, such as displaying of real-time power failure monitoring, displaying of historical power failure event query, or displaying of effective power failure event query modes.
Further, the method further comprises: and pushing effective power failure event information to the power supply service command system, judging whether the corresponding power failure event is planned power failure or not by the power supply service command system, and if the corresponding power failure event is unplanned power failure, pushing and outputting a power failure emergency repair instruction. The power failure emergency repair instruction can be pushed to an emergency repair working group of the related equipment of the power failure event, and the corresponding service speed and the customer experience can be improved.
Optionally, the power failure event information message is obtained from the acquisition gateway and is a terminal power failure event information message analyzed by the acquisition gateway. The information needed by validity judgment such as event codes, power failure time, power restoration time and the like can be obtained from the analysis of the information message sent by the terminal.
Optionally, the judging whether the power failure event is valid includes judging whether the terminal power failure event is valid or judging whether the ammeter power failure event is valid;
the preset power failure event validity judgment rule is that any one of the following criteria is met:
a, the power failure duration is greater than the minimum power failure duration threshold and less than the maximum power failure duration threshold;
b, the power failure time difference is smaller than the power failure time difference threshold;
c, the complex power error is smaller than a complex power error threshold value;
d, the power failure error is smaller than the power failure error threshold value;
the power failure duration of the terminal/ammeter power failure event is the difference value between the power failure starting time of the terminal/ammeter and the power failure ending time of the terminal/ammeter; the terminal power failure time difference is the difference between any two of the terminal power failure time, the ammeter power failure time and the communication interruption time; the terminal power restoration error is the time point deviation of any two of the terminal power restoration time, the communication recovery time and the power restoration time of the electric meter under the jurisdiction of the terminal; the terminal power failure error is the time point deviation of any two of the terminal power failure time, the communication interruption time and the power failure time of the electric meter under the jurisdiction of the terminal;
the difference value of the power failure time length of the ammeter is the difference value of the power failure time length of the ammeter and the power failure time length of the power failure range in which the ammeter is located; the ammeter power restoration error is the time point deviation of the ammeter power restoration time and the power restoration time in the power failure range; the ammeter power failure error is the time point deviation of the ammeter power failure time and the power failure time in the power failure range.
Further, the power failure time and the power restoration time of the power failure range of the electric meter are the power failure time and the power restoration time of the upper-layer terminal of the electric meter. When the situation of range power failure does not exist, for the power failure event of the electric meter, the effectiveness of the power failure of the electric meter can be judged only according to the power failure duration criterion.
Optionally, the minimum power outage duration threshold is 1 minute, the maximum power outage duration threshold is 3 days, the power outage duration difference threshold is 15 minutes, the power restoration error threshold is 5 minutes, and the power outage error threshold is 15 minutes. The threshold settings may be empirically set and may be varied up and down on the basis of the above-mentioned fixed values.
Optionally, the real-time data of the voltage of the a phase of the table area general table or the user table is obtained through transparent reading: for a terminal power failure event, summoning the real-time data of the A-phase voltage of the station master table corresponding to the terminal; for the electricity meter power failure event, recalling the measured A phase voltage real-time data of the corresponding household meter
Optionally, the preset power failure event accuracy judgment rule is as follows: the voltage calling and testing return value is 0, or the voltage calling and testing return value is larger than 0 and smaller than 132V. And for the terminal power failure event and the ammeter power failure event, the accuracy judgment rule principle is the same.
On the other hand, the invention also discloses a device for studying and judging the effective power failure event, which comprises:
the event message acquisition and analysis module is configured for acquiring a power failure event information message sent by the terminal and analyzing the power failure event information message to obtain power failure event information;
the event validity judging module is configured to judge whether the corresponding power failure event is valid according to the power failure event information obtained by analysis and a preset power failure event validity judging rule;
the real-time voltage calling module is configured for responding to the effectiveness of a power failure event and acquiring real-time data of the voltage of the A phase of the transformer area general table or the household table;
the event accuracy judging module is configured to judge whether the corresponding effective power failure event is accurate or not according to a preset power failure event accuracy judging rule based on the acquired station area general table or the voltage of the A phase of the household table;
and the effective time storage module is configured for responding to the accurate effective power failure event and recording the corresponding power failure event into the effective power failure event database.
