JP2022508611A - ソリッドステート回路遮断器 - Google Patents
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- H—ELECTRICITY
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- H02H3/08—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 excess current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
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- H02H3/08—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 excess current
- H02H3/10—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 excess current additionally responsive to some other abnormal electrical conditions
- H02H3/105—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 excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
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- H02H3/20—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 excess voltage
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- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
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- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
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- H—ELECTRICITY
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- H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/025—Current limitation using field effect transistors
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0822—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in field-effect transistor switches
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
- H03K17/6871—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
- H03K17/6872—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor using complementary field-effect transistors
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- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
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- 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
- H02H3/08—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 excess current
- H02H3/10—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 excess current additionally responsive to some other abnormal electrical conditions
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- 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
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- 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
- H02H3/24—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 undervoltage or no-voltage
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- 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
- H02H7/08—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 for dynamo-electric motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
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Abstract
Description
本出願は、2018年10月1日に出願された米国特許出願第16/149,094号の一部継続出願であり、当該開示は、参照により本明細書に組み込まれる。
Claims (20)
- 回路遮断器であって、
ソリッドステートスイッチであって、前記回路遮断器のライン入力端子と負荷出力端子との間に直列に接続されており、(i)前記ライン入力端子と前記負荷出力端子との間の電気経路に電気的接続を提供するためのスイッチオン状態、および(ii)スイッチオフ状態のうちの1つになるように構成されている、ソリッドステートスイッチと、
前記回路遮断器の動作を制御するための第1の制御モードおよび第2の制御モードを実装するように構成されたモード制御回路と、を備え、
前記第1の制御モードは、前記自己バイアスターンオン閾値電圧が生成されるまで、前記ソリッドステートスイッチを前記スイッチオフ状態に維持しながら、前記回路遮断器の電源投入中に、前記ソリッドステートスイッチに対して自己バイアスターンオン閾値電圧を生成するように構成されており、
前記第2の制御モードが、前記自己バイアスターンオン閾値電圧を中断して、前記ソリッドステートスイッチを前記スイッチオフ状態にするように構成されている、回路遮断器。 - 前記モード制御回路が、
電圧クランプ回路と、第1の制御スイッチと、を備える、自己バイアス回路を備え、
