BR7908424A - OVERCURRENT RELAY APPLIANCE - Google Patents
OVERCURRENT RELAY APPLIANCEInfo
- Publication number
- BR7908424A BR7908424A BR7908424A BR7908424A BR7908424A BR 7908424 A BR7908424 A BR 7908424A BR 7908424 A BR7908424 A BR 7908424A BR 7908424 A BR7908424 A BR 7908424A BR 7908424 A BR7908424 A BR 7908424A
- Authority
- BR
- Brazil
- Prior art keywords
- overcurrent relay
- appliance
- relay appliance
- overcurrent
- relay
- Prior art date
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
- 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
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 |
---|---|
BR7908424A true BR7908424A (en) | 1980-09-23 |
Family
ID=27130545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7908424A BR7908424A (en) | 1978-12-20 | 1979-12-19 | OVERCURRENT RELAY APPLIANCE |
Country Status (8)
Country | Link |
---|---|
BR (1) | BR7908424A (en) |
DE (1) | DE2950031A1 (en) |
ES (1) | ES8101813A1 (en) |
FR (1) | FR2445051A1 (en) |
GB (1) | GB2037104B (en) |
IT (1) | IT1126491B (en) |
MX (1) | MX148544A (en) |
SE (1) | SE7910486L (en) |
Families Citing this family (9)
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 (en) * | 1982-04-01 | 1983-10-11 | 株式会社大隈鐵工所 | Device for monitoring motor |
DE3311240A1 (en) * | 1982-04-05 | 1983-10-13 | Siemens-Allis, Inc., 30338 Atlanta, Ga. | Monitoring apparatus with a switching device |
FR2538908A1 (en) * | 1982-12-30 | 1984-07-06 | Petercem Sa | METHOD FOR MEASURING ALTERNATING CURRENT IN RELATION TO THE NOMINAL INTENSITY, AND CORRESPONDING ELECTRONIC CIRCUIT |
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 (en) * | 1985-05-24 | 1986-11-27 | Siemens AG, 1000 Berlin und 8000 München | METHOD FOR GENERATING A TRIGGER SIGNAL DEPENDING ON THE SIZE AND DURATION OF AN OVERCURRENT |
DE3522738A1 (en) * | 1985-06-21 | 1987-01-02 | Siemens Ag | METHOD FOR GENERATING A TRIGGER SIGNAL DEPENDING ON THE SIZE AND DURATION OF AN OVERCURRENT |
DE3522739A1 (en) * | 1985-06-21 | 1987-01-02 | Siemens Ag | METHOD FOR GENERATING A TRIGGER SIGNAL DEPENDING ON THE SIZE AND DURATION OF AN OVERCURRENT |
Family Cites Families (1)
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/en active
- 1979-12-11 MX MX180452A patent/MX148544A/en unknown
- 1979-12-13 DE DE19792950031 patent/DE2950031A1/en not_active Withdrawn
- 1979-12-14 GB GB7943206A patent/GB2037104B/en not_active Expired
- 1979-12-19 SE SE7910486A patent/SE7910486L/en not_active Application Discontinuation
- 1979-12-19 BR BR7908424A patent/BR7908424A/en unknown
- 1979-12-20 FR FR7931224A patent/FR2445051A1/en active Granted
- 1979-12-20 ES ES487161A patent/ES8101813A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2950031A1 (en) | 1980-07-10 |
FR2445051B1 (en) | 1984-12-07 |
GB2037104B (en) | 1982-10-27 |
GB2037104A (en) | 1980-07-02 |
ES487161A0 (en) | 1980-12-16 |
IT7927881A0 (en) | 1979-12-07 |
FR2445051A1 (en) | 1980-07-18 |
ES8101813A1 (en) | 1980-12-16 |
MX148544A (en) | 1983-05-03 |
SE7910486L (en) | 1980-06-21 |
IT1126491B (en) | 1986-05-21 |
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