CN110212645A - A kind of power information acquisition terminal power-off event report method and device - Google Patents
A kind of power information acquisition terminal power-off event report method and device Download PDFInfo
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- CN110212645A CN110212645A CN201910537722.3A CN201910537722A CN110212645A CN 110212645 A CN110212645 A CN 110212645A CN 201910537722 A CN201910537722 A CN 201910537722A CN 110212645 A CN110212645 A CN 110212645A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
Abstract
The present invention discloses a kind of power information acquisition terminal power-off event report method and device, this method step includes: the supply voltage of S1. real-time monitoring acquisition terminal, judge whether acquisition terminal occurs to have a power failure, send a telegram in reply, and generates corresponding power-off event, telegram in reply event；S2. the corresponding power off time of power-off event is obtained respectively and the telegram in reply event corresponding telegram in reply time is tentatively judged, if not judging exception, is transferred to and is executed step S3；S3. it controls acquisition terminal and calls the voltage data of scaffold tower area summary table and the real-time voltage data of multiple user's electric energy meters together, the comprehensive power-off event for calling the voltage data judgement generation measured together, if not judging exception, is transferred to the presence or absence of exception and executes step S4；S4. the power-off event being currently generated is reported.The present invention has many advantages, such as that implementation method is simple, reports accuracy height, rate of false alarm low and flexible in application.
Description
Technical field
The present invention relates to power information acquisition system technical field more particularly to a kind of power information acquisition terminal power failure things
Part report method and device.
Background technique
Power distribution network may have a power failure in the process of running because of failure and other reasons, and power failure will affect the normal of user
It uses, the active repairing to power distribution network is usually that the power distribution station based on power information acquisition system exchanges power loss signal.Mesh
It is preceding that power-off event is reported, it is usually all that power-off event alarm signal is generated by terminal after detecting that power failure occurs, directly
The power-off event alarm signal of generation is sent to main website, the power-off event alarm signal that main website is reported according to the terminal received
Determine the generation having a power failure.But actually acquisition terminal generates in power-off event, it may be possible to due to the abnormal thing of the generations such as failure
Part, such as record stop/power on as empty or messy code, or without the power failure anomalous event in short-term of processing, such as transient fault or distant
Letter shake, above-mentioned power failure report method is only directly to report all power-off events that terminal generates, so that main website receives
The platform area power-off event arrived may have a large amount of wrong report, seriously affect the accuracy rate that failure is studied and judged.Thus it is urgent to provide
A kind of power information acquisition terminal power-off event report method makes it possible to improve the accuracy rate of power-off event, reduces wrong report, from
And improve the accuracy rate that failure is studied and judged.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one
Kind of implementation method is simple, report that accuracy is high, rate of false alarm is low and power information acquisition terminal power-off event flexible in application on
Reporting method and device.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of power information acquisition terminal power-off event report method, step include:
S1. power-off event generates: the supply voltage of real-time monitoring acquisition terminal, is adopted according to the supply voltage judgement monitored
Whether collection terminal, which occurs, has a power failure, telegram in reply, and generates corresponding power-off event, telegram in reply event when determining and power failure, telegram in reply occurring；
S2. preliminary screening: the corresponding power off time of the power-off event is obtained respectively and the telegram in reply event is corresponding
The telegram in reply time is tentatively judged, if not judging exception, is transferred to and is executed step S3；
S3. voltage data and multiple user's electric energy meters that the acquisition terminal calls scaffold tower area summary table together comprehensive analysis: are controlled
Real-time voltage data, it is comprehensive to call the power-off event that the voltage data judgement measured generates together with the presence or absence of abnormal, if not sentencing
It is disconnected abnormal out, it is transferred to and executes step S4；
S4. power-off event reports: the power-off event being currently generated is reported.
As a further improvement of the present invention, the step of step S1 includes: and works as to monitor that the supply voltage is lower than
When default power failure voltage threshold, determines that acquisition terminal has a power failure, generate corresponding power-off event, after generating the power-off event,
When monitoring that the supply voltage is higher than default telegram in reply voltage threshold, determines acquisition terminal telegram in reply, generate corresponding telegram in reply thing
Part.