前記電圧クランプ回路が、前記回路遮断器の前記ライン入力端子に印加される入力電源から引き出される電流を使用して、前記回路遮断器の電源投入中に前記ソリッドステートスイッチに対して前記自己バイアスターンオン閾値電圧を生成するように構成されており、
前記第1の制御スイッチは、前記ソリッドステートスイッチの制御入力を短絡させて、前記自己バイアスターンオン閾値電圧が生成されるまで、前記ソリッドステートスイッチをスイッチオフ状態に維持するように構成されている、請求項1に記載の回路遮断器。 - 前記電圧クランプ回路が、並列に接続されたコンデンサおよびツェナーダイオードを備える、請求項2に記載の回路遮断器。
- 前記自己バイアス回路が、前記第1の制御ゲートの制御ゲートに結合された抵抗器-コンデンサ(RC)ネットワークを備え、前記RCネットワークが、前記回路遮断器の前記ライン入力端子に印加された前記入力電源から引き出された電流を使用して、前記回路遮断器の前記電源投入中に充電され、前記RCネットワークが、前記回路遮断器の電源投入中に前記ソリッドステートスイッチの前記自己バイアスターンオン閾値電圧を生成するのに必要な期間以上の期間に対応するRC時間定数を有するように構成されている、請求項2に記載の回路遮断器。
- 前記自己バイアス回路が、前記電圧クランプ回路に接続された入力と、前記第1の制御スイッチの制御ゲートに接続された出力と、を有する動作増幅器を備え、前記動作増幅器が、前記自己バイアスターンオン閾値電圧の生成中に前記第1の制御スイッチをスイッチオン状態に維持すること、および前記自己バイアスターンオン閾値電圧が生成された後に前記第1の制御スイッチをスイッチオフ状態にすることによって、前記第1の制御スイッチの動作を制御するように構成されている、請求項2に記載の回路遮断器。
- 前記モード制御回路が、第2の制御スイッチを備え、前記第2の制御スイッチが、前記第2の制御スイッチの起動に応答して、前記ソリッドステートスイッチの制御入力を短絡させ、前記自己バイアスターンオン閾値電圧を中断して、前記ソリッドステートスイッチをスイッチオフ状態にするように構成されている、請求項1に記載の回路遮断器。
- センサ回路をさらに備え、前記センサ回路が、前記ソリッドステートスイッチを前記スイッチオフ状態にすることを保証する状態を検出したことに応答して、前記第2の制御スイッチを起動する制御信号を生成するように構成されている、請求項6に記載の回路遮断器。
- 前記センサ回路が、前記ライン入力端子と前記負荷出力端子との間の前記電気経路内で流れる電流を検知し、故障状態を検出するように構成された電流センサを備え、前記故障状態が、短絡故障状態、過電流故障状態、アーク故障状態、および接地故障状態のうちの1つを含む、請求項7に記載の回路遮断器。
- 前記センサ回路が、有害な環境状態を検知するように構成されている環境センサ回路を備える、請求項7に記載の回路遮断器。
- 前記環境センサ回路が、(i)有害化学物質の存在を検出するように構成された化学物質感応型検出器、(ii)有害ガスの存在を検出するように構成されたガス感応型検出器、(iii)温度を検出するように構成された温度センサ、(iv)振動を検出するように構成された圧電検出器、および(v)湿潤環境を検出するように構成された湿度センサのうちの1つ以上を備える、請求項9に記載の回路遮断器。
- 前記第2の制御スイッチが、フォトトランジスタを備え、前記センサ回路は、前記第2の制御スイッチが光学制御信号に応答して起動されるように、前記第2の制御スイッチに光学的に結合されている、請求項7に記載の回路遮断器。
- 前記第2の制御スイッチが、フォトトランジスタを備え、前記第2の制御スイッチが、光学制御信号に応答して起動される、請求項6に記載の回路遮断器。
- 請求項1に記載の回路遮断器を備える、電気回路ブレーカ。
- 請求項1に記載の回路遮断器を備える、電気レセプタクル装置。
- 請求項1に記載の回路遮断器を備える、電気照明スイッチ装置。
- 回路遮断器であって、
前記回路遮断器のライン入力端子と負荷出力端子との間に直列に接続されたソリッドステートスイッチおよび空隙電磁スイッチと、
前記ソリッドステートスイッチおよび前記空隙電磁スイッチの動作を制御するように構成されたスイッチコントローラと、
前記回路遮断器の前記ライン入力端子に入力される供給電力波形のゼロ交差を検出するように構成されたゼロ交差センサと、
前記ライン入力端子と前記負荷出力端子との間の前記電気経路内で流れる電流を検知し、前記検知された電流の流れに基づいて故障状態を検出するように構成された電流センサと、を備え、
前記電流センサによる故障状態の検出に応答して、前記スイッチコントローラが、(i)前記ソリッドステートスイッチをスイッチオフ状態にし、(ii)前記ソリッドステートスイッチがスイッチオフ状態になった後に、前記空隙電磁スイッチをスイッチ開状態にするようにスイッチ制御信号を生成するように構成されており、
前記スイッチコントローラが、前記ゼロ交差センサから出力されるゼロ交差検出信号を利用して、前記供給電力波形のゼロ交差事象を検出し、前記検出されたゼロ交差事象に応答して、前記空隙電磁スイッチを前記スイッチ開状態にする、回路遮断器。 - 前記ゼロ交差センサが、(i)電流波形、および(ii)前記供給電力波形の電圧波形のうちの少なくとも1つのゼロ交差を検出するように構成されている、請求項16に記載の回路遮断器。
- 前記ゼロ交差センサが、前記電流波形および電圧波形の対向する半サイクル間で遷移する極性の関連する方向を検出するように構成されており、前記スイッチコントローラは、前記極性遷移が前記ソリッドステートスイッチの本体ダイオードを逆バイアスさせるときに、前記空隙電磁スイッチを前記スイッチ開状態にする、請求項17に記載の回路遮断器。
- 前記電流センサが、短絡故障状態、過電流故障状態、アーク故障状態、および接地故障状態のうちの少なくとも1つを検出するように構成されている、請求項16に記載の回路遮断器。
- 有害な環境状態を検知するように構成された環境センサ回路をさらに備え、前記環境センサ回路が、(i)有害化学物質の存在を検出するように構成された化学物質感応型検出器、(ii)有害ガスの存在を検出するように構成されたガス感応型検出器、(iii)温度を検出するように構成された温度センサ、(iv)振動を検出するように構成された圧電検出器、および(v)湿潤環境を検出するように構成された湿度センサ、のうちの1つ以上を備える、請求項16に記載の回路遮断器。
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PCT/US2019/054102 WO2020072516A1 (en) | 2018-10-01 | 2019-10-01 | Solid-state circuit interrupters |
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EP3857662A1 (en) | 2021-08-04 |
JP7519363B2 (ja) | 2024-07-19 |
CN113454864A (zh) | 2021-09-28 |
EP3857662A4 (en) | 2022-08-24 |
CA3115120A1 (en) | 2020-04-09 |
US20200106259A1 (en) | 2020-04-02 |
US10985548B2 (en) | 2021-04-20 |
KR20210064372A (ko) | 2021-06-02 |
WO2020072516A1 (en) | 2020-04-09 |
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