GB2526908B - Residual current protection device - Google Patents

Residual current protection device Download PDF

Info

Publication number
GB2526908B
GB2526908B GB1505322.6A GB201505322A GB2526908B GB 2526908 B GB2526908 B GB 2526908B GB 201505322 A GB201505322 A GB 201505322A GB 2526908 B GB2526908 B GB 2526908B
Authority
GB
United Kingdom
Prior art keywords
protection device
residual current
current protection
residual
protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1505322.6A
Other versions
GB201505322D0 (en
GB2526908A (en
Inventor
Lei Liu Hua
mei wang Xiao
Yang Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB201505322D0 publication Critical patent/GB201505322D0/en
Publication of GB2526908A publication Critical patent/GB2526908A/en
Application granted granted Critical
Publication of GB2526908B publication Critical patent/GB2526908B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/06—Arrangements for supplying operative power
    • H02H1/063—Arrangements for supplying operative power primary power being supplied by fault current
    • H02H1/066—Arrangements for supplying operative power primary power being supplied by fault current and comprising a shunt regulator
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/06—Arrangements for supplying operative power
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)
GB1505322.6A 2014-04-30 2015-03-27 Residual current protection device Active GB2526908B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410183670.1A CN105098705B (en) 2014-04-30 2014-04-30 A kind of earth leakage protective device

Publications (3)

Publication Number Publication Date
GB201505322D0 GB201505322D0 (en) 2015-05-13
GB2526908A GB2526908A (en) 2015-12-09
GB2526908B true GB2526908B (en) 2021-02-10

Family

ID=53178263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1505322.6A Active GB2526908B (en) 2014-04-30 2015-03-27 Residual current protection device

Country Status (3)

Country Link
CN (1) CN105098705B (en)
AU (1) AU2015201523B2 (en)
GB (1) GB2526908B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106816863B (en) * 2017-03-14 2019-01-22 浙江大学 A kind of urgent ground protection circuit of bank base power supply for submarine observation network
CN113937729B (en) * 2020-06-29 2023-03-03 华为技术有限公司 Residual current protection device and distribution box
CN111864708A (en) * 2020-07-10 2020-10-30 上海宝宫实业有限公司 Surge-proof circuit for power supply protection
CN116505748A (en) * 2023-04-19 2023-07-28 上海军陶科技股份有限公司 Passive clamping structure, half-bridge circuit, flyback circuit and integrated MOS (metal oxide semiconductor) tube

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3917478C1 (en) * 1989-04-27 1990-10-04 Societe D'etudes Et De Realisations De Disjoncteurs "S.E.R.D.", Strassburg/Strasbourg, Fr Energy storage earth leakage protection switch - has summation current transformer with trip circuit connected across its sec. winding
WO1993021573A1 (en) * 1992-04-21 1993-10-28 M.K. Electric Limited Voltage reduction circuit
GB2390944A (en) * 2002-07-15 2004-01-21 Shakira Ltd Residual current device with capacitor recharging circuit
CN101034645A (en) * 2006-03-06 2007-09-12 三菱电机株式会社 Electric leakage breaker
CN201918692U (en) * 2010-12-10 2011-08-03 上海诺雅克电气有限公司 Power supply device for residual current protector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202424102U (en) * 2011-11-25 2012-09-05 中国科学院广州电子技术研究所 Short-circuit protecting circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3917478C1 (en) * 1989-04-27 1990-10-04 Societe D'etudes Et De Realisations De Disjoncteurs "S.E.R.D.", Strassburg/Strasbourg, Fr Energy storage earth leakage protection switch - has summation current transformer with trip circuit connected across its sec. winding
WO1993021573A1 (en) * 1992-04-21 1993-10-28 M.K. Electric Limited Voltage reduction circuit
GB2390944A (en) * 2002-07-15 2004-01-21 Shakira Ltd Residual current device with capacitor recharging circuit
CN101034645A (en) * 2006-03-06 2007-09-12 三菱电机株式会社 Electric leakage breaker
CN201918692U (en) * 2010-12-10 2011-08-03 上海诺雅克电气有限公司 Power supply device for residual current protector

Also Published As

Publication number Publication date
CN105098705B (en) 2018-06-12
AU2015201523B2 (en) 2019-08-01
AU2015201523A1 (en) 2015-11-19
GB201505322D0 (en) 2015-05-13
CN105098705A (en) 2015-11-25
GB2526908A (en) 2015-12-09

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