JPH0257738B2 - - Google Patents
Info
- Publication number
- JPH0257738B2 JPH0257738B2 JP58087181A JP8718183A JPH0257738B2 JP H0257738 B2 JPH0257738 B2 JP H0257738B2 JP 58087181 A JP58087181 A JP 58087181A JP 8718183 A JP8718183 A JP 8718183A JP H0257738 B2 JPH0257738 B2 JP H0257738B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- tower
- relay station
- optical
- towers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
- H02J13/13—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network
- H02J13/1311—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network using the power network as support for the transmission
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
- H02J13/13—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network
- H02J13/1321—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network using a wired telecommunication network or a data transmission bus
- H02J13/1323—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network using a wired telecommunication network or a data transmission bus using optical fibres
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Optical Communication System (AREA)
Description
【発明の詳細な説明】
(イ) 産業上の利用分野
この発明は、電力鉄塔における閃絡情報伝送装
置に関するものである。[Detailed Description of the Invention] (a) Industrial Application Field This invention relates to a flash fault information transmission device in a power tower.
(ロ) 従来技術とその問題点
閃絡事故を生じた鉄塔を検知するために、従来
から、各鉄塔又はそれに近い地線に取付けたCT
（変流器）からの閃絡信号を、各鉄塔ごとに設け
られたデータ伝達装置、すなわち中継局に入力
し、その中継局から中央処理装置、すなわち親局
へ伝送する情報伝送装置が用いられている。(b) Prior art and its problems In order to detect towers where flash faults have occurred, CTs have traditionally been installed on each tower or on the ground wire near it.
An information transmission device is used that inputs the flash fault signal from the current transformer (current transformer) into a data transmission device, that is, a relay station, installed at each tower, and then transmits it from the relay station to a central processing unit, that is, a master station. ing.
しかしながら、上記の装置によると、CTが取
付けられた鉄塔ごとに中継局が必要となるため、
装置全体のコストが高価になる問題がある。 However, according to the above device, a relay station is required for each tower to which a CT is attached.
There is a problem that the cost of the entire device becomes high.
また、他の方法として、波長多重方式にて１本
の光フアイバで複数の閃絡信号を伝送する方法が
考えられる。しかし、この方法によると、光合波
器の損失により多地点情報の長距離伝送は、光フ
アイバ１本では難しく、そのため多数心の光フア
イバを必要とする問題がある。 Another possible method is to transmit a plurality of flash signals through a single optical fiber using wavelength multiplexing. However, according to this method, it is difficult to transmit multi-point information over long distances with a single optical fiber due to loss in the optical multiplexer, and therefore a problem arises in that a multi-core optical fiber is required.
この発明は、上記の問題点を解消し、中継局の
数を減らし閃絡情報伝達装置の全体的コストを低
減すると共に、数少ない光フアイバ心数で伝送系
を実現することを目的とするものである。 The purpose of this invention is to solve the above problems, reduce the number of relay stations, reduce the overall cost of the flash information transmission device, and realize a transmission system with a small number of optical fibers. be.
(ハ) 問題点を解決するための手段
この発明は、上記の問題点を解消するために、
複数の鉄塔に対して１基の中継局を設け、その中
継局を設けた鉄塔以外の複数の鉄塔の各CTに共
通した光フアイバを設け、その共通の光フアイバ
に属するCTの出力信号の波長をそれぞれ異なら
しめ、これらの信号を光合波器により合成して複
数方向から中継局へ伝送し、かつ複数の中継局を
他の光フアイバで結合して親局に伝送するように
したものである。(c) Means for solving the problems In order to solve the above problems, this invention
One relay station is provided for multiple steel towers, and a common optical fiber is provided for each CT of multiple steel towers other than the tower where the relay station is installed, and the wavelength of the output signal of the CT belonging to the common optical fiber is The signals are combined using an optical multiplexer and transmitted from multiple directions to the relay station, and the multiple relay stations are combined using other optical fibers and transmitted to the master station. .
(ニ) 実施例
第１図は２苡の光フアイバケーブル１０を使用
し、１番目から５番目の鉄塔１〜５に対応して１
基の中継局１１を設けた例を示している。(d) Embodiment In Figure 1, two lengths of optical fiber cables 10 are used, and one cable is connected to each other corresponding to the first to fifth steel towers 1 to 5.
An example in which a base relay station 11 is provided is shown.
