CN106780138A - Distribution network failure method for early warning and device - Google Patents
Distribution network failure method for early warning and device Download PDFInfo
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- CN106780138A CN106780138A CN201611151296.2A CN201611151296A CN106780138A CN 106780138 A CN106780138 A CN 106780138A CN 201611151296 A CN201611151296 A CN 201611151296A CN 106780138 A CN106780138 A CN 106780138A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention discloses a kind of distribution network failure method for early warning and device.Wherein, the method includes：State of electric distribution network information is received, wherein, state of electric distribution network information includes an at least class status information；State of electric distribution network information is classified, and every class status information is analyzed；Analysis result according to every class status information is alerted to distribution network failure.Distribution network failure alarm is not comprehensive during the present invention solves correlation technique, the technical problem for causing power distribution network safety in utilization relatively low.
Description
Technical field
The present invention relates to power domain, in particular to a kind of distribution network failure method for early warning and device.
Background technology
At present, power distribution network has become safely the important process of power domain, but, to distribution network failure in correlation technique
Alarming mechanism it is not comprehensive, only important accident can occur to power distribution network, for example fire, electric current are excessive burns Distribution Network Equipment
Etc. fault warning is carried out, potential distribution network failure can not in advance be alerted, can not be to the environmental information of power distribution network
And state of electric distribution network information carries out comprehensive fault pre-alarming.Correlation technique alerts not comprehensive to distribution network failure, it will cause
Power distribution network safety in utilization is relatively low, or even causes serious accident.
Not comprehensive, the problem for causing power distribution network safety in utilization relatively low, mesh for distribution network failure alarm in correlation technique
It is preceding not yet to propose effective solution.
The content of the invention
A kind of distribution network failure method for early warning and device are the embodiment of the invention provides, at least to solve to match somebody with somebody in correlation technique
Electric network fault alarm is not comprehensive, the technical problem for causing power distribution network safety in utilization relatively low.
A kind of one side according to embodiments of the present invention, there is provided distribution network failure alarm method, including：Receive distribution
Net state information, wherein, state of electric distribution network information includes an at least class status information；State of electric distribution network information is classified,
And every class status information is analyzed；Analysis result according to every class status information is alerted to distribution network failure.
Further, state of electric distribution network information includes environment category information in station, wherein, according to the analysis of every class status information
Result carries out alarm to distribution network failure to be included：It is right in the case where the interior environment category information in station meets specific environment alarm conditions
Power distribution network carries out environment alarm, wherein, environment alarm includes at least one of：Gate inhibition illegally accuses into alarm, interior temperature of standing
Pernicious gas is alerted in alert, interior fire alarm of standing, stand interior water damage alarm and station.
Further, state of electric distribution network information includes cable and cable passage category information, wherein, according to every class status information
Analysis result alarm carried out to distribution network failure include：Meet predetermined cable alarm conditions in cable and cable passage category information
In the case of, environment alarm is carried out to power distribution network, wherein, cable alarm includes at least one of：Cable temperature alarm, well lid
Open alarm, water damage alarm, pernicious gas alarm.
Further, state of electric distribution network information includes 10KV equipment category informations, wherein, according to the analysis of every class status information
Result carries out alarm to distribution network failure to be included：Meet the situation of predetermined 10KV equipment alarms condition in 10KV equipment category informations
Under, environment alarm is carried out to power distribution network, wherein, 10KV equipment alarms include at least one of：In main contact arm temperature warning, cabinet
Temperature warning, cable temperature alarm, shelf depreciation alarm, cable head temperature alarm.
Further, state of electric distribution network information includes 0.4KV equipment category informations, wherein, according to dividing for every class status information
Analysis result carries out alarm to distribution network failure to be included：Meet the feelings of predetermined 0.4KV equipment alarms condition in 0.4KV equipment category informations
Under condition, environment alarm is carried out to power distribution network, wherein, 0.4KV equipment alarms include at least one of：Low-voltage cable terminal temperature
Alarm, low pressure power failure alarm, the alarm of low-voltage customer low-voltage, transformer temperature alarm.
Another aspect according to embodiments of the present invention, additionally provides a kind of distribution network failure alarm device, including：Receive single
Unit, for receiving state of electric distribution network information, wherein, state of electric distribution network information includes an at least class status information；Analysis analysis is single
Unit, for classifying to state of electric distribution network information, and is analyzed to every class status information；Alarm Unit, for according to every
The analysis result of class status information is alerted to distribution network failure.
Further, state of electric distribution network information includes environment category information in station, wherein, Alarm Unit includes：First alarm
Module, in the case of meeting specific environment alarm conditions in the interior environment category information in station, environment alarm is carried out to power distribution network, its
In, environment alarm includes at least one of：Gate inhibition illegally enters alarm, interior temperature warning of standing, interior fire alarm of standing, interior water of standing
Pernicious gas alarm in leaching alarm and station.
