CN110490762A - A kind of user based on big data analysis reports the automatic analysis method of failure for repairment - Google Patents

A kind of user based on big data analysis reports the automatic analysis method of failure for repairment Download PDF

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Publication number
CN110490762A
CN110490762A CN201910745993.8A CN201910745993A CN110490762A CN 110490762 A CN110490762 A CN 110490762A CN 201910745993 A CN201910745993 A CN 201910745993A CN 110490762 A CN110490762 A CN 110490762A
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power
failure
repairment
user
information
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施明泰
许中平
李欣
于希永
曹鹏飞
甘永平
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Beijing Netstone Accenture Information Technology Co Ltd
State Grid Information and Telecommunication Co Ltd
National Network Information and Communication Industry Group Co Ltd
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Beijing Netstone Accenture Information Technology Co Ltd
National Network Information and Communication Industry Group Co Ltd
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Priority to CN201910745993.8A priority Critical patent/CN110490762A/en
Publication of CN110490762A publication Critical patent/CN110490762A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06Energy or water supply
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/0677Localisation of faults
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/50Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Economics (AREA)
  • Databases & Information Systems (AREA)
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  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

The invention discloses a kind of users based on big data analysis to report the automatic analysis method of failure for repairment, based on power consumer troublshooting work order, the ammeter of fusion user and distribution transforming calls measured data, two distant real time datas of distribution line together, has a power failure and report and submit the distributions operation datas such as information, demand charge information and service management information, utilize power grid topological relation and big data analysis, auxiliary studies and judges the information such as fault outage type, power failure coverage, fault section, to promote fault location speed, breakdown repair efficiency is improved.The auxiliary tone operation of depth integration of the present invention battalion and management data, with carry out user report for repairment failure precisely study and judge and fault section location to promote fault location speed improves breakdown repair efficiency, precisely studies and judges fault type and fault section.

