JP7356571B2 - ネットワークシステムにおけるパルス電力の初期化および同期 - Google Patents
ネットワークシステムにおけるパルス電力の初期化および同期 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/16—Measuring asymmetry of polyphase networks
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- 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
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
- G06F1/305—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations in the event of power-supply fluctuations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40045—Details regarding the feeding of energy to the node from the bus
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- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
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Description
概要
本発明の態様は、独立請求項で述べられ、好ましい特徴は、従属請求項で述べられる。一態様の特徴は、単独で、または他の態様と組み合わせて、任意の態様に適用され得る。
以下の説明は、当業者が実施形態を作成および使用することを可能にするために提示される。特定の実施形態および用途の説明は、例としてのみ提供されており、様々な変更形態が当業者には容易に明らかになるであろう。本明細書に記載の一般原理は、実施形態の範囲から逸脱することなく、他の用途に適用することができる。したがって、実施形態は、示されているものに限定されるべきではなく、本明細書に記載されている原理および特徴と一致する最も広い範囲を与えられるべきである。明確にするために、実施形態に関連する技術分野で知られている技術資料に関連する詳細は、詳細には説明されていない。
にある。次に、未知の漏れ抵抗を有するdv/dtが、既知の試験抵抗が追加されたdv/dtと比較され得る。
Claims (32)
- 方法であって、
給電機器と通信する第1の受電デバイスで、前記第1の受電デバイスと通信する第2の受電デバイスを識別することであって、前記第1の受電デバイスは、前記給電機器から高電圧パルス電力を受信していることと、
前記第1の受電デバイスで、前記給電機器に前記第2の受電デバイスを通知することと、
前記高電圧パルス電力を前記第2の受電デバイスに渡す前に、前記第1の受電デバイスで、前記第2の受電デバイスとともに、低電圧電力初期化を実施することと、を含む、方法。 - 前記第1の受電デバイスは、
前記第1の受電デバイスの起動時に前記給電機器とともに第1の低電圧パルス電力初期化を行うための、および前記給電機器から前記高電圧パルス電力を受信するための、ローカル絶縁スイッチと、
前記第2の受電デバイスとともに前記低電圧電力初期化を行うための、および前記第2の受電デバイスに前記高電圧パルス電力を渡すための、出力絶縁スイッチと、を備える、請求項1に記載の方法。 - 前記高電圧パルス電力は、60ボルト以上で伝送される電力のパルスを含む、請求項1または2に記載の方法。
- 前記給電機器は、前記第2の受電デバイスの安全性確認を実施する、請求項1~3のいずれか一項に記載の方法。
- 前記給電機器に前記第2の受電デバイスを通知することは、前記第2の受電デバイスに起因するライン静電容量の変化に基づいて、タイミング調整を通信することを含む、請求項1~4のいずれか一項に記載の方法。
- 前記低電圧電力初期化は、パルスが相間で互いにオフセットされる多相パルス電力システムにおいて、相ごとに繰り返される、請求項1~5のいずれか一項に記載の方法。
- 前記第1の受電デバイスおよび前記第2の受電デバイスのうちの1つは、少なくとも1つの下流デバイスのための別の給電機器ノードとして動作するように構成されている、請求項1~6のいずれか一項に記載の方法。
- 方法であって、
給電機器から、低電圧パルス電力を受電デバイスに伝送することと、
前記給電機器で、前記受電デバイスでの高電圧パルス電力動作に関する安全性試験を実施することと、
前記安全性試験に合格すると、前記給電機器で高電圧パルス電力動作を有効化することと、
高電圧パルス電力を、前記給電機器から前記受電デバイスに伝送することと、を含み、
前記受電デバイスが前記低電圧パルス電力の波形と同期する、方法。 - 前記受電デバイスの変調器スイッチは、前記給電機器の変調器スイッチと同期している、請求項8に記載の方法。
- 前記受電デバイスの変調器スイッチがオンにされた後に前記受電デバイスと通信することをさらに含む、請求項8または9に記載の方法。
- 前記低電圧パルス電力は、60ボルト以下で伝送される電力のパルスを含む、請求項8~10のいずれか一項に記載の方法。
- 前記低電圧パルス電力と前記高電圧パルス電力との間の差が少なくとも170ボルトである、請求項8~11のいずれか一項に記載の方法。
- 前記受電デバイスで送受信機との通信リンクを確立することと、前記受電デバイスと電力レベルをネゴシエーションすることと、をさらに含む、請求項8~12のいずれか一項に記載の方法。
