FR2212667A1 - - Google Patents

Info

Publication number
FR2212667A1
FR2212667A1 FR7336271A FR7336271A FR2212667A1 FR 2212667 A1 FR2212667 A1 FR 2212667A1 FR 7336271 A FR7336271 A FR 7336271A FR 7336271 A FR7336271 A FR 7336271A FR 2212667 A1 FR2212667 A1 FR 2212667A1
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Withdrawn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
FR7336271A
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
General Electric Canada Co
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 Canadian General Electric Co Ltd, General Electric Canada Co filed Critical Canadian General Electric Co Ltd
Publication of FR2212667A1 publication Critical patent/FR2212667A1/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Withdrawn legal-status Critical Current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
    • H02H3/34—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
FR7336271A 1972-12-28 1973-10-10 Withdrawn FR2212667A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA160,071A CA960754A (en) 1972-12-28 1972-12-28 Circuit for detecting phase unbalance in a three phase supply

Publications (1)

Publication Number Publication Date
FR2212667A1 true FR2212667A1 (en) 1974-07-26

Family

ID=4095401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336271A Withdrawn FR2212667A1 (en) 1972-12-28 1973-10-10

Country Status (5)

Country Link
JP (1) JPS4997248A (en)
CA (1) CA960754A (en)
DE (1) DE2351159A1 (en)
FR (1) FR2212667A1 (en)
GB (1) GB1450694A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004037A2 (en) * 1978-03-08 1979-09-19 Siemens Aktiengesellschaft Method and apparatus for measuring electric currents or tensions in a plurality of current or voltage circuits
FR2696592A1 (en) * 1992-10-05 1994-04-08 Merlin Gerin Electronic trip device with earth protection.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH632108A5 (en) * 1978-07-14 1982-09-15 Sprecher & Schuh Ag Electrical circuit for simulating the thermal behaviour of a three-phase electrical apparatus or machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004037A2 (en) * 1978-03-08 1979-09-19 Siemens Aktiengesellschaft Method and apparatus for measuring electric currents or tensions in a plurality of current or voltage circuits
EP0004037A3 (en) * 1978-03-08 1979-10-03 Siemens Aktiengesellschaft Berlin Und Munchen Method and apparatus for measuring electric currents and/or tensions in a plurality of current or voltage circuits
FR2696592A1 (en) * 1992-10-05 1994-04-08 Merlin Gerin Electronic trip device with earth protection.
EP0592337A1 (en) * 1992-10-05 1994-04-13 Schneider Electric Sa Electronic trip device comprising earth protection
US5436785A (en) * 1992-10-05 1995-07-25 Merlin Gerin Electronic trip device comprising an earth protection

Also Published As

Publication number Publication date
JPS4997248A (en) 1974-09-13
CA960754A (en) 1975-01-07
GB1450694A (en) 1976-09-22
DE2351159A1 (en) 1974-07-11

Similar Documents

Publication Publication Date Title
JPS543573B2 (en)
FR2209825B1 (en)
FR2209787A1 (en)
JPS5347346B2 (en)
JPS4997248A (en)
JPS4921884A (en)
FR2171865B1 (en)
JPS514264Y2 (en)
JPS522033Y2 (en)
JPS494045A (en)
JPS4927163A (en)
JPS4980816A (en)
JPS4890704U (en)
JPS4882835U (en)
CH561580A5 (en)
CH545876A (en)
CH559581A5 (en)
CH567944A5 (en)
CH560356A5 (en)
CH561027A5 (en)
CH567212A5 (en)
CH563177A5 (en)
BG18529A1 (en)
CH559524A5 (en)
CH563736A5 (en)

Legal Events

Date Code Title Description
ST Notification of lapse