５本の鉄塔１〜５には、各鉄塔に直接又はその
近くの地線１２にそれぞれCT１′〜５′を付設し、
また各CTに電−光変換素子でなるセンサ１３を
設けている。センサ１３は閃絡時の電流を検知し
て所要の波長をもつた光信号を出力する。 For the five steel towers 1 to 5, CTs 1' to 5' are attached to the ground wire 12 directly or near each tower,
Further, each CT is provided with a sensor 13 made of an electro-optical conversion element. The sensor 13 detects the current at the time of flash fault and outputs an optical signal with a required wavelength.
図示の場合、１番目のCT１′と２番目のCT
２′に設けた各センサ１３は、それぞれ異なつた
波長λ1、λ2の光信号を出力する。これらのCT
１′，２′には、光フアイバ１４，１５が接続さ
れ、各光フアイバ１４，１５は光合波器１６を介
して共通の光フアイバ１７に接続される。この共
通の光フアイバ１７は中継局１１の方に導かれ、
光分波器１８を介して中継局１１に入力される。 In the case shown, the first CT1' and the second CT
Each sensor 13 provided at 2' outputs an optical signal with a different wavelength λ 1 and λ 2 . These CTs
Optical fibers 14 and 15 are connected to 1' and 2', and each optical fiber 14 and 15 is connected to a common optical fiber 17 via an optical multiplexer 16. This common optical fiber 17 is guided towards the relay station 11,
The signal is input to the relay station 11 via the optical demultiplexer 18.
上記の中継局１１は、３番目の鉄塔３に取付け
られている。したがつて、３番目のCT３′のセン
サ１３と中継局１１の間は、単独の光フアイバ１
９により直接接続されている。 The relay station 11 described above is attached to the third steel tower 3. Therefore, a single optical fiber 1 is connected between the sensor 13 of the third CT 3' and the relay station 11.
9 directly connected.
また、４番目及び５番目のCT４′，５′の各セ
ンサ１３も、１番目、２番目の場合と同様に異な
つた波長λ1、λ2の光信号を出力し、それぞれの光
フアイバ２０，２１を光合波器２２を介して共通
の光フアイバ２３に接続され、光分波器２を介し
て中継局１１に入力される。 Further, each sensor 13 of the fourth and fifth CTs 4' and 5' outputs optical signals of different wavelengths λ 1 and λ 2 similarly to the first and second cases, and the respective optical fibers 20, 21 is connected to a common optical fiber 23 via an optical multiplexer 22 and inputted to the relay station 11 via an optical demultiplexer 2.
なお、上記１番目及び５番目のCT１′，５′は、
隣接する中継局１１′に対しても閃絡信号を出力
するために、各中継局１１′に属したセンサ２５
が設けられる。 Note that the first and fifth CTs 1' and 5' are as follows:
A sensor 25 belonging to each relay station 11' is used to output a flash signal to the adjacent relay station 11'.
will be provided.
また、各中継局１１，１１′の間に、親局へ閃
絡情報を伝送するための局間光フアイバ２６が設
けられる。この局間光フアイバ２６と前述のCT
−中継局間の光フアイバ１４，１５，１７の一
部、及び２０，２１，２３の一部とは２芯の光フ
アイバケーブル１０によつて構成される。 Further, an inter-office optical fiber 26 is provided between each relay station 11, 11' for transmitting flash information to the master station. This interoffice optical fiber 26 and the aforementioned CT
- A part of the optical fibers 14, 15, 17 and a part of the optical fibers 20, 21, 23 between the relay stations are constituted by a two-core optical fiber cable 10.
次に、第２図に示す実施例は、３苡の光フアイ
バケーブル２７を使用した場合であり、この場合
は９本の鉄塔１〜９に対して１基の中継局１１を
設け、１番目と３番目のCT１′，３′、及び２番
目と４番目のCT２′，４′をそれぞれ波長を変え
て共通の光フアイバ２８，２９に接続している。
また６番目と８番目のCT６′，８′及び７番目と
９番目のCT７′，９′も、同様に共通の光フアイ
バ３０，３１に接続している。これらの共通の光
フアイバ２８，２９，３０，３１は、いずれも各
光分波器を介して中継局１１に接続される。な
お、局間光フアイバ２６は、第２図の場合と同様
に設けられる。 Next, the embodiment shown in FIG. 2 is a case where a three-way optical fiber cable 27 is used, and in this case, one relay station 11 is provided for nine steel towers 1 to 9, and the first The third CT 1', 3', and the second and fourth CT 2', 4' are connected to a common optical fiber 28, 29 with different wavelengths, respectively.
