JP3463789B2 - Lightning observation system - Google Patents
Lightning observation systemInfo
- Publication number
- JP3463789B2 JP3463789B2 JP00494798A JP494798A JP3463789B2 JP 3463789 B2 JP3463789 B2 JP 3463789B2 JP 00494798 A JP00494798 A JP 00494798A JP 494798 A JP494798 A JP 494798A JP 3463789 B2 JP3463789 B2 JP 3463789B2
- Authority
- JP
- Japan
- Prior art keywords
- lightning
- observation
- measured
- optical
- voltage
- 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.)
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Description
【０００１】[0001]
【発明の属する技術分野】本発明は、雷観測を行う現地
に雷観測装置を設置しておき、その観測データを無線通
信回線手段を介してセンタに収集する雷観測システムに
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lightning observation system in which a lightning observation device is installed at a site where lightning observation is carried out, and the observation data is collected at a center through a wireless communication line means.
【０００２】[0002]
【従来の技術】従来、雷撃時の雷撃電流や誘導電圧を測
定して雷の観測をする設備として、図５に示した雷観測
システムがある。このシステムは、観測データを収集す
るセンタ１と観測現地に設置された観測装置３とを携帯
電話回線２により接続したものであり、観測装置３には
電流検出部４と電圧検出部５が接続されている。センタ
１はデータの収集・解析等を行うセンタ装置１１とモデ
ム１２とからなる。観測装置３は、携帯電話機３１、モ
デム３２、データ処理部３３、Ｏ／Ｅ変換器３４，３
５、電源部３６、絶縁ユニット３７、ＧＰＳ受信機３
８、ＧＰＳアンテナ３９により構成されている。2. Description of the Related Art Conventionally, there is a lightning observation system shown in FIG. 5 as a facility for observing lightning by measuring a lightning current and an induced voltage at the time of lightning stroke. In this system, a center 1 that collects observation data and an observation device 3 installed at the observation site are connected by a mobile phone line 2, and a current detection unit 4 and a voltage detection unit 5 are connected to the observation device 3. Has been done. The center 1 comprises a center device 11 for collecting and analyzing data and a modem 12. The observation device 3 includes a mobile phone 31, a modem 32, a data processing unit 33, and O / E converters 34 and 3.
5, power supply unit 36, insulation unit 37, GPS receiver 3
8 and the GPS antenna 39.
【０００３】電流検出部４は、図示しない測定対象導体
の接地線にシャント抵抗４１を接続して得られるシャン
ト電流の値を電気信号としてＥ／Ｏ変換器４２へ送り、
Ｅ／Ｏ変換器４２はそれを光信号に変換してから、光フ
ァイバケーブル４４を介して、観測装置３内のＯ／Ｅ変
換器３４へ送る。電圧検出部５は、図示しない測定対象
導体に接続される抵抗分圧器５１から得られる分圧の値
を電気信号としてＥ／Ｏ変換器５２へ送り、Ｅ／Ｏ変換
器５２はそれを光信号に変換してから、光ファイバケー
ブル５４を介して、観測装置３内のＯ／Ｅ変換器３５へ
送る。ここで、電流検出部４および電圧検出部５は、そ
れぞれのＥ／Ｏ変換器４２，５２を駆動するための電源
として、それぞれバッテリ４３，５３を内蔵しており、
観測装置３側から電源ケーブル４５，５５を介して電源
が供給される。The current detector 4 sends the value of the shunt current obtained by connecting the shunt resistor 41 to the ground wire of the conductor to be measured (not shown) as an electric signal to the E / O converter 42,
The E / O converter 42 converts it into an optical signal and then sends it to the O / E converter 34 in the observation device 3 via the optical fiber cable 44. The voltage detection unit 5 sends the value of the voltage division obtained from the resistance voltage divider 51 connected to the conductor to be measured (not shown) to the E / O converter 52 as an electric signal, and the E / O converter 52 sends it to the optical signal. , And then to the O / E converter 35 in the observation device 3 via the optical fiber cable 54. Here, the current detection unit 4 and the voltage detection unit 5 respectively have batteries 43 and 53 built therein as power supplies for driving the E / O converters 42 and 52,
Power is supplied from the observation device 3 side via power cables 45 and 55.
