CN109358267A - A kind of distribution line power failure monitoring method based on fault detector - Google Patents

A kind of distribution line power failure monitoring method based on fault detector Download PDF

Info

Publication number
CN109358267A
CN109358267A CN201811171133.XA CN201811171133A CN109358267A CN 109358267 A CN109358267 A CN 109358267A CN 201811171133 A CN201811171133 A CN 201811171133A CN 109358267 A CN109358267 A CN 109358267A
Authority
CN
China
Prior art keywords
distribution line
distribution
fault
zero
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811171133.XA
Other languages
Chinese (zh)
Inventor
唐海国
朱亮
朱吉然
冷华
张志丹
张帝
郭文明
龚汉阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Hunan Electric Power Research Institute
State Grid Hunan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Hunan Electric Power Research Institute
State Grid Hunan Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Hunan Electric Power Research Institute, State Grid Hunan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201811171133.XA priority Critical patent/CN109358267A/en
Publication of CN109358267A publication Critical patent/CN109358267A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/088Aspects of digital computing

Abstract

The present invention relates to power distribution network on-line monitoring technique fields, disclose a kind of distribution line power failure monitoring method based on fault detector, to extend the Application effect of fault detector, realize to have a power failure to distribution network failure and more completely, more accurately manage;The method comprise the steps that fault detector acquires the load current and line voltage distribution of distribution line in real time;The working condition of distribution line is divided at least four classes, including permanent fault state, transient fault state, scheduled outage state and telegram in reply success status according to load current and line voltage distribution by fault detector;According to working condition, fault detector selection sends corresponding permanent fault information, transient fault information, scheduled outage information and telegram in reply information to terminal.

