JPS60180450A - Method of remotely measuring underground transformer - Google Patents
Method of remotely measuring underground transformerInfo
- Publication number
- JPS60180450A JPS60180450A JP59034341A JP3434184A JPS60180450A JP S60180450 A JPS60180450 A JP S60180450A JP 59034341 A JP59034341 A JP 59034341A JP 3434184 A JP3434184 A JP 3434184A JP S60180450 A JPS60180450 A JP S60180450A
- Authority
- JP
- Japan
- Prior art keywords
- master station
- transformer
- underground
- measurement
- commands
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 5
- 238000005259 measurement Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は犠牲陽極を取り付番ノだ変圧器の防食状態を遠
隔測定する方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for remotely measuring the corrosion protection status of a transformer equipped with a sacrificial anode.
地中に直接埋没して設置し犠牲陽極を取り付けた変圧器
、または地下孔に設置され浸水した状態の犠牲陽極を取
り付けた変圧器（以下地中変圧器とする）のタンク対地
電位の測定および防食電流の測定において、従来は第１
図に例示するようにタンク１，２・・・ｎの対地電位は
地中変圧器１１．１２・・・１ｎ個々について照合電極
２１゜２２・・・２ｎを基準としてＡＩ 、Ａ２ ・・
・Ａ０点で測定（以下電位測定とする）していた。また
タンク１，２・・・ｎより犠牲陽極３１．３２・・・３
０へ流れる防食電流（以下防食電流と呼ぶ）は、タンク
１，２・・・ｎと犠牲陽極３１．３２・・・３ｎの間（
Ｂｌ 、Ｂ２ ・・・３ｎ点）に電流計（図示路）を挿
入あるいは、Ｂｌ 、Ｂ２ ・・・１３ｎ点に抵抗値既
知の抵抗器（図示路）を挿入し、その両端の電位差を測
定することにより測定していた。従って個々の地中変圧
器についての測定は、多大の労力と時間を要していた。Measurement of the tank-to-ground potential of a transformer installed directly buried underground and equipped with a sacrificial anode, or a transformer installed in an underground hole and submerged with a sacrificial anode (hereinafter referred to as an underground transformer); In the measurement of anti-corrosion current, conventionally the first
As illustrated in the figure, the ground potentials of the tanks 1, 2...n are AI, A2...
・Measurement was performed at point A0 (hereinafter referred to as potential measurement). Also, sacrificial anodes 31, 32...3 from tanks 1, 2...n
The anticorrosion current flowing to 0 (hereinafter referred to as anticorrosion current) is between the tanks 1, 2...n and the sacrificial anodes 31, 32... 3n (
Insert an ammeter (path shown) into Bl, B2...3n points) or insert a resistor with known resistance (path shown) into point Bl, B2...13n, and measure the potential difference between the two ends. It was measured by Therefore, measuring each underground transformer requires a great deal of effort and time.
本発明はこのような問題点を解消するために提案される
もので、地中変圧器相互に連なるアース線を介して、計
測指令を子局に指令および子局の発信する測定データの
受信、解読、印字の機能を有する親局、並びに親局より
の指令により、指令された測定を行ない記憶すること、
および親局よりの送信指令で記憶した測定データを親局
へ送信の機能を有する子局を設け、親局・子局間の°伝
送信号により、各地中変圧器タンクの対地電位、防食電
流の遠隔測定を行なう方法を特徴としている。The present invention has been proposed to solve these problems, and includes a method for sending measurement commands to a slave station and receiving measurement data transmitted by the slave station via a ground wire that connects underground transformers. A master station with decoding and printing functions, and performing and storing commanded measurements based on instructions from the master station;
In addition, a slave station is installed which has the function of transmitting the measured data stored in response to the transmission command from the master station to the master station, and the transmission signal between the master station and the slave station is used to control the ground potential and anti-corrosion current of the transformer tank in each location. It features a method for performing telemetry.
第２図に本発明の実施例の構成を示す。FIG. 2 shows the configuration of an embodiment of the present invention.
図においてＵ、Ｖ、Ｗは高圧ケーブル、ｕｌｖｌＷは低
圧側、Ｎはアース線を示す。またＥはアース、ＥＣはシ
ースアースを表している。In the figure, U, V, and W indicate the high voltage cable, ulvlW indicates the low voltage side, and N indicates the ground wire. Also, E stands for earth and EC stands for sheath earth.