- 前記低電圧パルス電力を伝送することと、パルスが相間で互いにオフセットされる多相パルス電力システムの相ごとに前記安全性試験を前記実施することと、を繰り返すこと、をさらに含む、請求項8~13のいずれか一項に記載の方法。
- 前記安全性試験は、ケーブル静電容量および衝撃障害試験を含む、請求項8~14のいずれか一項に記載の方法。
- 前記安全性試験は、静電容量試験を含み、かつ前記静電容量試験に基づいて、前記高電圧パルス電力の高電圧パルス間の最小オフ時間を特定することをさらに含む、請求項8~15のいずれか一項に記載の方法。
- 前記受電デバイスと通信する第2の受電デバイスに、前記高電圧パルス電力を伝送することをさらに含む、請求項8~16のいずれか一項に記載の方法。
- 前記安全性試験を実施することは、
ケーブル静電容量電圧を変調し、放電時間を測定することと、
計算されたケーブル静電容量に基づいて、負荷電圧閾値を設定することと、
高電圧パルス電力のデューティサイクルを決定することと、を含む、請求項8~17のいずれか一項に記載の方法。 - 前記給電機器は、保守中の前記高電圧パルス電力の伝送を防止するために、手動操作式の短絡スイッチを備える、請求項8~18のいずれか一項に記載の方法。
- 方法であって、
受電デバイスで、給電機器から低電圧パルス電力を受信することと、
前記受電デバイスを、前記給電機器から受信した前記低電圧パルス電力の波形と同期させることと、
前記受電デバイスを、前記給電機器から受信した高電圧パルス電力で動作させることと、を含む、方法。 - 前記高電圧パルス電力を受信する前に、前記給電機器と通信するために前記受電デバイスで送受信機を起動することをさらに含む、請求項20に記載の方法。
- 前記受電デバイスを同期させることは、前記受電デバイスの変調器スイッチがオンになる前に前記給電機器の変調器スイッチがオンになり、かつ前記給電機器の前記変調器スイッチがオフになる前に前記受電デバイスの前記変調器スイッチがオフになるように、前記受電デバイスを同期させることを含む、請求項20または21に記載の方法。
- 前記低電圧パルス電力を受信する前に、一定期間にわたって前記給電機器から低電圧電力を受信すると、ハウスキーピング回路を起動することをさらに含む、請求項20~22のいずれか一項に記載の方法。
- 前記高電圧パルス電力を受信したときに低電圧ハウスキーピング回路を無効化することと、高電圧ハウスキーピング電力のために高電圧ハウスキーピング回路を動作させることと、をさらに含む、請求項20~23のいずれか一項に記載の方法。
- 前記低電圧パルス電力を前記受信することと、パルスが相間で互いにオフセットされる多相パルス電力システムの相ごとに前記同期させることと、を繰り返すこと、をさらに含む、請求項20~24のいずれか一項に記載の方法。
- 方法であって、
変調器スイッチが開いている状態で、受電デバイスで、給電機器から高電圧パルス電力を受信することと、
前記高電圧パルス電力のパルスがオンのときに、前記受電デバイスで絶縁電圧を結合することと、
前記受電デバイスのハウスキーピング回路に通電することと、
特定の数の高電圧パルスが受信された後、前記受電デバイスの前記変調器スイッチをオンにして、前記高電圧パルス電力で前記受電デバイスに電力を供給することと、を含む、方法。 - 前記給電機器は、前記受電デバイスの前記変調器スイッチの通常の動作を確認し、通常の動作が確認されない場合は前記高電圧パルス電力をオフにする、請求項26に記載の方法。
- 前記受電デバイスは、前記高電圧パルス電力を受信する前に前記給電機器を含むネットワークにホットスワップされる、請求項26または27に記載の方法。
- 前記変調器スイッチが開いた状態で受信される前記高電圧パルス電力は短いパルスオン時間を含み、前記変調器スイッチがオンになった後に受信される前記高電圧パルス電力は通常動作パルスオン時間を含む、請求項26~28のいずれか一項に記載の方法。
- 前記変調器スイッチのタイミングを給電機器変調器スイッチと同期させることをさらに含む、請求項26~29のいずれか一項に記載の方法。
- 請求項1~30のいずれか一項に記載の方法のステップを実装するための手段を含む、装置。
- コンピュータによって実行されたときに、前記コンピュータに、請求項1~30のいずれか一項に記載の方法のステップを実行させる命令を含む、コンピュータプログラム、コンピュータプログラム製品、またはコンピュータ可読媒体。
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DE102021128050A1 (de) | 2021-10-27 | 2023-04-27 | WAGO Verwaltungsgesellschaft mit beschränkter Haftung | Schaltung mit schalter zum entladen von mit einem sicherheitsgerichteten digitalen eingang verbundenen kapazitiven elementen |
CN117096821A (zh) * | 2022-05-12 | 2023-11-21 | Abb瑞士股份有限公司 | 保护单元、adc模块和系统 |
WO2023244794A1 (en) * | 2022-06-16 | 2023-12-21 | Schneider Electric USA, Inc. | Pulse width modulated fault managed power systems |
TWI821098B (zh) * | 2023-01-05 | 2023-11-01 | 四零四科技股份有限公司 | 恢復乙太網供電運作之網路裝置 |
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