As a further improvement of the present invention, when tentatively being judged in the step S2, including when judging the power failure
Between it is described telegram in reply the time between precedence relationship, judge the power off time and it is described send a telegram in reply the time data format whether just
Really and judge whether the duration of the power off time meets one of preset requirement or a variety of.
As a further improvement of the present invention, when tentatively being judged in the step S2, if specifically meeting the telegram in reply
Time earlier than the power off time, meet the power off time and/or the telegram in reply time format mistake and meet described in stop
The duration of electric time is less than default when stopping any one or more in single time minimum significant interval, determines the power failure
Event exists abnormal.
As a further improvement of the present invention, further include whether setting event is normally marked after the step S1, before step S2
Will position and/or event whether effective marker position, wherein described in when the power-off event is specified in duration after generating without telegram in reply event
The whether normal flag bit of event corresponds to normally, the power-off event be corresponding with when telegram in reply event the event whether effective marker
Position corresponds to effectively；When tentatively being judged in the step S2, further include according to the whether normal flag bit of the event and/or
Whether effective marker position carries out auxiliary judgment with the presence or absence of abnormal to the power-off event to event.
As a further improvement of the present invention, judge the power-off event generated with the presence or absence of abnormal in the step S3
The step of include: that will call the real-time voltage data of the voltage data of the platform area summary table measured, each user's electric energy meter and pre- together respectively
If power failure voltage threshold is compared, comprehensive comparison determines the power-off event with the presence or absence of exception, wherein described default
Power failure voltage threshold is to configure to obtain according to the reference voltage of designated ratio.
As a further improvement of the present invention: judging the power-off event generated with the presence or absence of abnormal in the step S3
When, if the voltage data of specific described area's summary table is less than the default power failure voltage threshold, and there are at least one user electricity
The real-time voltage data of energy table are lower than the default power failure voltage threshold, determine that the power-off event does not have exception, otherwise sentence
The fixed power-off event exists abnormal.
As a further improvement of the present invention, it if judging to have exception in step S2, S3, controls the institute of generation
Power-off event is stated to be locally stored and without reporting.
A kind of power information acquisition terminal power-off event reporting device, comprising:
Power-off event generation module, for the supply voltage of real-time monitoring acquisition terminal, according to the supply voltage monitored
Judge whether acquisition terminal occurs to have a power failure, telegram in reply, and determine occur to have a power failure, telegram in reply when generate corresponding power-off event, multiple
Electric event；
Preliminary screening module, for obtaining the corresponding power off time of the power-off event and the telegram in reply event pair respectively
The telegram in reply time answered tentatively is judged, if not judging exception, is transferred to and is executed step S3；
Comprehensive analysis module calls the voltage data and multiple users electricity of scaffold tower area summary table together for controlling the acquisition terminal
The real-time voltage data of energy table, the comprehensive power-off event for calling the voltage data judgement generation measured together whether there is exception, if
Exception is not judged, is transferred to and is executed step S4；
Power-off event reporting module, for reporting the power-off event being currently generated.
A kind of power information acquisition terminal power-off event reporting device, including computer equipment, the computer equipment quilt
Be programmed to carry out such as the step of the above method or be stored on the storage medium of the computer equipment be programmed to perform it is above-mentioned
The computer program of method.
Compared with the prior art, the advantages of the present invention are as follows:
1, power information acquisition terminal power-off event report method and device of the present invention, by stopping telegram in reply event in generation
Afterwards, successively by based on the time that stops sending a telegram in reply preliminary screening, whether power-off event is judged based on the comprehensive analysis of voltage data
It is abnormal, abnormal power-off event is screened in conjunction with deterministic process twice, only when not there is exception after judging twice
When just power-off event is reported, a large amount of false positive event can be filtered out, greatly improve the accuracy that power-off event reports,
The generation of wrong report is reduced, to greatly improve the accuracy rate that failure is studied and judged.
2, power information acquisition terminal power-off event report method and device of the present invention, it is first sharp after generating power-off event
It is formed logic etc. with telegram in reply is stopped and is carried out preliminary screening, actively called scaffold tower area summary table after preliminary screening together by acquisition terminal again and user is electric
The real-time voltage data of energy table carry out comprehensive descision, and the telegram in reply event of stopping that can make full use of acquisition terminal forms logic to identify
Abnormal power-off event optimizes the reporting policy of acquisition terminal power-off event.