【０００４】[0004]
【発明が解決しようとする課題】このように従来の雷観
測装置は、電流検出部４および電圧検出部５が駆動電源
を必要とするので信号伝送用の光ファイバケーブル４
４，５４以外に、電源供給用ケーブル４５，５５を敷設
する必要がある。しかも、電源供給用ケーブル４５，５
５を敷設したことにより、雷撃時の絶縁対策として絶縁
ユニット３７の設置が必要となり、その分、設置時のコ
ストが増大するという問題があった。As described above, in the conventional lightning observation apparatus, since the current detection unit 4 and the voltage detection unit 5 require the driving power source, the optical fiber cable 4 for signal transmission is used.
In addition to 4, 54, it is necessary to lay power supply cables 45, 55. Moreover, power supply cables 45, 5
By laying No. 5, it was necessary to install the insulation unit 37 as a measure against insulation at the time of lightning stroke, and there was a problem that the cost at the time of installation increased.
【０００５】[0005]
【課題を解決するための手段】そこで上記課題を解決す
るために、請求項１の発明は、雷撃時の雷撃電流および
誘導電圧を観測する雷観測装置を観測現地に設置してお
き、装置の観測データを無線通信回線手段を介してセン
タに収集する雷観測システムにおいて、内側に被測定導
体を貫通させるロゴウスキーコイルを高周波ケーブルを
介して雷観測装置本体に接続して構成される電流検出部
と、被測定導体側に光ＶＴ本体を設置し光ＶＴ本体に接
続する発光部・受光部を雷観測装置本体に設置し両者間
を往復の光ファイバーケーブルにより接続して構成され
る電圧検出部とを備え、電流検出部のロゴウスキーコイ
ルに貫通させる被測定導体を配電線路の架空地線に接続
される接地線にするとともに、電圧検出部の光ＶＴ本体
が接続される被測定導体を配電線路にし、配電線および
架空地線を支持する柱に観測装置本体を取り付けること
を特徴とする。In order to solve the above problems, the invention of claim 1 is to install a lightning observation device for observing a lightning current and an induced voltage at the time of a lightning strike at the observation site. In a lightning observation system that collects observation data to the center via wireless communication line means, a current detection configured by connecting a Rogowski coil that penetrates the conductor to be measured to the lightning observation device main body via a high frequency cable And a light detector / light receiver connected to the optical VT main body on the conductor side to be measured and connected to the optical VT main body are installed in the main body of the lightning observation device, and a voltage detection unit configured by connecting the both with a reciprocating optical fiber cable Is equipped with , and the current detection unit Rogowski carp
Connect the conductor to be measured to be penetrated to the overhead ground wire of the distribution line
Optical VT main body of the voltage detection part
The conductor to be measured connected to the
It is characterized in that the observation device main body is attached to a pillar that supports an overhead ground wire .
【０００６】ここで、前記無線通信回線手段は、携帯電
話回線にすることも可能である。Here, the wireless communication line means is a portable telephone.
It is also possible to use a talking line .
【０００７】[0007]
【発明の実施の形態】以下、図に沿って本発明の実施形
態を説明する。図１は本発明の実施形態を示すブロック
図である。この実施形態の全体の構成は図５に示した雷
観測システムと共通であり、電流検出部および電圧検出
部のみが異なるので、共通部分は図５と同一の符号を付
して説明を省略し、異なる部分のみを説明する。図示さ
れるように、この実施形態では、電流検出部として、ロ
ゴウスキーコイル６１と高周波ケーブル６２を介して接
続されたセンサＩ／Ｆ回路６３とからなる電流センサ６
を用いたものである。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of the present invention. The entire configuration of this embodiment is the same as that of the lightning observation system shown in FIG. 5, and only the current detection unit and the voltage detection unit are different. Therefore, common parts are denoted by the same reference numerals as those in FIG. , Only different parts will be explained. As shown in the figure, in this embodiment, a current sensor 6 including a Rogowski coil 61 and a sensor I / F circuit 63 connected via a high-frequency cable 62 as a current detection unit.
