CN103792468A - Electric power line fault position location conforming method and device - Google Patents
Electric power line fault position location conforming method and device Download PDFInfo
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Abstract
The invention discloses an electric power line fault position location conforming method and device. According to the electric power line fault position location conforming method, after a strip-out line is confirmed, fault current information and historical fault information can be analyzed and compared, the fault coverage can be initially confirmed, and then the position of the fault point can be further confirmed according to the environment information of the confirmed fault coverage and according to fault alarm information. According to the method and the device, the fault position is confirmed by combining and analyzing various data such as the fault current information, the historical fault information and the environment information, the defects caused when working staff search for the fault point in a blind mode and on the basis of feeling are overcome, and the search efficiency of the position of the fault point is improved.
Description
Technical field
The present invention relates to electric power maintenance field, in particular, relate to a kind of feeder line fault method for determining position and device.
Background technology
High-tension electricity overhead transmission line is the important power transmission mode of one of the electric power supply of enterprises and institutions and resident living community, its work safely and efficiently can effective guarantee users normal life and work.
In prior art, occur that at power circuit tripping operation when fault, do not carry out to fault the method for rationally effectively analyzing, the sensation that can only rely on relevant staff failure cause and position of failure point are searched blindly.This only with the blindness formula of sensation search owing to wasting time and energy, inefficiency, therefore have a strong impact on user's production, household electricity,
Summary of the invention
In view of this, the invention provides a kind of definite method and device of feeder line fault point, to solve, waste time and energy in looking up the fault point position in prior art, the problem of inefficiency.
For achieving the above object, the invention provides following technical scheme:
A kind of feeder line fault method for determining position, comprising:
Determining after tripping operation circuit, obtaining the fault current information of described tripping operation circuit;
Failure message in described fault current information and historical failure database is compared, determine the residing fault coverage in described trouble spot;
Obtain environmental information and the fault alarm information of described fault coverage;
Determine the malfunction elimination object in described fault coverage according to described environmental information;
Determine abort situation according to described malfunction elimination object and described fault alarm information.
Optionally, described fault current information comprises fault actions type and the action current value of outgoing switching protective device; Described failure message in described fault current information and historical failure database is compared, comprising:
The historical failure type of action of recording in described fault actions type and described historical failure database is compared, and the historical action current value of recording in described action current value and described historical failure database is compared.
Optionally, the environmental information of described fault coverage comprises: Weather information, temperature information and construction information.
Optionally, in the time that described Weather information is designated as thunderstorm weather, describedly determine the malfunction elimination object in described fault coverage according to environmental information, comprising:
Determine that the malfunction elimination object in described fault coverage is lightning arrester and the weak electrical equipment of insulation.
Optionally, at described temperature information during lower than preset temperature value, describedly determine the malfunction elimination object in described fault coverage according to environmental information, comprising:
Determine that the malfunction elimination object in described fault coverage is user's side switchgear building.
Optionally, in the time that the indication of described construction information has engineering construction in described fault coverage, describedly determine the malfunction elimination object in described fault coverage according to environmental information, comprising:
Determine that the malfunction elimination object in described fault coverage is the power circuit in described engineering construction location of living in.
A determining device for feeder line fault position, comprising:
Failure message acquisition module, for determining after tripping operation circuit, obtains the fault current information of described tripping operation circuit;
Fault coverage determination module, for the failure message of described fault current information and historical failure database is compared, determines the residing fault coverage in described trouble spot;
Supplementary acquisition module, for obtaining environmental information and the fault alarm information of described fault coverage;
Investigation object determination module, for determining the malfunction elimination object in described fault coverage according to described environmental information;
Abort situation determination module, for determining abort situation according to described malfunction elimination object and described fault alarm information.
Optionally, described fault current information comprises fault actions type and the action current value of outgoing switching protective device; Described fault coverage determination module specifically for:
The historical failure type of action of recording in described fault actions type and described historical failure database is compared, and the historical action current value of recording in described action current value and described historical failure database is compared, determine the residing fault coverage in described trouble spot.