Similarly, the sixth and eighth CTs 6' and 8' and the seventh and ninth CTs 7' and 9' are connected to common optical fibers 30 and 31. These common optical fibers 28, 29, 30, and 31 are all connected to the relay station 11 via each optical demultiplexer. Note that the interoffice optical fiber 26 is provided in the same manner as in the case of FIG.
この実施例の場合は、局間光フアイバー２６
と、CT−中継局間の光フアイバ２８，２９及び
３０，３１の一部とを３芯の光フアイバケーブル
２７によりそれぞれ構成することができる。 In this embodiment, the interoffice optical fiber 26
and a portion of the optical fibers 28, 29 and 30, 31 between the CT and the relay station can each be configured by a three-core optical fiber cable 27.
(ホ) 効果
この発明は以上のごときものであるから、数少
ない光フアイバ心数で伝送系を実現できると共に
中継局の数を従来より減らすことができるので、
装置全体のコストの低減を図ることができる。(e) Effects Since the present invention is as described above, it is possible to realize a transmission system with a small number of optical fibers, and the number of relay stations can be reduced compared to the conventional one.
The cost of the entire device can be reduced.
第１図は第１実施例の回路図、第２図は第２実
施例の回路図である。
１〜９……鉄塔、１′〜９′……CT、１０……
２芯光フアイバケーブル、１１……中継局、１２
……地線、１３……センサ、１４，１５，２０，
２１……光フアイバ、１６，２２……光合成器、
２６……光フアイバ、２７……３芯光フアイバケ
ーブル、２８〜３１……光フアイバ。
FIG. 1 is a circuit diagram of the first embodiment, and FIG. 2 is a circuit diagram of the second embodiment. 1-9... Steel tower, 1'-9'... CT, 10...
2-core optical fiber cable, 11...relay station, 12
...Ground wire, 13...Sensor, 14, 15, 20,
21... Optical fiber, 16, 22... Photosynthesizer,
26... Optical fiber, 27... 3-core optical fiber cable, 28-31... Optical fiber.
Claims (1)
−光変換素子でなるセンサを設け、そのセンサの
出力信号を光フアイバにより伝送するようにした
電力鉄塔の閃絡情報伝送装置において、複数の鉄
塔に対して１基の中継局を設け、その中継局を設
けた鉄塔以外の鉄塔を複数組に分け、各組ごとの
複数の鉄塔の各CTに共通した光フアイバをそれ
ぞれ設け、中継局を設けた鉄塔のCTからは１本
の光フアイバで直接中継局へ伝送し、その他の鉄
塔については各組に共通の光フアイバに属する
CTの出力信号の波長をそれぞれ異ならしめ、こ
れらの信号を光合波器にて合成して各光フアイバ
ごとに中継局へ伝送し、かつ複数の中継局を他の
光フアイバで結合して親局に伝送することを特徴
とする電力鉄塔の閃絡情報伝送装置。1 In a flash fault information transmission system for power towers, a sensor consisting of an electro-optical conversion element is installed on the CT attached to the tower or the ground wire near the tower, and the output signal of the sensor is transmitted via optical fiber. Install one relay station for a steel tower, divide the steel towers other than the tower on which the relay station is installed into multiple groups, install a common optical fiber for each CT of the multiple steel towers for each group, and connect the relay stations to each other. The CT of the installed steel tower transmits directly to the relay station via one optical fiber, and the other towers belong to the optical fiber common to each group.
The output signals of the CTs have different wavelengths, and these signals are combined by an optical multiplexer and transmitted to the relay station through each optical fiber, and the multiple relay stations are combined with other optical fibers to the master station. A flash fault information transmission device for a power tower, characterized in that it transmits information to a power tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58087181A JPS59212044A (en) | 1983-05-18 | 1983-05-18 | Transmitter for flashover information on electric power steel tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58087181A JPS59212044A (en) | 1983-05-18 | 1983-05-18 | Transmitter for flashover information on electric power steel tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59212044A JPS59212044A (en) | 1984-11-30 |
| JPH0257738B2 true JPH0257738B2 (en) | 1990-12-05 |
Family
ID=13907812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58087181A Granted JPS59212044A (en) | 1983-05-18 | 1983-05-18 | Transmitter for flashover information on electric power steel tower |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59212044A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61278226A (en) * | 1985-06-03 | 1986-12-09 | Sumitomo Electric Ind Ltd | Information transmission system using optical fiber cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642446A (en) * | 1979-09-14 | 1981-04-20 | Nec Corp | Multiplex optical transmission system |
-
1983
- 1983-05-18 JP JP58087181A patent/JPS59212044A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59212044A (en) | 1984-11-30 |
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