SE7801049L - Skyddsrelekrets - Google Patents

Skyddsrelekrets

Info

Publication number: SE7801049L
Authority: SE; Sweden
Prior art keywords: protective release; protective; release
Prior art date: 1977-01-31

Application number

SE7801049A

Other languages

English (en)

Other versions

SE418556B (sv

Inventor

S B Wilkinson

Original Assignee

Gen Electric

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.)

1977-01-31

Filing date

1978-01-27

Publication date

1978-08-01

1978-01-27 Application filed by Gen Electric filed Critical Gen Electric

1978-08-01 Publication of SE7801049L publication Critical patent/SE7801049L/sv

1981-06-09 Publication of SE418556B publication Critical patent/SE418556B/sv

Classifications

- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
- H02H3/382—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/40—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to ratio of voltage and current

SE7801049A 1977-01-31 1978-01-27 Skyddsrelekrets SE418556B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/764,302 US4092690A (en)	1977-01-31	1977-01-31	Protective relay circuit providing a combined distance and overcurrent function

Publications (2)

Publication Number	Publication Date
SE7801049L true SE7801049L (sv)	1978-08-01
SE418556B SE418556B (sv)	1981-06-09

Family

ID=25070311

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7801049A SE418556B (sv)	1977-01-31	1978-01-27	Skyddsrelekrets

Country Status (10)

Country	Link
US (1)	US4092690A (sv)
JP (1)	JPS53109144A (sv)
BR (1)	BR7800662A (sv)
CH (1)	CH621215A5 (sv)
DE (1)	DE2803690A1 (sv)
FR (1)	FR2379182A1 (sv)
GB (1)	GB1594071A (sv)
MX (1)	MX145001A (sv)
SE (1)	SE418556B (sv)
ZA (1)	ZA777565B (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4342064A (en) *	1978-02-21	1982-07-27	General Electric Company	Static distance relays with improved polarizing signal
CH640675A5 (de) *	1978-06-01	1984-01-13	Bbc Brown Boveri & Cie	Verfahren und einrichtung zur fehlerrichtungsbestimmung bezueglich eines messortes an elektrischen leitungen.
US4255774A (en) *	1979-03-16	1981-03-10	General Electric Company	Static instantaneous overcurrent relay with low transient overreach
US4296451A (en) *	1979-10-11	1981-10-20	General Electric Company	Ultra high speed protective relay circuit
US4405966A (en) *	1981-10-07	1983-09-20	General Electric Company	System for providing protection for a high voltage transmission line
DE3626398A1 (de) *	1986-08-04	1988-02-11	Siemens Ag	Elektronischer ueberstromausloeser
US4736267A (en) *	1986-11-14	1988-04-05	Motorola, Inc.	Fault detection circuit
WO1995024014A2 (en) *	1994-02-28	1995-09-08	Abb Power T & D Company Inc.	One-terminal data fault location system
US6691051B2 (en) *	2001-08-14	2004-02-10	Tektronix, Inc.	Transient distance to fault measurement
JP2013120057A (ja) *	2011-12-06	2013-06-17	Mitsubishi Electric Corp	炉内核計装装置
CN103762564B (zh) *	2014-01-14	2016-10-19	昆明理工大学	一种带静止同步串联补偿器输电线路的暂态能量方向保护方法
JP2018046667A (ja)	2016-09-14	2018-03-22	株式会社東芝	充電パターン作成装置、充電制御装置、充電パターン作成方法、プログラム、及び蓄電システム
US10677834B2 (en)	2018-09-14	2020-06-09	Schweitzer Engineering Laboratories, Inc.	Distance protection of electric power delivery systems using time domain and frequency domain
CN112034305A (zh) *	2020-08-31	2020-12-04	国网福建省电力有限公司检修分公司	特高压交流输电线路单相接地电压电流比相故障测距方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US23430A (en) *		1859-03-29		Improvement in seeding-machines
DE892470C (de) *	1950-09-23	1953-10-08	Siemens Ag	Widerstandsabhaengiges Relais
US3277345A (en) *	1963-02-07	1966-10-04	Gen Electric	Static distance relay with reduced transient overreach
US3303390A (en) *	1963-06-07	1967-02-07	Westinghouse Electric Corp	Distance relaying
US3312865A (en) *	1963-10-21	1967-04-04	Westinghouse Electric Corp	Static reactance relay
US3374399A (en) *	1966-02-01	1968-03-19	Gen Electric	Distance protective relaying
GB1422346A (sv) *	1972-11-28	1976-01-28
CH559449A5 (sv) *	1973-05-30	1975-02-28	Bbc Brown Boveri & Cie
JPS5828811B2 (ja) *	1973-06-11	1983-06-18	三菱電機株式会社	位相比較継電装置
US4034269A (en) *	1975-12-12	1977-07-05	General Electric Company	Protective relay circuits