Optionally, the environmental information of described fault coverage comprises: Weather information, temperature information and construction information.
Optionally, in the time that described Weather information is designated as thunderstorm weather, described investigation object determination module specifically for:
Determine that the malfunction elimination object in described fault coverage is lightning arrester and the weak electrical equipment of insulation.
Known via above-mentioned technical scheme, compared with prior art, the embodiment of the invention discloses a kind of feeder line fault method for determining position and device, described feeder line fault method for determining position is being determined after tripping operation circuit, fault current information and historical failure information can be analysed and compared, preliminary definite fault coverage, then further according to the environmental information of definite fault coverage and fault alarm information localization of faults position.The method and device, by the binding analysis location abort situation to several data such as fault current information, historical failure information and environmental informations, have avoided staff with the blindly defect of formula looking up the fault point of sensation, have promoted the search efficiency of position of failure point.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the process flow diagram of the disclosed feeder line fault method for determining position of the embodiment of the present invention;
Fig. 2 is the structural representation of the determining device of the disclosed feeder line fault of embodiment of the present invention position.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the process flow diagram of the disclosed feeder line fault method for determining position of the embodiment of the present invention, shown in Figure 1, and described feeder line fault method for determining position can comprise:
Step 101: determining after tripping operation circuit, obtaining the fault current information of described tripping operation circuit;
Wherein, described fault current information can comprise fault actions type and the action current value of outgoing switching protective device.
Step 102: the failure message in described fault current information and historical failure database is compared, determine the residing fault coverage in described trouble spot;
Concrete, step 102 can comprise: the historical failure type of action of recording in described fault actions type and described historical failure database is compared, and the historical action current value of recording in described action current value and described historical failure database is compared.
Step 103: environmental information and the fault alarm information of obtaining described fault coverage;
Wherein, described environmental information can comprise but not be defined as Weather information, temperature information and construction information.Described Weather information can be indicated thunderstorm weather, strong wind weather, fine weather etc., described temperature information can be indicated excessive temperature and too low temperature information, certainly, determine temperature whether too high or too low need to be in system pre-configured high temperature boundary value and low-temperature limit value, in the time that temperature exceedes described high temperature boundary value, can indicated temperature too high, in temperature during lower than low-temperature limit value, can indicated temperature too low.
Described fault alarm information can be obtained from the fault monitoring device that is arranged on various power equipments or circuit scene, for the ease of obtaining described fault alarm information, described failure detector can be connected on the computer of control center by wired or wireless mode, so that in the time that the electronic equipment of its monitoring or circuit break down, failure message can be fed back to control center in time.
Step 104: determine the malfunction elimination object in described fault coverage according to described environmental information;
For example, in the time that Weather information is designated as thunderstorm weather, line tripping may cause due to thunderbolt electrical equipment, and the electrical equipment being easily struck by lightning comprises lightning arrester and the weak electrical equipment of insulation.Therefore, step 104 can be specifically to determine that the malfunction elimination object in described fault coverage is lightning arrester and the weak electrical equipment of insulation.
And for example, when temperature information indicated temperature value is during lower than preset temperature value, may to have toy and to rush in switchgear building in order going to a winter resort, therefore step 104 can be specifically in this case: determine that the malfunction elimination object in described fault coverage is user's side switchgear building.
For another example, in the time that described construction information indication has engineering construction in described fault coverage, line tripping may be due to construction machinery, as tower crane is encountered power circuit or equipment in the time working, therefore, step 104 can be specifically: determine that the malfunction elimination object in described fault coverage is the power circuit in described engineering construction location of living in.
Certainly, determine that the method for the malfunction elimination object in fault coverage and factor also have a lot, such as foreign matter drops down onto under wire, line the external force infringements such as trees, toy, and engineering explosion damages, and whether supply load is excessive etc.Describe in detail no longer one by one at this.