Description

A kind of distribution line power failure monitoring method based on fault detector
Technical field
The present invention relates to power distribution network on-line monitoring technique field more particularly to a kind of distribution lines based on fault detector Power failure monitoring method.
Background technique
With the rapid development of social economy, demand of the people to distribution network reliability and good service increasingly increases More, also to the promotion of power distribution network control means, more stringent requirements are proposed.But power distribution network there are scales big, base for a long time The disadvantages of plinth is weak, existing power distribution network management relies primarily on manpower and removes maintenance line and trouble shoot, and distribution network line branch More, the method for operation is complicated, and the management service workload of route is very big, inquires when breaking down time-consuming and laborious.Power supply company's layer Face is also difficult to grasp whole stoppage in transit situations of 10 KV line of constituent parts, can not quickly carry out and actively repair, it is also difficult to specific aim Development line outage and distribution transforming stoppage in transit renovation, constrain the promotion of power supply enterprise's distribution network reliability.
Distribution line failure indicator, (abbreviation fault detector) can make up for it the positioning of power supply enterprise's distribution line failure The deficiency of ability and intelligent level, for fault point is accurately positioned, fast recovery of power supply provides sound assurance, significantly improves confession Electric reliability promotes the working efficiency of live operation maintenance personnel.But current failure indicator mainly supports the failure of distribution line Positioning, does not monitor the power failure of monitored route, telegram in reply event effectively, and therefore, fault detector is in support distribution Net power supply reliability is promoted and lean management aspect is still to be improved.
Summary of the invention
The distribution line power failure monitoring method based on fault detector that it is an object of that present invention to provide a kind of, with extension The Application effect of fault detector is realized to have a power failure to distribution network failure and more completely, more accurately be managed.
To achieve the above object, the present invention provides a kind of distribution line power failure monitoring side based on fault detector Method, comprising the following steps:
S1: fault detector acquires the load current and line voltage distribution of distribution line in real time;
S2: fault detector divides the working condition of the distribution line according to the load current and the line voltage distribution It is at least four classes, including permanent fault state, transient fault state, scheduled outage state and telegram in reply success status;
S3: according to the working condition, fault detector selection sends corresponding permanent fault information, transient fault letter Breath, scheduled outage information and telegram in reply information are to terminal.
Preferably, in the S2, the working condition by the distribution line is divided at least four classes, specifically includes:
When the load current and the line voltage distribution meet the first decision condition, the work of the distribution line is judged State is permanent fault state;
When the load current and the line voltage distribution meet the second decision condition, the work of the distribution line is judged State is transient fault state;
When the load current and the line voltage distribution meet third decision condition, the work of the distribution line is judged State is scheduled outage state;
When the load current and the line voltage distribution meet four decision conditions, the work of the distribution line is judged State is telegram in reply success status.
Preferably, the permanent fault information include occur permanent fault at the beginning of and the end time;It is described instantaneous Fault message include occur transient fault at the beginning of and the end time;The scheduled outage information includes that scheduled outage occurs At the beginning of and the end time;The telegram in reply information includes the successful time of sending a telegram in reply.
Preferably, it further comprises the steps of:
S4: the terminal is according to the information received, at the beginning of obtaining corresponding failure and the end time, calculates distribution wire The power failure duration on road.
Preferably, in the S2, the working condition of the permanent fault includes that reclosing does not throw state and unsuccessful reclosing State.
Preferably, when the working condition of the distribution line is that reclosing does not throw state, first decision condition are as follows:
The line voltage distribution of the distribution line meets: being not zero in first time period and is zero within the third period;
The load current of the distribution line meets: being equal to the failure current thresholds of setting in second time period and the It is zero in three periods.
Preferably, when the working condition of the distribution line is reclosing status of fail, first decision condition are as follows:
The line voltage distribution of the distribution line meets: being not zero in first time period and is zero within the 5th period;
The load current of the distribution line meets: being equal in second time period and in the 4th period the failure electricity of setting Threshold value is flowed, and is zero within third period and the 5th period.
Preferably, second decision condition are as follows:
The line voltage distribution of the distribution line meets: being not zero in first time period and is zero within the 4th period;
The load current of the distribution line meets: being equal to the failure current thresholds of setting in second time period and the It is all zero in three periods and the 4th period.
Preferably, the third decision condition are as follows:
