JP2016516391A - 電気ネットワーク保護装置 - Google Patents
電気ネットワーク保護装置 Download PDFInfo
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- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
- H02H1/003—Fault detection by injection of an auxiliary voltage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
- H02H3/17—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/40—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to ratio of voltage and current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/11—Locating faults in cables, transmission lines, or networks using pulse reflection methods
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
− 電気ネットワークと結合するための手段、
− 高周波数電気信号を生成する注入ユニットであって、前記信号は結合手段を介して前記ネットワークに注入される、注入ユニット、
− 結合手段を介して、注入された信号からの帰還信号を受信可能な受信ユニットであって、前記ユニットは受信信号をデジタル化する、受信ユニット、
− 少なくとも受信ユニットに接続された制御およびデータ処理ユニットであって、前記制御および処理ユニットは受信ユニットにより供給されたデジタル化データを分析する、制御およびデータ処理ユニット、
− 制御およびデータ処理ユニットに接続され、制御情報を少なくとも第2の部分に伝送可能な通信手段、
を備える。
− 監視されている回線の2つの導体の間にセンサ信号を注入すること、
− 監視されている回線の2つの導体の間でセンサ信号を受信すること、
である。
− 回線の本来の信号を検出するためにシステムを保護すること、
− 環境にリンクした侵襲(稲光など)に対してシステムを保護すること、
− 監視されている回線に向かってセンサ信号を方向付けることであって、前記回線は複数の回線により形成されるネットワークの一部を構成することが可能であり、方向性結合がその時関係していること、
とすることができる。
○ 設置時、
○ 最初の電源投入時、
○ システムまたはサブシステムのスタートアップ時、
○ 外部ユニットの制御の下に、
○ 周期的に、
○ または、回線のシグネチャに影響を与える場合があるが障害ではないであろう負荷や相互接続の状態の変動性を自動的に考慮に入れて、
メモリに配置される。
○ 回線の種類に従って、制動および減衰などの前記回線の広帯域特性を考慮するために定義され、
○ 障害の種類(非通電の障害、非通電でない障害)に従って定義され、実際に診断されるべき障害の種類に従って、複数の警告レベルで同じシステムに対して複数の閾値が定義され得る。
− 短絡、
− 開路、
− 並列アーク、
− 直列アーク、
− 絶縁不良、
− 部分放電。
− ネットワークへのセンサ信号の注入の周期T、Tはマイクロ秒のオーダーである、
− 障害までの往復時間、電気信号の伝搬速度および関係する距離に関してほぼゼロである、
− 受信信号処理時間、これは最終的に全体的な応答時間を決定する時間であって、1ミリ秒未満である、
− 受信信号伝送時間、これも同様に無視できる。
T1+T2...+Tn<td
となるように保証することにより、第1の回線に対して周期T1をとり、第nの回線に対して周期Tnをとることができ、このように、障害が起こる回線にかかわらず障害が見られることを保証できる。
Claims (15)
- 少なくとも、ネットワークで起こる電気的障害を検出するように意図された第1の部分と、前記ネットワークを電力供給源(4)に接続する少なくとも1つのスイッチ(5)を備える第2の部分(2)とを備え、前記第1の部分は前記ネットワークに結合可能な少なくとも1つの反射率測定検出システム(1)を備え、前記システムは前記ネットワークの中で起こるインピーダンスの変化を検出および分析し、検出されたインピーダンスの変化が所定の閾値を超えるとき前記スイッチ(5)の開放をトリガするために前記システムによって信号が送信されることを特徴とする、電気ネットワーク保護装置。
- 検出システムは少なくとも、
− 電気ネットワークと結合するための手段(12)と、
− 高周波数電気信号を生成する注入ユニット(11)であって、前記信号は前記結合手段を介して前記ネットワークに注入される、注入ユニット(11)と、
− 前記結合手段を介して、注入された信号からの帰還信号を受信可能な受信ユニット(13)であって、前記ユニットは前記受信信号をデジタル化する、受信ユニット(13)と、
− 少なくとも前記受信ユニット(13)に接続された制御およびデータ処理ユニット(14)であって、前記制御および処理ユニットは前記受信ユニットにより供給された前記デジタル化データを分析する、制御およびデータ処理ユニット(14)と、
− 前記制御および処理ユニットに接続され、制御情報を少なくとも前記第2の部分(2)に伝送可能な通信手段(15)と、
を備えることを特徴とする、請求項1に記載の装置。 - 前記第1の部分は電気ネットワークの複数の位置で結合されることが可能な反射率測定検出システムのグループを備えることを特徴とする、請求項1または2に記載の装置。
- 前記ネットワークは少なくとも1つの回線(3、3’、3’’)を備え、検出システムは各々の回線の終端に結合されることを特徴とする、請求項3に記載の装置。
- 前記ネットワークは複数のセグメント(AB、AC、AD)から構成され、i番目のセグメントは、ni個の検出システムによって見られることを特徴とする、請求項3または4に記載の装置。