Step 105: determine abort situation according to described malfunction elimination object and described fault alarm information.
Wherein, because each fault monitoring device has clear and definite numbering in electric system, and the scope of its responsible monitoring or equipment are also recorded in Power System Control Centers, therefore, in conjunction with malfunction elimination object and fault alarm information definite in fault coverage, can very fast localization of faults position.
Carry out the enforcement of the disclosed feeder line fault method for determining position of the embodiment of the present invention below in conjunction with example.
Case 1:2011 January 15, the action of 6kV limekiln line fast tripping protection, action current value is 1453A.By comparing line tripping fault statistics information (6kV part overhead transmission line tripping operation fault statistics table over the years; as shown in table 1); on September 16th, 1; also there is a fast tripping protection action in 6kV limekiln line; action current value is 1430A; trouble spot is limekiln line 19# bar user low-voltage cabinet internal fault; by current value ratio pair; and understand user's side high pressure house lead in place display device for short circuit board turning situation, determine fast and have been this fault and last time same trouble spot: thyristor short circuit in user's low-tension switch cabinet.Only within 16 minutes, just recover other users' of circuit electric power supply.
Table 1
Case 2:2012 July 4, II line fast tripping protection action under 6kV mountain, action current value is 2680A, by comparing line tripping fault statistics machine account over the years, fault current is less, trouble spot is far away apart from power supply point, about line end position, check along the line basic routing line 1# bar, (this type fault detector is a kind of device that is used to indicate line fault current flowing to the variable color of the 7# bar RT-312 of place type line type display device for short circuit board turning, every phase circuit is each hangs one, the fault once circuit is short-circuited, reach Sudden Changing Rate current start value, can comprehensively analyze line fault after-current, current break time and current break rate, make criterion, realization has two-phase board turning variable color indication at least, when board turning, become redness from white, and according to the factory setting time, move latter 24 hours by the normal position of malfunction auto-returned.Staff can, by the alarm of indicator, determine rapidly fault section, branch or trouble spot), and 9# bar place is without board turning variable color, understands its branch line rural power line 1
#the fault detector board turning variable color of bar place, failure judgement point is on rural power branch line, and then understanding is 10
#the variable color of bar fault detector board turning, and 11
#bar indicator, without board turning variable color, is determined rapidly fault section, and trouble spot may be at branch line 10
#2 subscriber line side that bar " T " connects, after considering that fault is thunderstorm, emphasis checks whether user's lightning arrester and the weak equipment that insulate are struck by lightning, final determine the electricity consumer straw plaited factory house lead in side lightning arrester two-phase puncture short fault of being struck by lightning, disconnect its feed isolating switch, in 45 minutes, recover line powering.
In the present embodiment, described feeder line fault method for determining position is being determined after tripping operation circuit, fault current information and historical failure information can be analysed and compared, preliminary definite fault coverage, then further according to the environmental information of definite fault coverage and fault alarm information localization of faults position.The method, by the binding analysis location abort situation to several data such as fault current information, historical failure information and environmental informations, has avoided staff with the blindly defect of formula looking up the fault point of sensation, has promoted the search efficiency of position of failure point.
In the disclosed embodiment of the invention described above, describe method in detail, can adopt the device of various ways to realize for method of the present invention, therefore the invention also discloses a kind of device, provide specific embodiment below and be elaborated.
Fig. 2 is the structural representation of the determining device of the disclosed feeder line fault of embodiment of the present invention position, shown in Figure 2, and the determining device 20 of described feeder line fault position can comprise:
Failure message acquisition module 201, for determining after tripping operation circuit, obtains the fault current information of described tripping operation circuit;
Wherein, described fault current information can comprise fault actions type and the action current value of outgoing switching protective device.
