CN204188746U - Fault distance measuring system for medium-high voltage transmission line - Google Patents
Fault distance measuring system for medium-high voltage transmission line Download PDFInfo
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- CN204188746U CN204188746U CN201420549102.4U CN201420549102U CN204188746U CN 204188746 U CN204188746 U CN 204188746U CN 201420549102 U CN201420549102 U CN 201420549102U CN 204188746 U CN204188746 U CN 204188746U
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- 230000004807 localization Effects 0.000 claims description 83
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- 238000004458 analytical method Methods 0.000 description 6
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- 238000005070 sampling Methods 0.000 description 3
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Abstract
The utility model discloses a middle and high voltage transmission line fault location system, which comprises a first acquisition terminal (1), a fault location historical database server (3), a fault location calculation workstation (4) and an Ethernet switch; the first acquisition terminal (1) is composed of a first RJ-45 interface, a first network adapter and a first I/O bus interface, the first RJ-45 interface and the first I/O bus interface are respectively connected with corresponding interfaces of the first network adapter, the first RJ-45 interface is connected with a protection action and fault information management system of a medium-high voltage transmission line to be tested, the first I/O bus interface is connected with a historical database server (3) through a bus, and the historical database server (3) and a fault distance measurement calculation workstation (4) are respectively connected into an Ethernet switch. The utility model discloses a fault location system has established corresponding communication connection passageway between each server, the workstation to the intercommunication of information.
Description
Technical field
The utility model relates to a kind of medium-high voltage transmission lines road fault localization system, belongs to Power System Faults Detection field.
Background technology
Transmission line of electricity is responsible for the vital task of transmission of electric energy, after ultra-high-tension power transmission line breaks down, and will to Operation of Electric Systems, industrial and agricultural production and the harm of people's lives band.Carry out localization of fault quickly and accurately, and restore electricity in time, find insulation hidden danger and take the precautionary measures, effectively will improve transmission line of electricity reliability of operation and reduce because of the great comprehensive loss caused that has a power failure.
Current 110kV and above electrical network scale is increasing, the mode of connection and the method for operation more and more various, long line, short-term are cross-linked and the situation of frame is tending towards complicated, and existing fault distance-finding method can not well adapt to this present situation.Simultaneously except the impact of the precision of Fault Location Algorithm own, the accuracy of transmission line parameter, the factor such as fault transient Attenuation-corrected algorithm and the size of damping time constant, the sampling rate of two ends data sampling and synchronism, make the fault localization result based on fault recorder data usually there is larger error with actual line walking result.Simultaneously, due to the impact of the factors such as circuit two ends Temporal Data form is inconsistent, file layout is lack of standardization, sampling rate is inconsistent, synchronous clock inefficacy, reduce the validity of Two-terminal Fault Location, and one-end fault ranging method is very large by the impact of fault resistance, precision is low.
Generally speaking, by the impact of above-mentioned factor, existing fault distance-finding method is all undesirable at the effect of actual field, and range measurement error is large, and stability is low, and confidence level is not high; In addition, not yet make full use of historical failure data, fail fully to combine the effective information assist trouble location protecting the system such as communication system, lighting location, limit the directive function to the work such as line walking, fast power restoration.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of medium-high voltage transmission lines road fault localization system.
Solve the problems of the technologies described above, the technical scheme that the utility model adopts is as follows:
A kind of medium-high voltage transmission lines road fault localization system, is characterized in that: described medium-high voltage transmission lines road fault localization system comprises the first acquisition terminal, fault localization historical database server, fault localization evaluation work station and Ethernet switch; Described first acquisition terminal is made up of a RJ-45 interface, first network adapter and an I/O bus interface; a described RJ-45 interface is connected with the corresponding interface of first network adapter respectively with an I/O bus interface; a described RJ-45 interface connects protection act and the fault information management system on tested medium-high voltage transmission lines road; a described I/O bus interface is connected with historical database server by bus, and described Ethernet switch is accessed at described historical database server and fault localization evaluation work station respectively.