Further, state of electric distribution network information includes cable and cable passage category information, wherein, Alarm Unit includes：The
Two alarm modules, in the case of meeting predetermined cable alarm conditions in cable and cable passage category information, enter to power distribution network
Row environment is alerted, wherein, cable alarm includes at least one of：Cable temperature alarm, well lid open alarm, water damage alarm,
Pernicious gas is alerted.
Further, state of electric distribution network information includes 10KV equipment category informations, wherein, Alarm Unit includes：3rd alarm
Module, in the case of meeting predetermined 10KV equipment alarms condition in 10KV equipment category informations, environment announcement is carried out to power distribution network
It is alert, wherein, 10KV equipment alarms include at least one of：Main contact arm temperature warning, in-cabinet temperature alarm, cable temperature are accused
Alert, shelf depreciation alarm, cable head temperature alarm.
Further, state of electric distribution network information includes 0.4KV equipment category informations, wherein, Alarm Unit includes：4th alarm
Module, in the case of meeting predetermined 0.4KV equipment alarms condition in 0.4KV equipment category informations, environment is carried out to power distribution network
Alarm, wherein, 0.4KV equipment alarms include at least one of：Low-voltage cable terminal temperature is alerted, low pressure has a power failure alerts, low
The alarm of pressure user low-voltage, transformer temperature alarm.
In embodiments of the present invention, by receiving state of electric distribution network information, wherein, state of electric distribution network information includes at least one
Class status information；State of electric distribution network information is classified, and every class status information is analyzed；According to every class status information
Analysis result distribution network failure is alerted, reached according to state of electric distribution network information classification result to every class status information
The purpose of fault warning is carried out, and then solves in correlation technique distribution network failure alarm not comprehensively, cause power distribution network to use peace
The relatively low technical problem of full property, it is achieved thereby that improving to the comprehensive of distribution network failure detection, and then improves power distribution network
The technique effect of safety in utilization.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of distribution network failure alarm method according to embodiments of the present invention；And
Fig. 2 is the schematic diagram of distribution network failure alarm device according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
According to embodiments of the present invention, there is provided a kind of embodiment of the method for distribution network failure alarm method, it is necessary to explanation
It is that can be performed in the such as one group computer system of computer executable instructions the step of the flow of accompanying drawing is illustrated,
And, although logical order is shown in flow charts, but in some cases, can be performed with different from order herein
Shown or described step.
Fig. 1 is the flow chart of distribution network failure alarm method according to embodiments of the present invention, as shown in figure 1, the method bag
Include following steps：
Step S102, receives state of electric distribution network information, wherein, state of electric distribution network information includes an at least class status information；
Step S104, classifies to state of electric distribution network information, and every class status information is analyzed；
Step S106, the analysis result according to every class status information is alerted to distribution network failure.
By above-mentioned steps, it is possible to achieve carry out failure to every class status information according to state of electric distribution network information classification result
The purpose of alarm, and then solve in correlation technique distribution network failure alarm not comprehensively, cause power distribution network safety in utilization relatively low
Technical problem, it is achieved thereby that improve to distribution network failure detection it is comprehensive, and then improve power distribution network using safety
The technique effect of property.
Used as a kind of alternatively embodiment, state of electric distribution network information can include environment category information in station, wherein, according to every
The analysis result of class status information carries out alarm to distribution network failure can be included：Environment category information meets specific environment in station
In the case of alarm conditions, environment alarm is carried out to power distribution network, wherein, environment alarm includes at least one of：Gate inhibition is illegal
Alerted into alarm, interior temperature warning of standing, interior fire alarm of standing, the interior pernicious gas of interior water damage alarm and station of standing.
Used as a kind of alternatively embodiment, state of electric distribution network information can include cable and cable passage category information, wherein,
Analysis result according to every class status information carries out alarm to distribution network failure can be included：In cable and cable passage category information
In the case of meeting predetermined cable alarm conditions, environment alarm is carried out to power distribution network, wherein, cable alarm include it is following at least it
One：Alarm, water damage alarm, pernicious gas alarm are opened in cable temperature alarm, well lid.
Used as a kind of alternatively embodiment, state of electric distribution network information can include 10KV equipment category informations, wherein, according to every
The analysis result of class status information carries out alarm to distribution network failure can be included：Meet predetermined 10KV in 10KV equipment category informations
In the case of equipment alarm condition, environment alarm is carried out to power distribution network, wherein, 10KV equipment alarms include at least one of：
Main contact arm temperature warning, in-cabinet temperature alarm, cable temperature alarm, shelf depreciation alarm, cable head temperature alarm.