Is used.
【０００８】この電流センサ６の設置に際しては、ロゴ
ウスキーコイル６１の内側に被測定導体（図示せず）を
貫通させて設置するとともに、センサＩ／Ｆ回路６３を
装置本体３の近くまたは装置本体３内に設置しておき、
その間を高周波ケーブル６２により接続する。また、電
圧検出部として、光ＶＴ（Voltage Transformer）本体
７１と光ファイバーケーブル７２を介して接続された発
光部・受光部７３とからなる電圧センサ７を用いたもの
である。この電圧センサ７の設置に際しては、図示しな
い被測定導体の接地線に接続された分圧器の電圧端子
に、光ＶＴ本体７１を接続し、１対の光ファイバーケー
ブル７２を介して装置本体３内に設置されている発光部
・受光部７３と接続する。When the current sensor 6 is installed, a conductor to be measured (not shown) is installed inside the Rogowski coil 61, and the sensor I / F circuit 63 is installed near the device body 3 or in the device. Installed in the main body 3,
A high frequency cable 62 is connected between them. Further, as the voltage detecting section, the voltage sensor 7 including an optical VT (Voltage Transformer) main body 71 and a light emitting section / light receiving section 73 connected via an optical fiber cable 72 is used. When the voltage sensor 7 is installed, the optical VT main body 71 is connected to the voltage terminal of the voltage divider connected to the ground wire of the conductor to be measured (not shown), and the inside of the apparatus main body 3 is connected through the pair of optical fiber cables 72. It is connected to the installed light emitting unit / light receiving unit 73.
【０００９】図２は、図１の電圧センサ７の具体的な構
成を示す図である。光ＶＴ本体７１は、偏光子７４、１
／４波長板７５、電気光学結晶７６、検光子７７、電極
７８等からなるポッケルス素子により構成されている。
発光部・受光部７３は、発光部となる駆動回路８１とＬ
ＥＤ８２、受光部となる増幅回路８３とＰＤ８４とによ
り構成されている。この電圧センサ７は、駆動回路８１
が作動してＬＥＤ８２が発光すると、光ファイバーケー
ブル７２の一方を介して光ＶＴ本体７１へ送られる。光
ＶＴ本体７１では、電極７８が図示しない分圧器に接続
されて、電気光学結晶７６に電圧が印加されている。FIG. 2 is a diagram showing a specific configuration of the voltage sensor 7 of FIG. The optical VT main body 71 includes the polarizers 74 and 1
It is configured by a Pockels element including a quarter wave plate 75, an electro-optic crystal 76, an analyzer 77, an electrode 78 and the like.
The light emitting unit / light receiving unit 73 includes a drive circuit 81 and an L
It is composed of an ED 82, an amplifier circuit 83 serving as a light receiving portion, and a PD 84. This voltage sensor 7 has a drive circuit 81.
Is activated and the LED 82 emits light, it is sent to the optical VT main body 71 through one of the optical fiber cables 72. In the optical VT main body 71, the electrode 78 is connected to a voltage divider (not shown) and a voltage is applied to the electro-optic crystal 76.