3, whether power information acquisition terminal power-off event report method and device of the present invention further pass through setting event
Normal flag bit, event whether effective marker position, assist quickly judging in specified duration without telegram in reply event, nothing using flag bit
The abnormal power-off event of corresponding telegram in reply event.
Detailed description of the invention
Fig. 1 is the implementation process schematic diagram of the present embodiment power information acquisition terminal power-off event report method.
Fig. 2 is the schematic illustration for stopping the generation of telegram in reply event in the present embodiment.
Specific embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
It limits the scope of the invention.
As shown in Figure 1, the step of the present embodiment power information acquisition terminal power-off event report method, includes:
S1. power-off event generates: the supply voltage of real-time monitoring acquisition terminal, is adopted according to the supply voltage judgement monitored
Whether collection terminal, which occurs, has a power failure, telegram in reply, and generates corresponding power-off event, telegram in reply event when determining and power failure, telegram in reply occurring；
S2. preliminary screening: the corresponding power off time of power-off event and telegram in reply event corresponding telegram in reply time are obtained respectively
Tentatively judged, if not judging exception, is transferred to and executes step S3；
S3. voltage data and multiple user's electric energy meters that the acquisition terminal calls scaffold tower area summary table together comprehensive analysis: are controlled
Real-time voltage data, it is comprehensive to call the power-off event that the voltage data judgement measured generates together with the presence or absence of abnormal, if not sentencing
It is disconnected abnormal out, it is transferred to and executes step S4；
S4. power-off event reports: the power-off event being currently generated is reported.
The present embodiment is reported for power information acquisition terminal power-off event, by after generation stops telegram in reply event, according to
Whether secondary process is abnormal based on stopping the preliminary screening of telegram in reply time, judging power-off event based on the comprehensive analysis of voltage data,
Abnormal power-off event is screened in conjunction with deterministic process twice, only just will when not having exception after judging twice
Power-off event is reported, and a large amount of false positive event can be filtered out, and greatly improves the accuracy that power-off event reports, and is reduced and is missed
The generation of report, to greatly improve the accuracy rate that failure is studied and judged.
In the present embodiment, the step of step S1 includes: to sentence when monitoring that supply voltage is lower than default power failure voltage threshold
Determine acquisition terminal power failure, generate corresponding power-off event, after generating power-off event, is preset again when monitoring that supply voltage is higher than
When piezoelectric voltage threshold value, determines acquisition terminal telegram in reply, generate corresponding telegram in reply event.
In concrete application embodiment, the reference voltage configuration power failure voltage threshold and telegram in reply voltage threshold of fetching certainty ratio
Value preferably takes 60% reference voltage as 2 piezoelectric voltage threshold values are stopped, and takes 80% reference voltage as telegram in reply threshold value, stops thing of sending a telegram in reply
Part is generated as shown in Fig. 2 and table 1.
Table 1: power-off event generates.
In the present embodiment, when tentatively being judged in step S2, including the elder generation for judging power off time between the time of sending a telegram in reply
Relationship afterwards, if the telegram in reply time then determines there is exception earlier than the power off time.The logic for stopping the formation of telegram in reply event is: working as end
Terminal power-off event is generated when lower than power failure voltage limits occur for end supply voltage works as supply voltage after generating power-off event
Higher than after service restoration voltage limits generate telegram in reply event, i.e., telegram in reply event must be later than power-off event, if telegram in reply event earlier than
Then there is exception in power-off event.The present embodiment makes full use of the telegram in reply event of stopping of acquisition terminal to form logic to identify abnormal power failure
Event, to optimize the reporting policy of acquisition terminal power-off event.
It is above-mentioned when tentatively being judged, it further include judging whether power off time and the data format for time of sending a telegram in reply are correct, such as
It whether is the wrong data such as empty or messy code.
It is above-mentioned when tentatively being judged, further include judge whether the duration of power off time meets preset requirement, wherein
The duration of power off time is to power on Time To Event-power-off event time of origin, as the power-off event duration is small
Minimum significant interval is preset in power off time, then is judged to the abnormal power-off event of transient fault or telesignalling dithering etc., when power failure
Between minimum significant interval can specifically be configured according to actual needs.