The line voltage distribution of the distribution line meets: being not zero in first time period and is zero in second time period;
The load current of the distribution line meets: being zero in second time period.
Preferably, the 4th decision condition are as follows:
The line voltage distribution of the distribution line meets: being zero in first time period and is not zero in second time period;
The load current of the distribution line meets: being zero in first time period.
The invention has the following advantages:
The present invention provides a kind of distribution line power failure monitoring method based on fault detector, increases indicating fault The monitoring function that device has a power failure to distribution network line and sends a telegram in reply, extends the Application effect of fault detector, is able to achieve to power distribution network Fault outage is more complete, more accurately manages.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the monitoring method flow chart of the preferred embodiment of the present invention;
Fig. 2 is that the load current of distribution line and line voltage distribution take when the reclosing of the preferred embodiment of the present invention does not throw state It is worth situation schematic diagram;
The load current of distribution line and line voltage distribution take when Fig. 3 is the unsuccessful reclosing state of the preferred embodiment of the present invention It is worth situation schematic diagram;
The load current and line voltage distribution value of distribution line when Fig. 4 is the transient fault state of the preferred embodiment of the present invention Situation schematic diagram;
The load current and line voltage distribution value of distribution line when Fig. 5 is the scheduled outage state of the preferred embodiment of the present invention Situation schematic diagram;
The load current and line voltage distribution value of distribution line when Fig. 6 is the telegram in reply success status of the preferred embodiment of the present invention Situation schematic diagram.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims Implement with the multitude of different ways of covering.
As shown in Figure 1, the present embodiment provides a kind of distribution line power failure monitoring method based on fault detector, packet Include following steps:
S1: fault detector acquires the load current and line voltage distribution of distribution line in real time;
S2: the working condition of distribution line is divided at least four classes according to load current and line voltage distribution by fault detector, Including permanent fault state, transient fault state, scheduled outage state and telegram in reply success status;
S3: according to working condition, fault detector selection sends corresponding permanent fault information, transient fault information, meter Outage information and telegram in reply information are drawn to terminal.
In above-mentioned steps, the monitoring function that fault detector has a power failure to distribution network line, sends a telegram in reply is increased, event is extended The Application effect for hindering indicator is able to achieve to have a power failure to distribution network failure and more completely, more accurately manage.
It should be noted that the embodiment of the present invention is by taking 10kv overhead transmission line as an example, because fault detector cannot be straight Acquisition line voltage distribution is connect, therefore fault detector realizes the load for obtaining distribution line by the telemetered signal of acquisition distribution line Electric current and line voltage distribution.In addition, it is worth noting that, permanent fault information includes at the beginning of permanent fault occurs and terminating Time;Transient fault information include occur transient fault at the beginning of and the end time;Scheduled outage information includes counting Draw have a power failure at the beginning of and the end time;Information of sending a telegram in reply includes the successful time of sending a telegram in reply.
In embodiments of the present invention, the working condition of distribution line is divided at least four classes in above-mentioned S2, specifically included:
When load current and line voltage distribution meet the first decision condition, judge the working condition of distribution line for permanent event Barrier state;When load current and line voltage distribution meet the second decision condition, judge the working condition of distribution line for instantaneous event Barrier state;When load current and line voltage distribution meet third decision condition, judge that the working condition of distribution line is stopped for plan Electricity condition;When load current and line voltage distribution meet four decision conditions, judge the working condition of distribution line be send a telegram in reply at Function state.
Further, when fault detector monitors that distribution line in power supply, has occurred in above-mentioned four classes working condition Any one when, the working condition and corresponding information are sent to terminal, after terminal receives information, method of the invention is also The following steps are included:
S4: according to the information received, at the beginning of obtaining corresponding failure and the end time, the power failure of distribution line is calculated Duration.
Specifically, the line voltage distribution of distribution line is set as U, the load current of distribution line is set as I, as this implementation Example preferred embodiment, in S2, permanent fault state includes that reclosing does not throw state and unsuccessful reclosing state.On the one hand, When distribution line, which is in reclosing, does not throw state, the first decision condition are as follows:
As shown in Fig. 2, the line voltage distribution of distribution line is not zero in first time period T1, alternatively, in the first time The load current of distribution line is equal to preset failure current thresholds, i.e. U ≠ 0 or I=I failure in section T1;Preferably, should First time period T0 is set as 30s, but the present invention is not limited to this, in the case where that can reach identical purpose, moreover it is possible to certain The value of adjustment first time period in range.