【００１０】この状態で、光ファイバーケーブル７２か
ら入力された光は、偏光子７４、１／４波長板７５、電
気光学結晶７６、検光子７７を順に通過して、光ファイ
バーケーブル７２の他方へ入力されて発光部・受光部７
３へ送られる。発光部・受光部７３では、光ファイバー
ケーブル７２から送られてきた光が、ＰＤ８４により電
気信号に変換され、次いで増幅回路８３により増幅され
てデータ処理部３３へ出力される。ここで、光ＶＴ本体
７１に入力された光は、電気光学結晶７６におけるポッ
ケルス効果により、電極７８に印加された電圧に応じて
光量が変化することを利用し、発光部・受光部７３にお
ける出力光と入力光の光量の変化から電圧の変化を検出
するものである。In this state, the light input from the optical fiber cable 72 sequentially passes through the polarizer 74, the quarter-wave plate 75, the electro-optic crystal 76, and the analyzer 77, and is input to the other end of the optical fiber cable 72. And light emitting part / light receiving part 7
Sent to 3. In the light emitting unit / light receiving unit 73, the light sent from the optical fiber cable 72 is converted into an electric signal by the PD 84, then amplified by the amplifier circuit 83 and output to the data processing unit 33. Here, the light input to the light VT main body 71 uses the fact that the light amount changes according to the voltage applied to the electrode 78 due to the Pockels effect in the electro-optic crystal 76, and the output in the light emitting unit / light receiving unit 73 is used. The change in voltage is detected from the change in the amount of light and the amount of input light.
【００１１】図３は、上述した実施形態の観測装置３を
配電線に接続した場合を示す図である。図示されるよう
に、高圧または低圧の配電線９１および架空地線１００
を支持する柱９２に、トランス９３および観測装置３が
設置されており、被測定導体であるところの接地線９４
にロゴウスキーコイル６１が取り付けられてその端部は
高周波ケーブル６２を介して観測装置３に接続されてい
る。また、同じく、被測定導体であるところの配電線９
１の各相ごとに、光ＶＴ本体および分圧器等からなる電
圧検出部９５〜９７接続されており、電圧検出部９５〜
９７と観測装置３との間は光ファイバーケーブル７２に
より接続されている。FIG. 3 is a diagram showing a case where the observation device 3 of the above-described embodiment is connected to a distribution line. As shown, a high voltage or low voltage distribution line 91 and an overhead ground wire 100.
A transformer 93 and an observing device 3 are installed on a pillar 92 that supports a ground wire 94 that is a conductor to be measured.
A Rogowski coil 61 is attached to the observation device 3, and its end is connected to the observation device 3 via a high-frequency cable 62. Similarly, the distribution line 9 that is the conductor to be measured
The voltage detectors 95 to 97 including the optical VT main body and the voltage divider are connected to each of the phases 1 and the voltage detectors 95 to 97 are connected.
An optical fiber cable 72 connects between 97 and the observation device 3.
【００１２】また、観測装置３は、携帯電話回線２を介
してセンタ１に接続され、さらにセンタ１内のセンタ装
置１１はモデム１２を介し電話回線１３と接続されてい
ることにより、配電線９１に発生した雷撃電流や誘導電
圧の波形データがセンタ装置１１へ収集される。The observation device 3 is connected to the center 1 via the mobile telephone line 2, and the center device 11 in the center 1 is connected to the telephone line 13 via the modem 12, so that the distribution line 91 Waveform data of the lightning current and the induced voltage generated in the above are collected in the center device 11.
【００１３】図４は、図３の要部を拡大して示した斜視
図である。腕金９８上に支持碍子９９を介して配電線９
１が支持され、そのとなりに電圧検出部９５が設置され
ている。FIG. 4 is an enlarged perspective view of the main part of FIG. The distribution line 9 is provided on the arm 98 through the supporting insulator 99.
1 is supported, and a voltage detection unit 95 is installed next to the device 1.