1977
- 1977-01-31 US US05/764,302 patent/US4092690A/en not_active Expired - Lifetime
- 1977-12-20 ZA ZA00777565A patent/ZA777565B/xx unknown
1978
- 1978-01-26 GB GB3244/78A patent/GB1594071A/en not_active Expired
- 1978-01-27 SE SE7801049A patent/SE418556B/sv not_active IP Right Cessation
- 1978-01-27 FR FR7802345A patent/FR2379182A1/fr active Granted
- 1978-01-28 DE DE19782803690 patent/DE2803690A1/de active Granted
- 1978-01-30 JP JP840478A patent/JPS53109144A/ja active Granted
- 1978-01-30 CH CH100578A patent/CH621215A5/de not_active IP Right Cessation
- 1978-01-30 MX MX172248A patent/MX145001A/es unknown
- 1978-01-31 BR BR7800662A patent/BR7800662A/pt unknown

Also Published As

Publication number	Publication date
MX145001A (es)	1981-12-11
DE2803690A1 (de)	1978-08-03
FR2379182A1 (fr)	1978-08-25
GB1594071A (en)	1981-07-30
CH621215A5 (sv)	1981-01-15
US4092690A (en)	1978-05-30
SE418556B (sv)	1981-06-09
JPS618657B2 (sv)	1986-03-15
DE2803690C2 (sv)	1991-03-14
JPS53109144A (en)	1978-09-22
ZA777565B (en)	1978-09-27
BR7800662A (pt)	1978-10-24
FR2379182B1 (sv)	1984-03-30

Publication	Publication Date	Title
SE7808567L (sv)	1979-02-16	Utgivningsanordning
DK253378A (da)	1978-12-09	Ostomiklaebestof
BE867380A (fr)	1978-11-23	Radarvolgstelsel
SE7810779L (sv)	1979-04-18	Skyddsforpackning
DK485978A (da)	1979-05-01	Sikkerhedslukke
FI782345A (fi)	1979-02-06	Kombinerat skrivdon
TR19960A (tr)	1980-05-16	Feniluereler
SE7801049L (sv)	1978-08-01	Skyddsrelekrets
SE7802693L (sv)	1978-09-11	Flamskyddsmedel
TR20072A (tr)	1980-07-08	Fungisid kombinasyon
IT1095496B (it)	1985-08-10	Mezzi anti-incendio
SE7805075L (sv)	1978-11-08	Skyddsanordning
AT362226B (de)	1981-04-27	Sichter
AT371502B (de)	1983-07-11	Schutzmanschette
AT366426B (de)	1982-04-13	Schuetzen
AT371977B (de)	1983-08-25	Schutzhelm
SE7801098L (sv)	1978-08-01	Brandskyddsmedel
AT372610B (de)	1983-10-25	Ausloesende schibingung
FI782365A (fi)	1979-02-02	Till haelften under vattnet liggande fartyg
FI781119A (fi)	1978-10-16	Stabiliseringssystem foer s k flytande fartyg
DK125778A (da)	1978-09-23	Fungcide midler
BE866582A (fr)	1978-08-14	Halogenoarylmalonamidooxacephalosporines
RO75502A (ro)	1980-11-30	Releu multiplu
BR7706538A (pt)	1979-04-24	Dispositivo protetor
SE7802837L (sv)	1978-09-15	Skyddskomposition

Legal Events

Date	Code	Title	Description
1995-01-31	NAL	Patent in force	Ref document number: 7801049-3 Format of ref document f/p: F
1995-10-09	NUG	Patent has lapsed	Ref document number: 7801049-3 Format of ref document f/p: F

Date

Code

Title

Description

1995-01-31

NAL

Patent in force

Ref document number: 7801049-3

Format of ref document f/p: F

1995-10-09

NUG

Patent has lapsed