It is worth noting that first time period T0 is original state, according to actual experiment experience, by it in the present embodiment It is set as 30S, the charging time needed for being used as the normal operation of fault detector,
The load current I of distribution line is equal to the failure current thresholds of setting, i.e. I=in the second time period T2 of setting I failure, wherein second time period T2 is set as 40ms.In this implementation, in second time period T2, fault detector is operated in In malfunction, because fault detector equipment itself judges the time required to malfunction for 40ms or so, the present embodiment It is middle that second time period is set as 40ms.
The line voltage distribution U and load current I of distribution line are zero, i.e. U=0 and I in the third period T3 of setting =0, wherein the third period, T3 was set as 30s.In the present embodiment, in third period T3, fault detector is in and stays State is set to 30s according to actual experiment, is able to satisfy the work requirements of fault detector, and, moreover it is possible to it is better protected from event The variation for the working condition that barrier indicator is frequent in a short time, can improve job stability and the judgement of fault detector Accuracy.
After meeting above-mentioned condition, fault detector determines that " reclosing is not thrown " event occurs on distribution line, sends forever Long fault message is to terminal.
On the other hand, when distribution line is in unsuccessful reclosing state, the first decision condition are as follows:
As shown in figure 3, the line voltage distribution U of distribution line is not zero in the first time period T1 of setting, alternatively, this The load current of distribution line is equal to preset failure current thresholds, i.e. U ≠ 0 or I=I failure in one period T1.It is excellent Choosing, first time period T0 is set as 30s.
The load current I of distribution line is equal to the failure current thresholds of setting, i.e. I=in the second time period T2 of setting I failure, it is preferred that second time period T2 is set as 40ms.
The load current I of distribution line is zero in the third period T3 of setting, i.e. I=0, it is preferred that when the third Between section T3 be set as 0.2s.
The load current I of distribution line is equal to the failure current thresholds of setting, i.e. I=in the 4th period T4 of setting I failure, it is preferred that the 4th period T4 is set as 40ms.
The line voltage distribution U and load current I of distribution line are zero, i.e. U=0 and I in the 5th period T5 of setting =0, it is preferred that the 5th period T5 is set as 30s.
After meeting above-mentioned condition, fault detector determines that " unsuccessful reclosing " event occurs on distribution line, sends forever Long fault message is to terminal.
As the present embodiment preferred embodiment, the second decision condition are as follows:
As shown in figure 4, the line voltage distribution U of distribution line is not zero in the first time period T0 of setting, alternatively, this The load current of distribution line is equal to preset failure current thresholds, i.e. U ≠ 0 or I=I failure in one period T1.It is excellent Choosing, first time period T0 is set as 30s.
The load current I of distribution line is equal to the failure current thresholds of setting, i.e. I=in the second time period T2 of setting I failure, it is preferred that second time period T2 is set as 40ms.
The load current I of distribution line is zero in the third period T3 of setting, i.e. I=0, it is preferred that when the third Between section T3 be set as 0.2s.In the present embodiment, in order to be matched with the reclosure time after line fault, wink is being judged whether it is When failure when, by route throw reclosing time T3 be set as 0.2S, to improve the accuracy of judging result.
The line voltage distribution U and load current I of distribution line are zero, i.e. U=0 and I in the 4th period T4 of setting =0, it is preferred that the 5th period T4 is set as 30s.
After meeting above-mentioned condition, fault detector determines that transient fault occurs on distribution line, sends transient fault letter It ceases to terminal.
As the present embodiment preferred embodiment, third decision condition are as follows:
As shown in figure 5, the line voltage distribution U of distribution line is not zero in the first time period T0 of setting, alternatively, this The load current of distribution line is equal to preset failure current thresholds, i.e. U ≠ 0 or I=I failure in one period T1.It is excellent Choosing, first time period T0 is set as 30s.
The line voltage distribution U and load current I of distribution line are zero, i.e. U=0 and I in the second time period T2 of setting =0, it is preferred that second time period T2 is set as 30s.
After meeting above-mentioned condition, fault detector determines that scheduled outage occurs on distribution line, sends scheduled outage letter It ceases to terminal.
As the present embodiment preferred embodiment, the 4th decision condition are as follows:
As shown in fig. 6, the line voltage distribution U and load current I of distribution line are zero in the first time period T1 of setting, That is U=0 and I=0, it is preferred that first time period T1 is set as 30s.
The line voltage distribution U of distribution line is not zero in the second time period T2 of setting, alternatively, in second time period T2 The load current of interior distribution line is equal to preset failure current thresholds, i.e. U ≠ 0 or I=I failure.Preferably, this second Period, T2 was set as 30s.
It is worth noting that in the present embodiment, in the time setting for each period for carrying out different working condition, all To be setting target the time required to fault indicator, the present embodiment provides preferred time setting, but simultaneously under corresponding state It limits not to this, in practical operation, according to circumstances the time under each state can be adjusted correspondingly.Wherein, if Fixed basis is described in detail when the first decision condition is described, and is not repeated herein.
