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FR2025082A1 - - Google Patents

Info

Publication number
FR2025082A1
FR2025082A1 FR6941456A FR6941456A FR2025082A1 FR 2025082 A1 FR2025082 A1 FR 2025082A1 FR 6941456 A FR6941456 A FR 6941456A FR 6941456 A FR6941456 A FR 6941456A FR 2025082 A1 FR2025082 A1 FR 2025082A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6941456A
Other languages
French (fr)
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.)
Weber AG
Original Assignee
Weber 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 Weber AG filed Critical Weber AG
Publication of FR2025082A1 publication Critical patent/FR2025082A1/fr
Withdrawn legal-status Critical Current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
    • H02H3/33—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
    • H02H3/332—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 with means responsive to dc component in the fault current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H01F38/32—Circuit arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
FR6941456A 1968-12-03 1969-12-02 Withdrawn FR2025082A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1800968A CH505391A (en) 1968-12-03 1968-12-03 Device for monitoring current differences in an electrical system

Publications (1)

Publication Number Publication Date
FR2025082A1 true FR2025082A1 (en) 1970-09-04

Family

ID=4429738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6941456A Withdrawn FR2025082A1 (en) 1968-12-03 1969-12-02

Country Status (5)

Country Link
BE (1) BE742555A (en)
CH (1) CH505391A (en)
DE (1) DE1960290A1 (en)
FR (1) FR2025082A1 (en)
NL (1) NL6918114A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339247A1 (en) * 1976-01-23 1977-08-19 Siemens Ag CIRCUIT BREAKER
EP0002225A1 (en) * 1977-11-28 1979-06-13 Nicolas Gath Earth-leak circuit breaker reacting upon earth leak AC, portions of earth leak DC, as well as smooth earth leak DC
FR2416580A1 (en) * 1978-02-02 1979-08-31 Felten & Guilleaume Carlswerk CONTINUOUS AND / OR ALTERNATIVE CURRENT LEAKAGE CURRENT PROTECTION CONNECTION
EP0016458A1 (en) * 1979-03-26 1980-10-01 Fuji Electric Co. Ltd. Earth fault circuit breaker responding also to direct fault currents
DK153612B (en) * 1975-08-11 1988-08-01 Saparel TROUBLESHOOTING PROTECTION CONNECTION FOR ELECTRICAL INSTALLATION

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK153612B (en) * 1975-08-11 1988-08-01 Saparel TROUBLESHOOTING PROTECTION CONNECTION FOR ELECTRICAL INSTALLATION
FR2339247A1 (en) * 1976-01-23 1977-08-19 Siemens Ag CIRCUIT BREAKER
EP0002225A1 (en) * 1977-11-28 1979-06-13 Nicolas Gath Earth-leak circuit breaker reacting upon earth leak AC, portions of earth leak DC, as well as smooth earth leak DC
FR2416580A1 (en) * 1978-02-02 1979-08-31 Felten & Guilleaume Carlswerk CONTINUOUS AND / OR ALTERNATIVE CURRENT LEAKAGE CURRENT PROTECTION CONNECTION
EP0016458A1 (en) * 1979-03-26 1980-10-01 Fuji Electric Co. Ltd. Earth fault circuit breaker responding also to direct fault currents

Also Published As

Publication number Publication date
BE742555A (en) 1970-05-14
NL6918114A (en) 1970-06-05
DE1960290A1 (en) 1970-06-18
CH505391A (en) 1971-03-31

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Legal Events

Date Code Title Description
ST Notification of lapse