【００１４】このように、本発明の実施形態によると、
電流検出部として、測定対象の被測定導体に設置された
ロゴウスキーコイル６１から装置本体３までの間を高周
波ケーブル６２のみにより接続し、同様に、電圧検出部
として、測定対象の被測定導体に設置された光ＶＴ本体
７１から装置本体３までの間を光ファイバーケーブル７
２のみにより接続したことにより、ともに従来必要であ
った電源ケーブルの敷設工事が不要となり、その分、現
地での設置工事が容易となる。As described above, according to the embodiment of the present invention,
As a current detecting section, the Rogowski coil 61 installed on the conductor to be measured to be measured is connected to the apparatus body 3 only by the high-frequency cable 62. Similarly, as the voltage detecting unit, the conductor to be measured to be measured is also connected. The optical fiber cable 7 is installed between the optical VT main body 71 installed in
By connecting only by 2, the laying work of the power cable, which was required in the past, becomes unnecessary, and the installation work on site becomes easier accordingly.
【００１５】[0015]
【発明の効果】以上述べたように本発明によれば、雷観
測装置の電流検出部にロゴウスキーコイルを用いたこと
で、装置本体と電流検出部の間は高周波ケーブルだけで
の接続となり、電圧検出部に光ＶＴ本体を用いたこと
で、装置本体と電圧検出部の間は光ファイバーケーブル
だけでの接続となり、いずれも電源ケーブルの敷設が不
要となり、その分、装置の設置工事が容易になる。As described above, according to the present invention, since the Rogowski coil is used for the current detection part of the lightning observation device, the connection between the device body and the current detection part is made only by the high frequency cable. By using the optical VT main body for the voltage detection unit, only the optical fiber cable is connected between the main unit and the voltage detection unit, which eliminates the need to lay a power cable, which makes the installation work of the device easier. become.
【図１】本発明の実施形態を示すブロック図である。FIG. 1 is a block diagram showing an embodiment of the present invention.
【図２】図１の電圧センサ部分の具体的な構成を示す図
である。FIG. 2 is a diagram showing a specific configuration of a voltage sensor portion of FIG.
【図３】図１の実施形態を配電線に接続した場合を示す
図である。FIG. 3 is a diagram showing a case where the embodiment of FIG. 1 is connected to a distribution line.
【図４】図３の要部を拡大して示した斜視図である。FIG. 4 is a perspective view showing an enlarged main part of FIG.
【図５】従来例を示す図である。FIG. 5 is a diagram showing a conventional example.
１ センタ ２ 携帯電話回線 ３ 観測装置 ６ 電流センサ ７ 電圧センサ ６１ ロゴウスキーコイル ６２ 高周波ケーブル ６３ センサＩ／Ｆ回路 ７１ 光ＶＴ本体 ７２ 光ファイバーケーブル ７３ 発光部・受光部 1 center 2 mobile phone lines 3 observation equipment 6 Current sensor 7 Voltage sensor 61 Rogowski coil 62 high frequency cable 63 sensor I / F circuit 71 Optical VT body 72 optical fiber cable 73 Light emitting part / light receiving part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大塚 尊裕 東京都千代田区有楽町一丁目７番１号 東光電気株式会社内 (72)発明者 白石 康寛 東京都千代田区有楽町一丁目７番１号 東光電気株式会社内 (72)発明者 丸山 元樹 東京都千代田区有楽町一丁目７番１号 東光電気株式会社内 (56)参考文献 特開 平４−190642（ＪＰ，Ａ) 特開 平９−189774（ＪＰ，Ａ) 特開 平９−145759（ＪＰ，Ａ) 特開 平３−235064（ＪＰ，Ａ) 特開 平４−188081（ＪＰ，Ａ) 特開 平２−83467（ＪＰ，Ａ) 特開 平10−197652（ＪＰ，Ａ) 特開 平11−202000（ＪＰ，Ａ) 特公 平６−25796（ＪＰ，Ｂ２) 実公 平５−37261（ＪＰ，Ｙ２) (58)調査した分野(Int.Cl.7，ＤＢ名) G01W 1/00 - 1/18 G01R 15/00 - 15/26 ＪＩＣＳＴファイル（ＪＯＩＳ)─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takahiro Otsuka 1-7-1 Yurakucho, Chiyoda-ku, Tokyo Toko Electric Co., Ltd. (72) Yasuhiro Shiraishi 1-1-7 Yurakucho, Chiyoda-ku, Tokyo Toko Electric Co., Ltd. (72) Inventor Motoki Maruyama 1-7-1 Yurakucho, Chiyoda-ku, Tokyo Toko Electric Co., Ltd. (56) Reference JP-A-4-190642 (JP, A) JP-A-9-189774 (JP, A) JP 9-145759 (JP, A) JP 3-235064 (JP, A) JP 4-188081 (JP, A) JP 2-83467 (JP, A) Kaihei 10-197652 (JP, A) JP-A-11-202000 (JP, A) Japanese Patent Publication 6-25796 (JP, B2) Actual Public Publication 5-37261 (JP, Y2) (58) Fields investigated ( Int.Cl. 7 , DB name) G01W 1/00-1/18 G01R 15/00-15 / 26 JISST file (JOIS)
