FR841228A - Dispositif de protection sélective à haute fréquence - Google Patents

Dispositif de protection sélective à haute fréquence

Info

Publication number: FR841228A
Authority: FR; France
Prior art keywords: high frequency; protection device; frequency selective; selective protection; selective
Prior art date: 1937-07-30
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

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.)

AEG AG

Original Assignee

Allgemeine Elektricitaets Gesellschaft

AEG 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.)

1937-07-30

Filing date

1938-07-26

Publication date

1939-05-15

1938-07-26 Application filed by Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft

1939-05-15 Application granted granted Critical

1939-05-15 Publication of FR841228A publication Critical patent/FR841228A/fr

Status Expired legal-status Critical Current

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

FR841228D 1937-07-30 1938-07-26 Dispositif de protection sélective à haute fréquence Expired FR841228A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE841228X		1937-07-30

Publications (1)

Publication Number	Publication Date
FR841228A true FR841228A (fr)	1939-05-15

Family

ID=6766096

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR841228D Expired FR841228A (fr)	1937-07-30	1938-07-26	Dispositif de protection sélective à haute fréquence

Country Status (2)

Country	Link
BE (1)	BE429386A (de)
FR (1)	FR841228A (de)

0
- BE BE429386D patent/BE429386A/xx unknown
1938
- 1938-07-26 FR FR841228D patent/FR841228A/fr not_active Expired

Also Published As

Publication number	Publication date
BE429386A (de)

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