FR2622748B1 - CONTROL CIRCUIT FOR ELECTRICAL MAGNETOTHERMAL AND DIFFERENTIAL PROTECTION APPARATUS - Google Patents

CONTROL CIRCUIT FOR ELECTRICAL MAGNETOTHERMAL AND DIFFERENTIAL PROTECTION APPARATUS

Info

Publication number
FR2622748B1
FR2622748B1 FR8815119A FR8815119A FR2622748B1 FR 2622748 B1 FR2622748 B1 FR 2622748B1 FR 8815119 A FR8815119 A FR 8815119A FR 8815119 A FR8815119 A FR 8815119A FR 2622748 B1 FR2622748 B1 FR 2622748B1
Authority
FR
France
Prior art keywords
magnetothermal
electrical
control circuit
protection apparatus
differential 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.)
Expired - Lifetime
Application number
FR8815119A
Other languages
French (fr)
Other versions
FR2622748A1 (en
Inventor
Romano Ballada
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.)
Bassani SpA
Original Assignee
Bassani SpA
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 claimed from IT20840/87A external-priority patent/IT1205135B/en
Priority claimed from IT20837/87A external-priority patent/IT1204700B/en
Priority claimed from FR888807720A external-priority patent/FR2616600B1/en
Application filed by Bassani SpA filed Critical Bassani SpA
Publication of FR2622748A1 publication Critical patent/FR2622748A1/en
Application granted granted Critical
Publication of FR2622748B1 publication Critical patent/FR2622748B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
FR8815119A 1987-06-09 1988-11-21 CONTROL CIRCUIT FOR ELECTRICAL MAGNETOTHERMAL AND DIFFERENTIAL PROTECTION APPARATUS Expired - Lifetime FR2622748B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT20840/87A IT1205135B (en) 1987-06-09 1987-06-09 Electrical thermo-magnetic and differential protection system
IT20837/87A IT1204700B (en) 1987-06-09 1987-06-09 DIFFERENTIAL MAGNETOTHERMAL PROTECTION ELECTRICAL EQUIPMENT
FR888807720A FR2616600B1 (en) 1987-06-09 1988-06-09 ELECTRICAL MAGNETOTHERMAL AND DIFFERENTIAL PROTECTION APPARATUS

Publications (2)

Publication Number Publication Date
FR2622748A1 FR2622748A1 (en) 1989-05-05
FR2622748B1 true FR2622748B1 (en) 1993-02-05

Family

ID=27251643

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8815119A Expired - Lifetime FR2622748B1 (en) 1987-06-09 1988-11-21 CONTROL CIRCUIT FOR ELECTRICAL MAGNETOTHERMAL AND DIFFERENTIAL PROTECTION APPARATUS

Country Status (1)

Country Link
FR (1) FR2622748B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555302C3 (en) * 1975-12-09 1982-02-25 Brown, Boveri & Cie Ag, 6800 Mannheim Residual current protection circuit
FR2533081A1 (en) * 1982-09-15 1984-03-16 Equip Elect Cie Continenta Stand-alone protective device for multi-phase AC energy set.
FR2553943B1 (en) * 1983-10-24 1986-04-11 Merlin Gerin RESIDUAL DIFFERENTIAL DEVICE PROVIDED WITH A DEVICE FOR MONITORING THE ELECTRONIC POWER SOURCE

Also Published As

Publication number Publication date
FR2622748A1 (en) 1989-05-05

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