FR712669A - Protection device for line sections by means of directional relays - Google Patents

Protection device for line sections by means of directional relays

Info

Publication number
FR712669A
FR712669A FR712669DA FR712669A FR 712669 A FR712669 A FR 712669A FR 712669D A FR712669D A FR 712669DA FR 712669 A FR712669 A FR 712669A
Authority
FR
France
Prior art keywords
protection device
line sections
directional relays
relays
directional
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
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.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens AG
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 AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR712669A publication Critical patent/FR712669A/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
FR712669D 1930-03-07 1931-03-05 Protection device for line sections by means of directional relays Expired FR712669A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR712669A true FR712669A (en) 1931-10-07

Family

ID=34812938

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712669D Expired FR712669A (en) 1930-03-07 1931-03-05 Protection device for line sections by means of directional relays

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749712C (en) * 1937-10-20 1944-12-02 Protective device for electrical systems

Also Published As

Publication number Publication date
DE639936C (en) 1936-12-17
BE377942A (en)
NL34613C (en)
GB374461A (en) 1932-06-06

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