CN204925314U - Distribution network checkout system that fault locating used - Google Patents

Distribution network checkout system that fault locating used Download PDF

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Publication number
CN204925314U
CN204925314U CN201520685612.9U CN201520685612U CN204925314U CN 204925314 U CN204925314 U CN 204925314U CN 201520685612 U CN201520685612 U CN 201520685612U CN 204925314 U CN204925314 U CN 204925314U
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China
Prior art keywords
module
distribution network
fault
power distribution
localization
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Expired - Fee Related
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CN201520685612.9U
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Chinese (zh)
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张洁
张敏
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Individual
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Individual
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    • 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
    • Y04S10/52Outage or fault management, e.g. fault detection or location

Abstract

The utility model discloses a distribution network checkout system that fault locating used, include: a plurality of fault detection devices of setting on many branch line, through the monitoring host of wireless communication with fault detection device communication connection, the fault detection device includes: electric current signal acquisition module, voltage signal acquisition module, filter module, orientation module, power module, data processing module still include the storage module, the wireless communication module that are connected with data processing module, monitoring host includes fault handling module and geographic information display module. This distribution network checkout system that fault locating used, can the accurate determination trouble take place the position and not restricted by distribution net shape formula, be favorable to improving electric power system safe and reliable operation index.

Description

A kind of power distribution network check system of localization of fault
Technical field
The utility model relate to electrical net detect field, particularly relate to a kind of power distribution network check system of localization of fault.
Background technology
The technical matterss such as power distribution network, in erection process, is usually selected on remoter position, therefore, be there is localization of fault difficulty when power distribution network breaks down, and failture evacuation is inconvenient.Present employing is broken down the method looking up the fault of artificial line walking, and searching at every turn and fixing a breakdown at least needs several hours, and automatization level is not high, will consume a large amount of human resources, cannot meet the needs that growing distribution line runs.Therefore, develop that a kind of fault to power distribution network is carried out online, in time, the system of monitor is very necessary.
But traditional intelligence detection method carries out isolated processing, simply cumulative to various different information, not only can cause the increase of information processing work amount, and the organic connections can cut off between information, a large amount of fault characteristics that drop-out organic assembling contains, cause the waste of information resources; Reduce investigation efficiency and the maintenance efficiency of fault simultaneously.
Utility model content
In order to solve described the deficiencies in the prior art, the utility model provides a kind of power distribution network check system of localization of fault, can Accurate Measurement fault there is position and do not limit by power distribution network form, be conducive to raising power system security reliability service index.
Technical problem to be solved in the utility model is achieved by the following technical programs:
A power distribution network check system for localization of fault, is characterized in that, comprising: the monitoring host computer be arranged on the multiple failure detectors on many branched lines, being communicated to connect by communication and failure detector; Described failure detector comprises:
Current signal collection module, is connected with current transformer, for Real-time Collection current signal;
Voltage signal acquisition module, is connected with voltage transformer (VT), for Real-time Collection voltage signal;
Filtration module, respectively with current signal collection module and voltage signal acquisition model calling;
Locating module, for obtaining geographical location information;
Power module, for described failure detector is powered;
Data processing module, is connected with filtration module, locating module and acquisition module respectively, for the data analysis process to collection;
Also comprise the memory module, the wireless communication module that are connected with data processing module;
Described monitoring host computer comprises fault handling and geography information display module.
Preferably, described power module adopts current transformer and voltage transformer (VT) power taking, high capacity cell are powered, solar powered and/or powered by wind energy.
Preferably, the power distribution network single-phase grounding comprehensive protecting device be arranged on the substation bus bar of power distribution network is also comprised.
Preferably, described failure detector is connected with block switch, branch circuit breaker, utilizes described block switch, the branch circuit breaker fault zone to described abort situation place to isolate.
Preferably, described communication is Single mode communication mode or dual mode communication mode.