Fault coverage determination module 202, for the failure message of described fault current information and historical failure database is compared, determines the residing fault coverage in described trouble spot;
Described fault coverage determination module 202 specifically can be for: the historical failure type of action of recording in described fault actions type and described historical failure database is compared, and the historical action current value of recording in described action current value and described historical failure database is compared, determine the residing fault coverage in described trouble spot.
Described environmental information can comprise but not be defined as Weather information, temperature information and construction information.Described Weather information can be indicated thunderstorm weather, strong wind weather, fine weather etc., described temperature information can be indicated excessive temperature and too low temperature information, certainly, determine temperature whether too high or too low need to be in system pre-configured high temperature boundary value and low-temperature limit value, in the time that temperature exceedes described high temperature boundary value, can indicated temperature too high, in temperature during lower than low-temperature limit value, can indicated temperature too low.
Described fault alarm information can be obtained from the fault monitoring device that is arranged on various power equipments or circuit scene, for the ease of obtaining described fault alarm information, described failure detector can be connected on the computer of control center by wired or wireless mode, so that in the time that the electronic equipment of its monitoring or circuit break down, failure message can be fed back to control center in time.
Investigation object determination module 204, for determining the malfunction elimination object in described fault coverage according to described environmental information;
For example, in the time that Weather information is designated as thunderstorm weather, line tripping may cause due to thunderbolt electrical equipment, and the electrical equipment being easily struck by lightning comprises lightning arrester and the weak electrical equipment of insulation.Therefore, described investigation object determination module 204 specifically can be for, determines that the malfunction elimination object in described fault coverage is lightning arrester and the weak electrical equipment of insulation.
Certainly, determine that the method for the malfunction elimination object in fault coverage and factor also have a lot, such as foreign matter drops down onto under wire, line the external force infringements such as trees, toy, and engineering explosion damages, and whether supply load is excessive etc.Describe in detail no longer one by one at this.
Abort situation determination module 205, for determining abort situation according to described malfunction elimination object and described fault alarm information.
Wherein, because each fault monitoring device has clear and definite numbering in electric system, and the scope of its responsible monitoring or equipment are also recorded in Power System Control Centers, therefore, in conjunction with malfunction elimination object and fault alarm information definite in fault coverage, can very fast localization of faults position.
In the present embodiment, the determining device of described feeder line fault position is being determined after tripping operation circuit, fault current information and historical failure information can be analysed and compared, preliminary definite fault coverage, then further according to the environmental information of definite fault coverage and fault alarm information localization of faults position.This device, by the binding analysis location abort situation to several data such as fault current information, historical failure information and environmental informations, has avoided staff with the blindly defect of formula looking up the fault point of sensation, has promoted the search efficiency of position of failure point.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates referring to method part.
Also it should be noted that, in this article, and, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a feeder line fault method for determining position, is characterized in that, comprising:
Determining after tripping operation circuit, obtaining the fault current information of described tripping operation circuit;
Failure message in described fault current information and historical failure database is compared, determine the residing fault coverage in described trouble spot;
Obtain environmental information and the fault alarm information of described fault coverage;
Determine the malfunction elimination object in described fault coverage according to described environmental information;
Determine abort situation according to described malfunction elimination object and described fault alarm information.
2. feeder line fault method for determining position according to claim 1, is characterized in that, described fault current information comprises fault actions type and the action current value of outgoing switching protective device; Described failure message in described fault current information and historical failure database is compared, comprising:
The historical failure type of action of recording in described fault actions type and described historical failure database is compared, and the historical action current value of recording in described action current value and described historical failure database is compared.
3. feeder line fault method for determining position according to claim 1, is characterized in that, the environmental information of described fault coverage comprises: Weather information, temperature information and construction information.
4. feeder line fault method for determining position according to claim 3, is characterized in that, in the time that described Weather information is designated as thunderstorm weather, describedly determines the malfunction elimination object in described fault coverage according to environmental information, comprising:
Determine that the malfunction elimination object in described fault coverage is lightning arrester and the weak electrical equipment of insulation.
