FR590219A - Perfectionnements aux relais sélecteurs de phase - Google Patents

Perfectionnements aux relais sélecteurs de phase

Info

Publication number
FR590219A
FR590219A FR590219DA FR590219A FR 590219 A FR590219 A FR 590219A FR 590219D A FR590219D A FR 590219DA FR 590219 A FR590219 A FR 590219A
Authority
FR
France
Prior art keywords
phase selector
selector relays
relays
phase
selector
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR590219A publication Critical patent/FR590219A/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
    • H02H3/353—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 involving comparison of phase voltages
FR590219D 1924-01-29 1924-11-14 Perfectionnements aux relais sélecteurs de phase Expired FR590219A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2358/24A GB218938A (en) 1924-01-29 1924-01-29 Improvements in and relating to a protective device for an alternating current system

Publications (1)

Publication Number Publication Date
FR590219A true FR590219A (fr) 1925-06-12

Family

ID=9738142

Family Applications (1)

Application Number Title Priority Date Filing Date
FR590219D Expired FR590219A (fr) 1924-01-29 1924-11-14 Perfectionnements aux relais sélecteurs de phase

Country Status (3)

Country Link
US (1) US1526027A (fr)
FR (1) FR590219A (fr)
GB (1) GB218938A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734109A (en) * 1956-02-07 Phase-sensitive switch
US2474290A (en) * 1943-10-26 1949-06-28 Int Standard Electric Corp Phase failure indicating device for polyphase systems
US2523148A (en) * 1945-05-07 1950-09-19 Westinghouse Electric Corp Phase balance protective relay system
US2689282A (en) * 1950-12-23 1954-09-14 Heinemann Electric Co Multipole circuit breaker

Also Published As

Publication number Publication date
US1526027A (en) 1925-02-10
GB218938A (en) 1924-07-17

Similar Documents

Publication Publication Date Title
FR590219A (fr) Perfectionnements aux relais sélecteurs de phase
FR553621A (fr) Perfectionnements apportés aux relais
FR600972A (fr) Perfectionnements aux relais à courant alternatif
FR616863A (fr) Perfectionnements aux commutateurs automatiques
FR605545A (fr) Perfectionnements apportés aux relais électriques
FR602161A (fr) Perfectionnements aux interrupteurs thermostatiques
FR588248A (fr) Perfectionnements apportés aux relais
FR590965A (fr) Perfectionnements aux commutateurs automatiques
FR626297A (fr) Perfectionnements apportés aux relais
FR568473A (fr) Perfectionnements aux relais automatiques
FR577177A (fr) Perfectionnements aux minuteries pneumo-mécaniques
FR595861A (fr) Relais temporisé
FR599567A (fr) Perfectionnements aux interrupteurs pour condensateurs
FR581709A (fr) Relais basculeur verrouillé
FR27202E (fr) Perfectionnements aux relais thermo-électroniques
FR692234A (fr) Perfectionnements aux relais électriques
FR30815E (fr) Perfectionnements aux circuits des commutateurs automatiques
FR600615A (fr) Perfectionnements aux relais télégraphiques
FR532008A (fr) Perfectionnements aux relais thermo-électroniques
FR567037A (fr) Perfectionnements aux relais électriques
FR640368A (fr) Perfectionnements aux relais électriques
FR637217A (fr) Perfectionnements aux relais électriques
FR587866A (fr) Perfectionnements aux commutateurs tournants
FR591493A (fr) Perfectionnements aux relais temporisés à retard variable
FR612645A (fr) Perfectionnements aux relais électriques