SE7910486L - Overstromsreleanordning - Google Patents

Overstromsreleanordning

Info

Publication number: SE7910486L
Authority: SE; Sweden
Prior art keywords: digital; value; pick; multiples; monitored
Prior art date: 1978-12-20

Application number

SE7910486A

Other languages

Unknown language ( )

English (en)

Swedish (sv)

Inventor

R P Depuy

Jr A H Leitten

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.)

1978-12-20

Filing date

1979-12-19

Publication date

1980-06-21

1978-12-20 Priority claimed from US05/971,313 external-priority patent/US4219860A/en

1978-12-20 Priority claimed from US05/971,312 external-priority patent/US4219858A/en

1979-12-19 Application filed by Gen Electric filed Critical Gen Electric

1980-06-21 Publication of SE7910486L publication Critical patent/SE7910486L/

Links

238000006243 chemical reaction Methods 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
238000005070 sampling Methods 0.000 abstract 1

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
- H02H3/08—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
- H02H3/093—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 with timing means
- H02H3/0935—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 with timing means the timing being determined by numerical means

Landscapes

Measurement Of Current Or Voltage (AREA)
Emergency Protection Circuit Devices (AREA)

SE7910486A 1978-12-20 1979-12-19 Overstromsreleanordning SE7910486L (sv)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/971,313 US4219860A (en)	1978-12-20	1978-12-20	Overcurrent relay apparatus
US05/971,312 US4219858A (en)	1978-12-20	1978-12-20	Overcurrent relay apparatus

Publications (1)

Publication Number	Publication Date
SE7910486L true SE7910486L (sv)	1980-06-21

Family

ID=27130545

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7910486A SE7910486L (sv)	1978-12-20	1979-12-19	Overstromsreleanordning

Country Status (8)

Country	Link
BR (1)	BR7908424A (it)
DE (1)	DE2950031A1 (it)
ES (1)	ES8101813A1 (it)
FR (1)	FR2445051A1 (it)
GB (1)	GB2037104B (it)
IT (1)	IT1126491B (it)
MX (1)	MX148544A (it)
SE (1)	SE7910486L (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2081994B (en) *	1980-08-11	1983-04-07	South Eastern Elec Board	Pulse sampled e l c b
JPS58172928A (ja) *	1982-04-01	1983-10-11	株式会社大隈鐵工所	モ−タの監視装置
DE3311240A1 (de) *	1982-04-05	1983-10-13	Siemens-Allis, Inc., 30338 Atlanta, Ga.	Ueberwachungsgeraet mit schaltvorrichtung
FR2538908A1 (fr) *	1982-12-30	1984-07-06	Petercem Sa	Procede de mesure en courant alternatif de l'intensite par rapport a l'intensite nominale, et circuit electronique correspondant
US4553187A (en) *	1983-09-14	1985-11-12	Allen-Bradley Company	Overcurrent detection device
US4589052A (en) *	1984-07-17	1986-05-13	General Electric Company	Digital I2 T pickup, time bands and timing control circuits for static trip circuit breakers
DE3519262A1 (de) *	1985-05-24	1986-11-27	Siemens AG, 1000 Berlin und 8000 München	Verfahren zum erzeugen eines ausloesesignals in abhaengigkeit von der groesse und der dauer eines ueberstromes
DE3522738A1 (de) *	1985-06-21	1987-01-02	Siemens Ag	Verfahren zum erzeugen eines ausloesesignals in abhaengigkeit von der groesse und der dauer eines ueberstromes
DE3522739A1 (de) *	1985-06-21	1987-01-02	Siemens Ag	Verfahren zum erzeugen eines ausloesesignals in abhaengigkeit von der groesse und der dauer eines ueberstromes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4017766A (en) *	1975-08-04	1977-04-12	Westinghouse Electric Corporation	Inverse time-overcurrent relay using successive linear approximations

1979
- 1979-12-07 IT IT27881/79A patent/IT1126491B/it active
- 1979-12-11 MX MX180452A patent/MX148544A/es unknown
- 1979-12-13 DE DE19792950031 patent/DE2950031A1/de not_active Withdrawn
- 1979-12-14 GB GB7943206A patent/GB2037104B/en not_active Expired
- 1979-12-19 SE SE7910486A patent/SE7910486L/ not_active Application Discontinuation
- 1979-12-19 BR BR7908424A patent/BR7908424A/pt unknown
- 1979-12-20 FR FR7931224A patent/FR2445051A1/fr active Granted
- 1979-12-20 ES ES487161A patent/ES8101813A1/es not_active Expired

Also Published As

Publication number	Publication date
FR2445051B1 (it)	1984-12-07
GB2037104A (en)	1980-07-02
FR2445051A1 (fr)	1980-07-18
MX148544A (es)	1983-05-03
DE2950031A1 (de)	1980-07-10
IT1126491B (it)	1986-05-21
ES487161A0 (es)	1980-12-16
BR7908424A (pt)	1980-09-23
GB2037104B (en)	1982-10-27
ES8101813A1 (es)	1980-12-16
IT7927881A0 (it)	1979-12-07

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Legal Events

Date	Code	Title	Description
1995-02-28	NAV	Patent application has lapsed	Ref document number: 7910486-5