FR1320791A - Perfectionnements aux relais différentiels de sécurité - Google Patents

Perfectionnements aux relais différentiels de sécurité

Info

Publication number
FR1320791A
FR1320791A FR885998A FR885998A FR1320791A FR 1320791 A FR1320791 A FR 1320791A FR 885998 A FR885998 A FR 885998A FR 885998 A FR885998 A FR 885998A FR 1320791 A FR1320791 A FR 1320791A
Authority
FR
France
Prior art keywords
safety relays
differential safety
differential
relays
safety
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
FR885998A
Other languages
English (en)
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.)
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
Priority to BE627217D priority Critical patent/BE627217A/xx
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR885998A priority patent/FR1320791A/fr
Application granted granted Critical
Publication of FR1320791A publication Critical patent/FR1320791A/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
    • H02H3/33—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/36—Relay coil or coils forming part of a bridge circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR885998A 1962-01-26 1962-01-26 Perfectionnements aux relais différentiels de sécurité Expired FR1320791A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE627217D BE627217A (US07122603-20061017-C00294.png) 1962-01-26
FR885998A FR1320791A (fr) 1962-01-26 1962-01-26 Perfectionnements aux relais différentiels de sécurité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR885998A FR1320791A (fr) 1962-01-26 1962-01-26 Perfectionnements aux relais différentiels de sécurité

Publications (1)

Publication Number Publication Date
FR1320791A true FR1320791A (fr) 1963-03-15

Family

ID=8771289

Family Applications (1)

Application Number Title Priority Date Filing Date
FR885998A Expired FR1320791A (fr) 1962-01-26 1962-01-26 Perfectionnements aux relais différentiels de sécurité

Country Status (2)

Country Link
BE (1) BE627217A (US07122603-20061017-C00294.png)
FR (1) FR1320791A (US07122603-20061017-C00294.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426973A1 (fr) * 1978-05-23 1979-12-21 Laprom Corp Nv Disjoncteur de courant de fuite
EP0311649A1 (en) * 1987-01-30 1989-04-19 Square D Co REPORTED MODULE FOR SHORT-CIRCUIT DETECTION AT GROUND.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426973A1 (fr) * 1978-05-23 1979-12-21 Laprom Corp Nv Disjoncteur de courant de fuite
EP0311649A1 (en) * 1987-01-30 1989-04-19 Square D Co REPORTED MODULE FOR SHORT-CIRCUIT DETECTION AT GROUND.
EP0311649A4 (en) * 1987-01-30 1990-09-05 Square D Company Add-on ground fault module

Also Published As

Publication number Publication date
BE627217A (US07122603-20061017-C00294.png)

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