FR1449095A - Circuit pour détecter les variations d'un paramètre d'un circuit électrique - Google Patents

Circuit pour détecter les variations d'un paramètre d'un circuit électrique

Info

Publication number
FR1449095A
FR1449095A FR24053A FR24053A FR1449095A FR 1449095 A FR1449095 A FR 1449095A FR 24053 A FR24053 A FR 24053A FR 24053 A FR24053 A FR 24053A FR 1449095 A FR1449095 A FR 1449095A
Authority
FR
France
Prior art keywords
circuit
parameter
detecting variations
electrical circuit
electrical
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.)
Expired
Application number
FR24053A
Other languages
English (en)
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.)
Brush Electrical Engineering Co Ltd
Original Assignee
Brush Electrical Engineering Co Ltd
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
Priority to GB43552/62A priority Critical patent/GB1067864A/en
Application filed by Brush Electrical Engineering Co Ltd filed Critical Brush Electrical Engineering Co Ltd
Priority to FR24053A priority patent/FR1449095A/fr
Application granted granted Critical
Publication of FR1449095A publication Critical patent/FR1449095A/fr
Expired legal-status Critical Current

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
    • H02H3/34—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
    • 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
    • H02H3/02—Details
    • H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
    • 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
    • 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
    • H02H3/17—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 by means of an auxiliary voltage injected into the installation to be protected

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
FR24053A 1962-11-17 1965-07-09 Circuit pour détecter les variations d'un paramètre d'un circuit électrique Expired FR1449095A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB43552/62A GB1067864A (en) 1962-11-17 1962-11-17 Fail to safe earth leakage detector circuits
FR24053A FR1449095A (fr) 1962-11-17 1965-07-09 Circuit pour détecter les variations d'un paramètre d'un circuit électrique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB43552/62A GB1067864A (en) 1962-11-17 1962-11-17 Fail to safe earth leakage detector circuits
FR24053A FR1449095A (fr) 1962-11-17 1965-07-09 Circuit pour détecter les variations d'un paramètre d'un circuit électrique

Publications (1)

Publication Number Publication Date
FR1449095A true FR1449095A (fr) 1966-08-12

Family

ID=62242926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR24053A Expired FR1449095A (fr) 1962-11-17 1965-07-09 Circuit pour détecter les variations d'un paramètre d'un circuit électrique

Country Status (2)

Country Link
FR (1) FR1449095A (fr)
GB (1) GB1067864A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113071322B (zh) * 2021-04-08 2022-04-26 中车青岛四方机车车辆股份有限公司 一种交流漏电检测装置的控制方法、装置及轨道车辆

Also Published As

Publication number Publication date
GB1067864A (en) 1967-05-03

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