NL7902867A - Aardfoutdetector. - Google Patents
Aardfoutdetector.Info
- Publication number
- NL7902867A NL7902867A NL7902867A NL7902867A NL7902867A NL 7902867 A NL7902867 A NL 7902867A NL 7902867 A NL7902867 A NL 7902867A NL 7902867 A NL7902867 A NL 7902867A NL 7902867 A NL7902867 A NL 7902867A
- Authority
- NL
- Netherlands
- Prior art keywords
- earth fault
- fault detector
- detector
- earth
- fault
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
- Electronic Switches (AREA)
- Power Conversion In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4296378A JPS54135331A (en) | 1978-04-11 | 1978-04-11 | Ground fault detector |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7902867A true NL7902867A (nl) | 1979-10-15 |
NL186481B NL186481B (nl) | 1990-07-02 |
NL186481C NL186481C (nl) | 1990-12-03 |
Family
ID=12650679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7902867,A NL186481C (nl) | 1978-04-11 | 1979-04-11 | Aardlekstroomonderbreker. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4234900A (nl) |
JP (1) | JPS54135331A (nl) |
DE (1) | DE2914593C2 (nl) |
FR (1) | FR2422961A1 (nl) |
GB (1) | GB2019139B (nl) |
NL (1) | NL186481C (nl) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3338820A1 (de) * | 1983-10-26 | 1985-05-15 | Robert Krups Stiftung & Co KG, 5650 Solingen | Elektrisches anschlussgeraet, wie steckdose, mit fehlerstromschalter fuer elektrische verbraucher |
US4947126A (en) * | 1989-04-04 | 1990-08-07 | Siemens Energy & Automation, Inc. | Ground fault current rectification and measuring circuit |
US5105325A (en) * | 1990-05-07 | 1992-04-14 | Daniel J. Bondy | Ground-safety controller |
US5195009A (en) * | 1991-08-27 | 1993-03-16 | Siemens Energy & Automation, Inc. | Current summing arrangement for ground fault detection |
US5229725A (en) * | 1992-04-07 | 1993-07-20 | Moore Products Co. | Electrical fault detector in remote systems using a saturable core |
FR2713345B1 (fr) * | 1993-12-03 | 1996-01-05 | Alcatel Cable | Dispositif de mesure d'énergie impulsionnelle. |
US5488306A (en) * | 1994-05-31 | 1996-01-30 | International Business Machines Corp. | Open and short fault detector for a differential interface |
SE515388C2 (sv) * | 1995-09-14 | 2001-07-23 | Abb Research Ltd | Anordning för avkänning av elektriska urladdningar i ett provobjekt |
US20020075161A1 (en) * | 2000-09-27 | 2002-06-20 | Raffel Mark J. | Universal remote control system |
KR102096481B1 (ko) * | 2019-04-16 | 2020-04-03 | 주식회사 써니아이씨 | 누설전류 검출용 반도체 집적회로 및 이 반도체 집적회로를 갖는 누전차단기 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA704647B (en) * | 1969-08-22 | 1971-03-31 | Hubbell Inc Harvey | Ground leakage relay circuit |
US3633070A (en) * | 1969-12-15 | 1972-01-04 | Louis J Vassos | Ground fault current interrupter |
US4216515A (en) * | 1973-03-28 | 1980-08-05 | Eaton Corporation | Ground fault interrupter |
US4037155A (en) * | 1974-04-15 | 1977-07-19 | Rca Corporation | Current-responsive threshold detection circuitry |
US3953767A (en) * | 1974-04-15 | 1976-04-27 | Rca Corporation | Ground fault detection apparatus |
US3953766A (en) * | 1974-09-16 | 1976-04-27 | General Electric Company | Ground fault circuit interrupter and electronic module therefor |
US4150411A (en) * | 1977-12-15 | 1979-04-17 | General Electric Company | Ground fault circuit interrupter utilizing a single transformer |
-
1978
- 1978-04-11 JP JP4296378A patent/JPS54135331A/ja active Granted
-
1979
- 1979-04-03 US US06/027,018 patent/US4234900A/en not_active Expired - Lifetime
- 1979-04-10 DE DE2914593A patent/DE2914593C2/de not_active Expired
- 1979-04-11 GB GB7912814A patent/GB2019139B/en not_active Expired
- 1979-04-11 NL NLAANVRAGE7902867,A patent/NL186481C/nl not_active IP Right Cessation
- 1979-04-11 FR FR7909198A patent/FR2422961A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2019139A (en) | 1979-10-24 |
NL186481C (nl) | 1990-12-03 |
FR2422961A1 (fr) | 1979-11-09 |
DE2914593A1 (de) | 1979-10-25 |
DE2914593C2 (de) | 1986-11-27 |
US4234900A (en) | 1980-11-18 |
NL186481B (nl) | 1990-07-02 |
JPS5633937B2 (nl) | 1981-08-06 |
GB2019139B (en) | 1982-07-07 |
JPS54135331A (en) | 1979-10-20 |
FR2422961B1 (nl) | 1983-10-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |
Free format text: 19990411 |