- 前記装置は、前記ネットワーク内で少なくとも1つの電気的変数を測定するための手段をさらに備え、この変数の測定値が所定の閾値を超えるとき開放コマンドは前記スイッチ(5)に送信されることを特徴とする、請求項1〜5のいずれか一項に記載の装置。
- 前記変数は電流であることを特徴とする、請求項6に記載の装置。
- 前記結合手段(12)は、前記回線に注入される前記信号を所定の方向に方向付けることにより方向性結合を実行することを特徴とする、請求項2〜7のいずれか一項に記載の装置。
- 少なくとも1つの検出システム(1)は所定の回線領域でインピーダンスの変化を検出するようにプログラムされることを特徴とする、請求項1〜8のいずれか一項に記載の装置。
- スイッチ(5)の前記開放をトリガするために送信される前記信号は符号化信号であり、前記符号化信号は前記少なくとも1つの検出システム(1)によって注入されたセンサ信号により搬送されることを特徴とする、請求項1〜9のいずれか一項に記載の装置。
- 前記所定の検出閾値はプログラム可能であることを特徴とする、請求項1〜10のいずれか一項に記載の装置。
- 少なくとも前記注入ユニット(11)、前記受信ユニット(13)ならびに前記制御およびデータ処理ユニット(14)は複数の回線間で共有され、1つまたは複数のマルチプレクサが前記注入ユニット(11)および前記受信ユニット(13)と各々の回線に属する前記結合手段(12)との間に挿入されることを特徴とする、請求項2〜11のいずれか一項に記載の装置。
- 前記装置は、インピーダンス変動または前記反射率測定検出システム(1)によって注入された信号の速度変動の検出に基づいて回線診断情報を提供可能であることを特徴とする、請求項1〜12のいずれか一項に記載の装置。
- 検出システムはマルチキャリア反射率測定法を行うことを特徴とする、請求項1〜13のいずれか一項に記載の装置。
- 前記マルチキャリア反射率測定法はMCTDRであることを特徴とする、請求項14に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1352376 | 2013-03-18 | ||
FR1352376A FR3003410B1 (fr) | 2013-03-18 | 2013-03-18 | Dispositif de protection de reseaux electriques |
PCT/EP2014/055379 WO2014147056A1 (fr) | 2013-03-18 | 2014-03-18 | Dispositif de protection de reseaux electriques |
Publications (2)
Publication Number | Publication Date |
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JP2016516391A true JP2016516391A (ja) | 2016-06-02 |
JP6453304B2 JP6453304B2 (ja) | 2019-01-16 |
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JP2016503633A Active JP6453304B2 (ja) | 2013-03-18 | 2014-03-18 | 電気ネットワーク保護装置 |
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Country | Link |
---|---|
US (1) | US9941683B2 (ja) |
EP (1) | EP2976819B1 (ja) |
JP (1) | JP6453304B2 (ja) |
CN (1) | CN105051996B (ja) |
CA (1) | CA2907434C (ja) |
ES (1) | ES2829596T3 (ja) |
FR (1) | FR3003410B1 (ja) |
WO (1) | WO2014147056A1 (ja) |
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FR3097057B1 (fr) * | 2019-06-06 | 2022-05-20 | Psa Automobiles Sa | Procédé de diagnostic de connexion électrique défaillante dans un système électrique |
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JP2004074924A (ja) * | 2002-08-19 | 2004-03-11 | Railway Technical Res Inst | き電回路の保護装置 |
JP2012506035A (ja) * | 2008-10-15 | 2012-03-08 | コミサリア ア レネルジィ アトミーク エ オ ゼネ ルジイ アルテアナティーフ | 送信ネットワーク診断用の分散型反射率測定装置及び方法 |
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FR3003410B1 (fr) | 2016-07-01 |
EP2976819A1 (fr) | 2016-01-27 |
CA2907434C (en) | 2021-11-02 |
US9941683B2 (en) | 2018-04-10 |
WO2014147056A1 (fr) | 2014-09-25 |
JP6453304B2 (ja) | 2019-01-16 |
CA2907434A1 (en) | 2014-09-25 |
ES2829596T3 (es) | 2021-06-01 |
CN105051996A (zh) | 2015-11-11 |
US20160276820A1 (en) | 2016-09-22 |
CN105051996B (zh) | 2019-07-05 |
FR3003410A1 (fr) | 2014-09-19 |
EP2976819B1 (fr) | 2020-09-02 |
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