JPH084624Y2 - Steel tower lightning waveform memory device - Google Patents
Steel tower lightning waveform memory deviceInfo
- Publication number
- JPH084624Y2 JPH084624Y2 JP1987099407U JP9940787U JPH084624Y2 JP H084624 Y2 JPH084624 Y2 JP H084624Y2 JP 1987099407 U JP1987099407 U JP 1987099407U JP 9940787 U JP9940787 U JP 9940787U JP H084624 Y2 JPH084624 Y2 JP H084624Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- waveform
- lightning
- rogowski coil
- memory device
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims description 12
- 239000010959 steel Substances 0.000 title claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 19
- 208000025274 Lightning injury Diseases 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は、例えば架空送電線鉄塔に流れる雷撃電流ま
たは地絡、短絡の故障電流を観測する装置であって、雷
撃時の鉄塔を流れる電流を記憶し、後で波形読みとり装
置により、波形を読みとるための鉄塔雷撃波形記憶装置
に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is a device for observing, for example, a lightning current flowing in a tower of an overhead power transmission line or a fault current of a ground fault or a short circuit. The present invention relates to a tower lightning stroke waveform storage device for storing a waveform and reading the waveform later by the waveform reading device.
（従来の技術） 架空送電線に落雷を受けたときに、雷撃電流の波高値
を測定する装置としては磁鋼片をはじめ、簡易に測定す
る装置が知られている。(Prior Art) As a device for measuring the peak value of a lightning current when an overhead power transmission line is hit by lightning, a device for easily measuring is known, such as a magnetic steel piece.
しかし、雷撃電流の波を観測しようとすると、これま
での技術では、落雷時の高電圧、大電流による静電、電
磁誘導をさけ、また雷撃電流が直接測定装置に流れ込む
のを防止するため、大がかりな測定設備を必要とした。However, when trying to observe the wave of the lightning current, the technology up to now avoids high voltage at the time of lightning strike, static electricity due to large current, electromagnetic induction, and also to prevent the lightning current from flowing directly into the measuring device, Large-scale measurement equipment was required.
従来の一般的な技術では、鉄塔の電流観測位置に変流
器や同軸シャントを取り付けて、その電流を発光ダイオ
ード等を用いて光に変換して、光ファイバーで地上に引
きおろし、地上に設置したシールドされた観測小屋の中
で、光信号を再び電気信号に変えて、波形を観測する方
法がとられている。In the conventional general technology, a current transformer or a coaxial shunt is attached to the current observation position of the steel tower, the current is converted to light using a light emitting diode, etc., and it is pulled down to the ground by an optical fiber and installed on the ground. In the shielded observation hut, the optical signal is converted into an electrical signal again to observe the waveform.
（考案が解決しようとする問題点） このような従来用いられてきた、雷撃電流の波形を観
測する装置では、測定機器の他に観測室、光ファイバー
システム、測定機器の電源装置等を必要とし、大がかり
な設備とならざるをえなかった。(Problems to be solved by the invention) In such a conventionally used device for observing the waveform of the lightning current, an observation room, an optical fiber system, a power supply device of the measurement device, etc. are required in addition to the measurement device. It had to be a large-scale facility.
そのため、観測点を簡単に増加することができず、落
雷のような偶発的な現象を観測するには、簡便でなかっ
た。従来使われている磁鋼片のように簡単に鉄塔に設置
できて、なおかつ波高値ではなく、波形を観測できる装
置が求められていた。Therefore, the number of observation points could not be increased easily, and it was not easy to observe incidental phenomena such as lightning strikes. There has been a demand for a device that can be easily installed in a steel tower like a conventional piece of magnetic steel and that can observe waveforms instead of peak values.
本考案はこの必要性に応えてなされたもので、電池を
電源として簡易に鉄塔に装置を取り付けて、鉄塔に流れ
る雷撃電流波形、落雷日時、極性、雷撃エネルギー等を
順次記憶し、後日点検時に外部からの波形読み取り装置
により読み取ることにより、大がかりな設備を要しない
で、簡易に鉄塔の雷撃電流を測定することを可能にしよ
うとするものである。The present invention was made in response to this need.A battery was used as a power source and a device was simply attached to the tower to store the current waveform of the lightning current flowing through the tower, the date and time of the lightning strike, the polarity, the energy of the lightning stroke, etc. at a later inspection. By reading with a waveform reading device from the outside, it is possible to easily measure the lightning current of the tower without requiring large-scale equipment.
（問題点を解決するための手段） 上記問題点を解決するための本考案の構成を第１図に
より説明する。(Means for Solving Problems) A configuration of the present invention for solving the above problems will be described with reference to FIG.