Used as a kind of alternatively embodiment, state of electric distribution network information can include 0.4KV equipment category informations, wherein, according to
Carrying out alarm to distribution network failure per the analysis result of class status information can include：Meet predetermined in 0.4KV equipment category information
In the case of 0.4KV equipment alarm conditions, environment alarm is carried out to power distribution network, wherein, 0.4KV equipment alarms include it is following at least
One of：The alarm of low-voltage cable terminal temperature, low pressure power failure alarm, the alarm of low-voltage customer low-voltage, transformer temperature alarm.
According to embodiments of the present invention, a kind of device embodiment of distribution network failure alarm device is additionally provided, it is necessary to illustrate
, the distribution network failure alarm method that the distribution network failure alarm device can be used in the execution embodiment of the present invention, this hair
Distribution network failure alarm method in bright embodiment can be performed in the distribution network failure alarm device.
Fig. 2 is the schematic diagram of distribution network failure alarm device according to embodiments of the present invention, as shown in Fig. 2 the device can
To include：
Receiving unit 22, for receiving state of electric distribution network information, wherein, state of electric distribution network information includes an at least class state
Information；Analysis analytic unit 24, for classifying to state of electric distribution network information, and is analyzed to every class status information；Accuse
Alert unit 26, for being alerted to distribution network failure according to per the analysis result of class status information.
It should be noted that the receiving unit 22 in the embodiment can be used for performing the step in the embodiment of the present application
S102, the analysis analytic unit 24 in the embodiment can be used for performing the step S104 in the embodiment of the present application, the embodiment
In Alarm Unit 26 can be used for perform the embodiment of the present application in step S106.Above-mentioned module is realized with corresponding step
Example it is identical with application scenarios, but be not limited to above-described embodiment disclosure of that.
Alternatively, state of electric distribution network information can include environment category information in station, wherein, Alarm Unit 26 can include：
First alarm module, in the case of meeting specific environment alarm conditions in the interior environment category information in station, ring is carried out to power distribution network
Border alerts, wherein, environment alarm includes at least one of：Gate inhibition illegally accuses into alarm, interior temperature warning of standing, interior fire of standing
Pernicious gas alarm in alert, stand interior water damage alarm and station.
Alternatively, state of electric distribution network information can include cable and cable passage category information, wherein, Alarm Unit 26 can be with
Including：Second alarm module, in the case of meeting predetermined cable alarm conditions in cable and cable passage category information, to matching somebody with somebody
Power network carries out environment alarm, wherein, cable alarm includes at least one of：Cable temperature alarm, well lid open alarm, water logging
Alarm, pernicious gas alarm.
Alternatively, state of electric distribution network information can include 10KV equipment category informations, wherein, Alarm Unit 26 can include：
3rd alarm module, in the case of meeting predetermined 10KV equipment alarms condition in 10KV equipment category informations, enters to power distribution network
Row environment is alerted, wherein, 10KV equipment alarms include at least one of：Main contact arm temperature warning, in-cabinet temperature alarm, cable
Temperature warning, shelf depreciation alarm, cable head temperature alarm.
Alternatively, state of electric distribution network information can include 0.4KV equipment category informations, wherein, Alarm Unit 26 can include：
4th alarm module, in the case of meeting predetermined 0.4KV equipment alarms condition in 0.4KV equipment category informations, to power distribution network
Environment alarm is carried out, wherein, 0.4KV equipment alarms include at least one of：The alarm of low-voltage cable terminal temperature, low pressure have a power failure
Alarm, the alarm of low-voltage customer low-voltage, transformer temperature alarm.
By said units and module, it is possible to achieve every class status information is entered according to state of electric distribution network information classification result
The purpose of row fault warning, and then solve in correlation technique distribution network failure alarm not comprehensively, cause power distribution network to use safety
Property relatively low technical problem, it is achieved thereby that improving to the comprehensive of distribution network failure detection, and then improve making for power distribution network
With the technique effect of security.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of distribution network failure alarm method, it is characterised in that including：
State of electric distribution network information is received, wherein, the state of electric distribution network information includes an at least class status information；
The state of electric distribution network information is classified, and every class status information is analyzed；
Analysis result according to every class status information is alerted to distribution network failure.
2. method according to claim 1, it is characterised in that the state of electric distribution network information includes environmental classes letter in station
Breath, wherein, the analysis result according to every class status information carries out alarm to distribution network failure to be included：
In the case that environment category information meets specific environment alarm conditions in the station, environment announcement is carried out to the power distribution network
It is alert, wherein, the environment alarm includes at least one of：
Gate inhibition illegally enters alarm, interior temperature warning of standing, interior fire alarm of standing, the interior pernicious gas announcement of interior water damage alarm and station of standing
It is alert.
3. method according to claim 1, it is characterised in that the state of electric distribution network information includes cable and cable passage
Category information, wherein, the analysis result according to every class status information carries out alarm to distribution network failure to be included：
In the case where the cable and cable passage category information meet predetermined cable alarm conditions, ring is carried out to the power distribution network
Border alerts, wherein, the cable alarm includes at least one of：
Alarm, water damage alarm, pernicious gas alarm are opened in cable temperature alarm, well lid.
