CN104280666A - Auxiliary load transfer decision system used after medium voltage distribution network line breaks down - Google Patents
Auxiliary load transfer decision system used after medium voltage distribution network line breaks down Download PDFInfo
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- CN104280666A CN104280666A CN201410592762.5A CN201410592762A CN104280666A CN 104280666 A CN104280666 A CN 104280666A CN 201410592762 A CN201410592762 A CN 201410592762A CN 104280666 A CN104280666 A CN 104280666A
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Abstract
The invention discloses an auxiliary load transfer decision system used after a medium voltage distribution network line breaks down. The auxiliary load transfer decision system comprises an online line failure monitor, a data transmitter, a data receiver, a data converter, an upper computer and a visual interface which are sequentially connected. The upper computer comprises a PMS system reading module and a load transfer computing module. By means of the auxiliary load transfer decision system, the medium voltage distribution network line failure can be monitored in real time, long-distance failure data transmission is achieved through CDMA signals, the data transmitter and the data receiver can be installed independently and conveniently, and the system has the advantages that the structure is simple and clear, the interface display is visual and easy to understand, and a dispatching operator can be assisted in making a decision quickly after the medium voltage distribution network line breaks down.
Description
Technical field
The present invention relates to the aid decision-making system that a kind of medium voltage distribution network line fault afterload turns confession, especially relate to a kind of load transfer aid decision-making system based on medium voltage distribution network line fault on-line monitoring.
Background technology
Power distribution network is directly connected with power consumer, is the important component part of electric system.Power distribution network is the key link ensureing user power utilization safety, but because distribution net work structure is complicated, element is various, the Frequent Troubles of power distribution network, and the power supply reliability of power distribution network causes showing great attention to of Utilities Electric Co. and user day by day.Particularly medium voltage distribution network, as the contact tie of high-voltage distribution network and low-voltage distribution network, having the feature of closed loop design open loop operation, is also a scheduling operation part the most frequently in power distribution network.
Medium voltage distribution network line fault account for very large proportion in distribution network failure event, and the monitoring of medium voltage distribution network line fault and management and control are the focuses received much concern, and is also difficult point simultaneously.On the one hand, scheduling operation people needs the information such as the position knowing faulty line in time; On the other hand, the load transfer after fault needs to draw embodiment, using the aid decision making instrument as scheduling operation personnel by the analysis of program.
At present, the aid decision-making system that medium voltage distribution network line fault afterload turns confession there is no application.In order to ensure security of operation and the power supply reliability of power distribution network, facilitating the faulty line of scheduling operation personnel Timeliness coverage medium voltage distribution network simultaneously and help it to make the decision-making of load transfer, aly to turn for providing the system of aid decision making for medium voltage distribution network line fault afterload in the urgent need to researching and developing.
Summary of the invention
The object of the invention is to overcome the defect of prior art and provide a kind of medium voltage distribution network line fault afterload to turn the aid decision-making system of confession, so that the line fault of scheduling operation personnel Timeliness coverage medium voltage distribution network, and provide aid decision making to the formulation of load transfer scheme.
The technical scheme realizing above-mentioned purpose is:
A kind of medium voltage distribution network line fault afterload turns the aid decision-making system of confession, comprise the line fault on-line monitoring device, data transmitter, data sink, data converter, host computer, the visualization interface that connect successively, described host computer comprises PMS system read module and load transfer computing module, wherein:
Described line fault on-line monitoring device is connected with described data transmitter by data line, described line fault on-line monitoring device is arranged on medium voltage distribution network circuit, in order to monitor described medium voltage distribution network circuit whether fault, and give described data transmitter by line fault information by data line transfer;
Described data transmitter receives the line fault information from described line fault on-line monitoring device, and described line fault information is passed through CDMA Signal transmissions to described data sink;
Described data sink is positioned at power distribution network dispatching center machine room, and be connected with described data converter by data line, described data sink receives the CDMA signal comprising line fault information from described data transmitter, and gives described data converter by it by data line transfer;
Described data converter receives the CDMA signal comprising line fault information from described data sink, described line fault information is converted to the line fault data of the data layout that described host computer can identify, and these line fault data are transferred to the described load transfer computing module of described host computer;
Described PMS system (electric power management system) read module reads the medium voltage distribution network topology data in PMS system, and is imported into described load transfer computing module;
Described load transfer computing module receives the described medium voltage distribution network topology data from described PMS system read module and the described line fault data from described data converter, and according to described medium voltage distribution network topology data and described line fault data, calculate the load transfer scheme after line fault, and the program is transferred to described visualization interface;
Described visualization interface is positioned at the giant-screen of power distribution network dispatching center, in order to receive from the load transfer scheme after the line fault of described load transfer computing module, and the program is displayed in the mode of SVG figure (scalable vector graphics).
Compared with prior art, the present invention has the following advantages:
1) present invention achieves the Real-Time Monitoring of medium voltage distribution network line fault, be convenient to scheduling operation personnel and know line fault information in time.
2) the present invention achieves the long-distance transmissions of medium voltage distribution network line fault information by CDMA signal, is convenient to the independence installation of data transmitter, data sink.
3) the present invention is by the load transfer computing module in host computer, achieves the function calculating load transfer scheme according to medium voltage distribution network topology data and line fault data.
4) the present invention is by the load transfer schemes show after line fault on visualization interface, and auxiliary dispatching operating personnel make a policy fast.
Accompanying drawing explanation
Fig. 1 is the block diagram that medium voltage distribution network line fault afterload of the present invention turns the aid decision-making system of confession.
Embodiment
The present inventor, in order to understand technical scheme of the present invention better, below by embodiment particularly, and is described in detail by reference to the accompanying drawings:
Refer to Fig. 1, embodiments of the invention, a kind of medium voltage distribution network line fault afterload turns the aid decision-making system of confession, comprise the line fault on-line monitoring device 1, data transmitter 2, data sink 3, data converter 4, host computer 5 and the visualization interface 6 that connect successively, host computer comprises PMS system read module 51 and load transfer computing module 52.PMS system read module 51 is connected with load transfer computing module 52, and the input end of load transfer computing module 52 is connected with data converter 4, and the output terminal of load transfer computing module 52 is connected with visualization interface 6.
Line fault on-line monitoring device 1 is connected with data transmitter 2 by data line, line fault on-line monitoring device 1 is arranged on medium voltage distribution network circuit, in order to monitor medium voltage distribution network circuit whether fault, and by line fault information by data line transfer to data transmitter 2.
Data transmitter 2 receives the line fault information from line fault on-line monitoring device 1, and line fault information is passed through CDMA Signal transmissions to data sink 3.
Data sink 3 is positioned at power distribution network dispatching center machine room, and is connected with data converter 4 by data line, and data sink 3 receives the CDMA signal comprising line fault information from data transmitter 2, and by its by data line transfer to data converter 4.
Data converter 4 receives the CDMA signal comprising line fault information from data sink 3, line fault information is converted to the line fault data of the data layout that host computer 5 can identify, and these line fault data are transferred to the load transfer computing module 52 of host computer 5.
Host computer 5 is connected with data converter 4, and it comprises PMS system read module 51 and load transfer computing module 52.
PMS system read module 51 reads the medium voltage distribution network topology data in PMS system, and is imported into load transfer computing module 52.
Load transfer computing module 52 receives the medium voltage distribution network topology data from PMS system read module 51 and the line fault data from data converter 4, and according to medium voltage distribution network topology data and line fault data, calculate the load transfer scheme after line fault, and the program is transferred to described visualization interface 6; Particularly, first, load transfer computing module 52 finds the position of faulty line institute on-load by the original medium voltage distribution network topological structure read from PMS system; Then, according to original medium voltage distribution network topological structure and line fault data, form the up-to-date medium voltage distribution network topological structure after considering line fault; Finally, based on described up-to-date topological structure, according to the position of described faulty line institute on-load, obtain the load transfer scheme after fault by dijkstra's algorithm, and the program is transferred to described visualization interface 6.
Visualization interface 6 is positioned at the giant-screen of power distribution network dispatching center, in order to receive from the load transfer scheme after the line fault of load transfer computing module 52, and the program is displayed in the mode of SVG figure.
In sum, the present invention has Real-Time Monitoring medium voltage distribution network line fault, realize failure message long-distance transmissions by CDMA signal and be convenient to data transmitter 2 and the independent installation of data sink 3, system architecture is simply clear, the advantages such as showing interface is visual and understandable, can after medium voltage distribution network line fault, auxiliary dispatching operating personnel make a policy fast.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (1)
1. a medium voltage distribution network line fault afterload turns the aid decision-making system of confession, it is characterized in that, comprise the line fault on-line monitoring device, data transmitter, data sink, data converter, host computer, the visualization interface that connect successively, described host computer comprises PMS system read module and load transfer computing module, wherein:
Described line fault on-line monitoring device is connected with described data transmitter by data line, described line fault on-line monitoring device is arranged on medium voltage distribution network circuit, in order to monitor described medium voltage distribution network circuit whether fault, and give described data transmitter by line fault information by data line transfer;
Described data transmitter receives the line fault information from described line fault on-line monitoring device, and described line fault information is passed through CDMA Signal transmissions to described data sink;
Described data sink is positioned at power distribution network dispatching center machine room, and be connected with described data converter by data line, described data sink receives the CDMA signal comprising line fault information from described data transmitter, and gives described data converter by it by data line transfer;
Described data converter receives the CDMA signal comprising line fault information from described data sink, described line fault information is converted to the line fault data of the data layout that described host computer can identify, and these line fault data are transferred to the described load transfer computing module of described host computer;
Described PMS system read module reads the medium voltage distribution network topology data in PMS system, and is imported into described load transfer computing module;
Described load transfer computing module receives the described medium voltage distribution network topology data from described PMS system read module and the described line fault data from described data converter, and according to described medium voltage distribution network topology data and described line fault data, calculate the load transfer scheme after line fault, and the program is transferred to described visualization interface;
Described visualization interface is positioned at the giant-screen of power distribution network dispatching center, in order to receive from the load transfer scheme after the line fault of described load transfer computing module, and the program is displayed in the mode of SVG figure.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114243697A (en) * | 2021-12-24 | 2022-03-25 | 国网上海市电力公司 | Intelligent load transfer method based on multi-source mutual check |
| CN116566063A (en) * | 2023-07-07 | 2023-08-08 | 山东昊能电力建设有限公司 | Intelligent power grid electricity consumption safety supervision method and system based on Internet of things |
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Application publication date: 20150114 |