CN111344924B - 接地故障电流断续器电路 - Google Patents

接地故障电流断续器电路 Download PDF

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Publication number
CN111344924B
CN111344924B CN201880073674.0A CN201880073674A CN111344924B CN 111344924 B CN111344924 B CN 111344924B CN 201880073674 A CN201880073674 A CN 201880073674A CN 111344924 B CN111344924 B CN 111344924B
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China
Prior art keywords
current
difference
threshold voltages
threshold
circuit
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CN201880073674.0A
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English (en)
Chinese (zh)
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CN111344924A (zh
Inventor
J·E·阿科斯塔
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Texas Instruments Inc
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Texas Instruments Inc
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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
    • H02H3/162—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 for AC systems
    • H02H3/165—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 for AC systems for three-phase systems
    • 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
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/331—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers responsive to earthing of the neutral conductor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Rectifiers (AREA)
CN201880073674.0A 2017-11-15 2018-11-15 接地故障电流断续器电路 Active CN111344924B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762586307P 2017-11-15 2017-11-15
US62/586,307 2017-11-15
US16/131,739 US10951018B2 (en) 2017-11-15 2018-09-14 Ground fault current interrupter circuit
US16/131,739 2018-09-14
PCT/US2018/061235 WO2019099636A1 (en) 2017-11-15 2018-11-15 Ground fault current interrupter circuit

Publications (2)

Publication Number Publication Date
CN111344924A CN111344924A (zh) 2020-06-26
CN111344924B true CN111344924B (zh) 2022-06-17

Family

ID=66433623

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880073674.0A Active CN111344924B (zh) 2017-11-15 2018-11-15 接地故障电流断续器电路

Country Status (5)

Country Link
US (1) US10951018B2 (enExample)
EP (1) EP3711129A4 (enExample)
JP (1) JP7351052B2 (enExample)
CN (1) CN111344924B (enExample)
WO (1) WO2019099636A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4200950A4 (en) * 2020-08-19 2024-04-03 Belgravia Wood Limited ELECTRICAL SECURITY SYSTEM WITH TIMER

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101282078A (zh) * 2007-04-06 2008-10-08 电力集成公司 用于功率转换器故障状态检测的方法和装置
CN101752831A (zh) * 2009-12-25 2010-06-23 上海复旦微电子股份有限公司 电气开关装置及其漏电保护器
CN106159890A (zh) * 2015-04-27 2016-11-23 施耐德电器工业公司 漏电保护装置和漏电保护方法
CN106532636A (zh) * 2016-11-29 2017-03-22 快意电梯股份有限公司 抱闸电路自动检测电路及检测方法
CN106992493A (zh) * 2016-01-21 2017-07-28 上海复旦微电子集团股份有限公司 一种过载保护检测电路
WO2017155785A1 (en) * 2016-03-09 2017-09-14 Cooper Technologies Company Systems and methods for testing ground fault circuit interrupter breakers
US20170288390A1 (en) * 2016-04-01 2017-10-05 Rohm Co., Ltd. Electrical leakage detection circuit and electrical leakage breaker

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
EP0631369A1 (en) 1993-06-21 1994-12-28 STMicroelectronics S.r.l. Voltage multiplier for high output current with a stabilized output voltage
US5600524A (en) * 1995-05-04 1997-02-04 Leviton Manufacturing Co., Inc. Intelligent ground fault circuit interrupter
JP3267900B2 (ja) 1996-07-09 2002-03-25 富士電機株式会社 漏電遮断器
KR100449959B1 (ko) 1996-07-09 2004-12-08 후지 덴키 가부시끼가이샤 누전차단기
US5946173A (en) * 1997-06-16 1999-08-31 Pass Seymour, Inc. Ground fault circuit Interrupter with enhanced range
RU2169422C1 (ru) 2000-05-10 2001-06-20 Сакович Александр Аркадьевич Устройство защитного отключения комбинированное (варианты)
US8526143B2 (en) * 2009-05-14 2013-09-03 Siemens Industry, Inc. Methods and appraratus for ground fault circuit interrupt detection using a single transformer
US8390297B2 (en) * 2009-10-02 2013-03-05 Semiconductor Components Industries, Llc Ground fault circuit interrupter and method
US8907678B2 (en) 2010-12-10 2014-12-09 Raritan Americas, Inc. Methods and apparatus for sensing ground leakage and automated self testing thereof
US8582257B2 (en) * 2011-11-15 2013-11-12 Chris Love Ultra-low sensitivity ground fault circuit interrupter
US9071053B2 (en) * 2013-03-19 2015-06-30 Polygroup Macau Limited (Bvi) Electrical safety system with timer
JP2017046570A (ja) 2015-08-27 2017-03-02 ローム株式会社 過電流保護装置、電子機器、集積回路および信号伝達回路
JP6569489B2 (ja) 2015-11-16 2019-09-04 富士電機株式会社 漏電遮断器用半導体集積回路
JP6725104B2 (ja) 2016-04-04 2020-07-15 新日本無線株式会社 漏電検出装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101282078A (zh) * 2007-04-06 2008-10-08 电力集成公司 用于功率转换器故障状态检测的方法和装置
CN101752831A (zh) * 2009-12-25 2010-06-23 上海复旦微电子股份有限公司 电气开关装置及其漏电保护器
CN106159890A (zh) * 2015-04-27 2016-11-23 施耐德电器工业公司 漏电保护装置和漏电保护方法
CN106992493A (zh) * 2016-01-21 2017-07-28 上海复旦微电子集团股份有限公司 一种过载保护检测电路
WO2017155785A1 (en) * 2016-03-09 2017-09-14 Cooper Technologies Company Systems and methods for testing ground fault circuit interrupter breakers
US20170288390A1 (en) * 2016-04-01 2017-10-05 Rohm Co., Ltd. Electrical leakage detection circuit and electrical leakage breaker
CN106532636A (zh) * 2016-11-29 2017-03-22 快意电梯股份有限公司 抱闸电路自动检测电路及检测方法

Also Published As

Publication number Publication date
CN111344924A (zh) 2020-06-26
WO2019099636A1 (en) 2019-05-23
JP2021503166A (ja) 2021-02-04
EP3711129A4 (en) 2021-01-20
US20190148930A1 (en) 2019-05-16
JP7351052B2 (ja) 2023-09-27
EP3711129A1 (en) 2020-09-23
US10951018B2 (en) 2021-03-16

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