In the present embodiment, when tentatively being judged in step S2, if specifically meeting following any one: the telegram in reply time earlier than
Power off time meets power off time and/or sends a telegram in reply and time format mistake or meets duration of power off time and be less than default stop
It is abnormal then to determine that power-off event exists for single time minimum significant interval.Through the above steps, quickly preliminary screening can go out to patrol
Collect stopping in short-term for power-off event, transient fault or the telesignalling ditherings of wrong data such as power-off event, sky or the messy code of mistake etc.
Electric event, the mistake for reducing unnecessary comprehensive descision step and abnormal power-off event report.
It is above-mentioned to power-off event after preliminary screening, if being judged as abnormal power-off event, terminal is only locally stored, and
By the normal mark position 0 of event, power-off event not on give；If not judging there is exception, thens follow the steps S3 and carry out comprehensive analysis
To further determine the validity of event.
It further include whether the whether normal flag bit of setting event, event are effective in the present embodiment, after step S1, before step S2
Flag bit, the whether normal flag bit of event corresponds to normally when specified in duration after wherein power-off event generates without telegram in reply event,
Whether effective marker position corresponds to effectively event when power-off event is corresponding with telegram in reply event；When tentatively being judged in step S2,
It further include that whether effective marker position carries out the power-off event with the presence or absence of abnormal according to the whether normal flag bit of event, event
Auxiliary judgment can use flag bit auxiliary and quickly judge in specified duration without telegram in reply event, without the different of corresponding telegram in reply event
Normal power-off event.
In concrete application embodiment, event whether normal flag bit configure when, if with adopt terminal generate power-off event after,
There is telegram in reply event as normal after waiting preset duration, is otherwise exception；Event whether effective marker position configure when, if power failure thing
Part is corresponding with that telegram in reply event is as effective, and user's acquisition system is stopped by platform area, the matching of multiplexed electrical signal generates effective marker.
In the above-mentioned preliminary screening step of the present embodiment, can also further configure filter out due to terminal be restarted automatically etc. it is non-
The power-off event that mistake generates under external power supply power blackout situation is restarted automatically etc. under non-external power supply power blackout situation to avoid terminal
Mistake power-off event generated reports.
In the present embodiment, judging that the power-off event generated whether there is abnormal step in step S3 includes: that will call together respectively
The voltage data of the platform area summary table measured, each user's electric energy meter real-time voltage data and default power failure voltage threshold compare
Compared with comprehensive comparison determines that power-off event, can be with the voltage data of all-in one desk area summary table, user's electric energy meter with the presence or absence of exception
Real-time voltage data identify abnormal power-off event.
In the present embodiment, when judging the power-off event generated in step S3 with the presence or absence of exception, specific Ruo Tai Qu is total
The voltage data of table is less than the default power failure threshold value, and there are the real-time voltage data of at least one user's electric energy meter to be lower than institute
Default power failure threshold value is stated, determines that the power-off event does not have exception, it is abnormal otherwise to determine that the power-off event exists.By step
It is judged to sending on power-off event without exception to electricity information acquisition system master station after rapid S3, is locally stored simultaneously, and by event
Normal mark position 1.If judging there is exception in above-mentioned steps S2, S3, the power-off event of generation is carried out local deposit by control
Storage and without reporting, by the normal mark position 0 of event.
In concrete application embodiment, the decision logic of comprehensive analysis specifically:
1) platform area summary table voltage is lower than 60% reference voltage (power failure threshold voltage), and calls together in user's electric energy meter of survey at least
There are the real-time voltage data an of table to be lower than default power failure threshold voltage, then determines that power-off event is normal, and event is normally marked
Will position 1 is sent to electricity information acquisition system master station on power-off event.
2) platform area summary table voltage is unsatisfactory for user's electric energy meter real-time voltage lower than 60% reference voltage condition or called together survey
Data are above 60% reference voltage, then determine power-off event exception, power-off event is only locally stored, and event is normally marked
Will position 0, power-off event not on give.