Description

A kind of user based on big data analysis reports the automatic analysis method of failure for repairment
[technical field]
The invention belongs to electrical engineering technical field, it is related to a kind of user based on big data analysis and reports failure for repairment grinding automatically Sentence method.
[background technique]
Since distribution supervision equipment level of coverage is inadequate, battalion's auxiliary tone data fusion is insufficient, it is difficult to grasp distribution operation comprehensively Situation influences distribution net equipment failure and stoppage in transit etc. the harsh conditions powered to power consumer, it is difficult to realizing at the first time, It is reported for repairment mainly by user and passively to carry out corresponding repairing work.Since distribution operating condition, current failure can not be grasped comprehensively It studies and judges and positions work and rely primarily on repair personnel scene investigation, when fault condition is complex, malfunction elimination is taken a long time, The development of repairing work will greatly be influenced, limit the promotion of first-aid repair efficiency.This system matches adjusting data by fusion battalion, provides one Kind reports the automatic analysis method of failure for repairment based on big data analysis, can be accurately positioned fault section, to promote fault location speed Degree improves breakdown repair efficiency.
[summary of the invention]
It is an object of the invention to the auxiliary tone operation of depth integration battalion and management data, provide a kind of based on big data analysis User reports the automatic analysis method of failure for repairment, precisely studying and judging and fault section location for failure is reported for repairment to carry out user, to be promoted Fault location speed improves breakdown repair efficiency.
In order to achieve the above objectives, the present invention is achieved by the following scheme:
A kind of user based on big data analysis reports the automatic analysis method of failure for repairment, comprising the following steps:
Step 1: after receiving power consumer troublshooting work order, according to power grid static state and dynamic data, identifying and lock this Power consumer;
Step 2: obtaining the electricity charge information of the power consumer, judge whether user is that arrearage has a power failure, if so, feedback arrearage Outage information, it is no to then follow the steps 3;
Step 3: according to power grid topological relation, obtaining the distribution transformer of the power consumer upstream, report and submit letter in conjunction with power failure Breath judges the distribution transforming whether in known scope of power outage, no to then follow the steps 5 if so, then follow the steps 4;
Step 4: according to power failure report and submit information judge power failure type for scheduled outage, temporary interruption and supplying more than the planned quota ration the power supply etc. it is non-therefore Barrier has a power failure or fault outage;If fault outage, it is whether related in way work order to study and judge the failure, if having in way work order, Then merge work order;
Step 5: it calls the Source of Gateway Meter for surveying the distribution transforming together, judges whether the distribution transforming is charged, if distribution transforming power loss, then follow the steps 6, it is no Then follow the steps 7;
Step 6: according to power grid topological relation, obtaining the basic routing line and branched line of the distribution transforming upstream;
Step 7: range shorter to power consumer is studied and judged.
A further improvement of the present invention lies in that:
In step 1, power grid static data includes that grid equipment account in PMS2.0 and its incidence relation, power grid GIS are flat Equipment topological connection relation in platform, the equipment files in sales service application system, files on each of customers and arrearage information.
Files on each of customers include in every family number, station address and user contact details.
In step 1, power grid dynamic data include switch operating status in power distribution automation and dispatch automated system and The user for stopping powering on event and calling together in measurement information and customer service system in protection act information, power information acquisition system reports work for repairment Single information.
The specific method is as follows for the basic routing line and branched line that step 6 obtains the distribution transforming upstream:
It 6-1) calls the switch operation data for surveying basic routing line together, judges whether backbone charges;If basic routing line power loss, just Step is determined as basic routing line failure;If backbone charges, calls the switch operation data for surveying branched line together, judge that branched line is No electrification;
If 6-2) branched line power loss, preliminary judgement is branched line failure;If separated time route charges, preliminary judgement For distribution transforming failure.
The method that step 7 power consumer is studied and judged is as follows:
It 7-1) calls survey electric supply meter together, judges whether the power consumer ammeter charges, if ammeter charges, preliminary judgement is should Power consumer internal fault;If ammeter power loss, range extends to other users under access point and is studied and judged;
It 7-2) calls together and surveys other users ammeter under access point, judge whether other users ammeter charges, if other users ammeter Electrification, then be access point to user malfunction;If other users ammeter power loss, for fading to access point failure.
Compared with prior art, the invention has the following advantages:
The present invention is based on power consumer troublshooting work order, the ammeter for merging user and distribution transforming calls measured data, distribution line together Two distant real time datas, have a power failure report and submit the distributions operation datas such as information, demand charge information and service management information, utilize power grid Topological relation and big data analysis, auxiliary studies and judges the information such as fault outage type, power failure coverage, fault section, to mention Fault location speed is risen, breakdown repair efficiency is improved.Depth integration battalion auxiliary tone operation of the present invention and management data, to carry out user It reports precisely studying and judging and fault section location for failure for repairment, to promote fault location speed, improves breakdown repair efficiency, precisely grind Sentence fault type and fault section.