同図に示すように本考案の鉄塔雷撃波形記憶装置に
は、衝撃大電流波形の測定に用いられることで、よく知
られているロゴスキーコイル２と、磁性体の筐体４に収
納された電子回路７、電源６、電源スイッチ回路５およ
びロゴスキーコイル２と電子回路７とを接続する同軸ケ
ーブル３、から構成されたものである。ロゴスキーコイ
ル２は架空送電線を支持する送電鉄塔を構成する導電性
の支柱１（以下単に送電鉄塔１という。）に嵌め込み、
取り付け、そのロゴスキーコイルと同一の高さに、また
ロゴスキーコイルとの離隔距離を非常に小さくして、電
子回路７等を収納した筐体を送電鉄塔に取り付けたもの
である。As shown in the figure, the steel tower lightning stroke waveform storage device of the present invention is housed in a Rogowski coil 2 and a magnetic body casing 4 which are well known to be used for measuring a high-impact current waveform. The electronic circuit 7, the power source 6, the power switch circuit 5, and the coaxial cable 3 connecting the Rogowski coil 2 and the electronic circuit 7 are configured. The Rogowski coil 2 is fitted into a conductive support column 1 (hereinafter, simply referred to as the transmission tower 1) that constitutes a transmission tower that supports an overhead transmission line,
It is mounted on the power transmission tower at the same height as the Rogowski coil and with a very small separation distance from the Rogowski coil, and a housing housing the electronic circuit 7 and the like.
（作用） 本考案の鉄塔雷撃波形記憶装置13は以下のように動作
する。(Operation) The steel tower lightning stroke waveform storage device 13 of the present invention operates as follows.
落雷によって、送電鉄塔１に雷撃電流Ｉが流れるとそ
の誘導により磁束Ｂが発生し、ロゴスキーコイル２にそ
の磁束Ｂが交叉することにより、ロゴスキーコイル２に
電圧が発生する。When a lightning strike current I flows through the transmission tower 1 due to a lightning strike, a magnetic flux B is generated due to the induction, and the magnetic flux B crosses the Rogowski coil 2 to generate a voltage in the Rogowski coil 2.
この電圧は、同軸ケーブル３を通して、電子回路７に
送られる。電子回路７では、この電圧を積分して雷撃電
流波形と同じ電圧波形に戻して、記憶回路により、波形
を記憶する。This voltage is sent to the electronic circuit 7 through the coaxial cable 3. The electronic circuit 7 integrates this voltage and returns it to the same voltage waveform as the lightning current waveform, and the memory circuit stores the waveform.
波形は記憶されたまま保持され、後日、送電鉄塔を点
検に訪れた人等の手により、波形読み取り装置と接続さ
れ、それまでに記憶された雷撃波形、雷撃日時、極性、
等々を波形読み取り装置のプリンターに出力する。The waveform is retained as it is and is connected to the waveform reading device by a person who visited the power transmission tower for inspection at a later date.
Etc. are output to the printer of the waveform reading device.
本考案の装置は、ロゴスキーコイル２と電子回路７等
を収納した筐体４とが同一高さで、近接して取り付けら
れており、同軸受ケーブル３が極く短く、雷撃電流が送
電鉄塔に流れて強磁界が発生してもロゴスキーコイル２
と筐体４との間に強磁界に起因する電位差が生ずること
はなく、筐体４内の電子回路が電気的誘導障害を受ける
ことはない。In the device of the present invention, the Rogowski coil 2 and the housing 4 accommodating the electronic circuit 7 and the like are mounted at the same height and in close proximity to each other, the bearing cable 3 is extremely short, and a lightning current is transmitted to the transmission tower. Rogowski coil 2
There is no potential difference caused by the strong magnetic field between the housing 4 and the housing 4, and the electronic circuit in the housing 4 is not subject to electrical induction failure.
（実施例） 以下、本考案の実施例を第２図により詳細に説明す
る。(Embodiment) Hereinafter, an embodiment of the present invention will be described in detail with reference to FIG.
第２図は本考案の鉄塔雷撃波形記憶装置13の一実施例
を示す電気回路図である。FIG. 2 is an electric circuit diagram showing one embodiment of the steel tower lightning stroke waveform storage device 13 of the present invention.
第２図に示すようにロゴスキーコイル２は同軸ケーブ
ル３を通して、積分回路８に接続され、積分回路８はア
ナログ・デジタル変換器９、記憶回路10、タイミング回
路11、電源６、電源スイッチ回路５等と共に筐体４に収
納されている。As shown in FIG. 2, the Rogowski coil 2 is connected to an integrating circuit 8 through a coaxial cable 3, and the integrating circuit 8 includes an analog / digital converter 9, a memory circuit 10, a timing circuit 11, a power supply 6, and a power supply switch circuit 5. And the like are housed in the housing 4.
