NL256426A - - Google Patents
Info
- Publication number
- NL256426A NL256426A NL256426DA NL256426A NL 256426 A NL256426 A NL 256426A NL 256426D A NL256426D A NL 256426DA NL 256426 A NL256426 A NL 256426A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
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- 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
- H02H3/167—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 combined with other earth-fault protective arrangements
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- 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)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR806618A FR1246800A (en) | 1959-10-02 | 1959-10-02 | Safety switch for protection against electric leakage currents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL256426A true NL256426A (en) |
Family
ID=8719765
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL256426D NL256426A (en) | 1959-10-02 | ||
| NL110540D NL110540C (en) | 1959-10-02 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL110540D NL110540C (en) | 1959-10-02 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3214638A (en) |
| BE (1) | BE595274A (en) |
| CH (1) | CH366588A (en) |
| DE (1) | DE1140634B (en) |
| ES (1) | ES261758A1 (en) |
| FR (1) | FR1246800A (en) |
| GB (1) | GB962658A (en) |
| NL (2) | NL110540C (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3280375A (en) * | 1963-01-17 | 1966-10-18 | Ite Circuit Breaker Ltd | Tripping device |
| AT258340B (en) * | 1963-05-31 | 1967-11-27 | Benno Palatini | Device for electrical heating of extensive coverings |
| AT251631B (en) * | 1963-09-16 | 1967-01-10 | Herbert Dipl Ing Pferschy | Device for heating floor surfaces |
| US3376477A (en) * | 1965-12-06 | 1968-04-02 | Hubbell Inc Harvey | Protective circuit |
| US3374398A (en) * | 1966-01-07 | 1968-03-19 | Sanders Associates Inc | Magnetic circuit protective device |
| AT259054B (en) * | 1966-01-25 | 1967-12-27 | Uninorm Anstalt | Residual current circuit breaker with additional overcurrent release |
| US3407337A (en) * | 1966-11-15 | 1968-10-22 | Purex Corp Ltd | Leak detector for swimming pool lights and the like |
| US3473091A (en) * | 1967-04-14 | 1969-10-14 | Hubbell Inc Harvey | Ground leakage differential protective apparatus |
| US3506906A (en) * | 1967-12-18 | 1970-04-14 | Rucker Co | Ground fault circuit interrupter with inadvertent ground sensor |
| US3753205A (en) * | 1971-06-07 | 1973-08-14 | Wiggins Inc E | Coupler device for tubing ends providing mechanical and electrical connections therewith |
| US3864581A (en) * | 1973-01-22 | 1975-02-04 | Varahur Srinivas Satyanarayana | Shock prevention device |
| FR2444359A1 (en) * | 1978-12-12 | 1980-07-11 | Barthelemy Louis | Power equipment circuit for electrocution protection - overcomes sensitivity problems by measuring imbalance between abnormal earth leakage currents, power input and power output currents |
| DE2912196C2 (en) * | 1979-03-28 | 1981-10-08 | Lueder, Holger, Dr. phil., 8990 Lindau | Device for homogeneous radiation air conditioning of a room enclosed on all sides, in particular a tepidarium |
| FR2454198A2 (en) * | 1979-04-09 | 1980-11-07 | Osmond Max | Enhanced sensitivity earth leakage cut=out - has toroidal transformer with differential line and neutral windings |
| US4707759A (en) * | 1985-02-27 | 1987-11-17 | Bodkin Lawrence E | Universal fault circuit interrupter |
| US20100109634A1 (en) * | 2006-05-12 | 2010-05-06 | Mahmoud Ajib | Description electro-ageeb electrical safety device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1667655A (en) * | 1924-10-03 | 1928-04-24 | Reyrolle A & Co Ltd | Controlling or tripping apparatus for alternating-current electric circuits |
| US1776130A (en) * | 1927-10-19 | 1930-09-16 | Gen Electric | Protection of electric circuits |
| GB350751A (en) * | 1930-07-01 | 1931-06-18 | Paul Berger | Improvements in protective cut-out devices for electrical installations |
| GB429503A (en) * | 1933-11-23 | 1935-05-23 | Reyrolle A & Co Ltd | Improvements in or relating to earthing arrangements for electric apparatus |
| FR900437A (en) * | 1942-11-20 | 1945-06-28 | Hermes Patentverwertungs Gmbh | Contact protection for electrical devices |
| GB648207A (en) * | 1948-12-16 | 1951-01-03 | British Insulated Callenders | Improvements in protective devices for electric circuits |
| DE1053639B (en) * | 1956-08-13 | 1959-03-26 | August Stuke | Circuit arrangement for the protection of electrical systems |
-
0
- NL NL256426D patent/NL256426A/xx unknown
- NL NL110540D patent/NL110540C/xx active
-
1959
- 1959-10-02 FR FR806618A patent/FR1246800A/en not_active Expired
-
1960
- 1960-09-21 BE BE595274A patent/BE595274A/en unknown
- 1960-09-26 US US58427A patent/US3214638A/en not_active Expired - Lifetime
- 1960-09-28 DE DEM46684A patent/DE1140634B/en active Pending
- 1960-09-29 GB GB33448/60A patent/GB962658A/en not_active Expired
- 1960-09-29 ES ES0261758A patent/ES261758A1/en not_active Expired
- 1960-09-30 CH CH1106660A patent/CH366588A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL110540C (en) | |
| GB962658A (en) | 1964-07-01 |
| BE595274A (en) | 1961-01-16 |
| ES261758A1 (en) | 1960-12-16 |
| CH366588A (en) | 1963-01-15 |
| US3214638A (en) | 1965-10-26 |
| FR1246800A (en) | 1960-11-25 |
| DE1140634B (en) | 1962-12-06 |