The present embodiment is by forming the progress preliminary screening such as logic first with telegram in reply is stopped, tentatively after generating power-off event
The real-time voltage data for actively calling scaffold tower area summary table and user's electric energy meter after screening together by acquisition terminal again carry out comprehensive descision, pass through
Power-off event after preliminary screening and comprehensive analysis just on send to electricity information acquisition system master station, abnormal power-off event is not
Send, can effectively improve the precision that power-off event reports, avoid the generation largely reported by mistake.
The present embodiment power information acquisition terminal power-off event reporting device, comprising:
Power-off event generation module, for the supply voltage of real-time monitoring acquisition terminal, according to the supply voltage monitored
Judge whether acquisition terminal occurs to have a power failure, telegram in reply, and determine occur to have a power failure, telegram in reply when generate corresponding power-off event, multiple
Electric event；
Preliminary screening module, for obtaining the corresponding power off time of the power-off event and the telegram in reply event pair respectively
The telegram in reply time answered tentatively is judged, if not judging exception, is transferred to and is executed step S3；
Comprehensive analysis module calls the voltage data and multiple users electricity of scaffold tower area summary table together for controlling the acquisition terminal
The real-time voltage data of energy table, the comprehensive power-off event for calling the voltage data judgement generation measured together whether there is exception, if
Exception is not judged, is transferred to and is executed step S4；
Power-off event reporting module, for reporting the power-off event being currently generated.
The present embodiment power information acquisition terminal power-off event reporting device and above-mentioned power information acquisition terminal power failure thing
Part report method corresponds, and this is no longer going to repeat them.
The present embodiment power information acquisition terminal power-off event reporting device can also be including computer equipment, calculate
Machine equipment is programmed to perform to be stored on the storage medium of the step of above method or the computer equipment and is programmed to hold
The computer program of the row above method.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (10)
1. a kind of power information acquisition terminal power-off event report method, which is characterized in that step includes:
S1. power-off event generates: the supply voltage of real-time monitoring acquisition terminal, eventually according to the supply voltage judgement acquisition monitored
Whether end, which occurs, has a power failure, telegram in reply, and generates corresponding power-off event, telegram in reply event when determining and power failure, telegram in reply occurring；
S2. preliminary screening: the corresponding power off time of the power-off event and the corresponding telegram in reply of the telegram in reply event are obtained respectively
Time is tentatively judged, if not judging exception, is transferred to and is executed step S3；
S3. it comprehensive analysis: controls the acquisition terminal and calls the voltage data of scaffold tower area summary table and the reality of multiple user's electric energy meters together
When voltage data, it is comprehensive to call the power-off event that the voltage data judgement measured generates together with the presence or absence of abnormal, if not judging
It is abnormal, it is transferred to and executes step S4；
S4. power-off event reports: the power-off event being currently generated is reported.
2. power information acquisition terminal power-off event report method according to claim 1, which is characterized in that the step
The step of S1 includes: to determine that acquisition terminal has a power failure when monitoring that the supply voltage is lower than default power failure voltage threshold, generate
Corresponding power-off event presets telegram in reply voltage threshold when monitoring that the supply voltage is higher than after generating the power-off event
When, determine acquisition terminal telegram in reply, generates corresponding telegram in reply event.
3. power information acquisition terminal power-off event report method according to claim 1, which is characterized in that the step
When tentatively being judged in S2, including judging described in the precedence relationship between the power off time and the telegram in reply time, judgement
Whether the data format of power off time and the telegram in reply time are correct and judge whether the duration of the power off time accords with
Close one of preset requirement or a variety of.
4. power information acquisition terminal power-off event report method according to claim 3, which is characterized in that the step
When tentatively being judged in S2, if specifically meet the telegram in reply time earlier than the power off time, meet the power off time and/
Or the telegram in reply time format mistake and meets duration of the power off time and be less than that default to stop single time minimum effectively
When any one or more in interval, it is abnormal to determine that the power-off event exists.
5. power information acquisition terminal power-off event report method, feature described according to claim 1~any one of 4
Be, further include after the step S1, before step S2 the whether normal flag bit of setting event and/or event whether effective marker
Position, wherein the whether normal flag bit correspondence of event is positive when specified in duration after power-off event generation without telegram in reply event
Often, whether effective marker position corresponds to effectively the event when power-off event is corresponding with telegram in reply event；In the step S2
It further include that whether effective marker position is to described according to the whether normal flag bit of the event and/or event when tentatively being judged
Power-off event carries out auxiliary judgment with the presence or absence of abnormal.
