GB2527179B - Residual current protection device - Google Patents

Residual current protection device Download PDF

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Publication number
GB2527179B
GB2527179B GB1505324.2A GB201505324A GB2527179B GB 2527179 B GB2527179 B GB 2527179B GB 201505324 A GB201505324 A GB 201505324A GB 2527179 B GB2527179 B GB 2527179B
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
GB1505324.2A
Other versions
GB201505324D0 (en
GB2527179A (en
Inventor
Mary Martel Jean
Qi Xu Shou
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 GB201505324D0 publication Critical patent/GB201505324D0/en
Publication of GB2527179A publication Critical patent/GB2527179A/en
Application granted granted Critical
Publication of GB2527179B publication Critical patent/GB2527179B/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
    • 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
    • H02H3/325—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 involving voltage comparison
    • 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
    • H02H3/338—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 also responsive to wiring error, e.g. loss of neutral, break
    • 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
    • H02H3/34—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 of a three-phase system
    • H02H3/347—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 of a three-phase system using summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB1505324.2A 2014-05-04 2015-03-27 Residual current protection device Active GB2527179B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420224086.1U CN203983940U (en) 2014-05-04 2014-05-04 Earth leakage protective device

Publications (3)

Publication Number Publication Date
GB201505324D0 GB201505324D0 (en) 2015-05-13
GB2527179A GB2527179A (en) 2015-12-16
GB2527179B true GB2527179B (en) 2021-02-10

Family

ID=51981356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1505324.2A Active GB2527179B (en) 2014-05-04 2015-03-27 Residual current protection device

Country Status (2)

Country Link
CN (1) CN203983940U (en)
GB (1) GB2527179B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154450A1 (en) * 1984-02-23 1985-09-11 Delta Electrical (Holdings) Limited Earth leakage protective circuit
GB2178916A (en) * 1985-06-22 1987-02-18 Ashley Accessories Ltd Detecting abnormal neutral line
GB2201055A (en) * 1984-07-30 1988-08-17 Technology Res Corp Ground fault current interrupter circuit with additional protection
GB2244398A (en) * 1990-05-25 1991-11-27 Mk Electric Ltd Test circuit for residual current device
GB2268011A (en) * 1992-06-18 1993-12-22 Shakira Ltd Residual current device
GB2277646A (en) * 1993-04-27 1994-11-02 Shakira Ltd Mains neutral fault detector
GB2518733A (en) * 2013-09-05 2015-04-01 Siemens Ag Neutral line breakage detection circuit, method and corresponding residual current circuit breaker

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154450A1 (en) * 1984-02-23 1985-09-11 Delta Electrical (Holdings) Limited Earth leakage protective circuit
GB2201055A (en) * 1984-07-30 1988-08-17 Technology Res Corp Ground fault current interrupter circuit with additional protection
GB2178916A (en) * 1985-06-22 1987-02-18 Ashley Accessories Ltd Detecting abnormal neutral line
GB2244398A (en) * 1990-05-25 1991-11-27 Mk Electric Ltd Test circuit for residual current device
GB2268011A (en) * 1992-06-18 1993-12-22 Shakira Ltd Residual current device
GB2277646A (en) * 1993-04-27 1994-11-02 Shakira Ltd Mains neutral fault detector
GB2518733A (en) * 2013-09-05 2015-04-01 Siemens Ag Neutral line breakage detection circuit, method and corresponding residual current circuit breaker

Also Published As

Publication number Publication date
GB201505324D0 (en) 2015-05-13
GB2527179A (en) 2015-12-16
CN203983940U (en) 2014-12-03

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