Improve as one of the present utility model, described medium-high voltage transmission lines road fault localization system also comprises the second acquisition terminal and fault localization knowledge base server, described second acquisition terminal is by the 2nd RJ-45 interface, second network adapter and the 2nd I/O bus interface composition, described 2nd RJ-45 interface is connected with the corresponding interface of two network adapter respectively with the 2nd I/O bus interface, described 2nd RJ-45 interface connects the thunder and lightning positioning system on tested medium-high voltage transmission lines road, described 2nd I/O bus interface is connected with historical database server by bus, described fault localization knowledge base server accesses described Ethernet switch.
Improve as one of the present utility model, described medium-high voltage transmission lines road fault localization system also comprises fault localization expert system workstation; Fault localization expert system workstation accesses described Ethernet switch.
Improve as one of the present utility model, described medium-high voltage transmission lines road fault localization system also comprises WEB server and line walking handheld terminal; WEB server accesses described Ethernet switch, and described line walking handheld terminal is connected with WEB server radio communication.
As a kind of embodiment of the present utility model, described line walking handheld terminal is provided with message processing module, wireless communication control module, power module and Subscriber Interface Module SIM; Described wireless communication control module, power module and Subscriber Interface Module SIM are connected respectively to the corresponding port of message processing module, and described wireless communication control module is connected with WEB server radio communication.
As a kind of embodiment of the present utility model, described line walking handheld terminal is also provided with GPS module, and GPS module is connected to the corresponding port of described message processing module.
As a kind of embodiment of the present utility model, described Subscriber Interface Module SIM is touch-screen.
Compared with prior art, the utility model has following beneficial effect:
First, the utility model is by being connected the first acquisition terminal with fault localization historical database server by bus, and with Ethernet switch, fault localization evaluation work station is connected with fault localization historical database server, establish between fault localization historical database server and protection act and fault information management system, and the communication connection passage between fault localization evaluation work station and fault localization historical database server, so that the intercommunication of information, fault localization evaluation work station can be obtained improve the failure wave-recording file needed for fault localization computational accuracy and history transmission line of electricity calculating parameter,
Second, the utility model is by being connected fault localization historical database server, fault localization knowledge base server with fault localization expert system workstation with Ethernet switch, establish fault localization historical database server, fault localization knowledge base server and fault localization expert system workstation communication connection passage between any two, so that the intercommunication of information, make fault localization expert system workstation can obtain the information of carrying out needed for fault locating analysis;
3rd, line walking handheld terminal is passed through WEB server access network based on ethernet switch by the utility model, establish the communication connection passage between line walking handheld terminal and fault localization knowledge base server, so that the intercommunication of information, make track walker can obtain fault localization result by line walking handheld terminal and return line walking information by line walking handheld terminal.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the system chart of medium-high voltage transmission lines road of the present utility model fault localization system.
Embodiment
As shown in Figure 1, medium-high voltage transmission lines road of the present utility model fault localization system, comprises the first acquisition terminal 1, second acquisition terminal 2, fault localization historical database server 3, fault localization evaluation work station 4, fault localization knowledge base server 5, fault localization expert system workstation 6, line walking handheld terminal 7, Ethernet switch and WEB server.
First acquisition terminal 1 of the present utility model and the second acquisition terminal 2 are by RJ-45 interface, network adapter and I/O bus interface composition, and wherein RJ-45 interface is connected with the corresponding interface of network adapter respectively with I/O bus interface.The RJ-45 interface of the first acquisition terminal 1 connects protection act and fault information management system; this protection act and fault information management system carry out the collection of the information such as voltage, the magnitude of current, protection switch tripping operation to tested medium-high voltage transmission lines road; the RJ-45 interface of the second acquisition terminal 2 connects the on-site lightning location system in tested medium-high voltage transmission lines road, and the first acquisition terminal 1 is connected with historical database server 3 respectively by bus with the I/O bus interface of the second acquisition terminal 2.Historical database server 3, fault localization evaluation work station 4, fault localization knowledge base server 5, fault localization expert system workstation 6 and WEB server be access network based on ethernet switch respectively, thus makes historical database server 3, fault localization evaluation work station 4, fault localization knowledge base server 5, fault localization expert system workstation 6 and WEB server can realize bidirectional data transfers between any two; Line walking handheld terminal 7 is connected by radio communication with WEB server.