第１図に示す測定点（Ａ１．Ａ２．−−− Ａｎ、Ｂ１
゜Ｂ２．−−−ａｎ ）は各子局（４１，４２−−−４
０〉に内蔵され、親局５０の測定指令により測定点を順
次切り替えて測定する。１個の親局５０で多数の地中変
圧器（６１，６２・・・６ｎ）の遠隔測定が可能である
。Measurement points shown in Figure 1 (A1.A2.--- An, B1
゜B2. ---an) is each slave station (41, 42---4
0>, and performs measurements by sequentially switching measurement points according to measurement commands from the master station 50. One master station 50 can remotely measure a large number of underground transformers (61, 62, . . . 6n).
つぎに動作を説明する。Next, the operation will be explained.
（１）親局５０はたとえば子局４１に計測指令＃１（た
とえば電位測定）を送信する。その結果、子局４１は起
動する。(1) The master station 50 transmits measurement command #1 (for example, potential measurement) to the slave station 41, for example. As a result, the slave station 41 is activated.
（２）起動した子局４１は指令＃１の計測を行ない、符
号化して記憶する。(2) The activated slave station 41 measures command #1, encodes it, and stores it.
（３）親鳥５０は子局４１に計測指令＃２（たとえば防
食電流測定）を送信する。(3) Parent bird 50 transmits measurement command #2 (for example, anti-corrosion current measurement) to slave station 41.
（４）子局４１は指令＃２の計測を行ない符号化して記
憶する。(4) The slave station 41 measures command #2, encodes it, and stores it.
（５）以下親局５０は指令を子局４１へ送信し、子局４
１．は測定して記憶する。(5) The master station 50 then sends the command to the slave station 41, and
1. is measured and memorized.
（６）親局は順次各子局４１，４２・・・４ｎに送信指
令を送信する。(6) The master station sequentially transmits a transmission command to each slave station 41, 42, . . . 4n.
（７）指令を受番プだ子局４’１．４２・・・４゜は、
記憶している計測データを親局５０に送信する。(7) The slave station 4'1.42...4° that receives the command is
The stored measurement data is transmitted to the master station 50.
（８）親局５０は計測データを受信解読し、印字する。(8) The master station 50 receives, decodes, and prints the measurement data.
なお、照合電極２１．２２・・・２ｎの作用は第１図の
場合と同じであるから証明を省略する。Note that the functions of the reference electrodes 21, 22, . . . 2n are the same as in the case of FIG.
本発明による利点は次の通りである。The advantages of the invention are as follows.
（＋）地中変圧器タンクの電位測定、防食電流測定の大
幅の省力化ができる。(+) Significant labor savings can be made in measuring the potential and anti-corrosion current of underground transformer tanks.
Claims (1)
互に連なるアース線を介して、測定指令を子局に指令お
よび子局の発信する測定データの受信、解読、印字の機
能を有する親局、並びに親局よりの指令により、測定を
行ない記憶すること、および親局よりの送信指令で記憶
した測定データを親局へ送信の機能を有する子局を設け
、親局・子局間の伝送信号により、各地中変圧器タンク
の対地電位、防食電流の遠隔測定を行なうことを特徴と
する地中変圧器の遠隔測定方法。A C transformer with a sacrificial anode attached has the function of sending measurement commands to slave stations via the ground wires that connect the underground transformers, as well as receiving, decoding, and printing measurement data transmitted by slave stations. A master station and a slave station are provided which have the function of performing and storing measurements according to commands from the master station, and transmitting measured data stored to the master station according to transmission commands from the master station, and between the master station and slave stations. A remote measuring method for an underground transformer, characterized in that the ground potential and anticorrosion current of each underground transformer tank are remotely measured using a transmission signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59034341A JPS60180450A (en) | 1984-02-27 | 1984-02-27 | Method of remotely measuring underground transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59034341A JPS60180450A (en) | 1984-02-27 | 1984-02-27 | Method of remotely measuring underground transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60180450A true JPS60180450A (en) | 1985-09-14 |
Family
ID=12411433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59034341A Pending JPS60180450A (en) | 1984-02-27 | 1984-02-27 | Method of remotely measuring underground transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60180450A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856115A (en) * | 1981-09-30 | 1983-04-02 | Toshiba Corp | Power source control system |
| JPS58159636A (en) * | 1982-03-17 | 1983-09-22 | 古河電気工業株式会社 | Transmission line monitoring method |
-
1984
- 1984-02-27 JP JP59034341A patent/JPS60180450A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856115A (en) * | 1981-09-30 | 1983-04-02 | Toshiba Corp | Power source control system |
| JPS58159636A (en) * | 1982-03-17 | 1983-09-22 | 古河電気工業株式会社 | Transmission line monitoring method |
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