After meeting above-mentioned condition, fault detector determines that distribution line is sent a telegram in reply successfully, sends telegram in reply information to terminal.
The line voltage distribution and load current of electric line are all the line electricity of zero, distribution line in the first time period of setting It is pressed in the second time period of setting and is not zero.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of distribution line power failure monitoring method based on fault detector, which comprises the following steps:
S1: fault detector acquires the load current and line voltage distribution of distribution line in real time;
S2: fault detector according to the load current and the line voltage distribution by the working condition of the distribution line be divided into Few four classes, including permanent fault state, transient fault state, scheduled outage state and telegram in reply success status;
S3: according to the working condition, fault detector selection sends corresponding permanent fault information, transient fault information, meter Outage information and telegram in reply information are drawn to terminal.
2. the distribution line power failure monitoring method according to claim 1 based on fault detector, which is characterized in that In the S2, the working condition by the distribution line is divided at least four classes, specifically includes:
When the load current and the line voltage distribution meet the first decision condition, the working condition of the distribution line is judged For permanent fault state;
When the load current and the line voltage distribution meet the second decision condition, the working condition of the distribution line is judged For transient fault state;
When the load current and the line voltage distribution meet third decision condition, the working condition of the distribution line is judged For scheduled outage state;
When the load current and the line voltage distribution meet four decision conditions, the working condition of the distribution line is judged For success status of sending a telegram in reply.
3. the distribution line power failure monitoring method according to claim 1 based on fault detector, which is characterized in that The permanent fault information include occur permanent fault at the beginning of and the end time;The transient fault information includes occurring At the beginning of transient fault and the end time;The scheduled outage information includes at the beginning of scheduled outage occurs and terminating Time;The telegram in reply information includes the successful time of sending a telegram in reply.
4. the distribution line power failure monitoring method according to claim 3 based on fault detector, which is characterized in that It further comprises the steps of:
S4: the terminal is according to the information received, at the beginning of obtaining corresponding failure and the end time, calculates distribution line Power failure duration.
5. the distribution line power failure monitoring method according to claim 2 based on fault detector, which is characterized in that In the S2, the working condition of the permanent fault includes that reclosing does not throw state and unsuccessful reclosing state.
6. the distribution line power failure monitoring method according to claim 5 based on fault detector, which is characterized in that When the working condition of the distribution line is that reclosing does not throw state, first decision condition are as follows:
The line voltage distribution of the distribution line meets: being not zero in first time period and is zero within the third period;
The load current of the distribution line meets: being equal to the failure current thresholds of setting in second time period and in third Between be zero in section.
7. the distribution line power failure monitoring method according to claim 5 based on fault detector, which is characterized in that When the working condition of the distribution line is reclosing status of fail, first decision condition are as follows:
The line voltage distribution of the distribution line meets: being not zero in first time period and is zero within the 5th period;
The load current of the distribution line meets: being equal in second time period and in the 4th period the fault current threshold of setting Value, and be zero within third period and the 5th period.
8. the distribution line power failure monitoring method according to claim 2 based on fault detector, which is characterized in that Second decision condition are as follows:
The line voltage distribution of the distribution line meets: being not zero in first time period and is zero within the 4th period;
The load current of the distribution line meets: being equal to the failure current thresholds of setting in second time period and in third Between section and be all zero in the 4th period.
9. the distribution line power failure monitoring method according to claim 2 based on fault detector, which is characterized in that The third decision condition are as follows:
The line voltage distribution of the distribution line meets: being not zero in first time period and is zero in second time period;
The load current of the distribution line meets: being zero in second time period.
10. the distribution line power failure monitoring method according to claim 2 based on fault detector, feature exist In the 4th decision condition are as follows:
The line voltage distribution of the distribution line meets: being zero in first time period and is not zero in second time period;
The load current of the distribution line meets: being zero in first time period.
CN201811171133.XA 2018-10-09 2018-10-09 A kind of distribution line power failure monitoring method based on fault detector Pending CN109358267A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811171133.XA CN109358267A (en) 2018-10-09 2018-10-09 A kind of distribution line power failure monitoring method based on fault detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811171133.XA CN109358267A (en) 2018-10-09 2018-10-09 A kind of distribution line power failure monitoring method based on fault detector