More preferably, described monitoring host computer also comprises the warning device for carrying out reporting to the police according to information processing situation, and described warning device comprises rotary caution light and the mobile phone for receiving warning message.
The utility model has following beneficial effect:
The utility model is by being separately positioned on the failure detector on branched line, a large amount of fault signatures that abundant information extraction organic assembling contains, accurately can extract the multi-source failure message taking into account correlativity, guarantee accurately searching and isolating of earth fault line, improve the running quality of electric system further; Signal, directly from current transformer and voltage transformer (VT) collection, without the need to increasing special utility appliance, does not affect the operation of electrical equipment, simple to operate, safe, reliable; Filtration module is adopted to improve the antijamming capability of device; By arranging memory module, the information making system also can store sense terminals in dead electricity situation to collect, improves breakdown judge efficiency; By adopting wireless telecommunications side to carry out information transmission, decreasing the use of signal wire in distribution network fault detection system, reducing engineering cost; By arranging the mobile phone for receiving warning message, technician can receive warning message whenever and wherever possible, improves electric network fault and robs.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model power distribution network check system.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
The power distribution network check system of a kind of localization of fault as shown in Figure 1, it comprises: be arranged on the monitoring host computer in Surveillance center and be arranged on the multiple failure detectors on many branched lines, and described monitoring host computer and multiple failure detector realize communicating to connect by communication; Described failure detector comprises: current signal collection module, voltage signal acquisition module, filtration module, analog-to-digital conversion module, locating module, power module, data processing module, memory module, wireless communication module, wherein, described current signal collection module is connected with current transformer, for Real-time Collection power distribution network three-phase current signal; Described voltage signal acquisition module is connected with voltage transformer (VT), for Real-time Collection power distribution network three-phase supply and residual voltage signal; Described filtration module, respectively with current signal collection module and voltage signal acquisition model calling, for extract respectively current signal and voltage signal positive-sequence component, negative sequence component, zero-sequence component, idle component, real component, transient state component and steady-state component; Described data processing module is connected with filtration module by analog-to-digital conversion module, for obtaining data message, and carry out analyzing and processing, described data processing module comprises the analysis module of current signal limit distribution, the computing module of the voltage signal marginal analysis module, current signal and the voltage signal joint distribution function that distribute, the computing module of this current signal and voltage signal joint distribution function, by building Copula contiguous function, draws the multi-source failure message taking into account correlativity; Described data processing module is also connected with locating module, memory module, power module and wireless communication module respectively, and described locating module is for obtaining geographical location information, and described power module is that described failure detector is powered; Described monitoring host computer comprises fault handling and geography information display module.
Further, described failure detector is connected with block switch, branch circuit breaker, utilizes described block switch, the branch circuit breaker fault zone to described abort situation place to isolate.Failure detector due to power distribution network is distributed in 10kV distribution line branch, and power supply mode can take various ways to combine, as adopted current transformer and voltage transformer (VT) power taking, high capacity cell, solar powered and/or powered by wind energy.Utilize electromagnetic induction principle, by contactless electromagnetic sensor from circuit power taking, coordinate rechargeable battery, form supply voltage.For underload or intermittent load circuit, use sun power or powered by wind energy mode.
Further, described power distribution network check system also comprises the power distribution network single-phase grounding comprehensive protecting device be arranged on the substation bus bar of power distribution network.
Further, described communication is Single mode communication method or dual mode communication mode, but is not limited to this.
During specific implementation, described monitoring host computer also comprises the warning device for carrying out reporting to the police according to information processing situation, and described warning device comprises rotary caution light and the mobile phone for receiving warning message.
The above embodiment only have expressed embodiment of the present utility model; it describes comparatively concrete and detailed; but therefore can not be interpreted as the restriction to the utility model the scope of the claims; in every case the technical scheme adopting the form of equivalent replacement or equivalent transformation to obtain, all should drop within protection domain of the present utility model.

