GB374461A - Improvements in or relating to means for protecting sections of an electric line - Google Patents

Improvements in or relating to means for protecting sections of an electric line

Info

Publication number
GB374461A
GB374461A GB6913/31A GB691331A GB374461A GB 374461 A GB374461 A GB 374461A GB 6913/31 A GB6913/31 A GB 6913/31A GB 691331 A GB691331 A GB 691331A GB 374461 A GB374461 A GB 374461A
Authority
GB
United Kingdom
Prior art keywords
relay
relays
circuit
overload
contacts
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
GB6913/31A
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.)
Siemens Schuckertwerke AG
Siemens Corp
Original Assignee
Siemens Schuckertwerke AG
Siemens Corp
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 Siemens Schuckertwerke AG, Siemens Corp filed Critical Siemens Schuckertwerke AG
Publication of GB374461A publication Critical patent/GB374461A/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
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders

Landscapes

  • Emergency Protection Circuit Devices (AREA)
GB6913/31A 1930-03-07 1931-03-05 Improvements in or relating to means for protecting sections of an electric line Expired GB374461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE639936T 1930-03-07

Publications (1)

Publication Number Publication Date
GB374461A true GB374461A (en) 1932-06-06

Family

ID=34812938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6913/31A Expired GB374461A (en) 1930-03-07 1931-03-05 Improvements in or relating to means for protecting sections of an electric line

Country Status (5)

Country Link
BE (1) BE377942A (en(2012))
DE (1) DE639936C (en(2012))
FR (1) FR712669A (en(2012))
GB (1) GB374461A (en(2012))
NL (1) NL34613C (en(2012))

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749712C (de) * 1937-10-20 1944-12-02 Schutzeinrichtung fuer elektrische Anlagen

Also Published As

Publication number Publication date
DE639936C (de) 1936-12-17
NL34613C (en(2012))
BE377942A (en(2012))
FR712669A (fr) 1931-10-07

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