JP7085984B2 - 電気式ヒューズ電流検出システム及び監視方法 - Google Patents
電気式ヒューズ電流検出システム及び監視方法 Download PDFInfo
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- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
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- G06K7/1413—1D bar codes
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- G11C—STATIC STORES
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- G11C29/027—Detection or location of defective auxiliary circuits, e.g. defective refresh counters in fuses
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/50—Marginal testing, e.g. race, voltage or current testing
- G11C29/50008—Marginal testing, e.g. race, voltage or current testing of impedance
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- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/048—Fuse resistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
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- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
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- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/046—Signalling the blowing of a fuse
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- 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
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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
- H02H3/085—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 making use of a thermal sensor, e.g. thermistor, heated by the excess current
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- G—PHYSICS
- G11—INFORMATION STORAGE
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- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C2029/0409—Online test
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
- H01H2085/0266—Structural association with a measurement device, e.g. a shunt
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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
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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
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Description
Claims (26)
- 電流検出システムであって、
ヒューズハウジングと該ヒューズハウジング内のヒューズ素子とを備え、該ヒューズ素子は、電力システムの通電されたライン側回路に接続されたときに非線形抵抗を有し、
前記ヒューズ素子と並列に接続され、前記通電されたライン側回路から前記ヒューズ素子に電流が流れている間に前記ヒューズ素子に電流または電圧を注入する電圧源または電流源を含む補償回路をさらに備え、前記電圧源または電流源は、前記通電されたライン側回路とは独立に前記ヒューズ素子に電流または電圧を注入するように構成されており、
プロセッサベースの制御装置をさらに備え、該プロセッサベースの制御装置は、
前記電流源または電圧源が前記ヒューズ素子に電流または電圧を注入する間に前記ヒューズ素子の両端で検出された第1の電圧を受け取り、
前記通電されたライン側回路から前記ヒューズ素子に流れる電流を計算し、該計算される電流は、前記受け取った第1の電圧、前記注入された電流または電圧、及び、前記電圧源または前記電流源が前記ヒューズ素子に電流または電圧を注入しているときの前記ヒューズ素子の抵抗の間の1組の関係に基づいているように構成されている、電流検出システム。 - 前記補償回路が前記ヒューズハウジング内に収納されている、請求項1に記載の電流検出システム。
- 前記補償回路が前記ヒューズホルダ上かつ前記ヒューズハウジングの外に設けられている、請求項1に記載の電流検出システム。
- 前記補償回路が断路スイッチ上かつ前記ヒューズハウジングの外に設けられている、請求項1に記載の電流検出システム。
- 前記補償回路と通信するプロセッサベースのリーダ装置をさらに備える、請求項1に記載の電流検出システム。
- 前記ヒューズ素子に関連付けられたラベルをさらに備え、前記プロセッサベースのリーダ装置が、前記ラベルを読み取り、前記通電されたライン側回路から前記ヒューズ素子に流れる電流を決定するために前記ラベルからの情報を利用するように構成されている、請求項5に記載の電流検出システム。
- 前記補償回路が、前記通電されたライン側回路から導出されないスタンドアロン電源を含む、請求項1に記載の電流検出システム。
- 前記補償回路が、交流電流源を含んでいる、請求項1に記載の電流検出システム。
- 前記補償回路が分圧抵抗を含み、前記プロセッサベースの制御装置は、前記分圧抵抗の両端で検出された第2の電圧を受け取り、前記通電されたライン側回路から前記ヒューズ素子に流れる電流を計算し、該計算される電流は、前記受け取った第1の電圧、第2の電圧、前記注入された電流または電圧、及び、前記電圧源または前記電流源が前記ヒューズ素子に電流または電圧を注入しているときの前記ヒューズ素子の抵抗の間の1組の関係に基づいているようにさらに構成されている、請求項1に記載の電流検出システム。