Claims (2)
する雷観測装置を観測現地に設置しておき、装置の観測
データを無線通信回線手段を介してセンタに収集する雷
観測システムにおいて、 内側に被測定導体を貫通させるロゴウスキーコイルを高
周波ケーブルを介して雷観測装置本体に接続して構成さ
れる電流検出部と、 被測定導体側に光ＶＴ本体を設置し光ＶＴ本体に接続す
る発光部・受光部を雷観測装置本体に設置し両者間を往
復の光ファイバーケーブルにより接続して構成される電
圧検出部と、 を備え、 電流検出部のロゴウスキーコイルに貫通させる被測定導
体を配電線路の架空地線に接続される接地線にするとと
もに、電圧検出部の光ＶＴ本体が接続される被測定導体
を配電線路にし、配電線および架空地線を支持する柱に
観測装置本体を取り付ける ことを特徴とする雷観測シス
テム。1. A lightning observation system in which a lightning observation device for observing a lightning current and an induced voltage at the time of a lightning strike is installed at an observation site, and the observation data of the device is collected at a center through a wireless communication line means. A Rogowski coil that penetrates the conductor to be measured is connected to the lightning observation device body via a high-frequency cable, and an optical VT body is installed on the conductor to be measured side and connected to the optical VT body. When configured voltage detecting unit therebetween established a light emitting portion and the light-receiving elements to lightning observation apparatus main body are connected by the reciprocating optical fiber cable, comprising a measured guide to penetrate the Rogowski coil current detection part
If you use the body as a ground wire connected to the overhead ground wire of the distribution line,
The conductor to be measured to which the optical VT body of the voltage detection unit is connected
As a distribution line, and as a pillar that supports distribution lines and overhead ground lines.
A lightning observation system that is equipped with an observation device body .
て、前記無線通信回線手段は、携帯電話回線であることを特
徴とする 雷観測システム。2. The lightning observation system according to claim 1, wherein the wireless communication line means is a mobile phone line.
A lightning observation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00494798A JP3463789B2 (en) | 1998-01-13 | 1998-01-13 | Lightning observation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00494798A JP3463789B2 (en) | 1998-01-13 | 1998-01-13 | Lightning observation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11202056A JPH11202056A (en) | 1999-07-30 |
| JP3463789B2 true JP3463789B2 (en) | 2003-11-05 |
Family
ID=11597776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00494798A Expired - Fee Related JP3463789B2 (en) | 1998-01-13 | 1998-01-13 | Lightning observation system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3463789B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7016785B2 (en) | 2004-03-04 | 2006-03-21 | Nokia Corporation | Lightning detection |
| CN104374996A (en) * | 2014-11-24 | 2015-02-25 | 南京信息工程大学 | Lightning current monitoring system for low-voltage electric transmission line |
| JP6628395B2 (en) * | 2015-07-10 | 2020-01-08 | 国立研究開発法人 海上・港湾・航空技術研究所 | External lightning protection systems, wind turbine blades and wind turbines |
-
1998
- 1998-01-13 JP JP00494798A patent/JP3463789B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11202056A (en) | 1999-07-30 |
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