Advantageous effects
1. The invention is based on the real-time stream processing technology of the power failure event, and can provide technical support for the accurate analysis of the power failure;
2. according to the invention, by adopting a multi-layer discrimination technology for discriminating the effectiveness and the accuracy of power failure, invalid events and garbage data are repeatedly filtered, so that the event retention time can be effectively shortened, and the event accuracy is improved;
3. by utilizing the method and the system, the power failure research and judgment result can be pushed in time, so that the power failure response speed and the customer experience are improved;
4. through the analysis of the power failure event, the power failure influence range is intelligently researched and judged, the power failure event stopping and power failure research and judgment auxiliary information is pushed to the power supply service command system through the interface, the power failure research and judgment and active first-aid repair service can be supported, and the service response speed and the customer experience are improved.
Drawings
FIG. 1 is a schematic flow chart illustrating a method for determining an effective power outage event according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of a method for determining a blackout event;
FIG. 3 is a schematic diagram illustrating an application of the method for determining an effective power outage event.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and the specific embodiments.
The invention has the conception that after the power failure event information sent by the terminal is researched and judged in real time by using the power utilization information acquisition system, the judged effective power failure event is recorded and stored, and the research and judgment process is implemented by adopting a multi-layer research and judgment mode, so that the effectiveness judgment is firstly carried out, and then the accuracy judgment is carried out, thereby greatly reducing the false alarm situation and more truly reflecting the actual situation of the actual power failure on site.
Example 1
The present embodiment is a method for determining an effective power failure event, and referring to fig. 1, the method includes:
acquiring a power failure event information message sent by a terminal, and analyzing to obtain power failure event information;
judging whether the corresponding power failure event is effective or not according to the power failure event information obtained by analysis and a preset power failure event effectiveness judgment rule;
responding to the effectiveness of a power failure event, and acquiring real-time data of the phase voltage A of a transformer area general meter or a household meter;
judging whether the corresponding effective power failure event is accurate or not according to a preset power failure event accuracy judgment rule based on the acquired A phase voltage of the distribution room general table or the household table;
and recording the corresponding power failure event into the effective power failure event database in response to the accurate effective power failure event.
As shown in fig. 2, the effective blackout event is put into the warehouse from the warehouse queue, and subsequently, the blackout event in the database can be subjected to alarm pushing and display, such as display of real-time blackout monitoring, display of historical blackout event query, or display of effective blackout event query.
As shown in fig. 3, the method of this embodiment further includes: and pushing effective power failure event information to the power supply service command system, judging whether the corresponding power failure event is planned power failure or not by the power supply service command system, and if the corresponding power failure event is unplanned power failure, pushing and outputting a power failure emergency repair instruction. The power failure emergency repair instruction can be pushed to an emergency repair working group of the related equipment of the power failure event, and the corresponding service speed and the customer experience can be improved.
Referring to fig. 2, in the present invention, the power failure event information packet is obtained from the collection gateway and is a terminal power failure event information packet analyzed by the collection gateway. The information needed by validity judgment such as event codes, power failure time, power restoration time and the like can be obtained from the analysis of the information message sent by the terminal.
When the effectiveness is judged, the terminal power failure event and the ammeter power failure event need to be judged according to the judgment rules respectively, and the judgment of whether the power failure event is effective or not, namely the judgment of whether the terminal power failure event is effective or not or the judgment of whether the ammeter power failure event is effective or not, is carried out according to the difference of the power failure event information;
for the terminal power failure event and the ammeter power failure event, the judgment rule principle is communicated, and the preset power failure event validity judgment rule is that any one of the following criteria is met:
a, the power failure duration is greater than the minimum power failure duration threshold and less than the maximum power failure duration threshold;
b, the power failure time difference is smaller than the power failure time difference threshold;
c, the complex power error is smaller than a complex power error threshold value;
d, the power failure error is smaller than the power failure error threshold value;
the power failure duration of the terminal/ammeter power failure event is the difference value between the power failure starting time of the terminal/ammeter and the power failure ending time of the terminal/ammeter; the terminal power failure time difference is the difference between any two of the terminal power failure time, the ammeter power failure time and the communication interruption time; the terminal power restoration error is the time point deviation of any two of the terminal power restoration time, the communication recovery time and the power restoration time of the electric meter under the jurisdiction of the terminal; the terminal power failure error is the time point deviation of any two of the terminal power failure time, the communication interruption time and the power failure time of the electric meter under the jurisdiction of the terminal;
for the terminal power failure time difference, the power restoration error and the power failure error, each judgment only needs to calculate any one result value in the 3 results to meet the corresponding threshold condition, and the power failure event is considered to be effective.
