JP6392928B2 - 回路遮断器用トリップ制御回路 - Google Patents
回路遮断器用トリップ制御回路 Download PDFInfo
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- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
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- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
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- H02H3/087—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 for dc applications
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- H—ELECTRICITY
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- 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
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- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
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- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- 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
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
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Description
図1又は図4を参照すると、変流器20のコア20aを貫通する回路に流れる電流を1次電流(i1、i2又はIp)とすると、1次電流(i1、i2又はIp)は交流成分と直流成分を含む。
一方、図2に示すような本発明の好ましい第2実施形態は、上記第1実施形態とは異なり、検知抵抗62とローパスフィルタ回路部63−1とをさらに含む。
一方、図3に示すような本発明の好ましい第3実施形態は、上記第1及び第2実施形態とは異なり、第1表示部64と第2表示部65とをさらに含む。
20a コア
20b 2次コイル
30 トリップ機構
40 開閉機構
50 負荷
60 トリップ制御回路部
61 発振回路部
62 検知抵抗
63 トリップ判断回路部
63−1 ローパスフィルタ回路部
64 第1表示部
65 第2表示部
Claims (9)
- 回路の貫通を許容する環状のコア、及び前記コアに巻回されて前記回路に流れる電流を検出して電流検出信号を供給する2次コイルを有する変流器と、
前記変流器のヒステリシスループの傾きが大きくなるようにして前記変流器の2次コイルが前記回路に流れる交流電流及び直流電流をどちらも検出できるように、電気信号を前記変流器の2次コイルに供給する発振回路部と、
前記変流器の2次コイルから出力された交流成分及び直流成分を有する前記電流検出信号の電流値と所定の基準電流値とを比較し、比較の結果、前記電流検出信号の電流値が前記基準電流値を超えれば、トリップ制御信号を出力するトリップ判断回路部とを含み、
前記トリップ判断回路部は、前記電流検出信号に基づいて、時間の変化に応じて前記回路に流れる電流量を決定し、前記発振回路部から前記2次コイルに供給される前記電気信号の波形及び周波数を決定するように構成される、回路遮断器用トリップ制御回路。 - 前記変流器の2次コイルに接続され、前記2次コイルから供給された電流検出信号としての電流信号を電圧信号に変換して出力する検知抵抗をさらに含む、請求項1に記載の回路遮断器用トリップ制御回路。
- 前記発振回路部により供給される前記電気信号は、矩形波信号で構成される、請求項1又は2に記載の回路遮断器用トリップ制御回路。
- 前記発振回路部により供給される前記電気信号は、高周波の正弦波信号で構成される、請求項1又は2に記載の回路遮断器用トリップ制御回路。
- 前記トリップ判断回路部は、前記2次コイルに発生する時間帯毎の磁界強度の変化及びそれに応じた磁束密度の変化の関係に基づいて、前記発振回路部により出力される波形の信号を決定するように構成される、請求項1〜4のいずれか一項に記載の回路遮断器用トリップ制御回路。
- 前記発振回路部から前記2次コイルに供給される信号に対応する前記2次コイルの磁界強度及び磁束密度を表示する第1表示部をさらに含む、請求項1〜5のいずれか一項に記載の回路遮断器用トリップ制御回路。
- 前記変流器の前記コアを貫通する回路に流れる直流成分が検出されると直流成分の検出を示す情報を表示する第2表示部をさらに含む、請求項1〜6のいずれか一項に記載の回路遮断器用トリップ制御回路。
- 前記トリップ判断回路部は、回路に流れる直流成分及び交流成分の少なくとも一方からなる電流又は直流電流と交流電流の合成電流を検出した電流検出信号を前記2次コイルから受信するように構成される、請求項1〜7のいずれか一項に記載の回路遮断器用トリップ制御回路。
- 前記トリップ判断回路部は、前記2次コイルに誘導された電流の信号に混入し得る高周波成分を除去するローパスフィルタ回路部を含む、請求項1〜8のいずれか一項に記載の回路遮断器用トリップ制御回路。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2016-0052310 | 2016-04-28 | ||
KR1020160052310A KR102539688B1 (ko) | 2016-04-28 | 2016-04-28 | 누전 차단기 |
Publications (2)
Publication Number | Publication Date |
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JP2017199676A JP2017199676A (ja) | 2017-11-02 |
JP6392928B2 true JP6392928B2 (ja) | 2018-09-19 |
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Application Number | Title | Priority Date | Filing Date |
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JP2017089811A Active JP6392928B2 (ja) | 2016-04-28 | 2017-04-28 | 回路遮断器用トリップ制御回路 |
Country Status (5)
Country | Link |
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US (1) | US10483751B2 (ja) |
EP (1) | EP3242369B1 (ja) |
JP (1) | JP6392928B2 (ja) |
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Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3076623B1 (fr) * | 2018-01-08 | 2020-09-18 | Hager Electro Sas | Interrupteur electronique |
CN108459193B (zh) * | 2018-04-04 | 2020-09-11 | 北京智芯微电子科技有限公司 | 交变电流测量装置 |
KR102039272B1 (ko) * | 2018-08-23 | 2019-10-31 | 주식회사 에프램 | 직류 전원 전류 감지 회로 |
KR102039268B1 (ko) * | 2018-08-23 | 2019-10-31 | 주식회사 에프램 | 교류 및 직류 전류 감지 회로 |
