IT8323291A0 - Rele' ultrarapido perfezionato. - Google Patents

Rele' ultrarapido perfezionato.

Info

Publication number: IT8323291A0
Authority: IT; Italy
Prior art keywords: improved ultra; fast relay; relay; fast; ultra
Prior art date: 1982-10-22

Application number

IT8323291A

Other languages

English (en)

Other versions

IT8323291A1 (it

IT1171764B (it

Inventor

Allan M Bignell

Original Assignee

Westinghouse Canada Inc

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.)

1982-10-22

Filing date

1983-10-13

Publication date

1983-10-13

1983-10-13 Application filed by Westinghouse Canada Inc filed Critical Westinghouse Canada Inc

1983-10-13 Publication of IT8323291A0 publication Critical patent/IT8323291A0/it

1985-04-13 Publication of IT8323291A1 publication Critical patent/IT8323291A1/it

1987-06-10 Application granted granted Critical

1987-06-10 Publication of IT1171764B publication Critical patent/IT1171764B/it

Links

238000004353 relayed correlation spectroscopy Methods 0.000 title 1

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
- H02H7/265—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 making use of travelling wave theory

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Emergency Protection Circuit Devices (AREA)
Glass Compositions (AREA)
Vending Machines For Individual Products (AREA)
Valve-Gear Or Valve Arrangements (AREA)

IT23291/83A 1982-10-22 1983-10-13 Rele' ultrarapido perfezionato IT1171764B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/436,101 US4450497A (en)	1982-10-22	1982-10-22	Ultra-high-speed relay

Publications (3)

Publication Number	Publication Date
IT8323291A0 true IT8323291A0 (it)	1983-10-13
IT8323291A1 IT8323291A1 (it)	1985-04-13
IT1171764B IT1171764B (it)	1987-06-10

Family

ID=23731113

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT23291/83A IT1171764B (it)	1982-10-22	1983-10-13	Rele' ultrarapido perfezionato

Country Status (7)

Country	Link
US (1)	US4450497A (it)
JP (1)	JPS5996821A (it)
AU (1)	AU565161B2 (it)
BR (1)	BR8305770A (it)
CA (1)	CA1208348A (it)
ES (1)	ES8500518A1 (it)
IT (1)	IT1171764B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4841405A (en) *	1985-03-06	1989-06-20	Westinghouse Electric Corp.	Protective relaying apparatus for providing fault-resistance correction
US5216621A (en) *	1991-02-28	1993-06-01	Mehta Tech. Inc.	Line disturbance monitor and recorder system
DE19914773B4 (de) *	1999-03-31	2009-04-30	Aeg Niederspannungstechnik Gmbh & Co Kg	Lichtbogenlöschhilfe
US6694265B2 (en) *	2000-09-08	2004-02-17	Waters Investments Limited	Method and apparatus for determining the boundaries of a detector response profile and for controlling processes
JP3830824B2 (ja) *	2002-01-28	2006-10-11	株式会社東芝	ディジタル形方向継電器
US7460346B2 (en) *	2005-03-24	2008-12-02	Honeywell International Inc.	Arc fault detection and confirmation using voltage and current analysis
WO2009076991A1 (en) *	2007-12-14	2009-06-25	Abb Technology Ag	Fault direction determination
US8340931B2 (en) *	2009-10-05	2012-12-25	Mehta Tech, Inc.	Power grid with comparison of differences in remote phasor changes
WO2012010353A1 (en) *	2010-07-23	2012-01-26	Abb Technology Ag	Method and arrangement for capacitor bank protection
CN103728535B (zh) *	2013-10-28	2016-09-14	昆明理工大学	一种基于小波变换暂态能量谱的特高压直流输电线路故障测距方法
US10522995B2 (en) *	2016-06-13	2019-12-31	Schweitzer Engineering Laboratories, Inc.	Overcurrent element in time domain
CN111817273B (zh) *	2020-07-08	2022-06-03	国网福建省电力有限公司检修分公司	基于六序分量法特高压同杆并架双回线路接地故障继电保护方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3599044A (en) *	1970-04-30	1971-08-10	Fuji Electric Co Ltd	Superhigh-speed relaying system and apparatus for protection of power systems
US3700919A (en) *	1971-02-22	1972-10-24	Allis Chalmers Mfg Co	Phase shift detector
CH642491A5 (de) *	1978-08-29	1984-04-13	Bbc Brown Boveri & Cie	Verfahren und einrichtung zur fehlerdetektion an elektrischen leitungen.
US4371907A (en) *	1981-08-11	1983-02-01	Westinghouse Canada Inc.	Protective relay apparatus and methods for protecting electrical power transmission lines

