FR1535185A - Electric protection relay - Google Patents

Electric protection relay

Info

Publication number
FR1535185A
FR1535185A FR119039A FR119039A FR1535185A FR 1535185 A FR1535185 A FR 1535185A FR 119039 A FR119039 A FR 119039A FR 119039 A FR119039 A FR 119039A FR 1535185 A FR1535185 A FR 1535185A
Authority
FR
France
Prior art keywords
protection relay
electric protection
electric
relay
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
Application number
FR119039A
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.)
English Electric Co Ltd
Original Assignee
English Electric 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 claimed from GB38791/66A external-priority patent/GB1172536A/en
Application filed by English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to FR119039A priority Critical patent/FR1535185A/en
Application granted granted Critical
Publication of FR1535185A publication Critical patent/FR1535185A/en
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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
FR119039A 1966-08-31 1967-08-25 Electric protection relay Expired FR1535185A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR119039A FR1535185A (en) 1966-08-31 1967-08-25 Electric protection relay

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB38791/66A GB1172536A (en) 1966-08-31 1966-08-31 Improvements in Electrical Protective Relays
FR119039A FR1535185A (en) 1966-08-31 1967-08-25 Electric protection relay

Publications (1)

Publication Number Publication Date
FR1535185A true FR1535185A (en) 1968-08-02

Family

ID=26179079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR119039A Expired FR1535185A (en) 1966-08-31 1967-08-25 Electric protection relay

Country Status (1)

Country Link
FR (1) FR1535185A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2304201A1 (en) * 1975-03-10 1976-10-08 Branson Ultrasonics Corp OVERLOAD PROTECTION CIRCUIT FOR TRANSISTOR OSCILLATOR

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2304201A1 (en) * 1975-03-10 1976-10-08 Branson Ultrasonics Corp OVERLOAD PROTECTION CIRCUIT FOR TRANSISTOR OSCILLATOR

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