Fault localization historical database server 3 of the present utility model to be received from protection act and fault information management system by the first acquisition terminal 1 and stores line protection action message and the failure wave-recording file (i.e. electrical power system transient exchanges data (COMTRADE) shared format file) on tested medium-high voltage transmission lines road, to be received from lightning location system by the second acquisition terminal 2 and store thunder and lightning positioning information, fault localization historical database server 3 also receives fault localization result and the transmission line parameter of the output of fault localization evaluation work station 4, and the transmission line parameter this received saves as history transmission line of electricity calculating parameter together with all previous transmission line parameter received.
Fault localization evaluation work station 4 of the present utility model can adopt high-performance computer to form, this high-performance computer is provided with power transmission line parameter online measurement equation of the prior art and transmission line of electricity long-line equation, it transfers the input quantity of failure wave-recording file as power transmission line parameter online measurement equation from fault localization historical database server 3, calculate and export tested medium-high voltage transmission lines road transmission line parameter now, and transfer failure wave-recording file and the history transmission line of electricity calculating parameter input quantity as transmission line of electricity long-line equation, calculate the fault localization result exporting tested medium-high voltage transmission lines road.
Fault localization knowledge base server 5 of the present utility model reads from fault localization historical database server 3 and preserves up-to-date fault localization result, thunder and lightning positioning information and fault locating analysis report, and is issued to line walking handheld terminal 7 by WEB server.
Fault localization expert system workstation 6 of the present utility model can adopt high-performance computer to form, this high-performance computer is provided with existing change power analytic approach model, it transfers fault localization result and thunder and lightning positioning information that fault localization knowledge base server 5 stores as the input quantity becoming power analytic approach model, thus draw tested medium-high voltage transmission lines curb line each point likelihood of failure and form fault locating analysis report, fault locating analysis report output is also preserved to fault localization historical database server 3 by fault localization expert system workstation 6.
Line walking handheld terminal 7 of the present utility model can adopt existing PDA terminal device, it is provided with message processing module, wireless communication control module, power module, Subscriber Interface Module SIM and GPS module, wireless communication control module, power module, Subscriber Interface Module SIM and GPS module are connected respectively to the corresponding port of message processing module, wireless communication control module is connected with WEB server radio communication, Subscriber Interface Module SIM selects touch-screen, and wireless communication module can be GSM, TD-SCDMA, WCDMA, CDMA2000, TD-LTE, FDD-LTE module.Fault localization result, thunder and lightning positioning information and the fault locating analysis report that line walking is issued by WEB server reception fault localization knowledge base server 5 with handheld terminal 7, thinks that track walker provides reference.Track walker also inputs line walking information by line walking handheld terminal 7 at scene, tested medium-high voltage transmission lines road and returns fault localization knowledge base server 5 by WEB server, to refresh fault localization analysis result.
The utility model does not limit to and above-mentioned embodiment; according to foregoing; according to ordinary technical knowledge and the customary means of this area; do not departing under the utility model above-mentioned basic fundamental thought prerequisite; the utility model can also make the equivalent modifications of other various ways, replacement or change, all drops among protection domain of the present utility model.
Claims (7)
1. a medium-high voltage transmission lines road fault localization system, is characterized in that: described medium-high voltage transmission lines road fault localization system comprises the first acquisition terminal (1), fault localization historical database server (3), fault localization evaluation work station (4) and Ethernet switch, described first acquisition terminal (1) is by a RJ-45 interface, first network adapter and I/O bus interface composition, a described RJ-45 interface is connected with the corresponding interface of first network adapter respectively with an I/O bus interface, a described RJ-45 interface connects protection act and the fault information management system on tested medium-high voltage transmission lines road, a described I/O bus interface is connected with historical database server (3) by bus, described Ethernet switch is accessed at described historical database server (3) and fault localization evaluation work station (4) respectively.
2. medium-high voltage transmission lines road according to claim 1 fault localization system, it is characterized in that: described medium-high voltage transmission lines road fault localization system also comprises the second acquisition terminal (2) and fault localization knowledge base server (5), described second acquisition terminal (2) is by the 2nd RJ-45 interface, second network adapter and the 2nd I/O bus interface composition, described 2nd RJ-45 interface is connected with the corresponding interface of two network adapter respectively with the 2nd I/O bus interface, described 2nd RJ-45 interface connects the lightning location system on tested medium-high voltage transmission lines road, described 2nd I/O bus interface is connected with historical database server (3) by bus, described fault localization knowledge base server (5) accesses described Ethernet switch.