ロゴスキーコイル２で囲まれた空間に雷撃電流が流れ
ると、ロゴスキーコイル２に電圧が生ずる。比較的短い
同軸ケーブル３を通してその電圧を積分回路８に送る。
電圧を積分することにより、よく知られているように雷
撃電流波形と同一の電圧波形に戻すことができる。実施
例の積分回路８は、コンデンサと抵抗による積分および
増幅回路による積分とを組み合わせたものである。When a lightning current flows in the space surrounded by the Rogowski coil 2, a voltage is generated in the Rogowski coil 2. The voltage is sent to the integrating circuit 8 through the relatively short coaxial cable 3.
By integrating the voltage, it is possible to restore the same voltage waveform as the lightning current waveform as is well known. The integration circuit 8 of the embodiment is a combination of integration by a capacitor and resistance and integration by an amplification circuit.
積分回路８に電圧が入ると同時に、電源スイッチ回路
５により、タイミング回路11、アナログ・デジタル変換
器９等が生かされて、積分回路８からでてきた波形の各
点をデジタル量として数値におきかえる。At the same time when the voltage is applied to the integrating circuit 8, the power switch circuit 5 makes use of the timing circuit 11, the analog-digital converter 9 and the like to replace each point of the waveform output from the integrating circuit 8 as a digital value. .
この数値を記憶回路10により記憶する。実施例では、
通常マイクロコンピュータあるいはマイクロプロセッサ
とよばれる集積回路により制御するため、内蔵したタイ
マーで、雷撃時刻も合わせて記憶することができる。This numerical value is stored in the storage circuit 10. In the example,
Since it is usually controlled by an integrated circuit called a microcomputer or a microprocessor, a built-in timer can also store the stroke time.
波形はタイミング回路11の、タイミング調整により数
マイクロ秒きざみに記憶され実施例では100波まで波形
および雷撃情報を記憶できる。The waveform is stored every few microseconds by adjusting the timing of the timing circuit 11. In the embodiment, the waveform and the lightning stroke information can be stored up to 100 waves.
電源６にはリチウム電池が使用され、常時の使用電力
は、電子回路のうち積分回路８と記憶回路10の記憶保持
に必要な電力のみで消費電力が小さいため２個の電池で
約３カ月の測定が可能である。A lithium battery is used as the power source 6, and the power consumption at all times is only the power required to hold the memory of the integrating circuit 8 and the memory circuit 10 in the electronic circuit, and the power consumption is small, so two batteries take about 3 months. It is possible to measure.
送電鉄塔の点検時等に外部出力端子12に、読み取り装
置を取り付け記憶回路10に記憶された雷撃波形等のデー
タ等を読み取るものである。A reader is attached to the external output terminal 12 at the time of inspection of the power transmission tower to read data such as lightning waveforms stored in the memory circuit 10.
なお本実施例では、外部出力端子に出力ケーブルの取
り付けは、人の手を介して行っているが、送電鉄塔の架
空地線に埋め込まれている光ファイバーケーブルによ
り、自動的に変電所等の電気所にデータを伝送すること
もできる。In this embodiment, the output cable is attached to the external output terminal through human hands, but the optical fiber cable embedded in the overhead ground wire of the transmission tower automatically causes the electric power of the substation or the like. Data can also be transmitted to another location.
（考案の効果） 以上説明したとおり、本考案の鉄塔雷撃波形記憶装置
は送電鉄塔に取り付けるだけで、送電鉄塔への落雷時に
同一電位面となり、電気誘導障害を受けることなく雷撃
電流や地絡、短絡時の故障電流波形を記憶することがで
き、雷撃等の波形、時刻、極性雷撃エネルギー等を正確
に測定しかつ記憶することができ、後日外部からその記
憶データを容易に取り出すことができるようになるとい
う効果がある。またこれによって送電線の耐雷性能向上
のための貴重なデータを収集できるだけでなく、架空地
線の落雷による溶断対策等、送電線の保守管理に役立つ
ものである。(Effects of the Invention) As described above, the steel tower lightning waveform storage device of the present invention can be attached to the power transmission tower to have the same electric potential surface when a lightning strikes the power transmission tower, and to prevent a lightning current or a ground fault without being affected by an electrical induction fault. It is possible to store the fault current waveform at the time of short circuit, accurately measure and store the waveform such as lightning stroke, time, and polar lightning energy, so that the stored data can be easily retrieved from the outside at a later date. Has the effect of becoming. Moreover, this not only collects valuable data for improving the lightning resistance performance of the transmission line, but is also useful for maintenance of the transmission line, such as measures against fusing of the overhead ground wire due to lightning.
