GB738129A - A protective arrangement particularly for coal face lighting systems - Google Patents

A protective arrangement particularly for coal face lighting systems

Info

Publication number
GB738129A
GB738129A GB27650/53A GB2765053A GB738129A GB 738129 A GB738129 A GB 738129A GB 27650/53 A GB27650/53 A GB 27650/53A GB 2765053 A GB2765053 A GB 2765053A GB 738129 A GB738129 A GB 738129A
Authority
GB
United Kingdom
Prior art keywords
relay
rectifier
event
contacts
circuit
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
GB27650/53A
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin 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 Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of GB738129A publication Critical patent/GB738129A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/005—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for remote controlled apparatus; for lines connecting such apparatus

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB27650/53A 1952-11-05 1953-10-08 A protective arrangement particularly for coal face lighting systems Expired GB738129A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR969354X 1952-11-05

Publications (1)

Publication Number Publication Date
GB738129A true GB738129A (en) 1955-10-05

Family

ID=9501906

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27650/53A Expired GB738129A (en) 1952-11-05 1953-10-08 A protective arrangement particularly for coal face lighting systems

Country Status (4)

Country Link
BE (1) BE523549A (de)
DE (1) DE969354C (de)
FR (1) FR1072380A (de)
GB (1) GB738129A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922925A (en) * 1957-03-13 1960-01-26 Gerrard Michael Cornelius Protective device for electrical circuits and apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069614A (en) * 1959-05-11 1962-12-18 Westinghouse Electric Corp Power supply apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922925A (en) * 1957-03-13 1960-01-26 Gerrard Michael Cornelius Protective device for electrical circuits and apparatus

Also Published As

Publication number Publication date
BE523549A (de)
DE969354C (de) 1958-05-22
FR1072380A (fr) 1954-09-13

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