4. method according to claim 1, it is characterised in that the state of electric distribution network information includes 10KV equipment class letter
Breath, wherein, the analysis result according to every class status information carries out alarm to distribution network failure to be included：
In the case where the 10KV equipment category information meets predetermined 10KV equipment alarms condition, environment is carried out to the power distribution network
Alarm, wherein, the 10KV equipment alarms include at least one of：
Main contact arm temperature warning, in-cabinet temperature alarm, cable temperature alarm, shelf depreciation alarm, cable head temperature alarm.
5. method according to claim 1, it is characterised in that the state of electric distribution network information includes 0.4KV equipment class letter
Breath, wherein, the analysis result according to every class status information carries out alarm to distribution network failure to be included：
In the case where the 0.4KV equipment category information meets predetermined 0.4KV equipment alarms condition, ring is carried out to the power distribution network
Border alerts, wherein, the 0.4KV equipment alarms include at least one of：
The alarm of low-voltage cable terminal temperature, low pressure power failure alarm, the alarm of low-voltage customer low-voltage, transformer temperature alarm.
6. a kind of distribution network failure alarm device, it is characterised in that including：
Receiving unit, for receiving state of electric distribution network information, wherein, the state of electric distribution network information is believed including an at least class state
Breath；
Analysis analytic unit, for classifying to the state of electric distribution network information, and is analyzed to every class status information；
Alarm Unit, for being alerted to distribution network failure according to per the analysis result of class status information.
7. device according to claim 6, it is characterised in that the state of electric distribution network information includes environmental classes letter in station
Breath, wherein, the Alarm Unit includes：
First alarm module, in the case of meeting specific environment alarm conditions for the environment category information in the station, to described
Power distribution network carries out environment alarm, wherein, the environment alarm includes at least one of：
Gate inhibition illegally enters alarm, interior temperature warning of standing, interior fire alarm of standing, the interior pernicious gas announcement of interior water damage alarm and station of standing
It is alert.
8. device according to claim 6, it is characterised in that the state of electric distribution network information includes cable and cable passage
Category information, wherein, the Alarm Unit includes：
Second alarm module, in the case of meeting predetermined cable alarm conditions in the cable and cable passage category information,
Environment alarm is carried out to the power distribution network, wherein, the cable alarm includes at least one of：
Alarm, water damage alarm, pernicious gas alarm are opened in cable temperature alarm, well lid.
9. device according to claim 6, it is characterised in that the state of electric distribution network information includes 10KV equipment class letter
Breath, wherein, the Alarm Unit includes：
3rd alarm module, it is right in the case of meeting predetermined 10KV equipment alarms condition in the 10KV equipment category information
The power distribution network carries out environment alarm, wherein, the 10KV equipment alarms include at least one of：
Main contact arm temperature warning, in-cabinet temperature alarm, cable temperature alarm, shelf depreciation alarm, cable head temperature alarm.
10. device according to claim 6, it is characterised in that the state of electric distribution network information includes 0.4KV equipment class letter
Breath, wherein, the Alarm Unit includes：
4th alarm module, in the case of meeting predetermined 0.4KV equipment alarms condition in the 0.4KV equipment category information,
Environment alarm is carried out to the power distribution network, wherein, the 0.4KV equipment alarms include at least one of：
The alarm of low-voltage cable terminal temperature, low pressure power failure alarm, the alarm of low-voltage customer low-voltage, transformer temperature alarm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611151296.2A CN106780138A (en) | 2016-12-13 | 2016-12-13 | Distribution network failure method for early warning and device |
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|---|---|---|---|
| CN201611151296.2A CN106780138A (en) | 2016-12-13 | 2016-12-13 | Distribution network failure method for early warning and device |
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| CN201611151296.2A Pending CN106780138A (en) | 2016-12-13 | 2016-12-13 | Distribution network failure method for early warning and device |
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Cited By (4)
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| CN108537415A (en) * | 2018-03-20 | 2018-09-14 | 深圳市泰和安科技有限公司 | A kind of distribution method, the apparatus and system of online safety utilization of electric power |
| CN113625096A (en) * | 2021-06-22 | 2021-11-09 | 国网辽宁省电力有限公司大连供电公司 | Fault positioning and early warning method for power distribution network |
| CN114152825A (en) * | 2021-11-16 | 2022-03-08 | 国网北京市电力公司 | Fault diagnosis method and device of transformer and fault diagnosis system of transformer |
| CN114386767A (en) * | 2021-12-14 | 2022-04-22 | 南通联拓信息科技有限公司 | Fault early warning method and system for power distribution operation and maintenance management system |
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Application publication date: 20170531 |