The difference value of the power failure time length of the ammeter is the difference value of the power failure time length of the ammeter and the power failure time length of the power failure range in which the ammeter is located; the ammeter power restoration error is the time point deviation of the ammeter power restoration time and the power restoration time in the power failure range; the ammeter power failure error is the time point deviation of the ammeter power failure time and the power failure time in the power failure range.
When the range power failure condition exists, the power failure time and the power restoration time of the power failure range of the electric meter are the power failure time and the power restoration time of the upper-layer terminal of the electric meter. When the situation of range power failure does not exist, for the power failure event of the electric meter, the effectiveness of the power failure of the electric meter can be judged only according to the power failure duration criterion.
The method can also comprise a range power failure judging process, the specific judgment of the range power failure can adopt the prior art, and the data can comprise power failure event information acquired from the acquisition gateway and effective power failure event information recorded and stored in a warehouse.
Optionally, the minimum power outage duration threshold is 1 minute, the maximum power outage duration threshold is 3 days, the power outage duration difference threshold is 15 minutes, the power restoration error threshold is 5 minutes, and the power outage error threshold is 15 minutes. The threshold settings may be empirically set and may be varied up and down on the basis of the above-mentioned fixed values.
For criterion b, when the validity of the terminal power failure event is judged, the difference values of the terminal power failure time length, the power failure time length of an ammeter (an ammeter governed by the terminal) and the communication terminal time length are respectively calculated, and a judgment method for mutual verification of correlation of power supply relations is adopted, because: when the power failure of the terminal occurs, the power supply of the terminal loses power, and the communication link with the master station cannot be maintained, so that the terminal loses connection with the master station after the power failure occurs, and the communication link is reestablished after the power supply is recovered. The power supply of the general concentrator is to supply power in a main line between a transformer and a household meter, and the power failure of the main line inevitably causes the power failure of the electric meter supplied by the main line, so that the power failure of the terminal can be verified by the power failure and the power restoration occurrence time of the electric meter. The power failure starting time and the occurrence of power restoration of each observation object may be deteriorated due to the deviation of a capacitor or an equipment clock, the allowable deviation of the embodiment is within 15 minutes, and if the deviation is too large, the confusion judgment of continuous multiple power failure events may occur.
When the validity of the terminal power failure event is judged, the deviation between the time point of the terminal power failure and the time point of the communication link loss connection, which is the criterion d, and the power failure event power failure occurrence time point recorded by the electric meters under the jurisdiction of the terminal is within 15 minutes, and the power failure error threshold is larger than the power restoration error judgment threshold, so that the situation that the terminal has a battery or a capacitor and can maintain the short-time power supply of the communication link is considered.
When the effectiveness of the power failure event is judged to be passed, a power failure accuracy judging process can be triggered, namely, voltage calling is triggered, and at the moment, real-time data of the voltage of the A phase of the transformer area general table or the household table is obtained through thorough copying: for a terminal power failure event, summoning the real-time data of the A-phase voltage of the station master table corresponding to the terminal; and for the electricity meter power failure event, recalling the measured A-phase voltage real-time data of the corresponding household meter.
The preset power failure event accuracy judgment rule is as follows: the voltage calling and testing return value is 0 or more than 0 and less than 132. And for the terminal power failure event and the ammeter power failure event, the accuracy judgment rule principle is the same.
Further, the method of this embodiment further includes: before validity judgment, whether the current day is frequently reported or is supplementary reported is judged according to the power failure event information obtained by analysis, if the current day is frequently reported, the current day is not processed, corresponding event information is discarded, and if the current day is supplementary reported and power failure validity analysis is not performed on a corresponding terminal, the power failure event validity judgment and accuracy judgment are continuously executed. Whether the report is frequently reported or the report is supplemented can be judged according to the event code in the power failure event information.
Example 2
The present embodiment is an apparatus for determining an effective power failure event based on the same inventive concept as embodiment 1, and the apparatus includes:
the event message acquisition and analysis module is configured for acquiring a power failure event information message sent by the terminal and analyzing the power failure event information message to obtain power failure event information;
the event validity judging module is configured to judge whether the corresponding power failure event is valid according to the power failure event information obtained by analysis and a preset power failure event validity judging rule;
the real-time voltage calling module is configured for responding to the effectiveness of a power failure event and acquiring real-time data of the voltage of the A phase of the transformer area general table or the household table;
the event accuracy judging module is configured to judge whether the corresponding effective power failure event is accurate or not according to a preset power failure event accuracy judging rule based on the acquired station area general table or the voltage of the A phase of the household table;
and the effective time storage module is configured for responding to the accurate effective power failure event and recording the corresponding power failure event into the effective power failure event database.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A method for studying and judging an effective power failure event is characterized by comprising the following steps:
acquiring a power failure event information message sent by a terminal, and analyzing to obtain power failure event information;
judging whether the corresponding power failure event is effective or not according to the power failure event information obtained by analysis and a preset power failure event effectiveness judgment rule;
responding to the effectiveness of a power failure event, and acquiring real-time data of the phase voltage A of a transformer area general meter or a household meter;
judging whether the corresponding effective power failure event is accurate or not according to a preset power failure event accuracy judgment rule based on the acquired A phase voltage of the distribution room general table or the household table;
and recording the corresponding power failure event into the effective power failure event database in response to the accurate effective power failure event.