Publications (1)

Publication Number Publication Date
CN109358267A true CN109358267A (en) 2019-02-19

Family

ID=65348712

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811171133.XA Pending CN109358267A (en) 2018-10-09 2018-10-09 A kind of distribution line power failure monitoring method based on fault detector

Country Status (1)

Country Link
CN (1) CN109358267A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103645424A (en) * 2013-12-25 2014-03-19 国家电网公司 Line fault detecting system and method capable of achieving real-time interaction of three-phase data
CN204065296U (en) * 2013-11-28 2014-12-31 国家电网公司 There is the ring main unit fault-indicating system of anti-misoperation function
US20150318027A1 (en) * 2014-04-30 2015-11-05 Sandisk Enterprise Ip Llc Continuous Capacitor Health Monitoring and Power Supply System
CN106908037A (en) * 2017-03-15 2017-06-30 广州航海学院 Distribution line shaft tower heeling condition detection method based on fault detector
CN107132446A (en) * 2017-06-26 2017-09-05 宁波功成电气有限公司 A kind of fault detector of high reliability, high precision
CN107272525A (en) * 2017-08-16 2017-10-20 杭州大有科技发展有限公司 A kind of fault detector
CN206696367U (en) * 2017-05-11 2017-12-01 广东绿禾电气科技有限公司 A kind of overhead transmission line accident indicator
CN108132425A (en) * 2017-12-18 2018-06-08 云南电网有限责任公司电力科学研究院 Power grid distribution line failure on-line monitoring method and system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204065296U (en) * 2013-11-28 2014-12-31 国家电网公司 There is the ring main unit fault-indicating system of anti-misoperation function
CN103645424A (en) * 2013-12-25 2014-03-19 国家电网公司 Line fault detecting system and method capable of achieving real-time interaction of three-phase data
US20150318027A1 (en) * 2014-04-30 2015-11-05 Sandisk Enterprise Ip Llc Continuous Capacitor Health Monitoring and Power Supply System
CN106908037A (en) * 2017-03-15 2017-06-30 广州航海学院 Distribution line shaft tower heeling condition detection method based on fault detector
CN206696367U (en) * 2017-05-11 2017-12-01 广东绿禾电气科技有限公司 A kind of overhead transmission line accident indicator
CN107132446A (en) * 2017-06-26 2017-09-05 宁波功成电气有限公司 A kind of fault detector of high reliability, high precision
CN107272525A (en) * 2017-08-16 2017-10-20 杭州大有科技发展有限公司 A kind of fault detector
CN108132425A (en) * 2017-12-18 2018-06-08 云南电网有限责任公司电力科学研究院 Power grid distribution line failure on-line monitoring method and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
孙慧颖: "青岛配电网主动故障研判系统研究与软件开发", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 *

Similar Documents

Publication Publication Date Title
CN103915827B (en) Power distribution network fault analysis method and study and judge system
CN103887794B (en) Repairing system and method produced by a kind of power distribution network based on Internet of Things
Jiang et al. Outage management of distribution systems incorporating information from smart meters
US8587445B2 (en) Monitoring electrical assets for fault and efficiency correction
KR101180660B1 (en) Methods and system for utility network outage detection
Tzeng et al. Analysis of rail potential and stray currents in a direct-current transit system
CN107219413B (en) Method for inferring a fault shutdown from power quality data
Niyato et al. Reliability analysis and redundancy design of smart grid wireless communications system for demand side management
Liu et al. Reliability modeling and evaluation of active cyber physical distribution system
CN102570602B (en) Fault comprehensive processing platform and method of distribution network
CN101908764B (en) Self-healing control method of electric network
EP2455897B1 (en) Methods and systems involving power system grid management
JP5249950B2 (en) Method and system for utility network outage detection
US20110130982A1 (en) Monitoring System for Power Grid Distributed Power Generation Devices
CN103336220B (en) The method and apparatus of distribution network failure being monitored and locating
CN101281229B (en) Power distribution network distribution circuit fault location system
CN104391211B (en) A kind of repair based on condition of component on-line detecting system for series compensation device
CN103839189B (en) The power distribution automation scheme optimization method and system assessed based on reliability benefit
CN106875114A (en) The SMS platform optimization system and method for distribution repairing maneuvering platform
US20080231114A1 (en) System and Method for Adaptive Islanding for Stored/Distributed Energy Devices
CN102435871A (en) On-line monitoring system for data collection of electric arresters based on GPS (Global Positioning System) synchronization
CN202475009U (en) Comprehensive processing system of failure of power distribution and supply grid
CN102074956A (en) Power grid risk management method and system
CN106990328A (en) The analysis of distribution repairing abnormal data, fault location system and method
CN103490520B (en) Power distribution network fault treatment method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination