CN101452640B - Electric network thunder and lightning positioning information transmission method and system - Google Patents
Electric network thunder and lightning positioning information transmission method and system Download PDFInfo
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- CN101452640B CN101452640B CN200710171505A CN200710171505A CN101452640B CN 101452640 B CN101452640 B CN 101452640B CN 200710171505 A CN200710171505 A CN 200710171505A CN 200710171505 A CN200710171505 A CN 200710171505A CN 101452640 B CN101452640 B CN 101452640B
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Abstract
The invention provides a method and a system for transmitting electric network lightning positioning information, in particular a method and a system for transmitting the electric network lightning positioning information through a dual communication channel of an electric private network which adopts time-division multiplexing to transmit real-time data and an enterprise local area network which is based on IP interconnection protocol. The method and the system improve the reliability of transmitting lightning control points to a lightning positioning analysis center, so as to increase the operational stability of a lightning positioning monitoring system.
Description
Technical field
The present invention relates to a kind of electric network thunder and lightning positioning information transmission method and system, particularly relate to a kind of method and system of electric network thunder and lightning positioning information dual communication channel transfer.
Background technology
Damage to crops caused by thunder weather is huge to the harm that electric system causes, and the thunderbolt circuit causes the tripping operation accident, influences power supply reliability; If generating plant, electric substation build damage to crops caused by thunder in frequent area taking place, just be easy to cause large-area power-cuts, influences the safety in production of every profession and trade.Because behind the transmission line of lightning strike, lightning fault point is difficult for accurately, location fast, and the lightning protection characteristic of circuit also can't quantitative evaluation, therefore, makes troubles and bother for the processing defective.
The thunder and lightning positioning monitoring system adopts the thunder and lightning telemetry exactly, realizes the location of lightning fault point and the statistics of lightning parameter.This system can realize the measurement of the Nature thunderbolt situation, reception, and the thunder and lightning raw information, the locating information that receive are carried out the parameter analysis; The real-time information of the accidents such as line-breaker tripping operation that thunder and lightning data network server receiving scheduling automated system provides cooperates with thunder and lightning positioning analysis application software, can realize automatic inquiry, shows the related data of power circuit lightning fault.
The transmission of electric network thunder and lightning positioning information generally adopts special line private network mode to communicate by letter, in case fault has taken place this private communication mode special line private network or certain transmission line interrupts for some reason, will cause communication disruption, influences the normal operation of lightning location system.Therefore, existing thunder and lightning check point can not effectively be ensured to the transmission reliability at thunder and lightning positioning analysis center.
Summary of the invention
The present invention aims to provide a kind of electric network thunder and lightning positioning information transmission method and system; A kind of method and system of electric network thunder and lightning positioning information dual communication channel transfer particularly are provided; With the reliability of raising thunder and lightning check point, thereby increase the stability that the thunder and lightning positioning monitoring system moves to thunder and lightning positioning analysis central transmission.
A kind of electric network thunder and lightning positioning information transmission method provided by the present invention comprises:
The burst of thunder and lightning check point sends to thunder and lightning positioning analysis center via electric power private wire network and IP network dual communication passage simultaneously:
The burst that thunder and lightning positioning analysis center receives the thunder and lightning check point carries out data processing.
As optimized technical scheme:
Described burst is that the thunder and lightning check point is struck by lightning and the pulse signal that produces.
Described electric power private wire network is the powerline network that adopts the time division multiplex transmitting real-time data.
Described IP network is based on the intranet of IP interconnection protocol.
Described being meant simultaneously at one time sent.
The present invention also provides a kind of electric network thunder and lightning positioning information transmission system that is applicable to said method, comprising:
Electric power private wire network equipment contains and is applicable to center modulator-demodular unit power communication system, that can communicate by letter with each thunder and lightning check point, and this center modulator-demodular unit comprises: several receiver transmitters and a synchronous unit;
IP network equipment comprises equipment such as server, center switch, router.
Above-mentioned a kind of electric network thunder and lightning positioning information transmission system, wherein, described receiver transmitter is used for communicating by letter with a plurality of thunder and lightning check points on relevant different transmission lines through using the time division multiplex transmission plan.
Above-mentioned a kind of electric network thunder and lightning positioning information transmission system, wherein, described lock unit is used to coordinate the signal of a plurality of transmitter-receiver transmission, makes that data transmission is a time division multiplex and synchronous.
The invention has the beneficial effects as follows:
The method and system of electric network thunder and lightning positioning information dual communication channel transfer of the present invention have improved the reliability of thunder and lightning check point to thunder and lightning positioning analysis central transmission, thereby increase the stability of thunder and lightning positioning monitoring system operation; Antijamming capability of the present invention is strong, has improved frequency efficiency, and power system capacity increases, and thunder and lightning positioning analysis center complicacy reduces; The present invention has improved the soundness and the security of network greatly; The present invention makes the thunder and lightning check point obtain effective guarantee to the transmission reliability at thunder and lightning positioning analysis center.
Owing to adopted above-mentioned technical solution; The method and system of electric network thunder and lightning positioning information dual communication channel transfer of the present invention have guaranteed the normal operation of thunder and lightning positioning monitoring system through ensureing the reliable transmission of thunder and lightning check point to thunder and lightning positioning analysis center, make system that lightening activity trend can be provided rapidly; Help the dispatcher to make a strategic decision; To search the lightning fault point fast, recover to send electricity in advance, reduce power off time; Guaranteed the normal operation of thunder and lightning positioning monitoring system, made this system can normally accumulate the tired thunder and lightning data in somewhere,, thereby improved the correctness and the Technological Economy property of lightning protection work for the optimal design of power transmission and transforming equipment lightning protection creates conditions.
Description of drawings
Fig. 1 is an electric network thunder and lightning positioning information transmission synoptic diagram of the present invention.
Embodiment
As shown in Figure 1, a kind of electric network thunder and lightning positioning information transmission method is: the thunder and lightning check point is struck by lightning and the burst of pulses signal that produces sends to thunder and lightning positioning analysis center via the electric power private wire network that adopts the time division multiplex transmitting real-time data with based on the intranet dual communication passage of IP interconnection protocol at one time.The burst that thunder and lightning positioning analysis center receives the thunder and lightning check point carries out data processing.
The electric network thunder and lightning positioning information transmission system comprises electric power private wire network equipment and IP network equipment;
Electric power private wire network equipment contains and is applicable to center modulator-demodular unit power communication system, that can communicate by letter with each thunder and lightning check point, and this center modulator-demodular unit comprises: several receiver transmitters and a synchronous unit; Receiver transmitter is used for communicating by letter with a plurality of thunder and lightning check points on relevant different transmission lines through using the time division multiplex transmission plan; Lock unit is used to coordinate the signal of a plurality of transmitter-receiver transmission, makes that data transmission is a time division multiplex and synchronous.
IP network equipment comprises equipment such as server, center switch, router.
Electric network thunder and lightning positioning information transmission method of the present invention adopts the electric power private wire network and the IP network dual communication passage of time division multiplex transmitting real-time data; The function that has had both two kinds of transmission modes; For the thunder and lightning check point has been taked dual fail-safe to the transmission at thunder and lightning positioning analysis center; The interrupting for some reason of one or several transmission line can not cause the communication disruption of thunder and lightning check point to thunder and lightning positioning analysis center, and one of them fault of electric power private wire network and IP network can not influence the normal operation of thunder and lightning positioning monitoring system yet.
The time division multiplex that the present invention adopted is on the wireless carrier in a broadband, is divided into periodic frame to the time, and each frame is divided into some time slots again, and each time slot is exactly a communication channel, distributes to a thunder and lightning check point.According to certain time slot allocation principle; Make each thunder and lightning check point can only be in every frame by the time slot of appointment to thunder and lightning positioning analysis center transmit (burst); Under regularly satisfied and synchronous condition, thunder and lightning positioning analysis center can receive the signal of each and not disturb mutually in each time slot.The advantage that adopts time division multiplex to bring is that antijamming capability strengthens, and frequency efficiency increases, and power system capacity increases, and thunder and lightning positioning analysis center complicacy reduces.Time division multiplex transmits and receives with different time slots, does not therefore need diplexer.While handover simple (comparing) with frequency division multiplexing.Because the thunder and lightning check point is burst type transmission discontinuously in time division multiplex; So hand-off process is very simple to thunder and lightning positioning analysis center; Because it can utilize idle other thunder and lightning check points of time slot monitoring, handover can carry out when no information transmission like this.Thereby there is no need the transmission of interrupting information, even the transmission data can not lost because of handover yet.
The IP network that the present invention adopts is based on the intranet of IP interconnection protocol; The IP agreement is actually the protocol software that a cover is made up of software program; It is unified " IP datagram " form that converts to of various differences " frame "; This conversion is a most important character of IP network, makes all various computing machines can both on IP network, realize intercommunication, promptly has the characteristics of " opening "." IP datagram " is a kind of form of packet switch, breaks into " bag " to the data sementation that is transmitted exactly, sends out again.But different with traditional " connecting-type " packet switch, it belongs to " connectionless ", is all to send out each " bag " (grouping) that breaks into as one " independently message ", so be called " datagram ".Like this, before beginning communication, just do not need to connect earlier a circuit, each datagram differs and establishes a capital through same paths transmission, so be called " connectionless ".These characteristics are extremely important, and it has improved the soundness and the security of network greatly.Each datagram all has header and these two parts of message, and required content such as location on purpose in the header makes each datagram can both arrive the destination exactly without same path.Reconfigure the data that are reduced into original transmission in the destination.This will have the function of divide into groups packing and set assembling by IP.
Therefore; Electric network thunder and lightning positioning information transmission method of the present invention adopts the electric power private wire network and the IP network dual communication passage of time division multiplex transmitting real-time data; The function that has had both two kinds of transmission modes; For the thunder and lightning check point has been taked dual fail-safe to the transmission at thunder and lightning positioning analysis center; The interrupting for some reason of one or several transmission line can not cause the communication disruption of thunder and lightning check point to thunder and lightning positioning analysis center, and one of them fault of electric power private wire network and IP network can not influence the normal operation of thunder and lightning positioning monitoring system yet.
Through evidence, the method and system of electric network thunder and lightning positioning information dual communication channel transfer of the present invention have improved the reliability of thunder and lightning check point to thunder and lightning positioning analysis central transmission, thereby increase the stability of thunder and lightning positioning monitoring system operation.
More than combine accompanying drawing embodiment that the present invention is specified, those skilled in the art can make the many variations example to the present invention according to above-mentioned explanation.Thereby some details among the embodiment should not constitute qualification of the present invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (1)
1. electric network thunder and lightning positioning information transmission method; This method is based on the electric network thunder and lightning positioning information transmission system; This system comprises: electric power private wire network equipment; Contain and be applicable to center modulator-demodular unit power communication system, that can communicate by letter with each thunder and lightning check point, this center modulator-demodular unit comprises: several receiver transmitters and a synchronous unit; IP network equipment; Comprise server, center switch, router, described receiver transmitter is used for communicating by letter with a plurality of thunder and lightning check points on relevant different transmission lines through using the time division multiplex transmission plan; Described lock unit is used to coordinate the signal of a plurality of transmitter-receiver transmission; Make that data transmission is a time division multiplex and synchronous, this method comprises:
The burst of thunder and lightning check point sends to thunder and lightning positioning analysis center via electric power private wire network and IP network dual communication passage simultaneously;
The burst that thunder and lightning positioning analysis center receives the thunder and lightning check point carries out data processing,
Described burst is that the thunder and lightning check point is struck by lightning and the pulse signal that produces,
Described electric power private wire network is the powerline network that adopts the time division multiplex transmitting real-time data,
Described IP network is based on the intranet of IP interconnection protocol,
Described being meant simultaneously at one time sent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710171505A CN101452640B (en) | 2007-11-30 | 2007-11-30 | Electric network thunder and lightning positioning information transmission method and system |
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| CN200710171505A CN101452640B (en) | 2007-11-30 | 2007-11-30 | Electric network thunder and lightning positioning information transmission method and system |
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| CN101452640B true CN101452640B (en) | 2012-09-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102708279B (en) * | 2012-04-09 | 2016-05-11 | 广东电网公司电力科学研究院 | The modeling method of lightning location system substation and device |
| CN104237734A (en) * | 2013-06-18 | 2014-12-24 | 江苏省电力试验研究院有限公司 | Method for processing thunder and lightning locating information in power grid fault diagnosis system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1812537A1 (en) * | 1990-07-09 | 1993-04-30 | Nii Vysokikh Napryazh Pri | Method of determination of distribution of annular density of lightning discharges to ground on investigated territory |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1812537A1 (en) * | 1990-07-09 | 1993-04-30 | Nii Vysokikh Napryazh Pri | Method of determination of distribution of annular density of lightning discharges to ground on investigated territory |
Non-Patent Citations (6)
| Title |
|---|
| 张怡,张锋.雷电定位系统在电力系统中的应用.浙江电力 2.2005,(2),26-29. |
| 张怡,张锋.雷电定位系统在电力系统中的应用.浙江电力 2.2005,(2),26-29. * |
| 章晋龙 |
| 章晋龙;陈辉煌;肖海军.海南电网通信网络建设分析.电力系统通信27 160.2006,27(160),21-24. * |
| 肖海军.海南电网通信网络建设分析.电力系统通信27 160.2006,27(160),21-24. |
| 陈辉煌 |
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Owner name: STATE ELECTRIC NET CROP. Effective date: 20120924 |
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Effective date of registration: 20120924 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Patentee after: Shanghai Electric Power Corporation Patentee after: State Grid Corporation of China Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Patentee before: Shanghai Electric Power Corporation |