第１図は本考案の構成を示す図で、簡単な電気回路図で
ある。 第２図は本考案の鉄塔雷撃波形記憶装置の一実施例を示
す電気回路図である。 １…送電鉄塔 ２…ロゴスキーコイル ３…同軸ケーブル ４…筐体 ５…電源スイッチ回路 ６…電源 ７…電子回路 ８…積分回路 ９…アナログ・デジタル変換器 10…記憶回路 11…タイミング回路 12…外部出力端子 13…鉄塔雷撃波形記憶装置FIG. 1 is a diagram showing the configuration of the present invention, which is a simple electric circuit diagram. FIG. 2 is an electric circuit diagram showing an embodiment of a steel tower lightning stroke waveform storage device of the present invention. 1 ... Transmission tower 2 ... Rogowski coil 3 ... Coaxial cable 4 ... Enclosure 5 ... Power switch circuit 6 ... Power supply 7 ... Electronic circuit 8 ... Integrator circuit 9 ... Analog / digital converter 10 ... Memory circuit 11 ... Timing circuit 12 ... External output terminal 13: Steel tower lightning waveform memory device
───────────────────────────────────────────────────── フロントページの続き (72)考案者 荒金 昌克 三重県桑名市野田２丁目７の15 (72)考案者 福井 信孝 石川県松任市福留町857の51 (56)参考文献 特開 昭56−54368（ＪＰ，Ａ) 関 英男「シンクロスコープ 新訂版」 Ｐ．366−367，（昭和44年６月20日）日刊 工業新聞社 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masakatsu Arakane 2-7-15 Noda, Kuwana City, Mie Prefecture (72) Inventor Nobutaka Fukui 857-51, Fukudome Town, Matsuto City, Ishikawa Prefecture (56) References JP-A-56- 54368 (JP, A) Hideo Seki "New version of synchroscope" P. 366-367, (June 20, 1969) Nikkan Kogyo Shimbun
Claims (1)
通るように取り付けたロゴスキーコイルと、磁気遮蔽し
た筐体内に積分回路、タイミング回路、アナログ・デジ
タル変換器、記憶回路等からなる電子回路及び電源電池
を備え上記送電鉄塔に固定した波形記憶装置本体とから
なり、 該波形記憶装置本体を上記ロゴスキーコイルと同一高さ
に近接して取り付け、同軸ケーブルで上記ロゴスキーコ
イルの出力端子を接続し、上記送電鉄塔に流れる雷撃電
流等の波形を上記記憶回路に記憶可能とするとともに、 上記記憶回路内のデータの読み出し端子を上記筐体に設
け、外部からの上記データの読み出しを可能とした ことを特徴とする鉄塔雷撃波形記憶装置。1. A Rogowski coil mounted so that a conductive member constituting a power transmission tower passes inside, and an integrator circuit, a timing circuit, an analog / digital converter, a memory circuit, etc. in a magnetically shielded housing. The waveform memory device body is provided with an electronic circuit and a power supply battery and is fixed to the power transmission tower. The waveform memory device body is mounted close to the same height as the Rogowski coil, and the output of the Rogowski coil is provided by a coaxial cable. A terminal is connected to enable waveforms such as lightning current flowing in the transmission tower to be stored in the storage circuit, and a terminal for reading data in the storage circuit is provided in the housing to read the data from the outside. A steel tower lightning stroke waveform storage device that is capable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987099407U JPH084624Y2 (en) | 1987-06-30 | 1987-06-30 | Steel tower lightning waveform memory device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987099407U JPH084624Y2 (en) | 1987-06-30 | 1987-06-30 | Steel tower lightning waveform memory device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS645166U JPS645166U (en) | 1989-01-12 |
| JPH084624Y2 true JPH084624Y2 (en) | 1996-02-07 |
Family
ID=31326536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987099407U Expired - Lifetime JPH084624Y2 (en) | 1987-06-30 | 1987-06-30 | Steel tower lightning waveform memory device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH084624Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5654368A (en) * | 1979-10-11 | 1981-05-14 | Nippon Oil & Fats Co Ltd | Continuous lightning stroke display device |
-
1987
- 1987-06-30 JP JP1987099407U patent/JPH084624Y2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| 関英男「シンクロスコープ新訂版」Ｐ．３６６−３６７，（昭和４４年６月２０日）日刊工業新聞社 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS645166U (en) | 1989-01-12 |
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