JPS51116953A - Abnormal ground voltage protective device - Google Patents
Abnormal ground voltage protective deviceInfo
- Publication number
- JPS51116953A JPS51116953A JP51033057A JP3305776A JPS51116953A JP S51116953 A JPS51116953 A JP S51116953A JP 51033057 A JP51033057 A JP 51033057A JP 3305776 A JP3305776 A JP 3305776A JP S51116953 A JPS51116953 A JP S51116953A
- Authority
- JP
- Japan
- Prior art keywords
- protective device
- ground voltage
- voltage protective
- abnormal ground
- abnormal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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
- H02H3/16—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 fault current to earth, frame or mass
- H02H3/162—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 fault current to earth, frame or mass for ac systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Keying Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES436102A ES436102A1 (es) | 1975-03-26 | 1975-03-26 | Sistema de proteccion de tensiones peligrosas derivadas a masa. |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51116953A true JPS51116953A (en) | 1976-10-14 |
Family
ID=8468969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51033057A Pending JPS51116953A (en) | 1975-03-26 | 1976-03-25 | Abnormal ground voltage protective device |
Country Status (10)
Country | Link |
---|---|
US (1) | US4077056A (ja) |
JP (1) | JPS51116953A (ja) |
BE (1) | BE840079A (ja) |
BR (1) | BR7601720A (ja) |
DE (1) | DE2612759A1 (ja) |
DK (1) | DK132376A (ja) |
ES (1) | ES436102A1 (ja) |
FR (1) | FR2305877A1 (ja) |
NL (1) | NL7602183A (ja) |
SE (1) | SE7603021L (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2017917A1 (en) * | 1990-05-30 | 1991-11-30 | Carl Nachtigall | Ground fault electrical panel |
US5161240A (en) * | 1990-10-26 | 1992-11-03 | Johnson Ken C | Electric wall switch with ground fault protection |
GR1002804B (el) * | 1996-11-25 | 1997-11-10 | Διαταξη ελεγχου γειωσεως μονιμως προσγειωμενων ηλεκτρικων μηχανων. | |
US5835322A (en) * | 1997-07-07 | 1998-11-10 | Donald E. Smith | Ground fault interrupt circuit apparatus for 400-Hz aircraft electrical systems |
GR1003067B (el) * | 1997-12-23 | 1999-02-04 | Διαταξη ελεγχου γειωσεως ηλεκτρικων εγκαταστασεων και μη μονιμως προσγειωμενων ηλεκτρικων συσκευων | |
US6266219B1 (en) * | 1998-06-02 | 2001-07-24 | Pass & Seymour, Inc. | Combination ground fault and arc fault circuit interrupter |
US5937682A (en) * | 1998-08-28 | 1999-08-17 | Ford Motor Company | Fail-safe fin mill machine wrap-up detector |
US7336457B2 (en) * | 2005-08-08 | 2008-02-26 | Hubbell Incorporated | Ground fault circuit interrupter (GFCI) end-of-life (EOL) status indicator |
US7928609B2 (en) * | 2006-10-03 | 2011-04-19 | International Safety & Development, Llc | Shock-proof electrical outlet |
US8136890B2 (en) * | 2008-04-02 | 2012-03-20 | International Safety & Development, Llc | Shock proof devices and methods |
US8749928B2 (en) * | 2009-12-23 | 2014-06-10 | Goodrich Corporation | Aircraft electrical appliance |
WO2015134916A1 (en) | 2014-03-07 | 2015-09-11 | International Safety Holdings, LLC | Systems and methods for modular shock proof electrical outlets |
WO2016037667A1 (en) * | 2014-09-12 | 2016-03-17 | Otis Elevator Company | Ground fault detector and method for detecting ground faults |
US10158221B2 (en) * | 2014-10-29 | 2018-12-18 | Eaton Intelligent Power Limited | Vehicle or marina power pedestal including ground fault indicator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE535213A (ja) * | ||||
US2660717A (en) * | 1949-12-22 | 1953-11-24 | Herman A Hood | Electrical ground detector |
US2622139A (en) * | 1950-05-31 | 1952-12-16 | Westinghouse Air Brake Co | Ground detecting apparatus |
US2881361A (en) * | 1956-11-01 | 1959-04-07 | Goodman Mfg Co | Ground protection device |
US3483431A (en) * | 1967-02-02 | 1969-12-09 | Westinghouse Air Brake Co | Counting and limiting type of resettable ground detection system for detecting electrical ground conditions |
US3676738A (en) * | 1970-03-24 | 1972-07-11 | Atomic Energy Authority Uk | Safety device for preventing electric shock |
-
1975
- 1975-03-26 ES ES436102A patent/ES436102A1/es not_active Expired
-
1976
- 1976-03-03 NL NL7602183A patent/NL7602183A/xx unknown
- 1976-03-04 SE SE7603021A patent/SE7603021L/xx unknown
- 1976-03-18 FR FR7607810A patent/FR2305877A1/fr not_active Withdrawn
- 1976-03-19 BR BR7601720A patent/BR7601720A/pt unknown
- 1976-03-24 US US05/669,987 patent/US4077056A/en not_active Expired - Lifetime
- 1976-03-25 JP JP51033057A patent/JPS51116953A/ja active Pending
- 1976-03-25 DK DK132376A patent/DK132376A/da not_active Application Discontinuation
- 1976-03-25 DE DE19762612759 patent/DE2612759A1/de active Pending
- 1976-03-26 BE BE165598A patent/BE840079A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES436102A1 (es) | 1977-04-01 |
US4077056A (en) | 1978-02-28 |
SE7603021L (sv) | 1976-09-27 |
DE2612759A1 (de) | 1976-10-07 |
FR2305877A1 (fr) | 1976-10-22 |
BE840079A (fr) | 1976-07-16 |
NL7602183A (nl) | 1976-09-28 |
BR7601720A (pt) | 1976-09-28 |
DK132376A (da) | 1976-09-27 |
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