- 前記補償回路が、直流電流のみを注入するように構成されている、請求項1に記載の電流検出システム。
- 前記補償回路が、直流電圧のみを注入するように構成されている、請求項1に記載の電流検出システム。
- 前記補償回路が、パルス電流のみを注入するように構成されている、請求項1に記載の電流検出システム。
- 前記リーダ装置と通信する遠隔装置をさらに含む、請求項5に記載の電流検出システム。
- 前記遠隔装置が、監視制御及びデータ収集(SCADA)システムの一部である、請求項13に記載の電流検出システム。
- 前記プロセッサベースのリーダ装置が、前記補償回路と無線通信する、請求項5に記載の電流検出システム。
- 前記プロセッサベースの制御装置が、前記補償回路に含まれる、請求項1に記載の電流検出システム。
- 前記補償回路が、交流電流のみを注入する、請求項1に記載の電流検出システム。
- 電力システムの通電されたライン側回路に接続されたときに非線形抵抗を有するヒューズ素子と、前記ヒューズ素子に電気的に並列に接続された補償回路とを含む電気ヒューズを介して電力システムに流れる電流を検出する方法であって、
前記通電されたライン側回路から前記ヒューズ素子を通って電流が流れている間に、前記補償回路により、前記ヒューズ素子に、前記通電されたライン側回路から流れる電流とは独立に電圧または電流を注入することと、
前記ヒューズ素子に電圧または電流が注入されている間に、前記ヒューズ素子の両端の第1の電圧を検出することと、
少なくとも1つのプロセッサベースの制御装置により、前記通電されたライン側回路回路から前記ヒューズ素子に流れる電流を計算することと、を含み、
前記計算される電流は、検出された前記ヒューズ素子の両端の前記第1の電圧、前記注入された電流または電圧、及び、電圧源または電流源が前記ヒューズ素子に電流または電圧を注入しているときの前記ヒューズ素子の抵抗の間の1組の関係に基づいている、方法。 - 前記ヒューズがヒューズハウジングを含み、前記ヒューズ素子と電気的に並列に接続された前記補償回路を前記ヒューズハウジング内に設けることをさらに含む、請求項18に記載の方法。
- 前記補償回路により前記ヒューズ素子に電圧または電流を注入することが、直流電流のみを注入することを含む、請求項18に記載の方法。
- 前記補償回路により前記ヒューズ素子に電圧または電流を注入することが、直流電圧のみを注入することを含む、請求項18に記載の方法。
- 前記補償回路により前記ヒューズ素子に電圧または電流を注入することが、パルス電流のみを注入することを含む、請求項18に記載の方法。
- 前記補償回路により前記ヒューズ素子に電圧または電流を注入することが、交流電流のみを注入することを含む、請求項18に記載の方法。
- 前記計算された電流を無線通信することをさらに含む、請求項18に記載の方法。
- 前記補償回路を、前記電気ヒューズを受け入れるように構成されたヒューズホルダ内に設けることをさらに含む、請求項18に記載の方法。
- 前記補償回路を、前記電気ヒューズを受け入れるように構成された断路スイッチ内に設けることをさらに含む、請求項18に記載の方法。
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US14/803,315 US10598703B2 (en) | 2015-07-20 | 2015-07-20 | Electric fuse current sensing systems and monitoring methods |
PCT/US2016/041458 WO2017014961A1 (en) | 2015-07-20 | 2016-07-08 | Electric fuse current sensing systems and monitoring methods |
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US11938825B2 (en) | 2017-11-07 | 2024-03-26 | Eaton Intelligent Power Limited | System and method of a mobile electrical system |
US11052784B2 (en) | 2017-11-08 | 2021-07-06 | Eaton Intelligent Power Limited | Power distribution unit and fuse management for an electric mobile application |
US11070049B2 (en) | 2017-11-08 | 2021-07-20 | Eaton Intelligent Power Limited | System, method, and apparatus for power distribution in an electric mobile application using a combined breaker and relay |
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EP3371610A1 (en) | 2018-09-12 |
WO2017014961A1 (en) | 2017-01-26 |
KR102650440B1 (ko) | 2024-03-21 |
US10180447B2 (en) | 2019-01-15 |
US20170122988A1 (en) | 2017-05-04 |
CN108351376B (zh) | 2020-09-08 |
JP7182463B2 (ja) | 2022-12-02 |
CN107850633B (zh) | 2021-09-28 |
KR20180033227A (ko) | 2018-04-02 |
CN107850633A (zh) | 2018-03-27 |
JP2018523121A (ja) | 2018-08-16 |
MX2018005213A (es) | 2018-08-01 |
JP2019500584A (ja) | 2019-01-10 |
EP3325984B1 (en) | 2021-03-03 |
CA3003895C (en) | 2023-09-05 |
CA2992567A1 (en) | 2017-01-26 |
EP3325984A1 (en) | 2018-05-30 |
MX2018000768A (es) | 2018-05-15 |
CA2992567C (en) | 2023-05-02 |
EP4375676A1 (en) | 2024-05-29 |
KR102654979B1 (ko) | 2024-04-05 |
CN108351376A (zh) | 2018-07-31 |
US20170023618A1 (en) | 2017-01-26 |
KR20180079343A (ko) | 2018-07-10 |
CA3003895A1 (en) | 2017-05-11 |
WO2017078884A1 (en) | 2017-05-11 |
US10598703B2 (en) | 2020-03-24 |
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