[Detailed description of the invention]
Fig. 1 is flow chart of the invention.
[specific embodiment]
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, the embodiment being not all of, and it is not intended to limit range disclosed by the invention.In addition, with In lower explanation, descriptions of well-known structures and technologies are omitted, obscures concept disclosed by the invention to avoid unnecessary.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment should fall within the scope of the present invention.
The various structural schematic diagrams for disclosing embodiment according to the present invention are shown in the attached drawings.These figures are not in proportion It draws, wherein some details are magnified for the purpose of clear expression, and some details may be omitted.As shown in the figure The shape in various regions, layer and relative size, the positional relationship between them out is merely exemplary, in practice may be due to Manufacturing tolerance or technical restriction and be deviated, and those skilled in the art may be additionally designed as required have not Similar shape, size, the regions/layers of relative position.
In context disclosed by the invention, when one layer/element is referred to as located at another layer/element "upper", the layer/element Can may exist intermediate layer/element on another layer/element or between them.In addition, if in a kind of court One layer/element is located at another layer/element "upper" in, then when turn towards when, the layer/element can be located at another layer/ Element "lower".
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that equipment is intrinsic.
The invention will be described in further detail with reference to the accompanying drawing:
Referring to Fig. 1, the present invention is based on the users of big data analysis to report the automatic analysis method of failure and system for repairment, including following Step:
Step 1: after receiving power consumer troublshooting work order, according to in every family number, station address, user contact details Etc. repairing informations, identify and lock the power consumer.
Step 2: obtaining the electricity charge information of the power consumer, judge whether user is that arrearage has a power failure.
Step 3: if the non-arrearage of user has a power failure, according to power grid topological relation, the distribution for obtaining the power consumer upstream becomes Whether depressor reports and submits information in conjunction with power failure, judge the distribution transforming in known scope of power outage.
Step 4: if the distribution transforming of user upstream reports and submits information to judge power failure type for meter in known scope of power outage, according to power failure Draw have a power failure, temporary interruption and supplying more than the planned quota is rationed the power supply etc., and non-faulting have a power failure or fault outage.If fault outage, need to further study and judge Whether the failure is related in way work order, if having in way work order, it is proposed that merges work order.
Step 5: if the Source of Gateway Meter for surveying the distribution transforming not in known scope of power outage, is called in the distribution transforming of user upstream together, judging the distribution transforming Whether charge.
Step 6: if distribution transforming power loss, according to power grid topological relation, obtaining the basic routing line and branch line of the distribution transforming upstream Road.
1) it calls the switch operation data for surveying basic routing line together, judges whether backbone charges.If basic routing line power loss, tentatively It is determined as basic routing line failure;If backbone charges, further calls the switch operation data for surveying branched line together, judge branch line Whether road is charged.
If 2) branched line power loss, preliminary judgement is branched line failure;If separated time route charges, preliminary judgement is Distribution transforming failure.
Step 7: if distribution transforming is charged, range shorter to user is further studied and judged.
1) it calls survey electric supply meter together, judges whether the power consumer ammeter charges, if ammeter charges, preliminary judgement is the electricity Power user's internal fault;If ammeter power loss, range extends to other users under access point and further studies and judges.
2) it calls together and surveys other users ammeter under access point, judge whether other users ammeter charges, if other users ammeter band Electricity is then access point to user malfunction;If other users ammeter power loss, for fading to access point failure.
Data collection layer of the present invention mainly acquires all kinds of power grids static state and dynamic data, supports studying and judging automatically for failure.Its Middle static data includes the equipment Topology connection in grid equipment account and its incidence relation, power network GIS platform in PMS2.0 Relationship, the equipment files in sales service application system, files on each of customers and arrearage information;Dynamic data include power distribution automation and In switch operating status and protection act information, power information acquisition system in dispatch automated system stop powering on event and Call measurement information together, the user in 95598 customer service systems reports work order information for repairment.
Data convergence layer main support acquires the processing storage of data, by data according to type deposit analysis domain and in real time Domain, and the duplication check of Develop Data, the preparatory processings such as breakpoint transmission.
Power-off event analysis layer mainly realizes two big functions, first is that building power grid asset model, utilizes big data analysis skill Art, the topological model of building equipment grid equipment to Electricity customers;Second is that constructing power-off event mould using dynamic electric network data Type is studied and judged for carrying out failure.
The present invention can be realized following functions:
1) failure is studied and judged, and judges fault type, including arrearage power failure, non-faulting have a power failure, three kinds of fault outage;Judge failure Section, including basic routing line failure, branched line failure, platform area failure, platform area to accessing point failure, access point to user therefore Barrier, user's internal fault.
2) work order merges, and is analyzed by Auto-matching, realizes homologous work order prompt, and auxiliary work order merges.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention Protection scope within.