3. medium-high voltage transmission lines road according to claim 2 fault localization system, is characterized in that: described medium-high voltage transmission lines road fault localization system also comprises fault localization expert system workstation (6); Fault localization expert system workstation (6) accesses described Ethernet switch.
4. the medium-high voltage transmission lines road fault localization system according to Claims 2 or 3, is characterized in that: described medium-high voltage transmission lines road fault localization system also comprises WEB server and line walking handheld terminal (7); WEB server accesses described Ethernet switch, and described line walking handheld terminal (7) is connected with WEB server radio communication.
5. medium-high voltage transmission lines road according to claim 4 fault localization system, is characterized in that: described line walking handheld terminal (7) is provided with message processing module, wireless communication control module, power module and Subscriber Interface Module SIM; Described wireless communication control module, power module and Subscriber Interface Module SIM are connected respectively to the corresponding port of message processing module, and described wireless communication control module is connected with WEB server radio communication.
6. medium-high voltage transmission lines road according to claim 5 fault localization system, is characterized in that: described line walking handheld terminal (7) is also provided with GPS module, and GPS module is connected to the corresponding port of described message processing module.
7. medium-high voltage transmission lines road according to claim 6 fault localization system, is characterized in that: described Subscriber Interface Module SIM is touch-screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420549102.4U CN204188746U (en) | 2014-09-23 | 2014-09-23 | Fault distance measuring system for medium-high voltage transmission line |
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| CN201420549102.4U CN204188746U (en) | 2014-09-23 | 2014-09-23 | Fault distance measuring system for medium-high voltage transmission line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301447A (en) * | 2015-11-10 | 2016-02-03 | 上海交通大学 | Flexible DC power transmission system cable monopolar fault range finding method |
| CN105425107A (en) * | 2015-11-13 | 2016-03-23 | 国网山东省电力公司电力科学研究院 | Method and system for active power distribution network fault diagnosis and location |
| CN111736036A (en) * | 2020-07-01 | 2020-10-02 | 广东电网有限责任公司 | Fault location system and method for power transmission line |
| CN116466183A (en) * | 2023-04-14 | 2023-07-21 | 国网四川省电力公司成都供电公司 | 5G-based power transmission line fault point monitoring system |
-
2014
- 2014-09-23 CN CN201420549102.4U patent/CN204188746U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301447A (en) * | 2015-11-10 | 2016-02-03 | 上海交通大学 | Flexible DC power transmission system cable monopolar fault range finding method |
| CN105301447B (en) * | 2015-11-10 | 2018-08-17 | 上海交通大学 | Flexible direct current power transmission system cable monopole fault distance-finding method |
| CN105425107A (en) * | 2015-11-13 | 2016-03-23 | 国网山东省电力公司电力科学研究院 | Method and system for active power distribution network fault diagnosis and location |
| CN105425107B (en) * | 2015-11-13 | 2018-09-28 | 国网山东省电力公司电力科学研究院 | A kind of method and its system of active power distribution network fault diagnosis and location |
| CN111736036A (en) * | 2020-07-01 | 2020-10-02 | 广东电网有限责任公司 | Fault location system and method for power transmission line |
| CN116466183A (en) * | 2023-04-14 | 2023-07-21 | 国网四川省电力公司成都供电公司 | 5G-based power transmission line fault point monitoring system |
| CN116466183B (en) * | 2023-04-14 | 2023-12-19 | 国网四川省电力公司成都供电公司 | 5G-based power transmission line fault point monitoring system |
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Effective date of registration: 20200426 Address after: Guangzhou Yuexiu District City, Guangdong province 510060 Dongfeng Road No. 757 Co-patentee after: Dongguan Power Supply Bureau of Guangdong Power Grid Co., Ltd Patentee after: GUANGDONG POWER GRID Co.,Ltd. Address before: 523008, 239, Dongcheng building, Dongcheng District, Guangdong, Dongguan Co-patentee before: GUANGZHOU JIAYUAN ELECTRIC POWER TECHNOLOGY Co.,Ltd. Patentee before: Dongguan Power Supply Bureau of Guangdong Power Grid Co., Ltd |