6. power information acquisition terminal power-off event report method, feature described according to claim 1~any one of 4
It is, judging that the power-off event generated whether there is abnormal step in the step S3 includes: that will call together to measure respectively
The voltage data of platform area summary table, the real-time voltage data of each user's electric energy meter be compared with default power failure voltage threshold, it is comprehensive
Composition and division in a proportion whether there is exception compared with power-off event described in result judgement, wherein the default power failure voltage threshold is according to designated ratio
Reference voltage configure to obtain.
7. power information acquisition terminal power-off event report method according to claim 5, it is characterised in that: the step
When judging the power-off event generated in S3 with the presence or absence of exception, if the voltage data of specific described area's summary table is less than described
Default power failure voltage threshold, and there are the real-time voltage data of at least one user's electric energy meter to be lower than the default power failure voltage threshold
Value, determines that the power-off event does not have exception, and it is abnormal otherwise to determine that the power-off event exists.
8. power information acquisition terminal power-off event report method, feature described according to claim 1~any one of 4
It is, if judging to exist abnormal in step S2, S3, control the power-off event of generation is locally stored and not
It is reported.
9. a kind of power information acquisition terminal power-off event reporting device characterized by comprising
Power-off event generation module judges for the supply voltage of real-time monitoring acquisition terminal according to the supply voltage monitored
Whether acquisition terminal, which occurs, has a power failure, telegram in reply, and corresponding power-off event, telegram in reply thing are generated when determining and power failure, telegram in reply occurring
Part；
Preliminary screening module, it is corresponding for obtaining the corresponding power off time of the power-off event and the telegram in reply event respectively
The telegram in reply time is tentatively judged, if not judging exception, is transferred to and is executed step S3；
Comprehensive analysis module calls the voltage data and multiple user's electric energy meters of scaffold tower area summary table together for controlling the acquisition terminal
Real-time voltage data, it is comprehensive to call the power-off event that the voltage data judgement measured generates together with the presence or absence of abnormal, if not sentencing
It is disconnected abnormal out, it is transferred to and executes step S4；
Power-off event reporting module, for reporting the power-off event being currently generated.
10. a kind of power information acquisition terminal power-off event reporting device, including computer equipment, which is characterized in that the meter
Machine equipment is calculated to be programmed to perform such as the step of any one of claim 1~8 the method or the computer equipment
The computer program for being programmed to perform any one of claim 1~8 the method is stored on storage medium.
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| CN110740190A (en) * | 2019-10-28 | 2020-01-31 | 宁波三星智能电气有限公司 | Event reporting method, power terminal and computer readable storage medium |
| CN111142047A (en) * | 2019-12-31 | 2020-05-12 | 国网河北省电力有限公司 | Automatic studying and judging method based on power distribution internet of things power failure |
| CN111257623A (en) * | 2020-02-28 | 2020-06-09 | 上海金智晟东电力科技有限公司 | Non-contact low-voltage power failure sensing device |
| CN111562460A (en) * | 2020-03-24 | 2020-08-21 | 广东电网有限责任公司广州供电局 | Power distribution network power failure event detection research and judgment method, device, computer equipment and medium |
| 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 |
| CN113313930A (en) * | 2021-05-17 | 2021-08-27 | 南京林洋电力科技有限公司 | Terminal power failure data reporting method |
| CN113533832A (en) * | 2021-06-11 | 2021-10-22 | 中国电力科学研究院有限公司 | Power failure sensing method and system for platform area users based on intelligent Internet of things agent |
| CN113589103A (en) * | 2021-08-03 | 2021-11-02 | 贵州电网有限责任公司 | Method for judging power failure of user in real time based on terminal power failure alarm |
| CN113793232A (en) * | 2021-09-22 | 2021-12-14 | 国网安徽省电力有限公司电力科学研究院 | Low-voltage power grid first-aid repair, operation and maintenance management method and system combining real-time power failure and power restoration information |
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