1982
- 1982-10-22 US US06/436,101 patent/US4450497A/en not_active Expired - Fee Related
1983
- 1983-10-05 AU AU19912/83A patent/AU565161B2/en not_active Ceased
- 1983-10-12 CA CA000438788A patent/CA1208348A/en not_active Expired
- 1983-10-13 IT IT23291/83A patent/IT1171764B/it active
- 1983-10-19 BR BR8305770A patent/BR8305770A/pt unknown
- 1983-10-21 JP JP58196278A patent/JPS5996821A/ja active Granted
- 1983-10-21 ES ES526640A patent/ES8500518A1/es not_active Expired

Also Published As

Publication number	Publication date
ES526640A0 (es)	1984-10-01
JPH027248B2 (it)	1990-02-16
ES8500518A1 (es)	1984-10-01
US4450497A (en)	1984-05-22
JPS5996821A (ja)	1984-06-04
BR8305770A (pt)	1984-05-29
CA1208348A (en)	1986-07-22
AU1991283A (en)	1984-05-03
IT8323291A1 (it)	1985-04-13
IT1171764B (it)	1987-06-10
AU565161B2 (en)	1987-09-10

Publication	Publication Date	Title
MA19680A1 (fr)	1983-10-01	N- arylsulfonyl - n' - pyrimidinylurees.
IT7927087A0 (it)	1979-11-07	Rele' di protezione.
IT8323291A0 (it)	1983-10-13	Rele' ultrarapido perfezionato.
IT8519170A0 (it)	1985-01-21	Rele' fotovoltaico.
IT8323288A0 (it)	1983-10-13	Rele' elettromagnetico.
IT7927088A0 (it)	1979-11-07	Rele' di protezione.
IT8119112A0 (it)	1981-01-13	Rele' elettromagnetico.
IT8223624V0 (it)	1982-12-03	Rele' polarizzato.
MX9203211A (es)	1992-09-01	6'-alquilespectinomicinas.
IT8719792A0 (it)	1987-03-20	Rele'.
IT8221086A0 (it)	1982-05-05	Rele' elettromagnetico.
IT8521255A0 (it)	1985-06-21	Rele' elettromagnetico.
IT7924613A0 (it)	1979-07-24	Rele' elettromagnetico.
IT8521254A0 (it)	1985-06-21	Rele' elettromagnetico.
IT8521253A0 (it)	1985-06-21	Rele' elettromagnetico.
IT8021025A0 (it)	1980-03-28	Rele' elettromagnetico.
ES265310Y (es)	1983-06-16	"rele de arranque perfeccionado".
IT7920251A0 (it)	1979-02-16	Rele' polarizzato.
IT7924297A0 (it)	1979-07-11	Rele' elettromagnetico.
IT8321525A0 (it)	1983-06-08	Rele' miniatura elettromagnetico.
IT8222939A0 (it)	1982-08-23	Rele' polarizzato.
ES267636Y (es)	1984-11-01	"lustrador".
ES264864Y (es)	1983-05-16	"pesacartas".
ES265225Y (es)	1983-06-01	"nuevo rele".
ES511137A0 (es)	1983-03-01	"rele electromagnetico".