FR718845A - Systèmes de relais de protection - Google Patents

Systèmes de relais de protection

Info

Publication number
FR718845A
FR718845A FR718845DA FR718845A FR 718845 A FR718845 A FR 718845A FR 718845D A FR718845D A FR 718845DA FR 718845 A FR718845 A FR 718845A
Authority
FR
France
Prior art keywords
protection relay
relay systems
systems
protection
relay
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
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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing 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 Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR718845A publication Critical patent/FR718845A/fr
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
FR718845D 1930-06-19 1931-06-18 Systèmes de relais de protection Expired FR718845A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US462534A US1967110A (en) 1930-06-19 1930-06-19 Simultaneously tripping relaying system

Publications (1)

Publication Number Publication Date
FR718845A true FR718845A (fr) 1932-01-29

Family

ID=23836792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718845D Expired FR718845A (fr) 1930-06-19 1931-06-18 Systèmes de relais de protection

Country Status (4)

Country Link
US (2) US1967110A (fr)
DE (1) DE604217C (fr)
FR (1) FR718845A (fr)
GB (1) GB380808A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7400477B2 (en) 1998-08-24 2008-07-15 Leviton Manufacturing Co., Inc. Method of distribution of a circuit interrupting device with reset lockout and reverse wiring protection
US7372678B2 (en) * 2005-08-24 2008-05-13 Leviton Manufacturing Co., Inc. Circuit interrupting device with automatic test
US7852606B2 (en) * 2005-08-24 2010-12-14 Leviton Manufacturing Company, Inc. Self-testing circuit interrupting device
US7911746B2 (en) * 2006-06-01 2011-03-22 Leviton Manufacturing Co., Inc. GFCI with self-test and remote annunciation capabilities
WO2009097469A1 (fr) 2008-01-29 2009-08-06 Leviton Manufacturing Co., Inc. Appareil et procédé d'interrupteur de circuit détecteur de défaut à autocontrôle
US9759758B2 (en) 2014-04-25 2017-09-12 Leviton Manufacturing Co., Inc. Ground fault detector
CN115117862A (zh) * 2021-12-28 2022-09-27 保定钰鑫电气科技有限公司 一种三相电力系统相间短路的便捷处理方法

Also Published As

Publication number Publication date
GB380808A (en) 1932-09-19
DE604217C (de) 1934-10-16
US1967110A (en) 1934-07-17
USRE20319E (en) 1937-04-06

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