BR7807900A - Dispositivo de seguranca de emergencia portatil - Google Patents
Dispositivo de seguranca de emergencia portatilInfo
- Publication number
- BR7807900A BR7807900A BR7807900A BR7807900A BR7807900A BR 7807900 A BR7807900 A BR 7807900A BR 7807900 A BR7807900 A BR 7807900A BR 7807900 A BR7807900 A BR 7807900A BR 7807900 A BR7807900 A BR 7807900A
- Authority
- BR
- Brazil
- Prior art keywords
- safety device
- emergency safety
- portable emergency
- portable
- safety
- Prior art date
Links
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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/334—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial imbalance for other protection or monitoring reasons or remote control
- H02H3/335—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial imbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
-
- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/334—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial imbalance for other protection or monitoring reasons or remote control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85899077A | 1977-12-09 | 1977-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7807900A true BR7807900A (pt) | 1979-07-31 |
Family
ID=25329694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7807900A BR7807900A (pt) | 1977-12-09 | 1978-11-30 | Dispositivo de seguranca de emergencia portatil |
Country Status (11)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2586137B1 (fr) * | 1985-08-06 | 1987-12-11 | Merlin Gerin | Telecommande d'ouverture d'un dispositif de protection differentielle, notamment d'un disjoncteur differentiel de branchement |
| EP0215969A1 (en) * | 1985-09-21 | 1987-04-01 | MOTORI ELETTRICI ROTOS S.p.A | A ciruit arrangement for sensing, transmitting, and processing information of the occurrence of a variation in a parameter of AC electric equipment to be monitored |
| IL97694A0 (en) * | 1991-03-27 | 1992-06-21 | Amit Electronics & Engineering | Device and method for gfci time response and ground test |
| US5396505A (en) * | 1993-07-06 | 1995-03-07 | Tandem Computers Incorporated | Programmable error-checking matrix for digital communication system |
| ES2233185B1 (es) * | 2003-07-18 | 2006-02-16 | Emilio Haba Armero | Dispositivo para verificacion de interruptores diferenciales en una instalacion de baja tension. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT308225B (de) * | 1968-11-15 | 1973-06-25 | Felten & Guilleaume Schaltanl | Schutzschaltung für an geerdete Netze angeschlossene ortsveränderliche Verbrauchsgeräte |
| GB1337806A (en) * | 1971-07-07 | 1973-11-21 | Mcmillan R D | Socket testers |
| JPS562311Y2 (enrdf_load_stackoverflow) * | 1972-02-24 | 1981-01-19 | ||
| JPS5018071B2 (enrdf_load_stackoverflow) * | 1972-03-28 | 1975-06-26 | ||
| US3898557A (en) * | 1973-11-12 | 1975-08-05 | Daltec Systems Inc | Electrical device for testing a ground fault circuit interrupter |
-
1978
- 1978-10-18 CA CA313,708A patent/CA1127747A/en not_active Expired
- 1978-11-27 ZA ZA00786652A patent/ZA786652B/xx unknown
- 1978-11-28 PH PH21857A patent/PH20495A/en unknown
- 1978-11-30 BR BR7807900A patent/BR7807900A/pt unknown
- 1978-12-05 AU AU42219/78A patent/AU533221B2/en not_active Expired
- 1978-12-06 FR FR7834379A patent/FR2411497A1/fr not_active Withdrawn
- 1978-12-07 ES ES475803A patent/ES475803A1/es not_active Expired
- 1978-12-07 GB GB7847561A patent/GB2010496B/en not_active Expired
- 1978-12-07 IT IT41680/78A patent/IT1107373B/it active
- 1978-12-08 JP JP15118478A patent/JPS5487833A/ja active Pending
- 1978-12-08 BE BE192229A patent/BE872643A/xx not_active IP Right Cessation
-
1982
- 1982-02-17 JP JP1982020028U patent/JPS6145696Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6145696Y2 (enrdf_load_stackoverflow) | 1986-12-23 |
| ZA786652B (en) | 1979-11-28 |
| CA1127747A (en) | 1982-07-13 |
| ES475803A1 (es) | 1979-12-01 |
| BE872643A (fr) | 1979-06-08 |
| FR2411497A1 (fr) | 1979-07-06 |
| GB2010496A (en) | 1979-06-27 |
| IT1107373B (it) | 1985-11-25 |
| GB2010496B (en) | 1982-03-24 |
| AU4221978A (en) | 1979-06-14 |
| PH20495A (en) | 1987-01-21 |
| IT7841680A0 (it) | 1978-12-07 |
| AU533221B2 (en) | 1983-11-10 |
| JPS57175542U (enrdf_load_stackoverflow) | 1982-11-06 |
| JPS5487833A (en) | 1979-07-12 |
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