Claims (6)

1. a power distribution network check system for localization of fault, is characterized in that, comprising: the monitoring host computer be arranged on the multiple failure detectors on many branched lines, being communicated to connect by communication and failure detector; Described failure detector comprises: current signal collection module, is connected with current transformer, for Real-time Collection current signal; Voltage signal acquisition module, is connected with voltage transformer (VT), for Real-time Collection voltage signal; Filtration module, respectively with current signal collection module and voltage signal acquisition model calling; Locating module, for obtaining geographical location information; Power module, for described failure detector is powered; Data processing module, respectively with filtration module, locating module and current signal collection module and voltage signal acquisition model calling, for the data analysis process to collection; Also comprise the memory module, the wireless communication module that are connected with data processing module; Described monitoring host computer comprises fault processing module and geography information display module.
2. the power distribution network check system of localization of fault according to claim 1, is characterized in that, described power module adopts current transformer and voltage transformer (VT) power taking, high capacity cell are powered, solar powered and/or powered by wind energy.
3. the power distribution network check system of localization of fault according to claim 1, is characterized in that, also comprises the power distribution network single-phase grounding comprehensive protecting device be arranged on the substation bus bar of power distribution network.
4. the power distribution network check system of localization of fault according to claim 1, it is characterized in that, described failure detector is connected with block switch, branch circuit breaker, utilizes described block switch, the branch circuit breaker fault zone to described abort situation place to isolate.
5. the power distribution network check system of localization of fault according to claim 1, is characterized in that, described communication is Single mode communication mode or dual mode communication mode.
6. the power distribution network check system of localization of fault according to claim 1, it is characterized in that, described monitoring host computer also comprises the warning device for carrying out reporting to the police according to information processing situation, and described warning device comprises rotary caution light and the mobile phone for receiving warning message.
CN201520685612.9U 2015-09-07 2015-09-07 Distribution network checkout system that fault locating used Expired - Fee Related CN204925314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520685612.9U CN204925314U (en) 2015-09-07 2015-09-07 Distribution network checkout system that fault locating used

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107677411A (en) * 2017-08-21 2018-02-09 安徽省颍上县正泰电器有限责任公司 A kind of gas pressure monitoring device
CN109100613A (en) * 2018-08-22 2018-12-28 国网江苏省电力有限公司盐城供电分公司 It is a kind of based on the distribution network failure on-line checking positioning system measured indirectly
CN111953297A (en) * 2019-05-17 2020-11-17 汉能移动能源控股集团有限公司 Arc fault detection positioning device and system
CN114113895A (en) * 2021-11-27 2022-03-01 广东电网有限责任公司广州供电局 Distribution network fault detection device and system
CN116544877A (en) * 2023-05-20 2023-08-04 中海石油(中国)有限公司湛江分公司 Relay protection device for real-time monitoring of submarine cable current of offshore oil platform

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107677411A (en) * 2017-08-21 2018-02-09 安徽省颍上县正泰电器有限责任公司 A kind of gas pressure monitoring device
CN109100613A (en) * 2018-08-22 2018-12-28 国网江苏省电力有限公司盐城供电分公司 It is a kind of based on the distribution network failure on-line checking positioning system measured indirectly
CN111953297A (en) * 2019-05-17 2020-11-17 汉能移动能源控股集团有限公司 Arc fault detection positioning device and system
CN114113895A (en) * 2021-11-27 2022-03-01 广东电网有限责任公司广州供电局 Distribution network fault detection device and system
CN116544877A (en) * 2023-05-20 2023-08-04 中海石油(中国)有限公司湛江分公司 Relay protection device for real-time monitoring of submarine cable current of offshore oil platform
CN116544877B (en) * 2023-05-20 2024-02-20 中海石油(中国)有限公司湛江分公司 Relay protection device for real-time monitoring of submarine cable current of offshore oil platform

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Termination date: 20160907

CF01 Termination of patent right due to non-payment of annual fee