Claims (6)

1. a kind of user based on big data analysis reports the automatic analysis method of failure for repairment, which comprises the following steps:
Step 1: after receiving power consumer troublshooting work order, according to power grid static state and dynamic data, identifying and lock the electric power User;
Step 2: obtaining the electricity charge information of the power consumer, judge whether user is that arrearage has a power failure, if so, feedback arrearage has a power failure Information, it is no to then follow the steps 3;
Step 3: according to power grid topological relation, obtaining the distribution transformer of the power consumer upstream, report and submit information in conjunction with power failure, sentence The distribution transforming break whether in known scope of power outage, if so, 4 are thened follow the steps, it is no to then follow the steps 5;
Step 4: reporting and submitting information to judge that power failure type is stopped for scheduled outage, temporary interruption and the supplying more than the planned quota non-faulting such as ration the power supply according to power failure Electricity or fault outage;Whether if fault outage, it is related in way work order to study and judge the failure, if having in way work order, closes And work order;
Step 5: calling the Source of Gateway Meter for surveying the distribution transforming together, judge whether the distribution transforming is charged, if distribution transforming power loss, thens follow the steps 6, otherwise hold Row step 7;
Step 6: according to power grid topological relation, obtaining the basic routing line and branched line of the distribution transforming upstream;
Step 7: range shorter to power consumer is studied and judged.
2. the user according to claim 1 based on big data analysis reports the automatic analysis method of failure for repairment, which is characterized in that In step 1, power grid static data includes setting in grid equipment account and its incidence relation, power network GIS platform in PMS2.0 Standby topological connection relation, the equipment files in sales service application system, files on each of customers and arrearage information.
3. the user according to claim 2 based on big data analysis reports the automatic analysis method of failure for repairment, which is characterized in that Files on each of customers include in every family number, station address and user contact details.
4. the user according to claim 1 or 2 or 3 based on big data analysis reports the automatic analysis method of failure for repairment, special Sign is, in step 1, power grid dynamic data includes switch operating status and guarantor in power distribution automation and dispatch automated system The user for stopping powering on event and calling together in measurement information and customer service system in shield action message, power information acquisition system reports work order for repairment Information.
5. the user according to claim 1 based on big data analysis reports the automatic analysis method of failure for repairment, which is characterized in that The specific method is as follows for the basic routing line and branched line that step 6 obtains the distribution transforming upstream:
It 6-1) calls the switch operation data for surveying basic routing line together, judges whether backbone charges;If basic routing line power loss, tentatively sentences It is set to basic routing line failure;If backbone charge, call together survey branched line switch operation data, judge branched line whether band Electricity;
If 6-2) branched line power loss, preliminary judgement is branched line failure;If separated time route charge, preliminary judgement be with Accident barrier.
6. the user according to claim 1 based on big data analysis reports the automatic analysis method of failure for repairment, which is characterized in that The method that step 7 power consumer is studied and judged is as follows:
It 7-1) calls survey electric supply meter together, judges whether the power consumer ammeter charges, if ammeter charges, preliminary judgement is the electric power User's internal fault;If ammeter power loss, range extends to other users under access point and is studied and judged;
It 7-2) calls together and surveys other users ammeter under access point, judge whether other users ammeter charges, if other users ammeter charges, It is then access point to user malfunction;If other users ammeter power loss, for fading to access point failure.
CN201910745993.8A 2019-08-13 2019-08-13 A kind of user based on big data analysis reports the automatic analysis method of failure for repairment Pending CN110490762A (en)

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CN111934424A (en) * 2020-06-23 2020-11-13 国网浙江平湖市供电有限公司 Intelligent fault studying and judging system and method for power distribution network
CN112019691A (en) * 2020-07-08 2020-12-01 国网浙江杭州市富阳区供电有限公司 Intelligent reply method for power consultation
CN112308249A (en) * 2020-11-04 2021-02-02 海南电网有限责任公司信息通信分公司 Construction system of power failure pool
CN113032448A (en) * 2020-12-30 2021-06-25 广东电网有限责任公司电力科学研究院 Power grid fault power failure range checking method
CN113659723A (en) * 2021-08-19 2021-11-16 国网江苏省电力有限公司泰州供电分公司 Intelligent user fault studying and judging system and implementation method

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CN105305393A (en) * 2015-10-21 2016-02-03 珠海许继芝电网自动化有限公司 Distribution network emergency repair commanding system and method based on marketing and distribution communication
CN105894172A (en) * 2015-11-17 2016-08-24 国家电网公司 Joint outage judging method based on marketing and distribution fusion
CN108765187A (en) * 2018-04-11 2018-11-06 国网山东省电力公司 A kind of power-off fault auxiliary analysis method, apparatus and system

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CN105158636A (en) * 2015-07-31 2015-12-16 国网四川省电力公司 Automatic faulty background studying and judging method based on marketing and distribution data run-through
CN105305393A (en) * 2015-10-21 2016-02-03 珠海许继芝电网自动化有限公司 Distribution network emergency repair commanding system and method based on marketing and distribution communication
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111934424A (en) * 2020-06-23 2020-11-13 国网浙江平湖市供电有限公司 Intelligent fault studying and judging system and method for power distribution network
CN112019691A (en) * 2020-07-08 2020-12-01 国网浙江杭州市富阳区供电有限公司 Intelligent reply method for power consultation
CN112308249A (en) * 2020-11-04 2021-02-02 海南电网有限责任公司信息通信分公司 Construction system of power failure pool
CN113032448A (en) * 2020-12-30 2021-06-25 广东电网有限责任公司电力科学研究院 Power grid fault power failure range checking method
CN113659723A (en) * 2021-08-19 2021-11-16 国网江苏省电力有限公司泰州供电分公司 Intelligent user fault studying and judging system and implementation method

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Application publication date: 20191122