CN109444621B (zh) * | 2018-10-01 | 2021-04-09 | 徐州中矿大传动与自动化有限公司 | 一种大功率npc三电平逆变器功率模块电流在线检测方法 |
KR102046589B1 (ko) * | 2018-11-30 | 2019-12-02 | 한국전기연구원 | 자동점검 누전차단기 |
US11079424B2 (en) * | 2018-12-07 | 2021-08-03 | Schneider Electric USA, Inc. | Combined low frequency and high frequency current sensor |
KR102153970B1 (ko) * | 2018-12-26 | 2020-09-09 | 엘에스일렉트릭(주) | 기중회로차단기의 변류기 |
KR102672226B1 (ko) * | 2019-01-07 | 2024-06-05 | 엘에스일렉트릭(주) | 누설 전류의 유형을 출력할 수 있는 누전 차단기 및 그 제어 방법 |
DE102019205744B3 (de) * | 2019-04-18 | 2020-08-06 | Ellenberger & Poensgen Gmbh | Verfahren zum Erkennen eines Fehlerstroms |
CN110231539B (zh) * | 2019-06-04 | 2021-01-19 | 西安交通大学 | 一种用于真双极直流输配电线路的单极接地故障检测系统 |
CN112345966B (zh) * | 2019-08-07 | 2023-02-03 | 青岛鼎信通讯股份有限公司 | 一种通过剩余电流互感器检测直流漏电的方法及其装置 |
CN110672913B (zh) * | 2019-10-09 | 2022-06-21 | 青岛鼎信通讯股份有限公司 | 一种适于交直流漏电检测的复杂波形信号处理方法 |
CN110531211B (zh) * | 2019-10-09 | 2021-10-29 | 青岛鼎信通讯股份有限公司 | 一种用于交直流漏电检测系统的电路方案 |
TWI734430B (zh) * | 2020-03-27 | 2021-07-21 | 士林電機廠股份有限公司 | 交/直流漏電偵測迴路 |
CN111817258B (zh) * | 2020-06-29 | 2022-04-01 | 天津相和电气科技有限公司 | 一种基于改进的直流分量法的磁调制式直流漏电保护装置 |
CN117063367A (zh) * | 2022-03-11 | 2023-11-14 | 东亚电器工业株式会社 | 内置有分闸模块式电路断路器的漏电断路器 |
US20240019495A1 (en) * | 2022-07-12 | 2024-01-18 | Schweitzer Engineering Laboratories, Inc. | Trip circuit current display |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2062694B2 (de) * | 1970-09-08 | 1975-05-28 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Fehlerstromschutzschalter |
US4280162A (en) * | 1977-08-04 | 1981-07-21 | North American Philips Corporation | Ground fault circuit interrupter |
US4276510A (en) * | 1979-05-16 | 1981-06-30 | General Electric Company | Apparatus for sensing current transformer primary current as a function of differential core inductance |
US4852030A (en) | 1984-09-24 | 1989-07-25 | Westinghouse Electric Corp. | Time-of-use-meter with a calendar of cyclic events |
JP2586156B2 (ja) | 1989-06-23 | 1997-02-26 | 富士電機株式会社 | 交直両用電流検出方法 |
US5223789A (en) * | 1989-06-23 | 1993-06-29 | Fuji Electric Co., Ltd. | AC/DC current detecting method |
JP3505558B2 (ja) | 1996-02-16 | 2004-03-08 | 富士電機機器制御株式会社 | 漏電遮断器 |
JPH11289613A (ja) | 1998-04-03 | 1999-10-19 | Mitsubishi Electric Corp | 盤用制御電源装置 |
DE20220276U1 (de) * | 2002-02-25 | 2003-06-18 | Schulze, Wolfgang, 90425 Nürnberg | Vorrichtung zur Überwachung eines elektrischen Stromnetzes |
JP4264817B2 (ja) | 2003-11-27 | 2009-05-20 | 富士電機機器制御株式会社 | 漏電遮断器 |
JP4715537B2 (ja) | 2006-02-15 | 2011-07-06 | 富士電機株式会社 | 漏電遮断器 |
KR100960498B1 (ko) | 2008-03-10 | 2010-06-01 | 엘에스산전 주식회사 | 누전차단기의 제어장치 |
KR101068718B1 (ko) * | 2009-05-21 | 2011-09-28 | 엘에스산전 주식회사 | 회로차단기용 이상전류 검출회로 |
JP5283646B2 (ja) | 2010-02-27 | 2013-09-04 | 中国電力株式会社 | 直流地絡検出継電器 |
DE102010028626B4 (de) * | 2010-05-05 | 2021-09-16 | Bender Gmbh & Co. Kg | Stromaufladevorrichtung für ein Elektrofahrzeug |
IES20100604A2 (en) * | 2010-09-21 | 2011-06-08 | Shakira Ltd | DC & AC current detection circuit |
JP5634240B2 (ja) | 2010-12-08 | 2014-12-03 | パナソニック株式会社 | 漏電検出遮断器 |
JP5817316B2 (ja) * | 2011-08-11 | 2015-11-18 | 富士電機機器制御株式会社 | 漏電遮断器 |
IES20110389A2 (en) | 2011-09-06 | 2013-03-13 | Atreus Entpr Ltd | Leakage current detector |
JP5948958B2 (ja) * | 2012-02-29 | 2016-07-06 | 富士電機機器制御株式会社 | 電流検出装置 |
KR101379813B1 (ko) | 2012-06-08 | 2014-03-31 | 주식회사 대륙 | 직류 누전 차단기 |
CN104931758B (zh) * | 2014-03-21 | 2018-03-27 | 上海电科电器科技有限公司 | 直流剩余电流检测装置 |
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JP2017199676A (ja) | 2017-11-02 |
CN107342578B (zh) | 2020-05-19 |
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KR20170123094A (ko) | 2017-11-07 |
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