2. The method of claim 1, further comprising: and pushing effective power failure event information to the power supply service command system, judging whether the corresponding power failure event is planned power failure or not by the power supply service command system, and if the corresponding power failure event is unplanned power failure, pushing and outputting a power failure emergency repair instruction.
3. The method as claimed in claim 1, wherein the outage event information message is obtained from the collection gateway and is a terminal outage event information message parsed by the collection gateway.
4. The method of claim 1, wherein determining whether the blackout event is valid comprises determining whether a terminal blackout event is valid or determining whether an electricity meter blackout event is valid;
the preset power failure event validity judgment rule is that any one of the following criteria is met:
a, the power failure duration is greater than the minimum power failure duration threshold and less than the maximum power failure duration threshold;
b, the power failure time difference is smaller than the power failure time difference threshold;
c, the complex power error is smaller than a complex power error threshold value;
d, the power failure error is smaller than the power failure error threshold value;
the power failure duration of the terminal/ammeter power failure event is the difference value between the power failure starting time of the terminal/ammeter and the power failure ending time of the terminal/ammeter; the terminal power failure time difference is the difference between any two of the terminal power failure time, the ammeter power failure time and the communication interruption time; the terminal power restoration error is the time point deviation of any two of the terminal power restoration time, the communication recovery time and the power restoration time of the electric meter under the jurisdiction of the terminal; the terminal power failure error is the time point deviation of any two of the terminal power failure time, the communication interruption time and the power failure time of the electric meter under the jurisdiction of the terminal;
the difference value of the power failure time length of the ammeter is the difference value of the power failure time length of the ammeter and the power failure time length of the power failure range in which the ammeter is located; the ammeter power restoration error is the time point deviation of the ammeter power restoration time and the power restoration time in the power failure range; the ammeter power failure error is the time point deviation of the ammeter power failure time and the power failure time in the power failure range.
5. The method as claimed in claim 4, wherein the blackout time and the recovery time of the blackout area of the electric meter are blackout time and recovery time of the upper terminal of the electric meter.
6. The method of claim 4, wherein the minimum blackout duration threshold is 1 minute, the maximum blackout duration threshold is 3 days, the blackout duration difference threshold is 15 minutes, the power restoration error threshold is 5 minutes, and the blackout error threshold is 15 minutes.
7. The method as claimed in claim 1, wherein the real-time data of the voltage of the A phase of the transformer area general table or the household table is obtained by means of transmission reading: for a terminal power failure event, summoning the real-time data of the A-phase voltage of the station master table corresponding to the terminal; and for the electricity meter power failure event, recalling the measured A-phase voltage real-time data of the corresponding household meter.
8. The method as claimed in claim 1, wherein the predetermined power outage event accuracy determination rule is: the voltage calling and testing return value is 0 or more than 0 and less than 132.
9. An apparatus for determining an effective power outage event, comprising:
the event message acquisition and analysis module is configured for acquiring a power failure event information message sent by the terminal and analyzing the power failure event information message to obtain power failure event information;
the event validity judging module is configured to judge whether the corresponding power failure event is valid according to the power failure event information obtained by analysis and a preset power failure event validity judging rule;
the real-time voltage calling module is configured for responding to the effectiveness of a power failure event and acquiring real-time data of the voltage of the A phase of the transformer area general table or the household table;
the event accuracy judging module is configured to judge whether the corresponding effective power failure event is accurate or not according to a preset power failure event accuracy judging rule based on the acquired station area general table or the voltage of the A phase of the household table;
and the effective time storage module is configured for responding to the accurate effective power failure event and recording the corresponding power failure event into the effective power failure event database.
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| CN113189437A (en) * | 2021-06-30 | 2021-07-30 | 武汉中原电子信息有限公司 | Detection method for power-off and power-on fault areas of transformer area |
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