5. feeder line fault method for determining position according to claim 3, is characterized in that, at described temperature information during lower than preset temperature value, describedly determines the malfunction elimination object in described fault coverage according to environmental information, comprising:
Determine that the malfunction elimination object in described fault coverage is user's side switchgear building.
6. feeder line fault method for determining position according to claim 3, it is characterized in that, in the time that the indication of described construction information has engineering construction in described fault coverage, describedly determine the malfunction elimination object in described fault coverage according to environmental information, comprising:
Determine that the malfunction elimination object in described fault coverage is the power circuit in described engineering construction location of living in.
7. a determining device for feeder line fault position, is characterized in that, comprising:
Failure message acquisition module, for determining after tripping operation circuit, obtains the fault current information of described tripping operation circuit;
Fault coverage determination module, for the failure message of described fault current information and historical failure database is compared, determines the residing fault coverage in described trouble spot;
Supplementary acquisition module, for obtaining environmental information and the fault alarm information of described fault coverage;
Investigation object determination module, for determining the malfunction elimination object in described fault coverage according to described environmental information;
Abort situation determination module, for determining abort situation according to described malfunction elimination object and described fault alarm information.
8. the determining device of feeder line fault according to claim 7 position, is characterized in that, described fault current information comprises fault actions type and the action current value of outgoing switching protective device; Described fault coverage determination module specifically for:
The historical failure type of action of recording in described fault actions type and described historical failure database is compared, and the historical action current value of recording in described action current value and described historical failure database is compared, determine the residing fault coverage in described trouble spot.
9. the determining device of feeder line fault according to claim 7 position, is characterized in that, the environmental information of described fault coverage comprises: Weather information, temperature information and construction information.
10. the determining device of feeder line fault according to claim 9 position, is characterized in that, in the time that described Weather information is designated as thunderstorm weather, described investigation object determination module specifically for:
Determine that the malfunction elimination object in described fault coverage is lightning arrester and the weak electrical equipment of insulation.
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| CN106950459B (en) * | 2017-04-10 | 2020-08-04 | 济南置真电气有限公司 | Distributed single-phase earth fault judgment method |
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| CN106959404A (en) * | 2017-05-31 | 2017-07-18 | 山东钢铁股份有限公司 | A kind of method and system for searching power line short-circuit abort situation |
| CN109387740A (en) * | 2018-09-18 | 2019-02-26 | 中国路桥工程有限责任公司 | A kind of railway distribution net fault message diagnostic system and method |
| CN111090045A (en) * | 2019-12-27 | 2020-05-01 | 绍兴市上虞区理工高等研究院 | Method and device for diagnosing loss of field of permanent magnet synchronous motor |
| CN112557816A (en) * | 2020-11-27 | 2021-03-26 | 广东电网有限责任公司肇庆供电局 | Distribution lines fault detection and analysis positioning system |
| CN112886468A (en) * | 2021-01-12 | 2021-06-01 | 云南电网有限责任公司电力科学研究院 | Power transmission line region fault positioning method and device based on inspection data |
| CN112886468B (en) * | 2021-01-12 | 2022-06-07 | 云南电网有限责任公司电力科学研究院 | Power transmission line region fault positioning method and device based on inspection data |
| CN114384376A (en) * | 2022-03-23 | 2022-04-22 | 浙江浙能能源服务有限公司 | Fault classification positioning method for direct-current power distribution network |
| CN114384376B (en) * | 2022-03-23 | 2022-06-24 | 浙江浙能能源服务有限公司 | Fault classification positioning method for direct-current power distribution network |
| CN114966314A (en) * | 2022-05-20 | 2022-08-30 | 贵州电网有限责任公司 | Fault point positioning method, device, equipment and computer readable storage medium |
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Application publication date: 20140514 |